diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index b7459b00dace1b3ba44482742e11f1f3d99b4da1..3e2c2318890671c056b46d9dfce181fec1312e82 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -2953,6 +2953,12 @@ int tscProcessQueryRsp(SSqlObj *pSql) {
   SSqlRes *pRes = &pSql->res;
 
   SQueryTableRsp *pQueryAttr = (SQueryTableRsp *)pRes->pRsp;
+
+  if (pQueryAttr == NULL) {
+    pRes->code = TSDB_CODE_TSC_OUT_OF_MEMORY;
+    return pRes->code;
+  }
+  
   pQueryAttr->qId = htobe64(pQueryAttr->qId);
 
   pRes->qId  = pQueryAttr->qId;