diff --git a/source/libs/catalog/src/ctgUtil.c b/source/libs/catalog/src/ctgUtil.c
index 0ec7a92b84311b84497f1f6631e2b9a12d358fa0..a42a189e7560ac322122604d058e3ab9c40ea158 100644
--- a/source/libs/catalog/src/ctgUtil.c
+++ b/source/libs/catalog/src/ctgUtil.c
@@ -528,11 +528,18 @@ void ctgFreeTaskRes(CTG_TASK_TYPE type, void** pRes) {
       }
       break;
     }
+    case CTG_TASK_GET_USER: {
+      if (*pRes) {
+        SUserAuthRes* pAuth = (SUserAuthRes *)*pRes;
+        nodesDestroyNode(pAuth->pCond);
+        taosMemoryFreeClear(*pRes);
+      }
+      break;
+    }
     case CTG_TASK_GET_TB_HASH:
     case CTG_TASK_GET_DB_INFO:
     case CTG_TASK_GET_INDEX_INFO:
     case CTG_TASK_GET_UDF:
-    case CTG_TASK_GET_USER:
     case CTG_TASK_GET_SVR_VER:
     case CTG_TASK_GET_TB_META: {
       taosMemoryFreeClear(*pRes);