diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index b7fe6aa7b2d02cc00f60c01b8894f8da0534ce3b..4004e0f3ea8124aadec082c3850df67217898607 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -407,7 +407,9 @@ void tscResetSqlCmdObj(SSqlCmd* pCmd, bool removeFromCache) {
   pCmd->autoCreated = 0;
 
   for(int32_t i = 0; i < pCmd->numOfTables; ++i) {
-    taosCacheRelease(tscMetaCache, (void**)&(pCmd->pTableMetaList[i]), false);
+    if (pCmd->pTableMetaList[i] != NULL) {
+      taosCacheRelease(tscMetaCache, (void**)&(pCmd->pTableMetaList[i]), false);
+    }
   }
 
   pCmd->numOfTables = 0;