improve bytes

1 files changed, 3 insertions, 3 deletions

diff --git a/core/src/xmake/libc/byteof.c b/core/src/xmake/libc/byteof.c
index 9d0031559..b6d757c81 100644
--- a/core/src/xmake/libc/byteof.c
+++ b/core/src/xmake/libc/byteof.c
@@ -40,8 +40,8 @@ tb_int_t xm_libc_byteof(lua_State* lua)
 
     // get data
     tb_pointer_t data = tb_null;
-    if (xm_lua_ispointer(lua, 1))
-        data = (tb_pointer_t)xm_lua_topointer(lua, 1);
+    if (lua_isnumber(lua, 1))
+        data = (tb_pointer_t)(tb_size_t)lua_tointeger(lua, 1);
     else if (lua_isstring(lua, 1))
         data = (tb_pointer_t)luaL_checkstring(lua, 1);
     else xm_libc_return_error(lua, "libc.byteof(invalid data)!");
@@ -49,7 +49,7 @@ tb_int_t xm_libc_byteof(lua_State* lua)
     // get offset
     tb_int_t offset = 0;
     if (lua_isnumber(lua, 2))
-        offset = (tb_int_t)lua_tonumber(lua, 2);
+        offset = (tb_int_t)lua_tointeger(lua, 2);
     else xm_libc_return_error(lua, "libc.byteof(invalid offset)!");
     lua_pushinteger(lua, ((tb_byte_t const*)data)[offset]);
     return 1;