diff --git a/source/client/src/clientTmq.c b/source/client/src/clientTmq.c
index 78f45be6bf..807e6cb53b 100644
--- a/source/client/src/clientTmq.c
+++ b/source/client/src/clientTmq.c
@@ -2262,6 +2262,8 @@ int64_t tmq_get_vgroup_offset(TAOS_RES* res) {
     STqOffsetVal* pOffset = &pRspObj->rsp.reqOffset;
     if (pOffset->type == TMQ_OFFSET__LOG) {
       return pRspObj->rsp.reqOffset.version;
+    }else{
+      tscError("invalid offset type:%d", pOffset->type);
     }
   } else if (TD_RES_TMQ_META(res)) {
     SMqMetaRspObj* pRspObj = (SMqMetaRspObj*)res;
@@ -2273,6 +2275,8 @@ int64_t tmq_get_vgroup_offset(TAOS_RES* res) {
     if (pRspObj->rsp.reqOffset.type == TMQ_OFFSET__LOG) {
       return pRspObj->rsp.reqOffset.version;
     }
+  } else{
+    tscError("invalid tmqtype:%d", *(int8_t*)res);
   }
 
   // data from tsdb, no valid offset info