diff --git a/source/libs/nodes/src/nodesCodeFuncs.c b/source/libs/nodes/src/nodesCodeFuncs.c
index eed97234cc..b648e18809 100644
--- a/source/libs/nodes/src/nodesCodeFuncs.c
+++ b/source/libs/nodes/src/nodesCodeFuncs.c
@@ -1418,7 +1418,6 @@ static int32_t datumToJson(const void* pObj, SJson* pJson) {
     case TSDB_DATA_TYPE_VARCHAR:
     case TSDB_DATA_TYPE_VARBINARY:
       code = tjsonAddStringToObject(pJson, jkValueDatum, varDataVal(pNode->datum.p));
-      nodesDebug("!!!!!!!!tojson, value:%s", varDataVal(pNode->datum.p));
       break;
     case TSDB_DATA_TYPE_JSON:
     case TSDB_DATA_TYPE_DECIMAL:
@@ -1488,7 +1487,6 @@ static int32_t jsonToDatum(const SJson* pJson, void* pObj) {
       }
       varDataSetLen(pNode->datum.p, pNode->node.resType.bytes);
       code = tjsonGetStringValue(pJson, jkValueDatum, varDataVal(pNode->datum.p));
-      nodesDebug("!!!!!!!!!len:%d,string:%s", pNode->node.resType.bytes, varDataVal(pNode->datum.p));
       break;
     }
     case TSDB_DATA_TYPE_JSON:
@@ -2430,4 +2428,11 @@ int32_t nodesStringToList(const char* pStr, SNodeList** pList) {
   if (NULL == pJson) {
     return TSDB_CODE_FAILED;
   }
-  int32_t 
\ No newline at end of file
+  int32_t code = jsonToNodeListImpl(pJson, pList);
+  if (TSDB_CODE_SUCCESS != code) {
+    nodesDestroyList(*pList);
+    terrno = code;
+    return code;
+  }
+  return TSDB_CODE_SUCCESS;
+}