diff --git a/src/util/src/tutil.c b/src/util/src/tutil.c
index 12932f055340b1120e7d2b0ba487378b0a08b942..cdd017fb564d1f11703b4608cfb85c0865f060c6 100644
--- a/src/util/src/tutil.c
+++ b/src/util/src/tutil.c
@@ -503,7 +503,6 @@ int taosCheckVersion(char *input_client_version, char *input_server_version, int
   if (!taosGetVersionNumber(server_version, serverVersionNumber)) {
     pError("invalid server version:%s", server_version);
     return TSDB_CODE_INVALID_CLIENT_VERSION;
-    return NULL;
   }
 
   for(int32_t i = 0; i < comparedSegments; ++i) {