fix mutex cdata

1 files changed, 3 insertions, 6 deletions

diff --git a/core/src/xmake/thread/mutex_exit.c b/core/src/xmake/thread/mutex_exit.c
index 43c31c6c7..39d69ab8a 100644
--- a/core/src/xmake/thread/mutex_exit.c
+++ b/core/src/xmake/thread/mutex_exit.c
@@ -37,13 +37,10 @@ tb_int_t xm_thread_mutex_exit(lua_State* lua)
 {
     tb_assert_and_check_return_val(lua, 0);
 
-    if (!xm_lua_ispointer(lua, 1))
-        return 0;
+    xm_thread_mutex_t* thread_mutex = xm_thread_mutex_get(lua, 1);
+    tb_assert_and_check_return_val(thread_mutex && thread_mutex->handle, 0);
 
-    xm_thread_mutex_t* thread_mutex = (xm_thread_mutex_t*)xm_lua_topointer(lua, 1);
-    tb_check_return_val(thread_mutex, 0);
-
-    if (thread_mutex && tb_atomic_fetch_and_sub(&thread_mutex->refn, 1) == 1)
+    if (tb_atomic_fetch_and_sub(&thread_mutex->refn, 1) == 1)
     {
         if (thread_mutex->handle)
         {