diff --git a/include/os/osMemory.h b/include/os/osMemory.h
index ac1f8b6d408aee1d458b86a61c2f0ecafd221768..ee21d28fb89fdef44e576b92cfabfc8077e7bc24 100644
--- a/include/os/osMemory.h
+++ b/include/os/osMemory.h
@@ -24,16 +24,16 @@ extern "C" {
 // When you want to use this feature, you should find or add the same function in the following sectio
 #if !defined(WINDOWS)
 
-// #ifndef ALLOW_FORBID_FUNC
-// #define malloc  MALLOC_FUNC_TAOS_FORBID
-// #define calloc  CALLOC_FUNC_TAOS_FORBID
-// #define realloc REALLOC_FUNC_TAOS_FORBID
-// #define free    FREE_FUNC_TAOS_FORBID
+#ifndef ALLOW_FORBID_FUNC
+#define malloc  MALLOC_FUNC_TAOS_FORBID
+#define calloc  CALLOC_FUNC_TAOS_FORBID
+#define realloc REALLOC_FUNC_TAOS_FORBID
+#define free    FREE_FUNC_TAOS_FORBID
 #ifdef strdup
 #undef strdup
 #define strdup STRDUP_FUNC_TAOS_FORBID
 #endif
-// #endif  // ifndef ALLOW_FORBID_FUNC
+#endif  // ifndef ALLOW_FORBID_FUNC
 #endif  // if !defined(WINDOWS)
 
 // // #define taosMemoryFree    malloc