diff --git a/bspMCU/l_stm32.c b/bspMCU/l_stm32.c
index 92a370e..07a972d 100644
--- a/bspMCU/l_stm32.c
+++ b/bspMCU/l_stm32.c
@@ -1,10 +1,4 @@
 #include "common.h"
-
-void Rd_lstm32EnableStrong(void)
-{
-    // 用于强符号覆盖的锚点
-}
-
 #ifdef USE_LUA_ST
 #include <unistd.h>
 #include "lua_base.h"
diff --git a/library/common/include/common.h b/library/common/include/common.h
index dd7843b..607554b 100644
--- a/library/common/include/common.h
+++ b/library/common/include/common.h
@@ -164,9 +164,6 @@ extern void Rd_ThreadEnableStrong(void);
 #ifdef BUILD_PLATFORM_WIN32
 extern void Rd_Win32EnableStrong(void);
 #endif
-#ifdef BUILD_BSPMCU
-extern void Rd_lstm32EnableStrong(void);
-#endif
 
 #ifdef BUILD_LOG
     #define INIT_LOG_PART() do { Rd_ElogEnableStrong(); } while(0)
@@ -186,12 +183,6 @@ extern void Rd_lstm32EnableStrong(void);
     #define INIT_WIN32_PART() do {} while(0)
 #endif
 
-#ifdef BUILD_BSPMCU
-    #define INIT_BSPMCU_PART() do { Rd_lstm32EnableStrong(); } while(0)
-#else
-    #define INIT_BSPMCU_PART() do {} while(0)
-#endif
-
 #define RD_INIT() \
     do { \
         INIT_LOG_PART(); \
@@ -199,7 +190,6 @@ extern void Rd_lstm32EnableStrong(void);
         Rd_MemPoolInit_Auto(); \
         INIT_LINUX_PART(); \
         INIT_WIN32_PART(); \
-        INIT_BSPMCU_PART(); \
     } while(0)
 
 #endif /* end of include guard: COMMON_H */
diff --git a/lua/lua.c b/lua/lua.c
index e1892d9..dc5c0a9 100644
--- a/lua/lua.c
+++ b/lua/lua.c
@@ -395,12 +395,7 @@ static char *readline(const char *_pcPrompt, char *_pcBuffer, int _iSize, int _i
     return NULL;
 }
 
-WEAK int luaopen_stm32(lua_State *L) 
-{
-    lua_newtable(L);
-    lua_setglobal(L, "st");
-    return 1;
-}
+extern int luaopen_stm32(lua_State *L);
 
 int lua_init(lua_output _lua_print)
 {
@@ -445,9 +440,9 @@ int lua_init(lua_output _lua_print)
         return RD_FAILURE;
     }
     luaL_openlibs(L);
-
+#ifdef USE_LUA_ST
     luaopen_stm32(L);
-
+#endif
     lua_print("Lua REPL V5.4\nType 'exit' or Ctrl+D to quit.\n\n");
     lua_print("%s", incomplete ? CONT_PROMPT : PROMPT);
     return 0;