remove unused comments

170 files changed, 0 insertions, 285 deletions

diff --git a/core/src/xmake/base64/decode.c b/core/src/xmake/base64/decode.c
index 41555f5cc..cb1b7eb82 100644
--- a/core/src/xmake/base64/decode.c
+++ b/core/src/xmake/base64/decode.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_base64_decode(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the string
diff --git a/core/src/xmake/base64/encode.c b/core/src/xmake/base64/encode.c
index cf2135e56..d896cb55e 100644
--- a/core/src/xmake/base64/encode.c
+++ b/core/src/xmake/base64/encode.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_base64_encode(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get data and size
diff --git a/core/src/xmake/bloom_filter/bloom_filter_clear.c b/core/src/xmake/bloom_filter/bloom_filter_clear.c
index 3f6e36bd0..2657cc5dc 100644
--- a/core/src/xmake/bloom_filter/bloom_filter_clear.c
+++ b/core/src/xmake/bloom_filter/bloom_filter_clear.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_bloom_filter_clear(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/bloom_filter/bloom_filter_close.c b/core/src/xmake/bloom_filter/bloom_filter_close.c
index 5c916b460..59d3e59a1 100644
--- a/core/src/xmake/bloom_filter/bloom_filter_close.c
+++ b/core/src/xmake/bloom_filter/bloom_filter_close.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_bloom_filter_close(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/bloom_filter/bloom_filter_data.c b/core/src/xmake/bloom_filter/bloom_filter_data.c
index e37aea966..9d6f34e64 100644
--- a/core/src/xmake/bloom_filter/bloom_filter_data.c
+++ b/core/src/xmake/bloom_filter/bloom_filter_data.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_bloom_filter_data(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/bloom_filter/bloom_filter_data_set.c b/core/src/xmake/bloom_filter/bloom_filter_data_set.c
index a6949d730..984ec6562 100644
--- a/core/src/xmake/bloom_filter/bloom_filter_data_set.c
+++ b/core/src/xmake/bloom_filter/bloom_filter_data_set.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_bloom_filter_data_set(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/bloom_filter/bloom_filter_get.c b/core/src/xmake/bloom_filter/bloom_filter_get.c
index 755446a09..dd1f8d1e6 100644
--- a/core/src/xmake/bloom_filter/bloom_filter_get.c
+++ b/core/src/xmake/bloom_filter/bloom_filter_get.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_bloom_filter_get(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/bloom_filter/bloom_filter_open.c b/core/src/xmake/bloom_filter/bloom_filter_open.c
index 68af8ae92..be364be91 100644
--- a/core/src/xmake/bloom_filter/bloom_filter_open.c
+++ b/core/src/xmake/bloom_filter/bloom_filter_open.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_bloom_filter_open(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get arguments
diff --git a/core/src/xmake/bloom_filter/bloom_filter_set.c b/core/src/xmake/bloom_filter/bloom_filter_set.c
index 9387d5354..51d85d0a7 100644
--- a/core/src/xmake/bloom_filter/bloom_filter_set.c
+++ b/core/src/xmake/bloom_filter/bloom_filter_set.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_bloom_filter_set(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/bloom_filter/bloom_filter_size.c b/core/src/xmake/bloom_filter/bloom_filter_size.c
index 219035fe7..977b455f3 100644
--- a/core/src/xmake/bloom_filter/bloom_filter_size.c
+++ b/core/src/xmake/bloom_filter/bloom_filter_size.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_bloom_filter_size(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/engine.c b/core/src/xmake/engine.c
index a65395423..7a07d72da 100644
--- a/core/src/xmake/engine.c
+++ b/core/src/xmake/engine.c
@@ -705,7 +705,6 @@ static tb_byte_t g_xmake_xmz_data[] = {
  * private implementation
  */
 static tb_bool_t xm_engine_save_arguments(xm_engine_t *engine, tb_int_t argc, tb_char_t **argv, tb_char_t **taskargv) {
-    // check
     tb_assert_and_check_return_val(engine && engine->lua && argc >= 1 && argv, tb_false);
 
 #if defined(TB_CONFIG_OS_WINDOWS) && !defined(TB_COMPILER_LIKE_UNIX)
@@ -745,7 +744,6 @@ static tb_bool_t xm_engine_save_arguments(xm_engine_t *engine, tb_int_t argc, tb
 }
 
 static tb_bool_t xm_engine_get_program_file(xm_engine_t *engine, tb_char_t **argv, tb_char_t *path, tb_size_t maxn) {
-    // check
     tb_assert_and_check_return_val(engine && path && maxn, tb_false);
 
     /* we cache it, because the current path will be changed in thread.
@@ -774,13 +772,11 @@ static tb_bool_t xm_engine_get_program_file(xm_engine_t *engine, tb_char_t **arg
         tb_wchar_t buf[TB_PATH_MAXN] = { 0 };
         tb_size_t  size              = (tb_size_t)GetModuleFileNameW(tb_null, buf, (DWORD)TB_PATH_MAXN);
         tb_assert_and_check_break(size < TB_PATH_MAXN);
-        // end
         buf[size] = L'\0';
         size      = tb_wcstombs(path, buf, maxn);
         tb_assert_and_check_break(size < maxn);
         path[size] = '\0';
 
-        // ok
         ok = tb_true;
 
 #elif defined(TB_CONFIG_OS_MACOSX) || defined(TB_CONFIG_OS_IOS)
@@ -855,9 +851,7 @@ static tb_bool_t xm_engine_get_program_file(xm_engine_t *engine, tb_char_t **arg
 
     } while (0);
 
-    // ok?
     if (ok) {
-        // trace
         tb_trace_d("programfile: %s", path);
 
         // cache it
@@ -894,7 +888,6 @@ static tb_bool_t xm_engine_get_program_directory(xm_engine_t     *engine,
                                                  tb_char_t       *path,
                                                  tb_size_t        maxn,
                                                  tb_char_t const *programfile) {
-    // check
     tb_assert_and_check_return_val(engine && path && maxn, tb_false);
 
     static tb_char_t s_program_directory[TB_PATH_MAXN] = { 0 };
@@ -980,9 +973,7 @@ static tb_bool_t xm_engine_get_program_directory(xm_engine_t     *engine,
 
     } while (0);
 
-    // ok?
     if (ok) {
-        // trace
         tb_trace_d("programdir: %s", path);
 
         // cache it
@@ -993,12 +984,10 @@ static tb_bool_t xm_engine_get_program_directory(xm_engine_t     *engine,
         lua_setglobal(engine->lua, "_PROGRAM_DIR");
     }
 
-    // ok?
     return ok;
 }
 
 static tb_bool_t xm_engine_get_project_directory(xm_engine_t *engine, tb_char_t *path, tb_size_t maxn) {
-    // check
     tb_assert_and_check_return_val(engine && path && maxn, tb_false);
 
     tb_bool_t ok = tb_false;
@@ -1011,14 +1000,12 @@ static tb_bool_t xm_engine_get_project_directory(xm_engine_t *engine, tb_char_t
                 break;
         }
 
-        // trace
         tb_trace_d("project: %s", path);
 
         // save the directory to the global variable: _PROJECT_DIR
         lua_pushstring(engine->lua, path);
         lua_setglobal(engine->lua, "_PROJECT_DIR");
 
-        // ok
         ok = tb_true;
 
     } while (0);
@@ -1027,7 +1014,6 @@ static tb_bool_t xm_engine_get_project_directory(xm_engine_t *engine, tb_char_t
     if (!ok)
         tb_printf("error: not found the project directory!\n");
 
-    // ok?
     return ok;
 }
 
@@ -1061,7 +1047,6 @@ static tb_void_t xm_engine_signal_handler(tb_int_t signo) {
 #endif
 
 static tb_void_t xm_engine_init_host(xm_engine_t *engine) {
-    // check
     tb_assert_and_check_return(engine && engine->lua);
 
     // init system host
@@ -1146,7 +1131,6 @@ static __tb_inline__ tb_char_t const *xm_engine_xmake_arch() {
 }
 
 static tb_void_t xm_engine_init_arch(xm_engine_t *engine) {
-    // check
     tb_assert_and_check_return(engine && engine->lua);
 
     // init xmake arch
@@ -1225,7 +1209,6 @@ static tb_void_t xm_engine_init_arch(xm_engine_t *engine) {
 }
 
 static tb_void_t xm_engine_init_features(xm_engine_t *engine) {
-    // check
     tb_assert_and_check_return(engine && engine->lua);
 
     // init features
@@ -1660,7 +1643,6 @@ xm_engine_ref_t xm_engine_init(tb_char_t const *name, xm_engine_lni_initalizer_c
     return (xm_engine_ref_t)engine;
 }
 tb_void_t xm_engine_exit(xm_engine_ref_t self) {
-    // check
     xm_engine_t *engine = (xm_engine_t *)self;
     tb_assert_and_check_return(engine);
 
@@ -1678,7 +1660,6 @@ tb_void_t xm_engine_exit(xm_engine_ref_t self) {
     tb_free(engine);
 }
 tb_int_t xm_engine_main(xm_engine_ref_t self, tb_int_t argc, tb_char_t **argv, tb_char_t **taskargv) {
-    // check
     xm_engine_t *engine = (xm_engine_t *)self;
     tb_assert_and_check_return_val(engine && engine->lua, -1);
 
@@ -1719,7 +1700,6 @@ tb_int_t xm_engine_main(xm_engine_ref_t self, tb_int_t argc, tb_char_t **argv, t
         return -1;
     }
 
-    // trace
     tb_trace_d("main: %s", path);
 
     // load and execute the main script
@@ -1741,7 +1721,6 @@ tb_int_t xm_engine_main(xm_engine_ref_t self, tb_int_t argc, tb_char_t **argv, t
     return (tb_int_t)lua_tonumber(engine->lua, -1);
 }
 tb_void_t xm_engine_register(xm_engine_ref_t self, tb_char_t const *module, luaL_Reg const funcs[]) {
-    // check
     xm_engine_t *engine = (xm_engine_t *)self;
     tb_assert_and_check_return(engine && engine->lua && module && funcs);
 
@@ -1753,7 +1732,6 @@ tb_void_t xm_engine_register(xm_engine_ref_t self, tb_char_t const *module, luaL
 }
 #ifdef XM_EMBED_ENABLE
 tb_void_t xm_engine_add_embedfiles(xm_engine_ref_t self, tb_byte_t const *data, tb_size_t size) {
-    // check
     xm_engine_t *engine = (xm_engine_t *)self;
     tb_assert_and_check_return(engine && engine->embedcount < tb_arrayn(engine->embedsize) && data && size);
 
@@ -1763,14 +1741,12 @@ tb_void_t xm_engine_add_embedfiles(xm_engine_ref_t self, tb_byte_t const *data,
 }
 #endif
 lua_State *xm_engine_lua(xm_engine_ref_t self) {
-    // check
     xm_engine_t *engine = (xm_engine_t *)self;
     tb_assert_and_check_return_val(engine, tb_null);
 
     return engine->lua;
 }
 tb_poller_ref_t xm_engine_poller(xm_engine_ref_t self) {
-    // check
     xm_engine_t *engine = (xm_engine_t *)self;
     tb_assert_and_check_return_val(engine, tb_null);
 
diff --git a/core/src/xmake/fwatcher/add.c b/core/src/xmake/fwatcher/add.c
index cda233104..77c23ea48 100644
--- a/core/src/xmake/fwatcher/add.c
+++ b/core/src/xmake/fwatcher/add.c
@@ -36,7 +36,6 @@
 
 // fwatcher.add(watchdir, recursion)
 tb_int_t xm_fwatcher_add(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/fwatcher/close.c b/core/src/xmake/fwatcher/close.c
index 8f6a680be..a5501d906 100644
--- a/core/src/xmake/fwatcher/close.c
+++ b/core/src/xmake/fwatcher/close.c
@@ -36,7 +36,6 @@
 
 // fwatcher.close(p)
 tb_int_t xm_fwatcher_close(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/fwatcher/open.c b/core/src/xmake/fwatcher/open.c
index 05173660e..13ab91d5a 100644
--- a/core/src/xmake/fwatcher/open.c
+++ b/core/src/xmake/fwatcher/open.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_fwatcher_open(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // init fwatcher
diff --git a/core/src/xmake/fwatcher/remove.c b/core/src/xmake/fwatcher/remove.c
index d7ef4d289..6285b0649 100644
--- a/core/src/xmake/fwatcher/remove.c
+++ b/core/src/xmake/fwatcher/remove.c
@@ -36,7 +36,6 @@
 
 // fwatcher.remove(watchdir)
 tb_int_t xm_fwatcher_remove(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/fwatcher/wait.c b/core/src/xmake/fwatcher/wait.c
index d4e64347f..42b01b8aa 100644
--- a/core/src/xmake/fwatcher/wait.c
+++ b/core/src/xmake/fwatcher/wait.c
@@ -36,7 +36,6 @@
 
 // fwatcher.wait(p)
 tb_int_t xm_fwatcher_wait(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/hash/md5.c b/core/src/xmake/hash/md5.c
index 91f7eafc9..3c871b063 100644
--- a/core/src/xmake/hash/md5.c
+++ b/core/src/xmake/hash/md5.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_hash_md5(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is bytes? get data and size
@@ -81,7 +80,6 @@ tb_int_t xm_hash_md5(lua_State *lua) {
                 // read data
                 tb_long_t real = tb_stream_read(stream, data, sizeof(data));
 
-                // ok?
                 if (real > 0)
                     tb_md5_spak(&md5, data, real);
                 // no data? continue it
diff --git a/core/src/xmake/hash/rand128.c b/core/src/xmake/hash/rand128.c
index bb844aee9..625e75326 100644
--- a/core/src/xmake/hash/rand128.c
+++ b/core/src/xmake/hash/rand128.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_hash_rand128(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     static union {
diff --git a/core/src/xmake/hash/rand32.c b/core/src/xmake/hash/rand32.c
index a8a2dc054..844dd83e7 100644
--- a/core/src/xmake/hash/rand32.c
+++ b/core/src/xmake/hash/rand32.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_hash_rand32(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     static tb_uint64_t s_seed = 0;
diff --git a/core/src/xmake/hash/rand64.c b/core/src/xmake/hash/rand64.c
index 05b861327..0f9e39069 100644
--- a/core/src/xmake/hash/rand64.c
+++ b/core/src/xmake/hash/rand64.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_hash_rand64(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     static union {
diff --git a/core/src/xmake/hash/sha.c b/core/src/xmake/hash/sha.c
index 12d98b860..158a09208 100644
--- a/core/src/xmake/hash/sha.c
+++ b/core/src/xmake/hash/sha.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_hash_sha(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get mode
@@ -88,7 +87,6 @@ tb_int_t xm_hash_sha(lua_State *lua) {
                 // read data
                 tb_long_t real = tb_stream_read(stream, data, sizeof(data));
 
-                // ok?
                 if (real > 0)
                     tb_sha_spak(&sha, data, real);
                 // no data? continue it
diff --git a/core/src/xmake/hash/uuid4.c b/core/src/xmake/hash/uuid4.c
index d99e849d8..8712e9efa 100644
--- a/core/src/xmake/hash/uuid4.c
+++ b/core/src/xmake/hash/uuid4.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_hash_uuid4(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the name
diff --git a/core/src/xmake/hash/xxhash.c b/core/src/xmake/hash/xxhash.c
index 49e1199e8..7a55ce63d 100644
--- a/core/src/xmake/hash/xxhash.c
+++ b/core/src/xmake/hash/xxhash.c
@@ -38,7 +38,6 @@
  * implementation
  */
 tb_int_t xm_hash_xxhash(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get mode
@@ -115,7 +114,6 @@ tb_int_t xm_hash_xxhash(lua_State *lua) {
                 // read data
                 tb_long_t real = tb_stream_read(stream, data, sizeof(data));
 
-                // ok?
                 if (real > 0) {
                     if (mode == 32 || mode == 64)
                         XM_XXH3_64bits_update(state, data, real);
diff --git a/core/src/xmake/io/file_close.c b/core/src/xmake/io/file_close.c
index e00946dd0..6547b8156 100644
--- a/core/src/xmake/io/file_close.c
+++ b/core/src/xmake/io/file_close.c
@@ -36,7 +36,6 @@
 
 // io.file_close(file)
 tb_int_t xm_io_file_close(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is user data?
@@ -49,7 +48,6 @@ tb_int_t xm_io_file_close(lua_State *lua) {
 
     // close file
     if (xm_io_file_is_file(file)) {
-        // check
         tb_assert(file->u.file_ref);
 
 #ifdef TB_CONFIG_OS_WINDOWS
@@ -90,7 +88,6 @@ tb_int_t xm_io_file_close(lua_State *lua) {
         // gc will free it if no any refs for lua_newuserdata()
         // ...
 
-        // ok
         lua_pushboolean(lua, tb_true);
         return 1;
     } else // for stdfile (gc/close)
@@ -102,7 +99,6 @@ tb_int_t xm_io_file_close(lua_State *lua) {
         // gc will free it if no any refs for lua_newuserdata()
         // ...
 
-        // ok
         lua_pushboolean(lua, tb_true);
         return 1;
     }
diff --git a/core/src/xmake/io/file_flush.c b/core/src/xmake/io/file_flush.c
index 5aa3e9f58..e5776a60e 100644
--- a/core/src/xmake/io/file_flush.c
+++ b/core/src/xmake/io/file_flush.c
@@ -39,7 +39,6 @@ static tb_bool_t xm_io_std_flush_impl(xm_io_file_t *file) {
 }
 
 static tb_bool_t xm_io_file_flush_impl(xm_io_file_t *file) {
-    // check
     tb_assert_and_check_return_val(xm_io_file_is_file(file), tb_false);
 
 #ifdef TB_CONFIG_OS_WINDOWS
@@ -61,7 +60,6 @@ static tb_bool_t xm_io_file_flush_impl(xm_io_file_t *file) {
 
 // io.file_flush(file)
 tb_int_t xm_io_file_flush(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is user data?
diff --git a/core/src/xmake/io/file_isatty.c b/core/src/xmake/io/file_isatty.c
index 645431398..264cabd53 100644
--- a/core/src/xmake/io/file_isatty.c
+++ b/core/src/xmake/io/file_isatty.c
@@ -36,7 +36,6 @@
 
 // io.file_isatty(file)
 tb_int_t xm_io_file_isatty(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is user data?
diff --git a/core/src/xmake/io/file_open.c b/core/src/xmake/io/file_open.c
index 56c0848fd..f4a080077 100644
--- a/core/src/xmake/io/file_open.c
+++ b/core/src/xmake/io/file_open.c
@@ -44,7 +44,6 @@
  * private implementation
  */
 static tb_size_t xm_io_file_detect_charset(tb_byte_t const **data_ptr, tb_long_t size) {
-    // check
     tb_assert(data_ptr && *data_ptr);
 
     tb_byte_t const *data    = *data_ptr;
@@ -142,7 +141,6 @@ static tb_size_t xm_io_file_detect_charset(tb_byte_t const **data_ptr, tb_long_t
     return charset;
 }
 static tb_size_t xm_io_file_detect_encoding(tb_stream_ref_t stream, tb_long_t *pbomoff) {
-    // check
     tb_assert_and_check_return_val(stream && pbomoff, XM_IO_FILE_ENCODING_BINARY);
 
     // detect encoding
@@ -163,7 +161,6 @@ static tb_size_t xm_io_file_detect_encoding(tb_stream_ref_t stream, tb_long_t *p
 
 // io.file_open(path, modestr)
 tb_int_t xm_io_file_open(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get file path and mode
@@ -261,7 +258,6 @@ tb_int_t xm_io_file_open(lua_State *lua) {
         if (bomoff > 0 && !tb_stream_seek(stream, bomoff))
             break;
 
-        // ok
         open_ok = tb_true;
 
     } while (0);
diff --git a/core/src/xmake/io/file_rawfd.c b/core/src/xmake/io/file_rawfd.c
index f4dc3ffee..c94dc4a98 100644
--- a/core/src/xmake/io/file_rawfd.c
+++ b/core/src/xmake/io/file_rawfd.c
@@ -52,7 +52,6 @@
  * e.g. set VS_UNICODE_OUTPUT=fd to enable vs unicode output, @see https://github.com/xmake-io/xmake/issues/528
  */
 tb_int_t xm_io_file_rawfd(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is user data?
diff --git a/core/src/xmake/io/file_read.c b/core/src/xmake/io/file_read.c
index 2f349edb5..2be05a05a 100644
--- a/core/src/xmake/io/file_read.c
+++ b/core/src/xmake/io/file_read.c
@@ -44,7 +44,6 @@ typedef enum __xm_pushline_state_e {
  * implementation
  */
 static tb_long_t xm_io_file_buffer_readline(tb_stream_ref_t stream, tb_buffer_ref_t line) {
-    // check
     tb_assert_and_check_return_val(stream && line, -1);
 
     // read line and reserve crlf
@@ -79,7 +78,6 @@ static tb_long_t xm_io_file_buffer_readline(tb_stream_ref_t stream, tb_buffer_re
         }
     }
 
-    // ok?
     tb_size_t linesize = tb_buffer_size(line);
     if (linesize)
         return linesize;
@@ -90,7 +88,6 @@ static tb_int_t xm_io_file_buffer_pushline(tb_buffer_ref_t  buf,
                                            xm_io_file_t    *file,
                                            tb_char_t const *continuation,
                                            tb_bool_t        keep_crlf) {
-    // check
     tb_assert(buf && file && continuation && xm_io_file_is_file(file) && file->u.file_ref);
 
     // is binary?
@@ -166,7 +163,6 @@ static tb_int_t xm_io_file_buffer_pushline(tb_buffer_ref_t  buf,
     return result;
 }
 static tb_int_t xm_io_file_read_all_directly(lua_State *lua, xm_io_file_t *file) {
-    // check
     tb_assert(lua && file && xm_io_file_is_file(file) && file->u.file_ref);
 
     // init buffer
@@ -201,7 +197,6 @@ static tb_int_t xm_io_file_read_all_directly(lua_State *lua, xm_io_file_t *file)
     return 1;
 }
 static tb_int_t xm_io_file_read_all(lua_State *lua, xm_io_file_t *file, tb_char_t const *continuation) {
-    // check
     tb_assert(lua && file && continuation && xm_io_file_is_file(file) && file->u.file_ref);
 
     // is binary? read all directly
@@ -242,7 +237,6 @@ static tb_int_t xm_io_file_read_line(lua_State       *lua,
                                      xm_io_file_t    *file,
                                      tb_char_t const *continuation,
                                      tb_bool_t        keep_crlf) {
-    // check
     tb_assert(lua && file && continuation && xm_io_file_is_file(file) && file->u.file_ref);
 
     // init buffer
@@ -278,7 +272,6 @@ static tb_int_t xm_io_file_read_line(lua_State       *lua,
 }
 
 static tb_int_t xm_io_file_read_n(lua_State *lua, xm_io_file_t *file, tb_char_t const *continuation, tb_long_t n) {
-    // check
     tb_assert(lua && file && continuation && xm_io_file_is_file(file) && file->u.file_ref);
 
     // check continuation
@@ -314,7 +307,6 @@ static tb_size_t xm_io_file_std_buffer_pushline(tb_buffer_ref_t  buf,
                                                 xm_io_file_t    *file,
                                                 tb_char_t const *continuation,
                                                 tb_bool_t        keep_crlf) {
-    // check
     tb_assert(buf && file && continuation && xm_io_file_is_std(file));
 
     // get input buffer
@@ -367,7 +359,6 @@ static tb_int_t xm_io_file_std_read_line(lua_State       *lua,
                                          xm_io_file_t    *file,
                                          tb_char_t const *continuation,
                                          tb_bool_t        keep_crlf) {
-    // check
     tb_assert(lua && file && continuation && xm_io_file_is_std(file));
 
     // init buffer
@@ -403,7 +394,6 @@ static tb_int_t xm_io_file_std_read_line(lua_State       *lua,
 }
 
 static tb_int_t xm_io_file_std_read_all(lua_State *lua, xm_io_file_t *file, tb_char_t const *continuation) {
-    // check
     tb_assert(lua && file && continuation && xm_io_file_is_std(file));
 
     // init buffer
@@ -436,7 +426,6 @@ static tb_int_t xm_io_file_std_read_all(lua_State *lua, xm_io_file_t *file, tb_c
 }
 
 static tb_int_t xm_io_file_std_read_n(lua_State *lua, xm_io_file_t *file, tb_char_t const *continuation, tb_long_t n) {
-    // check
     tb_assert(lua && file && continuation && xm_io_file_is_std(file));
 
     // check continuation
@@ -466,7 +455,6 @@ static tb_int_t xm_io_file_std_read_n(lua_State *lua, xm_io_file_t *file, tb_cha
 }
 
 static tb_int_t xm_io_file_std_read_num(lua_State *lua, xm_io_file_t *file, tb_char_t const *continuation) {
-    // check
     tb_assert(lua && file && continuation && xm_io_file_is_std(file));
 
     // check continuation
@@ -490,7 +478,6 @@ static tb_int_t xm_io_file_std_read_num(lua_State *lua, xm_io_file_t *file, tb_c
  * io.file_read(file, 10)
  */
 tb_int_t xm_io_file_read(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is user data?
diff --git a/core/src/xmake/io/file_readable.c b/core/src/xmake/io/file_readable.c
index e3cca2dc9..5f9a84329 100644
--- a/core/src/xmake/io/file_readable.c
+++ b/core/src/xmake/io/file_readable.c
@@ -35,7 +35,6 @@
  */
 
 tb_int_t xm_io_file_readable(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is user data?
diff --git a/core/src/xmake/io/file_seek.c b/core/src/xmake/io/file_seek.c
index ea053302b..421e5cdf1 100644
--- a/core/src/xmake/io/file_seek.c
+++ b/core/src/xmake/io/file_seek.c
@@ -36,7 +36,6 @@
 
 // io.file_seek(file, [whence [, offset]])
 tb_int_t xm_io_file_seek(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is user data?
diff --git a/core/src/xmake/io/file_size.c b/core/src/xmake/io/file_size.c
index df83a96b9..34f519306 100644
--- a/core/src/xmake/io/file_size.c
+++ b/core/src/xmake/io/file_size.c
@@ -36,7 +36,6 @@
 
 // io.file_size(file)
 tb_int_t xm_io_file_size(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is user data?
diff --git a/core/src/xmake/io/file_write.c b/core/src/xmake/io/file_write.c
index bfe7321f3..5f70e1a49 100644
--- a/core/src/xmake/io/file_write.c
+++ b/core/src/xmake/io/file_write.c
@@ -34,7 +34,6 @@
  * private implementation
  */
 static tb_void_t xm_io_file_write_file_utfbom(xm_io_file_t *file) {
-    // check
     tb_assert(file && xm_io_file_is_file(file) && file->u.file_ref);
 
     // write bom
@@ -60,7 +59,6 @@ static tb_void_t xm_io_file_write_file_directly(xm_io_file_t *file, tb_byte_t co
     tb_stream_bwrit(file->u.file_ref, data, size);
 }
 static tb_void_t xm_io_file_write_file_transcrlf(xm_io_file_t *file, tb_byte_t const *data, tb_size_t size) {
-    // check
     tb_assert(file && data && xm_io_file_is_file(file) && file->u.file_ref);
 
 #ifdef TB_CONFIG_OS_WINDOWS
@@ -105,7 +103,6 @@ static tb_void_t xm_io_file_write_file_transcrlf(xm_io_file_t *file, tb_byte_t c
 #endif
 }
 static tb_void_t xm_io_file_write_std(xm_io_file_t *file, tb_byte_t const *data, tb_size_t size) {
-    // check
     tb_assert(file && data && xm_io_file_is_std(file));
 
     // check type
@@ -122,7 +119,6 @@ static tb_void_t xm_io_file_write_std(xm_io_file_t *file, tb_byte_t const *data,
 
 // io.file_write(file, ...)
 tb_int_t xm_io_file_write(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is user data?
diff --git a/core/src/xmake/io/filelock_close.c b/core/src/xmake/io/filelock_close.c
index ad628cb5c..02a2fb039 100644
--- a/core/src/xmake/io/filelock_close.c
+++ b/core/src/xmake/io/filelock_close.c
@@ -36,7 +36,6 @@
 
 // io.filelock_close(lock)
 tb_int_t xm_io_filelock_close(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check lock?
@@ -53,6 +52,5 @@ tb_int_t xm_io_filelock_close(lua_State *lua) {
     // save result: ok
     lua_pushboolean(lua, tb_true);
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/io/filelock_lock.c b/core/src/xmake/io/filelock_lock.c
index 109bb6dcd..9e0c2493e 100644
--- a/core/src/xmake/io/filelock_lock.c
+++ b/core/src/xmake/io/filelock_lock.c
@@ -40,7 +40,6 @@
  * shared lock:     io.filelock_lock(lock, "/xxxx/filelock", {shared = true})
  */
 tb_int_t xm_io_filelock_lock(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get option argument
diff --git a/core/src/xmake/io/filelock_open.c b/core/src/xmake/io/filelock_open.c
index 171c6c86a..e9687ba54 100644
--- a/core/src/xmake/io/filelock_open.c
+++ b/core/src/xmake/io/filelock_open.c
@@ -38,7 +38,6 @@
  * io.filelock_open(path)
  */
 tb_int_t xm_io_filelock_open(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get file path
diff --git a/core/src/xmake/io/filelock_trylock.c b/core/src/xmake/io/filelock_trylock.c
index d1a204d30..aaf1da246 100644
--- a/core/src/xmake/io/filelock_trylock.c
+++ b/core/src/xmake/io/filelock_trylock.c
@@ -40,7 +40,6 @@
  * shared lock:     io.filelock_trylock("/xxxx/filelock", {shared = true})
  */
 tb_int_t xm_io_filelock_trylock(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get option argument
diff --git a/core/src/xmake/io/filelock_unlock.c b/core/src/xmake/io/filelock_unlock.c
index 0eaa2bc98..94dfe1b7d 100644
--- a/core/src/xmake/io/filelock_unlock.c
+++ b/core/src/xmake/io/filelock_unlock.c
@@ -36,7 +36,6 @@
 
 // io.filelock_unlock(lock)
 tb_int_t xm_io_filelock_unlock(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check lock?
diff --git a/core/src/xmake/io/pipe_close.c b/core/src/xmake/io/pipe_close.c
index a3adb6d8c..23e200606 100644
--- a/core/src/xmake/io/pipe_close.c
+++ b/core/src/xmake/io/pipe_close.c
@@ -36,7 +36,6 @@
 
 // io.pipe_close(pipe)
 tb_int_t xm_io_pipe_close(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check pipe?
diff --git a/core/src/xmake/io/pipe_connect.c b/core/src/xmake/io/pipe_connect.c
index 985817386..f13f612f9 100644
--- a/core/src/xmake/io/pipe_connect.c
+++ b/core/src/xmake/io/pipe_connect.c
@@ -36,7 +36,6 @@
 
 // io.pipe_connect(pipefile)
 tb_int_t xm_io_pipe_connect(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check pipe
diff --git a/core/src/xmake/io/pipe_open.c b/core/src/xmake/io/pipe_open.c
index d0dbe66e9..d82406dee 100644
--- a/core/src/xmake/io/pipe_open.c
+++ b/core/src/xmake/io/pipe_open.c
@@ -38,7 +38,6 @@
  * io.pipe_open(name, mode, buffsize)
  */
 tb_int_t xm_io_pipe_open(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get pipe name and mode
diff --git a/core/src/xmake/io/pipe_openpair.c b/core/src/xmake/io/pipe_openpair.c
index c95d13a62..dd2205613 100644
--- a/core/src/xmake/io/pipe_openpair.c
+++ b/core/src/xmake/io/pipe_openpair.c
@@ -38,7 +38,6 @@
  * io.pipe_openpair(mode, buffsize)
  */
 tb_int_t xm_io_pipe_openpair(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get pipe mode
diff --git a/core/src/xmake/io/pipe_read.c b/core/src/xmake/io/pipe_read.c
index fb82c1ebd..637fb3b7d 100644
--- a/core/src/xmake/io/pipe_read.c
+++ b/core/src/xmake/io/pipe_read.c
@@ -36,7 +36,6 @@
 
 // real, data_or_errors = io.pipe_read(pipefile, size)
 tb_int_t xm_io_pipe_read(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check pipe file
diff --git a/core/src/xmake/io/pipe_wait.c b/core/src/xmake/io/pipe_wait.c
index 67d189892..785efe950 100644
--- a/core/src/xmake/io/pipe_wait.c
+++ b/core/src/xmake/io/pipe_wait.c
@@ -36,7 +36,6 @@
 
 // io.pipe_wait(pipefile, events, timeout)
 tb_int_t xm_io_pipe_wait(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check pipe?
diff --git a/core/src/xmake/io/pipe_write.c b/core/src/xmake/io/pipe_write.c
index 9b0869299..2f2865c47 100644
--- a/core/src/xmake/io/pipe_write.c
+++ b/core/src/xmake/io/pipe_write.c
@@ -36,7 +36,6 @@
 
 // io.pipe_write(pipefile, data, start, last)
 tb_int_t xm_io_pipe_write(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check pipe
diff --git a/core/src/xmake/io/poller_insert.c b/core/src/xmake/io/poller_insert.c
index 2b24b3b1e..81f66cce9 100644
--- a/core/src/xmake/io/poller_insert.c
+++ b/core/src/xmake/io/poller_insert.c
@@ -37,7 +37,6 @@
 
 // io.poller_insert(obj:otype(), obj:cdata(), events)
 tb_int_t xm_io_poller_insert(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/io/poller_modify.c b/core/src/xmake/io/poller_modify.c
index 77dff2fbf..f9283aecb 100644
--- a/core/src/xmake/io/poller_modify.c
+++ b/core/src/xmake/io/poller_modify.c
@@ -37,7 +37,6 @@
 
 // io.poller_modify(obj:otype(), obj:cdata(), events)
 tb_int_t xm_io_poller_modify(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/io/poller_remove.c b/core/src/xmake/io/poller_remove.c
index 34242808f..3127bf2b4 100644
--- a/core/src/xmake/io/poller_remove.c
+++ b/core/src/xmake/io/poller_remove.c
@@ -37,7 +37,6 @@
 
 // io.poller_remove(obj:otype(), obj)
 tb_int_t xm_io_poller_remove(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/io/poller_spank.c b/core/src/xmake/io/poller_spank.c
index 1656a537e..7fdb38605 100644
--- a/core/src/xmake/io/poller_spank.c
+++ b/core/src/xmake/io/poller_spank.c
@@ -37,7 +37,6 @@
 
 // io.poller_spank()
 tb_int_t xm_io_poller_spank(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // spank the poller, break the tb_poller_wait() and return all events
diff --git a/core/src/xmake/io/poller_support.c b/core/src/xmake/io/poller_support.c
index d53cdc1ed..d63f8da34 100644
--- a/core/src/xmake/io/poller_support.c
+++ b/core/src/xmake/io/poller_support.c
@@ -37,7 +37,6 @@
 
 // io.poller_support(events)
 tb_int_t xm_io_poller_support(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get events
diff --git a/core/src/xmake/io/poller_wait.c b/core/src/xmake/io/poller_wait.c
index 141c4640b..f1e4ed7a7 100644
--- a/core/src/xmake/io/poller_wait.c
+++ b/core/src/xmake/io/poller_wait.c
@@ -38,7 +38,6 @@ static tb_void_t xm_io_poller_event(tb_poller_ref_t        poller,
                                     tb_poller_object_ref_t object,
                                     tb_long_t              events,
                                     tb_cpointer_t          priv) {
-    // check
     xm_poller_state_t *state = (xm_poller_state_t *)tb_poller_priv(poller);
     tb_assert_and_check_return(state && state->lua);
 
@@ -76,7 +75,6 @@ static tb_void_t xm_io_poller_event(tb_poller_ref_t        poller,
 
 // local events, count = io.poller_wait(timeout)
 tb_int_t xm_io_poller_wait(lua_State *lua) {
-    // check
     tb_poller_ref_t poller = xm_io_poller(lua);
     tb_assert_and_check_return_val(poller && lua, 0);
 
@@ -101,7 +99,6 @@ tb_int_t xm_io_poller_wait(lua_State *lua) {
         return 2;
     }
 
-    // failed
     lua_pop(lua, 1);
     lua_pushnil(lua);
     lua_pushinteger(lua, -1);
diff --git a/core/src/xmake/io/socket_accept.c b/core/src/xmake/io/socket_accept.c
index 5a303ef74..77a6c6c86 100644
--- a/core/src/xmake/io/socket_accept.c
+++ b/core/src/xmake/io/socket_accept.c
@@ -36,7 +36,6 @@
 
 // local sock = io.socket_accept(sock)
 tb_int_t xm_io_socket_accept(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/io/socket_bind.c b/core/src/xmake/io/socket_bind.c
index 9ba441a6f..d1a30789a 100644
--- a/core/src/xmake/io/socket_bind.c
+++ b/core/src/xmake/io/socket_bind.c
@@ -36,7 +36,6 @@
 
 // io.socket_bind(sock, addr, port, family)
 tb_int_t xm_io_socket_bind(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check socket
diff --git a/core/src/xmake/io/socket_close.c b/core/src/xmake/io/socket_close.c
index d53228fe7..922987c10 100644
--- a/core/src/xmake/io/socket_close.c
+++ b/core/src/xmake/io/socket_close.c
@@ -36,7 +36,6 @@
 
 // io.socket_close(sock)
 tb_int_t xm_io_socket_close(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/io/socket_connect.c b/core/src/xmake/io/socket_connect.c
index 63d355fb4..94c2f1e8d 100644
--- a/core/src/xmake/io/socket_connect.c
+++ b/core/src/xmake/io/socket_connect.c
@@ -36,7 +36,6 @@
 
 // io.socket_connect(sock, addr, port, family)
 tb_int_t xm_io_socket_connect(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check socket
diff --git a/core/src/xmake/io/socket_ctrl.c b/core/src/xmake/io/socket_ctrl.c
index c16f2c20d..0a51d65bc 100644
--- a/core/src/xmake/io/socket_ctrl.c
+++ b/core/src/xmake/io/socket_ctrl.c
@@ -36,7 +36,6 @@
 
 // io.socket_ctrl(sock, code, value)
 tb_int_t xm_io_socket_ctrl(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check socket
diff --git a/core/src/xmake/io/socket_kill.c b/core/src/xmake/io/socket_kill.c
index eb2956e53..63e110257 100644
--- a/core/src/xmake/io/socket_kill.c
+++ b/core/src/xmake/io/socket_kill.c
@@ -36,7 +36,6 @@
 
 // local sock = io.socket_kill(sock)
 tb_int_t xm_io_socket_kill(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/io/socket_listen.c b/core/src/xmake/io/socket_listen.c
index 6fece6087..3aa541016 100644
--- a/core/src/xmake/io/socket_listen.c
+++ b/core/src/xmake/io/socket_listen.c
@@ -36,7 +36,6 @@
 
 // io.socket_listen(sock, backlog)
 tb_int_t xm_io_socket_listen(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/io/socket_open.c b/core/src/xmake/io/socket_open.c
index 4189607c7..cae80d182 100644
--- a/core/src/xmake/io/socket_open.c
+++ b/core/src/xmake/io/socket_open.c
@@ -38,7 +38,6 @@
  * io.socket_open(socktype, family)
  */
 tb_int_t xm_io_socket_open(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get socket type
diff --git a/core/src/xmake/io/socket_peeraddr.c b/core/src/xmake/io/socket_peeraddr.c
index bcc03c289..e1ad43931 100644
--- a/core/src/xmake/io/socket_peeraddr.c
+++ b/core/src/xmake/io/socket_peeraddr.c
@@ -44,7 +44,6 @@
 /* io.socket_peeraddr(sock)
  */
 tb_int_t xm_io_socket_peeraddr(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/io/socket_rawfd.c b/core/src/xmake/io/socket_rawfd.c
index 672a9dafa..6340c0c19 100644
--- a/core/src/xmake/io/socket_rawfd.c
+++ b/core/src/xmake/io/socket_rawfd.c
@@ -44,7 +44,6 @@
 /* io.socket_rawfd(sock)
  */
 tb_int_t xm_io_socket_rawfd(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/io/socket_recv.c b/core/src/xmake/io/socket_recv.c
index cecdbb031..ed629a8f5 100644
--- a/core/src/xmake/io/socket_recv.c
+++ b/core/src/xmake/io/socket_recv.c
@@ -36,7 +36,6 @@
 
 // real, data_or_errors = io.socket_recv(sock, size)
 tb_int_t xm_io_socket_recv(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check socket
diff --git a/core/src/xmake/io/socket_recvfrom.c b/core/src/xmake/io/socket_recvfrom.c
index bc8f53bf8..8601f6302 100644
--- a/core/src/xmake/io/socket_recvfrom.c
+++ b/core/src/xmake/io/socket_recvfrom.c
@@ -36,7 +36,6 @@
 
 // real, data_or_errors, addr, port = io.socket_recvfrom(sock, size)
 tb_int_t xm_io_socket_recvfrom(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check socket
diff --git a/core/src/xmake/io/socket_send.c b/core/src/xmake/io/socket_send.c
index 1b99d8d08..d83b02add 100644
--- a/core/src/xmake/io/socket_send.c
+++ b/core/src/xmake/io/socket_send.c
@@ -36,7 +36,6 @@
 
 // io.socket_send(sock, data, start, last)
 tb_int_t xm_io_socket_send(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check socket
diff --git a/core/src/xmake/io/socket_sendfile.c b/core/src/xmake/io/socket_sendfile.c
index b5e6e10d6..0d4be4219 100644
--- a/core/src/xmake/io/socket_sendfile.c
+++ b/core/src/xmake/io/socket_sendfile.c
@@ -36,7 +36,6 @@
 
 // io.socket_sendfile(sock, file, start, last)
 tb_int_t xm_io_socket_sendfile(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check socket
diff --git a/core/src/xmake/io/socket_sendto.c b/core/src/xmake/io/socket_sendto.c
index cde81febf..15403d4d8 100644
--- a/core/src/xmake/io/socket_sendto.c
+++ b/core/src/xmake/io/socket_sendto.c
@@ -36,7 +36,6 @@
 
 // io.socket_sendto(sock, data, addr, port)
 tb_int_t xm_io_socket_sendto(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check socket
diff --git a/core/src/xmake/io/socket_wait.c b/core/src/xmake/io/socket_wait.c
index fd9900e21..42674f4f9 100644
--- a/core/src/xmake/io/socket_wait.c
+++ b/core/src/xmake/io/socket_wait.c
@@ -36,7 +36,6 @@
 
 // io.socket_wait(sock, events, timeout)
 tb_int_t xm_io_socket_wait(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check socket?
diff --git a/core/src/xmake/io/stdfile.c b/core/src/xmake/io/stdfile.c
index 05e1fcf2a..0dcb43501 100644
--- a/core/src/xmake/io/stdfile.c
+++ b/core/src/xmake/io/stdfile.c
@@ -144,7 +144,6 @@ static xm_io_file_t *xm_io_stdfile_new(lua_State *lua, tb_size_t type) {
 
 // io.stdfile(stdin: 1, stdout: 2, stderr: 3)
 tb_int_t xm_io_stdfile(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get std type
diff --git a/core/src/xmake/libc/byteof.c b/core/src/xmake/libc/byteof.c
index be8820ff9..dac772e9b 100644
--- a/core/src/xmake/libc/byteof.c
+++ b/core/src/xmake/libc/byteof.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_libc_byteof(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get data
diff --git a/core/src/xmake/libc/dataptr.c b/core/src/xmake/libc/dataptr.c
index 50b063b4e..363853800 100644
--- a/core/src/xmake/libc/dataptr.c
+++ b/core/src/xmake/libc/dataptr.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_libc_dataptr(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     tb_pointer_t data = tb_null;
diff --git a/core/src/xmake/libc/free.c b/core/src/xmake/libc/free.c
index ad12ccfc9..6f0d70f3d 100644
--- a/core/src/xmake/libc/free.c
+++ b/core/src/xmake/libc/free.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_libc_free(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // do free
diff --git a/core/src/xmake/libc/malloc.c b/core/src/xmake/libc/malloc.c
index 8e2380955..faaa00e97 100644
--- a/core/src/xmake/libc/malloc.c
+++ b/core/src/xmake/libc/malloc.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_libc_malloc(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // do malloc
diff --git a/core/src/xmake/libc/memcpy.c b/core/src/xmake/libc/memcpy.c
index 6baf66d39..e0e8b1492 100644
--- a/core/src/xmake/libc/memcpy.c
+++ b/core/src/xmake/libc/memcpy.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_libc_memcpy(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // do memcpy
diff --git a/core/src/xmake/libc/memmov.c b/core/src/xmake/libc/memmov.c
index f43bccea6..66120e168 100644
--- a/core/src/xmake/libc/memmov.c
+++ b/core/src/xmake/libc/memmov.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_libc_memmov(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // do memmov
diff --git a/core/src/xmake/libc/memset.c b/core/src/xmake/libc/memset.c
index 2c0936017..4f8864842 100644
--- a/core/src/xmake/libc/memset.c
+++ b/core/src/xmake/libc/memset.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_libc_memset(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // do memset
diff --git a/core/src/xmake/libc/setbyte.c b/core/src/xmake/libc/setbyte.c
index 7ae959014..d53c30229 100644
--- a/core/src/xmake/libc/setbyte.c
+++ b/core/src/xmake/libc/setbyte.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_libc_setbyte(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get data
diff --git a/core/src/xmake/libc/strndup.c b/core/src/xmake/libc/strndup.c
index d7d1204a0..f61cebb2c 100644
--- a/core/src/xmake/libc/strndup.c
+++ b/core/src/xmake/libc/strndup.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_libc_strndup(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // do strndup
diff --git a/core/src/xmake/lz4/block_compress.c b/core/src/xmake/lz4/block_compress.c
index 2c7f0c00f..53b592a22 100644
--- a/core/src/xmake/lz4/block_compress.c
+++ b/core/src/xmake/lz4/block_compress.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_lz4_block_compress(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get data and size
diff --git a/core/src/xmake/lz4/block_decompress.c b/core/src/xmake/lz4/block_decompress.c
index f2f76a4bf..2a6ed1d20 100644
--- a/core/src/xmake/lz4/block_decompress.c
+++ b/core/src/xmake/lz4/block_decompress.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_lz4_block_decompress(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get data and size
diff --git a/core/src/xmake/lz4/compress.c b/core/src/xmake/lz4/compress.c
index 352945d1f..69af51113 100644
--- a/core/src/xmake/lz4/compress.c
+++ b/core/src/xmake/lz4/compress.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_lz4_compress(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get data and size
diff --git a/core/src/xmake/lz4/compress_file.c b/core/src/xmake/lz4/compress_file.c
index be48184bd..48596e17b 100644
--- a/core/src/xmake/lz4/compress_file.c
+++ b/core/src/xmake/lz4/compress_file.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_lz4_compress_file(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the file paths
@@ -91,7 +90,6 @@ tb_int_t xm_lz4_compress_file(lua_State *lua) {
     }
     xm_lz4_cstream_exit(stream_lz4);
 
-    // ok?
     lua_pushboolean(lua, ok);
     return 1;
 }
diff --git a/core/src/xmake/lz4/compress_stream_close.c b/core/src/xmake/lz4/compress_stream_close.c
index 2bec169d0..d1f534cde 100644
--- a/core/src/xmake/lz4/compress_stream_close.c
+++ b/core/src/xmake/lz4/compress_stream_close.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_lz4_compress_stream_close(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/lz4/compress_stream_open.c b/core/src/xmake/lz4/compress_stream_open.c
index e4fd1de8b..d4ac50667 100644
--- a/core/src/xmake/lz4/compress_stream_open.c
+++ b/core/src/xmake/lz4/compress_stream_open.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_lz4_compress_stream_open(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     xm_lz4_cstream_t *stream = xm_lz4_cstream_init();
diff --git a/core/src/xmake/lz4/compress_stream_read.c b/core/src/xmake/lz4/compress_stream_read.c
index 7338ede02..ff1315c3e 100644
--- a/core/src/xmake/lz4/compress_stream_read.c
+++ b/core/src/xmake/lz4/compress_stream_read.c
@@ -35,7 +35,6 @@
  */
 
 tb_int_t xm_lz4_compress_stream_read(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check handle
diff --git a/core/src/xmake/lz4/compress_stream_write.c b/core/src/xmake/lz4/compress_stream_write.c
index aa6b87e85..730a4f986 100644
--- a/core/src/xmake/lz4/compress_stream_write.c
+++ b/core/src/xmake/lz4/compress_stream_write.c
@@ -35,7 +35,6 @@
  */
 
 tb_int_t xm_lz4_compress_stream_write(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check handle
diff --git a/core/src/xmake/lz4/decompress.c b/core/src/xmake/lz4/decompress.c
index c5382747d..51a50c112 100644
--- a/core/src/xmake/lz4/decompress.c
+++ b/core/src/xmake/lz4/decompress.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_lz4_decompress(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get data and size
diff --git a/core/src/xmake/lz4/decompress_file.c b/core/src/xmake/lz4/decompress_file.c
index b65ee87a0..7d91c5be4 100644
--- a/core/src/xmake/lz4/decompress_file.c
+++ b/core/src/xmake/lz4/decompress_file.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_lz4_decompress_file(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the file paths
@@ -91,7 +90,6 @@ tb_int_t xm_lz4_decompress_file(lua_State *lua) {
     }
     xm_lz4_dstream_exit(stream_lz4);
 
-    // ok?
     lua_pushboolean(lua, ok);
     return 1;
 }
diff --git a/core/src/xmake/lz4/decompress_stream_close.c b/core/src/xmake/lz4/decompress_stream_close.c
index ead2e3493..89c868c53 100644
--- a/core/src/xmake/lz4/decompress_stream_close.c
+++ b/core/src/xmake/lz4/decompress_stream_close.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_lz4_decompress_stream_close(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/lz4/decompress_stream_open.c b/core/src/xmake/lz4/decompress_stream_open.c
index 673038e80..eb3db7193 100644
--- a/core/src/xmake/lz4/decompress_stream_open.c
+++ b/core/src/xmake/lz4/decompress_stream_open.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_lz4_decompress_stream_open(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     xm_lz4_dstream_t *stream = xm_lz4_dstream_init();
diff --git a/core/src/xmake/lz4/decompress_stream_read.c b/core/src/xmake/lz4/decompress_stream_read.c
index 5f6486166..85ecdbe9f 100644
--- a/core/src/xmake/lz4/decompress_stream_read.c
+++ b/core/src/xmake/lz4/decompress_stream_read.c
@@ -35,7 +35,6 @@
  */
 
 tb_int_t xm_lz4_decompress_stream_read(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check handle
diff --git a/core/src/xmake/lz4/decompress_stream_write.c b/core/src/xmake/lz4/decompress_stream_write.c
index 7fa45544c..4359a41d7 100644
--- a/core/src/xmake/lz4/decompress_stream_write.c
+++ b/core/src/xmake/lz4/decompress_stream_write.c
@@ -35,7 +35,6 @@
  */
 
 tb_int_t xm_lz4_decompress_stream_write(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check handle
diff --git a/core/src/xmake/lz4/prefix.h b/core/src/xmake/lz4/prefix.h
index 996e53093..534e5361a 100644
--- a/core/src/xmake/lz4/prefix.h
+++ b/core/src/xmake/lz4/prefix.h
@@ -131,7 +131,6 @@ static __tb_inline__ tb_long_t xm_lz4_cstream_write(xm_lz4_cstream_t *stream,
                                                     tb_byte_t const  *idata,
                                                     tb_size_t         isize,
                                                     tb_bool_t         end) {
-    // check
     tb_assert_and_check_return_val(stream && stream->cctx && idata && isize, -1);
     tb_assert_and_check_return_val(isize <= stream->write_maxn, -1);
     tb_assert_and_check_return_val(stream->buffer_size + isize < stream->buffer_maxn, -1);
@@ -162,7 +161,6 @@ static __tb_inline__ tb_long_t xm_lz4_cstream_write(xm_lz4_cstream_t *stream,
 }
 
 static __tb_inline__ tb_long_t xm_lz4_cstream_read(xm_lz4_cstream_t *stream, tb_byte_t *odata, tb_size_t osize) {
-    // check
     tb_assert_and_check_return_val(stream && stream->cctx && odata && osize, -1);
     tb_assert_and_check_return_val(osize >= stream->header_size, -1);
 
@@ -224,7 +222,6 @@ static __tb_inline__ tb_long_t xm_lz4_dstream_write(xm_lz4_dstream_t *stream,
                                                     tb_byte_t const  *idata,
                                                     tb_size_t         isize,
                                                     tb_bool_t         end) {
-    // check
     tb_assert_and_check_return_val(stream && stream->dctx && idata && isize, -1);
 
     // read header first
@@ -279,7 +276,6 @@ static __tb_inline__ tb_long_t xm_lz4_dstream_write(xm_lz4_dstream_t *stream,
 }
 
 static __tb_inline__ tb_long_t xm_lz4_dstream_read(xm_lz4_dstream_t *stream, tb_byte_t *odata, tb_size_t osize) {
-    // check
     tb_assert_and_check_return_val(stream && stream->dctx && stream->buffer && odata && osize, -1);
     tb_check_return_val(stream->buffer_size, 0);
 
diff --git a/core/src/xmake/os/args.c b/core/src/xmake/os/args.c
index d220e0350..8b2c002c9 100644
--- a/core/src/xmake/os/args.c
+++ b/core/src/xmake/os/args.c
@@ -35,7 +35,6 @@
  */
 static tb_void_t tb_os_args_append(
     tb_string_ref_t result, tb_char_t const *cstr, tb_size_t size, tb_bool_t escape, tb_bool_t nowrap) {
-    // check
     tb_assert_and_check_return(size < TB_PATH_MAXN);
 
     // need wrap quote?
@@ -74,7 +73,6 @@ static tb_void_t tb_os_args_append(
  */
 // os.args({"xx", "yy"}, {escape = true})
 tb_int_t xm_os_args(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // escape '\\' characters in global?
diff --git a/core/src/xmake/os/argv.c b/core/src/xmake/os/argv.c
index 89635fb2d..f7230d057 100644
--- a/core/src/xmake/os/argv.c
+++ b/core/src/xmake/os/argv.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_argv(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the argument string
diff --git a/core/src/xmake/os/chdir.c b/core/src/xmake/os/chdir.c
index 537d6506c..73619122c 100644
--- a/core/src/xmake/os/chdir.c
+++ b/core/src/xmake/os/chdir.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_chdir(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
@@ -44,6 +43,5 @@ tb_int_t xm_os_chdir(lua_State *lua) {
     // done os.chdir(path)
     lua_pushboolean(lua, tb_directory_current_set(path));
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/os/cpdir.c b/core/src/xmake/os/cpdir.c
index e2f2b89ee..0df435436 100644
--- a/core/src/xmake/os/cpdir.c
+++ b/core/src/xmake/os/cpdir.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_cpdir(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the source and destination
diff --git a/core/src/xmake/os/cpfile.c b/core/src/xmake/os/cpfile.c
index b6597f87f..7291385a7 100644
--- a/core/src/xmake/os/cpfile.c
+++ b/core/src/xmake/os/cpfile.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_cpfile(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the source and destination
diff --git a/core/src/xmake/os/cpuinfo.c b/core/src/xmake/os/cpuinfo.c
index a2ac1bbe4..f8ef7d46b 100644
--- a/core/src/xmake/os/cpuinfo.c
+++ b/core/src/xmake/os/cpuinfo.c
@@ -237,7 +237,6 @@ static tb_float_t xm_os_cpuinfo_usagerate() {
  * }
  */
 tb_int_t xm_os_cpuinfo(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // init table
diff --git a/core/src/xmake/os/curdir.c b/core/src/xmake/os/curdir.c
index b2ca8a273..2d27cf905 100644
--- a/core/src/xmake/os/curdir.c
+++ b/core/src/xmake/os/curdir.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_curdir(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // os.curdir()
diff --git a/core/src/xmake/os/emptydir.c b/core/src/xmake/os/emptydir.c
index 79ebd9807..aab016d28 100644
--- a/core/src/xmake/os/emptydir.c
+++ b/core/src/xmake/os/emptydir.c
@@ -34,7 +34,6 @@
  * private implementation
  */
 static tb_long_t xm_os_emptydir_walk(tb_char_t const *path, tb_file_info_t const *info, tb_cpointer_t priv) {
-    // check
     tb_bool_t *is_emptydir = (tb_bool_t *)priv;
     tb_assert_and_check_return_val(path && info && is_emptydir, TB_DIRECTORY_WALK_CODE_END);
 
@@ -50,7 +49,6 @@ static tb_long_t xm_os_emptydir_walk(tb_char_t const *path, tb_file_info_t const
  * implementation
  */
 tb_int_t xm_os_emptydir(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the directory
diff --git a/core/src/xmake/os/exists.c b/core/src/xmake/os/exists.c
index 403a1285d..9bb244510 100644
--- a/core/src/xmake/os/exists.c
+++ b/core/src/xmake/os/exists.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_exists(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/os/filesize.c b/core/src/xmake/os/filesize.c
index 115ab5665..a99651fbf 100644
--- a/core/src/xmake/os/filesize.c
+++ b/core/src/xmake/os/filesize.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_filesize(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/os/find.c b/core/src/xmake/os/find.c
index 91c5b0261..2ed5611ad 100644
--- a/core/src/xmake/os/find.c
+++ b/core/src/xmake/os/find.c
@@ -34,7 +34,6 @@
  * private implementation
  */
 static tb_long_t xm_os_find_walk(tb_char_t const *path, tb_file_info_t const *info, tb_cpointer_t priv) {
-    // check
     tb_value_ref_t tuple = (tb_value_ref_t)priv;
     tb_assert_and_check_return_val(path && info && tuple, TB_DIRECTORY_WALK_CODE_END);
 
@@ -56,7 +55,6 @@ static tb_long_t xm_os_find_walk(tb_char_t const *path, tb_file_info_t const *in
     // the count
     tb_size_t *pcount = &(tuple[3].ul);
 
-    // trace
     tb_trace_d("path[%c]: %s", info->type == TB_FILE_TYPE_DIRECTORY ? 'd' : 'f', path);
 
     // we can ignore it directly if this path is file, but we need directory
@@ -70,7 +68,6 @@ static tb_long_t xm_os_find_walk(tb_char_t const *path, tb_file_info_t const *in
     lua_pushstring(lua, path);
     lua_pushstring(lua, pattern);
     if (lua_pcall(lua, 2, 1, 0)) {
-        // trace
         tb_printf("error: call string.match(%s, %s) failed: %s!\n", path, pattern, lua_tostring(lua, -1));
         return TB_DIRECTORY_WALK_CODE_END;
     }
@@ -87,7 +84,6 @@ static tb_long_t xm_os_find_walk(tb_char_t const *path, tb_file_info_t const *in
             tb_char_t const *rootdir = luaL_checklstring(lua, 1, &rootlen);
             tb_assert_and_check_return_val(rootdir && rootlen, TB_DIRECTORY_WALK_CODE_END);
 
-            // check
             tb_assert(!tb_strncmp(path, rootdir, rootlen));
             tb_assert(rootlen + 1 <= tb_strlen(path));
 
@@ -108,7 +104,6 @@ static tb_long_t xm_os_find_walk(tb_char_t const *path, tb_file_info_t const *in
                     lua_pushstring(lua, path);
                     lua_pushstring(lua, exclude);
                     if (lua_pcall(lua, 2, 1, 0)) {
-                        // trace
                         tb_printf("error: call string.match(%s, %s) failed: %s!\n",
                                   path,
                                   exclude,
@@ -163,7 +158,6 @@ static tb_long_t xm_os_find_walk(tb_char_t const *path, tb_file_info_t const *in
  * implementation
  */
 tb_int_t xm_os_find(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the root directory
diff --git a/core/src/xmake/os/fscase.c b/core/src/xmake/os/fscase.c
index 6fa1c1c4a..b24a36e50 100644
--- a/core/src/xmake/os/fscase.c
+++ b/core/src/xmake/os/fscase.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_fscase(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
 #if ((TB_VERSION_MAJOR * 100) + (TB_VERSION_MINOR * 10) + TB_VERSION_ALTER) >= 174
diff --git a/core/src/xmake/os/getenv.c b/core/src/xmake/os/getenv.c
index 84411ae1a..dc5578ebe 100644
--- a/core/src/xmake/os/getenv.c
+++ b/core/src/xmake/os/getenv.c
@@ -45,7 +45,6 @@
  * implementation
  */
 tb_int_t xm_os_getenv(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the name
@@ -89,6 +88,5 @@ tb_int_t xm_os_getenv(lua_State *lua) {
     // exit values
     tb_string_exit(&values);
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/os/getenvs.c b/core/src/xmake/os/getenvs.c
index a3bc546b4..70c6af7bf 100644
--- a/core/src/xmake/os/getenvs.c
+++ b/core/src/xmake/os/getenvs.c
@@ -57,7 +57,6 @@ extern tb_char_t **environ;
  * implementation
  */
 static tb_void_t xm_os_getenvs_trim(tb_char_t const **sstr, tb_char_t const **estr) {
-    // check
     tb_assert(sstr && estr && *sstr && *estr);
 
     tb_char_t const *p = *sstr;
@@ -77,7 +76,6 @@ static tb_void_t xm_os_getenvs_trim(tb_char_t const **sstr, tb_char_t const **es
 }
 
 static tb_void_t xm_os_getenvs_process_line(lua_State *lua, tb_char_t const *line) {
-    // check
     tb_assert_and_check_return(lua && line);
 
     tb_size_t n = tb_strlen(line);
@@ -124,7 +122,6 @@ static tb_void_t xm_os_getenvs_process_line(lua_State *lua, tb_char_t const *lin
 }
 
 tb_int_t xm_os_getenvs(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // init table
diff --git a/core/src/xmake/os/getown.c b/core/src/xmake/os/getown.c
index 54e2b589e..ef7846ad1 100644
--- a/core/src/xmake/os/getown.c
+++ b/core/src/xmake/os/getown.c
@@ -42,7 +42,6 @@
 
 // get owner by a given path
 tb_int_t xm_os_getown(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the pathname
@@ -63,7 +62,6 @@ tb_int_t xm_os_getown(lua_State *lua) {
     lua_pushinteger(lua, sts.st_gid);
     lua_settable(lua, -3);
 
-    // ok
     return 1;
 }
 
diff --git a/core/src/xmake/os/getpid.c b/core/src/xmake/os/getpid.c
index 70b63804a..ad1a6f880 100644
--- a/core/src/xmake/os/getpid.c
+++ b/core/src/xmake/os/getpid.c
@@ -40,7 +40,6 @@
  * implementation
  */
 tb_int_t xm_os_getpid(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
 #ifdef TB_CONFIG_OS_WINDOWS
diff --git a/core/src/xmake/os/getwinsize.c b/core/src/xmake/os/getwinsize.c
index 9757867a9..6faef97d0 100644
--- a/core/src/xmake/os/getwinsize.c
+++ b/core/src/xmake/os/getwinsize.c
@@ -43,7 +43,6 @@
 
 // get console window size
 tb_int_t xm_os_getwinsize(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // init default window size (we will not consider winsize limit if cannot get it)
@@ -80,6 +79,5 @@ tb_int_t xm_os_getwinsize(lua_State *lua) {
     lua_pushinteger(lua, h);
     lua_settable(lua, -3);
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/os/gid.c b/core/src/xmake/os/gid.c
index cd5915cd4..feb13791b 100644
--- a/core/src/xmake/os/gid.c
+++ b/core/src/xmake/os/gid.c
@@ -41,7 +41,6 @@
 
 // get & set gid
 tb_int_t xm_os_gid(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     tb_int_t rgidset = -1;
@@ -124,7 +123,6 @@ tb_int_t xm_os_gid(lua_State *lua) {
     lua_pushinteger(lua, egid);
     lua_settable(lua, -3);
 
-    // ok
     return 1;
 }
 
diff --git a/core/src/xmake/os/isdir.c b/core/src/xmake/os/isdir.c
index 6126ed6a8..f182e029d 100644
--- a/core/src/xmake/os/isdir.c
+++ b/core/src/xmake/os/isdir.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_isdir(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/os/isfile.c b/core/src/xmake/os/isfile.c
index f015b5f59..d7b1d66f2 100644
--- a/core/src/xmake/os/isfile.c
+++ b/core/src/xmake/os/isfile.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_isfile(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/os/islink.c b/core/src/xmake/os/islink.c
index 2de7e24fd..51181ecd2 100644
--- a/core/src/xmake/os/islink.c
+++ b/core/src/xmake/os/islink.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_islink(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/os/link.c b/core/src/xmake/os/link.c
index 696355177..cead7f88c 100644
--- a/core/src/xmake/os/link.c
+++ b/core/src/xmake/os/link.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_link(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the source and destination
@@ -45,6 +44,5 @@ tb_int_t xm_os_link(lua_State *lua) {
     // do os.link(src, dst)
     lua_pushboolean(lua, tb_file_link(src, dst));
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/os/mclock.c b/core/src/xmake/os/mclock.c
index f6bc138d3..5fa440db6 100644
--- a/core/src/xmake/os/mclock.c
+++ b/core/src/xmake/os/mclock.c
@@ -36,12 +36,10 @@
 
 // os.mclock()
 tb_int_t xm_os_mclock(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // save result
     lua_pushnumber(lua, (lua_Number)tb_mclock());
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/os/meminfo.c b/core/src/xmake/os/meminfo.c
index 3c0b71d80..1e6e5f422 100644
--- a/core/src/xmake/os/meminfo.c
+++ b/core/src/xmake/os/meminfo.c
@@ -159,7 +159,6 @@ static tb_bool_t xm_os_meminfo_stats(tb_int_t *ptotalsize, tb_int_t *pavailsize)
  * implementation
  */
 tb_int_t xm_os_meminfo(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // init table
diff --git a/core/src/xmake/os/mkdir.c b/core/src/xmake/os/mkdir.c
index badc50fd6..19507b5aa 100644
--- a/core/src/xmake/os/mkdir.c
+++ b/core/src/xmake/os/mkdir.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_mkdir(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
@@ -48,6 +47,5 @@ tb_int_t xm_os_mkdir(lua_State *lua) {
     else
         lua_pushboolean(lua, tb_true);
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/os/mtime.c b/core/src/xmake/os/mtime.c
index a3d9c44de..73014666b 100644
--- a/core/src/xmake/os/mtime.c
+++ b/core/src/xmake/os/mtime.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_mtime(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/os/readlink.c b/core/src/xmake/os/readlink.c
index 26ef78819..603ab7104 100644
--- a/core/src/xmake/os/readlink.c
+++ b/core/src/xmake/os/readlink.c
@@ -37,7 +37,6 @@
  * implementation
  */
 tb_int_t xm_os_readlink(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
@@ -69,6 +68,5 @@ tb_int_t xm_os_readlink(lua_State *lua) {
         lua_pushnil(lua);
 #endif
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/os/rename.c b/core/src/xmake/os/rename.c
index 2f43797db..0cc469ded 100644
--- a/core/src/xmake/os/rename.c
+++ b/core/src/xmake/os/rename.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_rename(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the source and destination
diff --git a/core/src/xmake/os/rmdir.c b/core/src/xmake/os/rmdir.c
index dd549adac..f04ba2a9c 100644
--- a/core/src/xmake/os/rmdir.c
+++ b/core/src/xmake/os/rmdir.c
@@ -34,7 +34,6 @@
  * private implementation
  */
 static tb_long_t xm_os_rmdir_empty(tb_char_t const *path, tb_file_info_t const *info, tb_cpointer_t priv) {
-    // check
     tb_bool_t *is_emptydir = (tb_bool_t *)priv;
     tb_assert_and_check_return_val(path && info && is_emptydir, TB_DIRECTORY_WALK_CODE_END);
 
@@ -47,7 +46,6 @@ static tb_long_t xm_os_rmdir_empty(tb_char_t const *path, tb_file_info_t const *
     return TB_DIRECTORY_WALK_CODE_CONTINUE;
 }
 static tb_long_t xm_os_rmdir_remove(tb_char_t const *path, tb_file_info_t const *info, tb_cpointer_t priv) {
-    // check
     tb_assert_and_check_return_val(path, TB_DIRECTORY_WALK_CODE_END);
 
     // is directory?
@@ -56,7 +54,6 @@ static tb_long_t xm_os_rmdir_remove(tb_char_t const *path, tb_file_info_t const
         tb_bool_t is_emptydir = tb_true;
         tb_directory_walk(path, tb_false, tb_true, xm_os_rmdir_empty, &is_emptydir);
 
-        // trace
         tb_trace_d("path: %s, emptydir: %u", path, is_emptydir);
 
         // remove empty directory
@@ -70,7 +67,6 @@ static tb_long_t xm_os_rmdir_remove(tb_char_t const *path, tb_file_info_t const
  * implementation
  */
 tb_int_t xm_os_rmdir(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
@@ -89,10 +85,8 @@ tb_int_t xm_os_rmdir(lua_State *lua) {
         if (is_emptydir)
             tb_directory_remove(path);
 
-        // trace
         tb_trace_d("path: %s, emptydir: %u", path, is_emptydir);
 
-        // ok?
         lua_pushboolean(lua, !tb_file_info(path, tb_null));
     } else {
         // os.rmdir(path)
diff --git a/core/src/xmake/os/rmfile.c b/core/src/xmake/os/rmfile.c
index f4b204e25..2032d4ee2 100644
--- a/core/src/xmake/os/rmfile.c
+++ b/core/src/xmake/os/rmfile.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_rmfile(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/os/setenv.c b/core/src/xmake/os/setenv.c
index 99a9bf44e..be375b2f4 100644
--- a/core/src/xmake/os/setenv.c
+++ b/core/src/xmake/os/setenv.c
@@ -35,7 +35,6 @@
  */
 // ok = os.setenv(name, value)
 tb_int_t xm_os_setenv(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the name and value
diff --git a/core/src/xmake/os/signal.c b/core/src/xmake/os/signal.c
index c1f43ad6b..4d9e8a4c5 100644
--- a/core/src/xmake/os/signal.c
+++ b/core/src/xmake/os/signal.c
@@ -101,7 +101,6 @@ static tb_void_t xm_os_signal_handler(tb_int_t signo_native) {
  * implementation
  */
 tb_int_t xm_os_signal(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
     g_lua            = lua;
     tb_int_t handler = XM_OS_SIGFUN;
diff --git a/core/src/xmake/os/strerror.c b/core/src/xmake/os/strerror.c
index 955ca8e24..c1ae41039 100644
--- a/core/src/xmake/os/strerror.c
+++ b/core/src/xmake/os/strerror.c
@@ -40,7 +40,6 @@
  * implementation
  */
 tb_int_t xm_os_strerror(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get syserror state
diff --git a/core/src/xmake/os/syserror.c b/core/src/xmake/os/syserror.c
index b96a9894f..3ef2a5c52 100644
--- a/core/src/xmake/os/syserror.c
+++ b/core/src/xmake/os/syserror.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_syserror(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get syserror state
diff --git a/core/src/xmake/os/tmpdir.c b/core/src/xmake/os/tmpdir.c
index 68b99ee8f..4396603d4 100644
--- a/core/src/xmake/os/tmpdir.c
+++ b/core/src/xmake/os/tmpdir.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_tmpdir(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // os.tmpdir()
diff --git a/core/src/xmake/os/touch.c b/core/src/xmake/os/touch.c
index 4e0bd5af8..5c470440b 100644
--- a/core/src/xmake/os/touch.c
+++ b/core/src/xmake/os/touch.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_os_touch(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     tb_char_t const *path = luaL_checkstring(lua, 1);
diff --git a/core/src/xmake/os/uid.c b/core/src/xmake/os/uid.c
index b6413a5e5..2785437d0 100644
--- a/core/src/xmake/os/uid.c
+++ b/core/src/xmake/os/uid.c
@@ -41,7 +41,6 @@
 
 // get & set uid
 tb_int_t xm_os_uid(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     tb_int_t ruidset = -1;
@@ -124,7 +123,6 @@ tb_int_t xm_os_uid(lua_State *lua) {
     lua_pushinteger(lua, euid);
     lua_settable(lua, -3);
 
-    // ok
     return 1;
 }
 
diff --git a/core/src/xmake/package/loadxmi.c b/core/src/xmake/package/loadxmi.c
index 894141414..15a579f91 100644
--- a/core/src/xmake/package/loadxmi.c
+++ b/core/src/xmake/package/loadxmi.c
@@ -43,7 +43,6 @@ typedef int (*xm_setup_func_t)(xmi_lua_ops_t *ops);
  * implementation
  */
 tb_int_t xm_package_loadxmi(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     tb_char_t const *path = luaL_checkstring(lua, 1);
diff --git a/core/src/xmake/path/absolute.c b/core/src/xmake/path/absolute.c
index 781d2f5e4..9b05bc07d 100644
--- a/core/src/xmake/path/absolute.c
+++ b/core/src/xmake/path/absolute.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_path_absolute(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/path/directory.c b/core/src/xmake/path/directory.c
index aca226a89..0c7d77f2d 100644
--- a/core/src/xmake/path/directory.c
+++ b/core/src/xmake/path/directory.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_path_directory(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/path/is_absolute.c b/core/src/xmake/path/is_absolute.c
index 120476242..7ac489e26 100644
--- a/core/src/xmake/path/is_absolute.c
+++ b/core/src/xmake/path/is_absolute.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_path_is_absolute(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/path/relative.c b/core/src/xmake/path/relative.c
index c6ddad14d..5d3beaaa5 100644
--- a/core/src/xmake/path/relative.c
+++ b/core/src/xmake/path/relative.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_path_relative(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/path/translate.c b/core/src/xmake/path/translate.c
index 422cd0320..7611d188a 100644
--- a/core/src/xmake/path/translate.c
+++ b/core/src/xmake/path/translate.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_path_translate(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the path
diff --git a/core/src/xmake/process/close.c b/core/src/xmake/process/close.c
index 272a02259..fc57453e6 100644
--- a/core/src/xmake/process/close.c
+++ b/core/src/xmake/process/close.c
@@ -36,7 +36,6 @@
 
 // process.close(p)
 tb_int_t xm_process_close(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/process/kill.c b/core/src/xmake/process/kill.c
index 7eb4f8fd7..4859027b4 100644
--- a/core/src/xmake/process/kill.c
+++ b/core/src/xmake/process/kill.c
@@ -36,7 +36,6 @@
 
 // process.kill(p)
 tb_int_t xm_process_kill(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/process/open.c b/core/src/xmake/process/open.c
index 8ed62a0cd..f0885719a 100644
--- a/core/src/xmake/process/open.c
+++ b/core/src/xmake/process/open.c
@@ -42,7 +42,6 @@
  *  envs = {"PATH=xxx", "XXX=yyy"}})
  */
 tb_int_t xm_process_open(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get command
diff --git a/core/src/xmake/process/openv.c b/core/src/xmake/process/openv.c
index e605822b1..99a6133d0 100644
--- a/core/src/xmake/process/openv.c
+++ b/core/src/xmake/process/openv.c
@@ -46,7 +46,6 @@
  *  envs = {"PATH=xxx", "XXX=yyy"}})
  */
 tb_int_t xm_process_openv(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // check argv
@@ -323,6 +322,5 @@ tb_int_t xm_process_openv(lua_State *lua) {
         tb_free(argv);
     argv = tb_null;
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/process/wait.c b/core/src/xmake/process/wait.c
index 2914d87cc..84d3b7079 100644
--- a/core/src/xmake/process/wait.c
+++ b/core/src/xmake/process/wait.c
@@ -36,7 +36,6 @@
 
 // ok, status = process.wait(proc, timeout)
 tb_int_t xm_process_wait(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
@@ -62,6 +61,5 @@ tb_int_t xm_process_wait(lua_State *lua) {
     lua_pushinteger(lua, ok);
     lua_pushinteger(lua, status);
 
-    // ok
     return 2;
 }
diff --git a/core/src/xmake/readline/add_history.c b/core/src/xmake/readline/add_history.c
index f928cc446..8f0c1cf4d 100644
--- a/core/src/xmake/readline/add_history.c
+++ b/core/src/xmake/readline/add_history.c
@@ -37,7 +37,6 @@
 
 // add_history wrapper
 tb_int_t xm_readline_add_history(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get history
@@ -47,7 +46,6 @@ tb_int_t xm_readline_add_history(lua_State *lua) {
     // call add_history
     add_history(history);
 
-    // ok
     return 0;
 }
 #endif
diff --git a/core/src/xmake/readline/clear_history.c b/core/src/xmake/readline/clear_history.c
index 11f7ab30c..0235ea4ee 100644
--- a/core/src/xmake/readline/clear_history.c
+++ b/core/src/xmake/readline/clear_history.c
@@ -37,7 +37,6 @@
 
 // clear_history wrapper
 tb_int_t xm_readline_clear_history(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
 #ifdef TB_CONFIG_OS_MACOSX
@@ -48,7 +47,6 @@ tb_int_t xm_readline_clear_history(lua_State *lua) {
     clear_history();
 #endif
 
-    // ok
     return 0;
 }
 
diff --git a/core/src/xmake/readline/history_list.c b/core/src/xmake/readline/history_list.c
index 56d84e114..45267edd5 100644
--- a/core/src/xmake/readline/history_list.c
+++ b/core/src/xmake/readline/history_list.c
@@ -37,7 +37,6 @@
 
 // history_list wrapper
 tb_int_t xm_readline_history_list(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // history list
@@ -70,7 +69,6 @@ tb_int_t xm_readline_history_list(lua_State *lua) {
     }
 #endif
 
-    // ok
     return 1;
 }
 
diff --git a/core/src/xmake/readline/readline.c b/core/src/xmake/readline/readline.c
index 6675c6de2..b6988e35c 100644
--- a/core/src/xmake/readline/readline.c
+++ b/core/src/xmake/readline/readline.c
@@ -38,7 +38,6 @@
 
 // readline wrapper
 tb_int_t xm_readline_readline(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the prompt
@@ -55,7 +54,6 @@ tb_int_t xm_readline_readline(lua_State *lua) {
     } else
         lua_pushnil(lua);
 
-    // ok
     return 1;
 }
 
diff --git a/core/src/xmake/sandbox/interactive.c b/core/src/xmake/sandbox/interactive.c
index 01bac19b4..9e94f876d 100644
--- a/core/src/xmake/sandbox/interactive.c
+++ b/core/src/xmake/sandbox/interactive.c
@@ -121,7 +121,6 @@ static tb_int_t xm_sandbox_docall(lua_State *lua, tb_int_t narg, tb_int_t clear)
     if (status != 0)
         lua_gc(lua, LUA_GCCOLLECT, 0);
 
-    // ok?
     return status;
 }
 
@@ -158,7 +157,6 @@ static tb_size_t xm_sandbox_readline(tb_char_t *data, tb_size_t maxn, tb_char_t
         if (size >= maxn)
             return 0;
 
-        // ok
         return size;
     }
 #else
@@ -189,7 +187,6 @@ static tb_int_t xm_sandbox_pushline(lua_State *lua, tb_char_t const *prompt2) {
         // push line
         lua_pushstring(lua, data);
 
-        // ok
         return 1;
     }
 
@@ -228,7 +225,6 @@ static tb_int_t xm_sandbox_loadline(lua_State *lua, tb_int_t top) {
         // attempt to load "return ..."
         status = luaL_loadbuffer(lua, data, size + 7, "=stdin");
 
-        // ok?
         if (status != LUA_ERRSYNTAX)
             return status;
 
@@ -292,7 +288,6 @@ static tb_int_t xm_sandbox_loadline(lua_State *lua, tb_int_t top) {
 
 // sandbox.interactive()
 tb_int_t xm_sandbox_interactive(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     /* get init stack top
@@ -358,6 +353,5 @@ tb_int_t xm_sandbox_interactive(lua_State *lua) {
     tb_printl("");
     tb_print_sync();
 
-    // end
     return 0;
 }
diff --git a/core/src/xmake/semver/compare.c b/core/src/xmake/semver/compare.c
index 87e2356a3..8310b73fc 100644
--- a/core/src/xmake/semver/compare.c
+++ b/core/src/xmake/semver/compare.c
@@ -36,7 +36,6 @@
 
 // semver.compare("v1.0.1-beta", "1.2") > 0?
 tb_int_t xm_semver_compare(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the version1 string
@@ -66,7 +65,6 @@ tb_int_t xm_semver_compare(lua_State *lua) {
     // do compare
     lua_pushinteger(lua, semver_pcmp(&semver1, &semver2));
 
-    // end
     semver_dtor(&semver1);
     semver_dtor(&semver2);
     return 1;
diff --git a/core/src/xmake/semver/parse.c b/core/src/xmake/semver/parse.c
index e9dc221ee..63bd47f93 100644
--- a/core/src/xmake/semver/parse.c
+++ b/core/src/xmake/semver/parse.c
@@ -55,7 +55,6 @@
  *
  */
 tb_int_t xm_semver_parse(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the version string
@@ -70,7 +69,6 @@ tb_int_t xm_semver_parse(lua_State *lua) {
         return 2;
     }
 
-    // ok
     lua_pushsemver(lua, &semver);
     semver_dtor(&semver);
     return 1;
diff --git a/core/src/xmake/semver/satisfies.c b/core/src/xmake/semver/satisfies.c
index 55c0decb9..a7c47f4fa 100644
--- a/core/src/xmake/semver/satisfies.c
+++ b/core/src/xmake/semver/satisfies.c
@@ -39,7 +39,6 @@
  * semver.satisfies('1.2.3', '1.x || >=2.5.0 || 5.0.0 - 7.2.3') => true
  */
 tb_int_t xm_semver_satisfies(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the version string
diff --git a/core/src/xmake/semver/select.c b/core/src/xmake/semver/select.c
index 373a71711..7109bfc83 100644
--- a/core/src/xmake/semver/select.c
+++ b/core/src/xmake/semver/select.c
@@ -75,7 +75,6 @@ static tb_bool_t xm_semver_select_from_versions_tags1(
     // exit the popped semver
     semver_dtor(&top);
 
-    // ok
     return tb_true;
 }
 static tb_bool_t xm_semver_select_from_versions_tags2(
@@ -173,7 +172,6 @@ static tb_bool_t xm_semver_select_latest_from_versions_tags(lua_State *lua,
  * local versioninfo, errors = semver.select(">=1.5.0 <1.6", {"1.5.0", "1.5.1"}, {"v1.5.0", ..}, {"latest", "dev"})
  */
 tb_int_t xm_semver_select(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // select version
@@ -260,6 +258,5 @@ tb_int_t xm_semver_select(lua_State *lua) {
         return 2;
     }
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/semver/semver.c b/core/src/xmake/semver/semver.c
index 4fe48e5e9..bd13828fa 100644
--- a/core/src/xmake/semver/semver.c
+++ b/core/src/xmake/semver/semver.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_void_t lua_pushsemver(lua_State *lua, semver_t const *semver) {
-    // check
     tb_assert(lua && semver);
 
     // return a semver table
diff --git a/core/src/xmake/string/convert.c b/core/src/xmake/string/convert.c
index 65750d95e..88dc5ceb1 100644
--- a/core/src/xmake/string/convert.c
+++ b/core/src/xmake/string/convert.c
@@ -98,7 +98,6 @@ static xm_charset_entry_ref_t xm_string_charset_find_by_name(tb_char_t const *na
  * @endcode
  */
 tb_int_t xm_string_convert(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the string and charset types
@@ -137,6 +136,5 @@ tb_int_t xm_string_convert(lua_State *lua) {
         tb_free(dst_data);
     }
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/string/endswith.c b/core/src/xmake/string/endswith.c
index 5905610f6..f7e5e1805 100644
--- a/core/src/xmake/string/endswith.c
+++ b/core/src/xmake/string/endswith.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_string_endswith(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the string and suffix
@@ -47,6 +46,5 @@ tb_int_t xm_string_endswith(lua_State *lua) {
     // string:endswith(suffix)?
     lua_pushboolean(lua, string_size >= suffix_size && !tb_strcmp(string + string_size - suffix_size, suffix));
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/string/lastof.c b/core/src/xmake/string/lastof.c
index c9df2213d..0d52e01ac 100644
--- a/core/src/xmake/string/lastof.c
+++ b/core/src/xmake/string/lastof.c
@@ -71,7 +71,6 @@ static tb_void_t xm_string_lastof_chr(lua_State *lua, tb_char_t const *cstr, tb_
  * @param substr          the substring
  */
 tb_int_t xm_string_lastof(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get string
diff --git a/core/src/xmake/string/split.c b/core/src/xmake/string/split.c
index be2904f99..56e8a636d 100644
--- a/core/src/xmake/string/split.c
+++ b/core/src/xmake/string/split.c
@@ -101,7 +101,6 @@ static tb_void_t xm_string_split_chr(
  * @param limit           the limit count
  */
 tb_int_t xm_string_split(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get string
diff --git a/core/src/xmake/string/startswith.c b/core/src/xmake/string/startswith.c
index c7fe9dcca..04b53ffa7 100644
--- a/core/src/xmake/string/startswith.c
+++ b/core/src/xmake/string/startswith.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_string_startswith(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the string and prefix
@@ -46,6 +45,5 @@ tb_int_t xm_string_startswith(lua_State *lua) {
     // string:startswith(prefix)?
     lua_pushboolean(lua, !tb_strncmp(string, prefix, (tb_size_t)prefix_size));
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/string/trim.c b/core/src/xmake/string/trim.c
index d22f86666..c1dcdad8d 100644
--- a/core/src/xmake/string/trim.c
+++ b/core/src/xmake/string/trim.c
@@ -34,7 +34,6 @@
  * private implementation
  */
 static tb_void_t xm_string_trim_space(tb_char_t const **psstr, tb_char_t const **pestr, tb_int_t mode) {
-    // check
     tb_assert(psstr && pestr && *psstr && *pestr);
 
     tb_char_t const *p = *psstr;
@@ -62,7 +61,6 @@ static tb_char_t const *xm_string_ltrim(tb_char_t const *sstr,
                                         tb_char_t const *estr,
                                         tb_char_t const *ctrim,
                                         size_t           ntrim) {
-    // check
     tb_assert(sstr && estr && ctrim);
 
     tb_char_t const *p = sstr;
@@ -75,7 +73,6 @@ static tb_char_t const *xm_string_rtrim(tb_char_t const *sstr,
                                         tb_char_t const *estr,
                                         tb_char_t const *ctrim,
                                         size_t           ntrim) {
-    // check
     tb_assert(sstr && estr && ctrim);
 
     tb_char_t const *p = estr - 1;
@@ -100,7 +97,6 @@ static tb_char_t const *xm_string_rtrim(tb_char_t const *sstr,
  * @endcode
  */
 tb_int_t xm_string_trim(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     size_t           lstr, ltrim;
@@ -127,7 +123,6 @@ tb_int_t xm_string_trim(lua_State *lua) {
         // no trimed chars
         tb_check_break(sstr != rsstr || estr != restr);
 
-        // ok
         lua_pushlstring(lua, sstr, estr - sstr);
         return 1;
 
diff --git a/core/src/xmake/thread/thread_exit.c b/core/src/xmake/thread/thread_exit.c
index a91018ac6..ae828805e 100644
--- a/core/src/xmake/thread/thread_exit.c
+++ b/core/src/xmake/thread/thread_exit.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_thread_exit(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/thread/thread_init.c b/core/src/xmake/thread/thread_init.c
index 60d694ae1..2a792463a 100644
--- a/core/src/xmake/thread/thread_init.c
+++ b/core/src/xmake/thread/thread_init.c
@@ -81,7 +81,6 @@ static tb_int_t xm_thread_func(tb_cpointer_t priv) {
  * implementation
  */
 tb_int_t xm_thread_init(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     tb_bool_t    ok     = tb_false;
diff --git a/core/src/xmake/thread/thread_resume.c b/core/src/xmake/thread/thread_resume.c
index 9a3630338..45253b418 100644
--- a/core/src/xmake/thread/thread_resume.c
+++ b/core/src/xmake/thread/thread_resume.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_thread_resume(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/thread/thread_suspend.c b/core/src/xmake/thread/thread_suspend.c
index dcb24c4f6..1df3063ef 100644
--- a/core/src/xmake/thread/thread_suspend.c
+++ b/core/src/xmake/thread/thread_suspend.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_thread_suspend(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/thread/thread_wait.c b/core/src/xmake/thread/thread_wait.c
index 4a921f39c..8ceb45524 100644
--- a/core/src/xmake/thread/thread_wait.c
+++ b/core/src/xmake/thread/thread_wait.c
@@ -34,7 +34,6 @@
  * implementation
  */
 tb_int_t xm_thread_wait(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // is pointer?
diff --git a/core/src/xmake/tty/term_mode.c b/core/src/xmake/tty/term_mode.c
index 78380de5f..34998c60b 100644
--- a/core/src/xmake/tty/term_mode.c
+++ b/core/src/xmake/tty/term_mode.c
@@ -41,7 +41,6 @@
  * local oldmode = tty.term_mode(stdtype, newmode)
  */
 tb_int_t xm_tty_term_mode(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
 #ifdef TB_CONFIG_OS_WINDOWS
diff --git a/core/src/xmake/utils/bin2c.c b/core/src/xmake/utils/bin2c.c
index fef00fb4e..77a1b2a8c 100644
--- a/core/src/xmake/utils/bin2c.c
+++ b/core/src/xmake/utils/bin2c.c
@@ -101,7 +101,6 @@ static tb_bool_t xm_utils_bin2c_dump(tb_stream_ref_t istream,
  * local ok, errors = utils.bin2c(binaryfile, outputfile, linewidth, nozeroend)
  */
 tb_int_t xm_utils_bin2c(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the binaryfile
diff --git a/core/src/xmake/winos/ansi.c b/core/src/xmake/winos/ansi.c
index 137f18742..48bb9df82 100644
--- a/core/src/xmake/winos/ansi.c
+++ b/core/src/xmake/winos/ansi.c
@@ -36,7 +36,6 @@
  */
 
 static tb_int_t xm_expand_cp(tb_int_t cp) {
-    // check
     tb_assert_and_check_return_val(cp >= 0 && cp <= 65535, 0);
 
     if (cp == CP_OEMCP)
@@ -47,7 +46,6 @@ static tb_int_t xm_expand_cp(tb_int_t cp) {
 }
 
 tb_int_t xm_winos_console_cp(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     tb_int_t n = lua_gettop(lua);
@@ -66,7 +64,6 @@ tb_int_t xm_winos_console_cp(lua_State *lua) {
 }
 
 tb_int_t xm_winos_console_output_cp(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     tb_int_t n = lua_gettop(lua);
@@ -85,7 +82,6 @@ tb_int_t xm_winos_console_output_cp(lua_State *lua) {
 }
 
 tb_int_t xm_winos_cp_info(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     lua_Integer cp = luaL_checkinteger(lua, 1);
@@ -138,7 +134,6 @@ tb_int_t xm_winos_cp_info(lua_State *lua) {
 }
 
 tb_int_t xm_winos_ansi_cp(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     tb_uint_t cp = GetACP();
@@ -147,7 +142,6 @@ tb_int_t xm_winos_ansi_cp(lua_State *lua) {
 }
 
 tb_int_t xm_winos_oem_cp(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     tb_uint_t cp = GetOEMCP();
diff --git a/core/src/xmake/winos/logical_drives.c b/core/src/xmake/winos/logical_drives.c
index 48b05886e..7227069b9 100644
--- a/core/src/xmake/winos/logical_drives.c
+++ b/core/src/xmake/winos/logical_drives.c
@@ -73,6 +73,5 @@ tb_int_t xm_winos_logical_drives(lua_State *lua) {
         tb_free(data);
     data = tb_null;
 
-    // ok
     return 1;
 }
diff --git a/core/src/xmake/winos/registry_keys.c b/core/src/xmake/winos/registry_keys.c
index 42a37e33d..7daf44ff4 100644
--- a/core/src/xmake/winos/registry_keys.c
+++ b/core/src/xmake/winos/registry_keys.c
@@ -168,7 +168,6 @@ static tb_void_t xm_winos_registry_enum_keys(xm_winos_registry_enum_info_t *info
  *                                             end)
  */
 tb_int_t xm_winos_registry_keys(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the arguments
@@ -231,7 +230,6 @@ tb_int_t xm_winos_registry_keys(lua_State *lua) {
 
     } while (0);
 
-    // ok?
     if (ok) {
         lua_pushinteger(lua, count);
         return 1;
diff --git a/core/src/xmake/winos/registry_query.c b/core/src/xmake/winos/registry_query.c
index 23fda76ff..5e98af2cd 100644
--- a/core/src/xmake/winos/registry_query.c
+++ b/core/src/xmake/winos/registry_query.c
@@ -46,7 +46,6 @@ typedef BOOL(WINAPI *xm_RegGetValueW_t)(
  * local value, errors = winos.registry_query("HKEY_LOCAL_MACHINE", "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug", "Debugger")
  */
 tb_int_t xm_winos_registry_query(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the arguments
@@ -226,6 +225,5 @@ tb_int_t xm_winos_registry_query(lua_State *lua) {
         tb_free(value_w);
     value_w = tb_null;
 
-    // ok?
     return ok ? 1 : 2;
 }
diff --git a/core/src/xmake/winos/registry_values.c b/core/src/xmake/winos/registry_values.c
index 1f72d978b..6bda8e690 100644
--- a/core/src/xmake/winos/registry_values.c
+++ b/core/src/xmake/winos/registry_values.c
@@ -43,7 +43,6 @@
  *                                             end)
  */
 tb_int_t xm_winos_registry_values(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the arguments
@@ -156,7 +155,6 @@ tb_int_t xm_winos_registry_values(lua_State *lua) {
             }
         }
 
-        // ok
         if (i == value_name_num)
             ok = tb_true;
 
@@ -167,7 +165,6 @@ tb_int_t xm_winos_registry_values(lua_State *lua) {
         RegCloseKey(keynew);
     keynew = tb_null;
 
-    // ok?
     if (ok) {
         lua_pushinteger(lua, count);
         return 1;
diff --git a/core/src/xmake/winos/short_path.c b/core/src/xmake/winos/short_path.c
index 5c6e20b30..9c2192787 100644
--- a/core/src/xmake/winos/short_path.c
+++ b/core/src/xmake/winos/short_path.c
@@ -39,7 +39,6 @@
  * local short_path, errors = winos.short_path(long_path)
  */
 tb_int_t xm_winos_short_path(lua_State *lua) {
-    // check
     tb_assert_and_check_return_val(lua, 0);
 
     // get the arguments
diff --git a/core/src/xmake/xmake.c b/core/src/xmake/xmake.c
index 89b288c79..8d4a77284 100644
--- a/core/src/xmake/xmake.c
+++ b/core/src/xmake/xmake.c
@@ -52,7 +52,6 @@ static __tb_inline__ tb_bool_t xm_check_mode(tb_size_t mode) {
     }
 #endif
 
-    // ok
     return tb_true;
 }
 static __tb_inline__ tb_bool_t xm_version_check(tb_hize_t build) {
@@ -60,7 +59,6 @@ static __tb_inline__ tb_bool_t xm_version_check(tb_hize_t build) {
     tb_version_t const *version = xm_version();
     tb_used(version);
 
-    // ok
     if ((build / 100) == (XM_VERSION_BUILD / 100)) {
         tb_trace_d("version: %s", XM_VERSION_STRING);
         return tb_true;
@@ -76,7 +74,6 @@ static __tb_inline__ tb_bool_t xm_version_check(tb_hize_t build) {
  * implementation
  */
 tb_bool_t xm_init_(tb_size_t mode, tb_hize_t build) {
-    // trace
     tb_trace_d("init: ..");
 
     // check mode
@@ -95,10 +92,8 @@ tb_bool_t xm_init_(tb_size_t mode, tb_hize_t build) {
         return tb_false;
 #endif
 
-    // trace
     tb_trace_d("init: ok");
 
-    // ok
     return tb_true;
 }
 tb_void_t xm_exit() {