diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index 3493cbb3a39fe007e04cbe2e1592e9de020c1252..da2f58307dbfc647eaf535c5677d0521fb316b4f 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -555,6 +555,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE TAOS_DEF_ERROR_CODE(0, 0x265F)
 #define TSDB_CODE_PAR_INVALID_SMA_INDEX         TAOS_DEF_ERROR_CODE(0, 0x2660)
 #define TSDB_CODE_PAR_INVALID_SELECTED_EXPR     TAOS_DEF_ERROR_CODE(0, 0x2661)
+#define TSDB_CODE_PAR_GET_META_ERROR            TAOS_DEF_ERROR_CODE(0, 0x2662)
 #define TSDB_CODE_PAR_INTERNAL_ERROR            TAOS_DEF_ERROR_CODE(0, 0x26FF)
 
 //planner
diff --git a/source/client/src/clientHb.c b/source/client/src/clientHb.c
index 6a583842d121f836d1fcaaf5aa3dab2d25b072df..3d6cf1c626c3bbbe695ea35ba6316439b7886eb3 100644
--- a/source/client/src/clientHb.c
+++ b/source/client/src/clientHb.c
@@ -353,6 +353,7 @@ int32_t hbBuildQueryDesc(SQueryHbReqBasic *hbBasic, STscObj *pObj) {
         desc.subDesc = NULL;
         desc.subPlanNum = 0;
       }
+      ASSERT(desc.subPlanNum == taosArrayGetSize(desc.subDesc));
     } else {
       desc.subDesc = NULL;
     }
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 3163982decb1fe4b62f2140cd1c1aa6f94bf3916..05b27546eb016cb684eaacac4afd9853d668a1d9 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -305,6 +305,8 @@ static int32_t tDeserializeSClientHbReq(SDecoder *pDecoder, SClientHbReq *pReq)
               taosArrayPush(desc.subDesc, &sDesc);
             }
           }
+          
+          ASSERT(desc.subPlanNum == taosArrayGetSize(desc.subDesc));
 
           taosArrayPush(pReq->query->queryDesc, &desc);
         }
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 5cba920a43c6a59af14c1e85ccfdb4300980ebac..4dfae222f2a78c8d5cb8a2f30dc100e6ca67f873 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -1857,7 +1857,7 @@ static int32_t translateTable(STranslateContext* pCxt, SNode* pTable) {
             pCxt, toName(pCxt->pParseCxt->acctId, pRealTable->table.dbName, pRealTable->table.tableName, &name),
             &(pRealTable->pMeta));
         if (TSDB_CODE_SUCCESS != code) {
-          return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TABLE_NOT_EXIST, pRealTable->table.tableName);
+          return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_GET_META_ERROR, tstrerror(code));
         }
         code = setTableVgroupList(pCxt, &name, pRealTable);
         if (TSDB_CODE_SUCCESS == code) {
diff --git a/source/libs/parser/src/parUtil.c b/source/libs/parser/src/parUtil.c
index 79d6f3b8e86572ead7283b81545d3869c7c26363..e51800aece4cdb4bdaee5386490277b65ec366f5 100644
--- a/source/libs/parser/src/parUtil.c
+++ b/source/libs/parser/src/parUtil.c
@@ -31,6 +31,8 @@ static char* getSyntaxErrFormat(int32_t errCode) {
       return "Invalid column name: %s";
     case TSDB_CODE_PAR_TABLE_NOT_EXIST:
       return "Table does not exist: %s";
+    case TSDB_CODE_PAR_GET_META_ERROR:
+      return "Fail to get table info, error: %s";
     case TSDB_CODE_PAR_AMBIGUOUS_COLUMN:
       return "Column ambiguously defined: %s";
     case TSDB_CODE_PAR_WRONG_VALUE_TYPE:
diff --git a/source/libs/scheduler/src/schJob.c b/source/libs/scheduler/src/schJob.c
index 50f8b9102379d7a5280c1f10654263719e43fb90..46140ccdff58eaa79863a4685112dfc64f853ff4 100644
--- a/source/libs/scheduler/src/schJob.c
+++ b/source/libs/scheduler/src/schJob.c
@@ -916,7 +916,7 @@ int32_t schProcessOnOpBegin(SSchJob* pJob, SCH_OP_TYPE type, SSchedulerReq* pReq
         qDebug("job not initialized or not executable job, refId:0x%" PRIx64, pJob->refId);
         SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR);
       }
-      break;
+      return TSDB_CODE_SUCCESS;
     default:
       SCH_JOB_ELOG("unknown operation type %d", type);
       SCH_ERR_RET(TSDB_CODE_TSC_APP_ERROR);
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index f8d8e9d168af8c9b19b7973a278adeb9034c07e4..f20c5d8593f4701469be031f4a2928169f144423 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -559,6 +559,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_PAR_NO_VALID_FUNC_IN_WIN,       "Not valid function
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE,  "Only support single table")
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_INVALID_SMA_INDEX,          "Invalid sma index")
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_INVALID_SELECTED_EXPR,      "Invalid SELECTed expression")
+TAOS_DEFINE_ERROR(TSDB_CODE_PAR_GET_META_ERROR,             "Fail to get table info")
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_INTERNAL_ERROR,             "Parser internal error")
 
 //planner