improve hash tests

1 files changed, 2 insertions, 3 deletions

diff --git a/core/src/xmake/hash/md5.c b/core/src/xmake/hash/md5.c
index 1ca594941..0f6a9f598 100644
--- a/core/src/xmake/hash/md5.c
+++ b/core/src/xmake/hash/md5.c
@@ -108,9 +108,8 @@ tb_int_t xm_hash_md5(lua_State* lua)
             tb_md5_exit(&md5, buffer, sizeof(buffer));
 
             // make md5 string
-            tb_size_t i = 0;
-            tb_char_t s[256] = {0};
-            for (i = 0; i < 16; ++i) tb_snprintf(s + (i << 1), 3, "%02x", buffer[i]);
+            tb_char_t s[256];
+            xm_hash_make_cstr(s, buffer, 16);
 
             // save result
 	        lua_pushstring(lua, s);