diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index b41078dfbf..b5389e60d3 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -744,6 +744,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_PAR_INVALID_VIEW_QUERY        TAOS_DEF_ERROR_CODE(0, 0x266C)
 #define TSDB_CODE_PAR_COL_QUERY_MISMATCH        TAOS_DEF_ERROR_CODE(0, 0x266D)
 #define TSDB_CODE_PAR_VIEW_CONFLICT_WITH_TABLE  TAOS_DEF_ERROR_CODE(0, 0x266E)
+#define TSDB_CODE_PAR_ORDERBY_AMBIGUOUS         TAOS_DEF_ERROR_CODE(0, 0x266F)
 #define TSDB_CODE_PAR_INTERNAL_ERROR            TAOS_DEF_ERROR_CODE(0, 0x26FF)
 
 //planner
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 4d7df17545..70e4744644 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -1085,21 +1085,31 @@ static EDealRes translateColumnWithoutPrefix(STranslateContext* pCxt, SColumnNod
 static EDealRes translateColumnUseAlias(STranslateContext* pCxt, SColumnNode** pCol, bool* pFound) {
   SNodeList* pProjectionList = getProjectListFromCurrStmt(pCxt->pCurrStmt);
   SNode*     pNode;
+  SNode*     pFoundNode = NULL;
+  *pFound = false;
   FOREACH(pNode, pProjectionList) {
     SExprNode* pExpr = (SExprNode*)pNode;
     if (0 == strcmp((*pCol)->colName, pExpr->userAlias)) {
-      SNode* pNew = nodesCloneNode(pNode);
-        if (NULL == pNew) {
-          pCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
-          return DEAL_RES_ERROR;
+      if (true == *pFound) {
+        if(nodesEqualNode(pFoundNode, pNode)) {
+          continue;
         }
-        nodesDestroyNode(*(SNode**)pCol);
-        *(SNode**)pCol = (SNode*)pNew;
-        *pFound = true;
-        return DEAL_RES_CONTINUE;
-    }   
+        pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_ORDERBY_AMBIGUOUS, (*pCol)->colName);
+        return DEAL_RES_ERROR;
+      }
+      *pFound = true;
+      pFoundNode = pNode;
+    }
+  }
+  if (*pFound) {
+    SNode* pNew = nodesCloneNode(pFoundNode);
+    if (NULL == pNew) {
+      pCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
+      return DEAL_RES_ERROR;
+    }
+    nodesDestroyNode(*(SNode**)pCol);
+    *(SNode**)pCol = (SNode*)pNew;
   }
-  *pFound = false;
   return DEAL_RES_CONTINUE;
 }
 
@@ -4499,13 +4509,12 @@ typedef struct SReplaceOrderByAliasCxt {
 
 static EDealRes replaceOrderByAliasImpl(SNode** pNode, void* pContext) {
   SReplaceOrderByAliasCxt* pCxt = pContext;
-  SNodeList* pProjectionList = pCxt->pProjectionList;
-  SNode*     pProject = NULL;
+  SNodeList*               pProjectionList = pCxt->pProjectionList;
+  SNode*                   pProject = NULL;
   if (QUERY_NODE_COLUMN == nodeType(*pNode)) {
     FOREACH(pProject, pProjectionList) {
       SExprNode* pExpr = (SExprNode*)pProject;
-      if (0 == strcmp(((SColumnRefNode*)*pNode)->colName, pExpr->userAlias)
-        && nodeType(*pNode) == nodeType(pProject)) {
+      if (0 == strcmp(((SColumnRefNode*)*pNode)->colName, pExpr->userAlias) && nodeType(*pNode) == nodeType(pProject)) {
         SNode* pNew = nodesCloneNode(pProject);
         if (NULL == pNew) {
           pCxt->pTranslateCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
@@ -4519,14 +4528,14 @@ static EDealRes replaceOrderByAliasImpl(SNode** pNode, void* pContext) {
     }
   } else if (QUERY_NODE_ORDER_BY_EXPR == nodeType(*pNode)) {
     STranslateContext* pTransCxt = pCxt->pTranslateCxt;
-    SNode* pExpr = ((SOrderByExprNode*)*pNode)->pExpr;
-        if (QUERY_NODE_VALUE == nodeType(pExpr)) {
+    SNode*             pExpr = ((SOrderByExprNode*)*pNode)->pExpr;
+    if (QUERY_NODE_VALUE == nodeType(pExpr)) {
       SValueNode* pVal = (SValueNode*)pExpr;
       if (DEAL_RES_ERROR == translateValue(pTransCxt, pVal)) {
         return pTransCxt->errCode;
       }
       int32_t pos = getPositionValue(pVal);
-      if ( 0 < pos && pos <= LIST_LENGTH(pProjectionList)) {
+      if (0 < pos && pos <= LIST_LENGTH(pProjectionList)) {
         SNode* pNew = nodesCloneNode(nodesListGetNode(pProjectionList, pos - 1));
         if (NULL == pNew) {
           pCxt->pTranslateCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
diff --git a/source/libs/parser/src/parUtil.c b/source/libs/parser/src/parUtil.c
index 26e6111074..dfe33ce55e 100644
--- a/source/libs/parser/src/parUtil.c
+++ b/source/libs/parser/src/parUtil.c
@@ -190,6 +190,8 @@ static char* getSyntaxErrFormat(int32_t errCode) {
       return "invalid ip range";
     case TSDB_CODE_OUT_OF_MEMORY:
       return "Out of memory";
+    case TSDB_CODE_PAR_ORDERBY_AMBIGUOUS:
+      return "ORDER BY \"%s\" is ambiguous";
     default:
       return "Unknown error";
   }
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index 360689cef3..79b9e9bbed 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -101,8 +101,8 @@ TAOS_DEFINE_ERROR(TSDB_CODE_APP_IS_STARTING,              "Database is starting
 TAOS_DEFINE_ERROR(TSDB_CODE_APP_IS_STOPPING,              "Database is closing down")
 TAOS_DEFINE_ERROR(TSDB_CODE_INVALID_DATA_FMT,             "Invalid data format")
 TAOS_DEFINE_ERROR(TSDB_CODE_INVALID_CFG_VALUE,            "Invalid configuration value")
-TAOS_DEFINE_ERROR(TSDB_CODE_IP_NOT_IN_WHITE_LIST,          "Not allowed to connect")
-TAOS_DEFINE_ERROR(TSDB_CODE_FAILED_TO_CONNECT_S3,          "Failed to connect to s3 server")
+TAOS_DEFINE_ERROR(TSDB_CODE_IP_NOT_IN_WHITE_LIST,         "Not allowed to connect")
+TAOS_DEFINE_ERROR(TSDB_CODE_FAILED_TO_CONNECT_S3,         "Failed to connect to s3 server")
 
 //client
 TAOS_DEFINE_ERROR(TSDB_CODE_TSC_INVALID_OPERATION,        "Invalid operation")
diff --git a/tests/script/tsim/parser/condition_query.sim b/tests/script/tsim/parser/condition_query.sim
index d9bfcb8074..660e91dbfd 100644
--- a/tests/script/tsim/parser/condition_query.sim
+++ b/tests/script/tsim/parser/condition_query.sim
@@ -1505,7 +1505,7 @@ if $data10 != @21-05-05 18:19:21.000@ then
   return -1
 endi
 
-sql select a.ts,b.ts,a.c1,b.u1,b.u2 from (select * from stb1) a, (select * from stb2) b where a.ts=b.ts and (a.c1 < 10 or a.c1 > 30) and (b.u1 < 5 or b.u1 > 5) order by ts;
+sql select a.ts,b.ts,a.c1,b.u1,b.u2 from (select * from stb1) a, (select * from stb2) b where a.ts=b.ts and (a.c1 < 10 or a.c1 > 30) and (b.u1 < 5 or b.u1 > 5) order by a.ts;
 if $rows != 4 then
   return -1
 endi
@@ -1521,8 +1521,9 @@ endi
 if $data30 != @21-05-05 18:19:14.000@ then
   return -1
 endi
+sql_error select a.ts,b.ts,a.c1,b.u1,b.u2 from (select * from stb1) a, (select * from stb2) b where a.ts=b.ts and (a.c1 < 10 or a.c1 > 30) and (b.u1 < 5 or b.u1 > 5) order by ts;
 
-sql select a.ts,b.ts,a.c1,b.u1,b.u2 from (select * from stb1) a, (select * from stb2) b where a.ts=b.ts and a.c1 < 30 and b.u1 > 1 and a.c1 > 10 and b.u1 < 8 and b.u1<>5 order by ts;
+sql select a.ts,b.ts,a.c1,b.u1,b.u2 from (select * from stb1) a, (select * from stb2) b where a.ts=b.ts and a.c1 < 30 and b.u1 > 1 and a.c1 > 10 and b.u1 < 8 and b.u1<>5 order by a.ts;
 if $rows != 3 then
   return -1
 endi
@@ -1535,6 +1536,8 @@ endi
 if $data20 != @21-05-05 18:19:10.000@ then
   return -1
 endi
+sql_error select a.ts,b.ts,a.c1,b.u1,b.u2 from (select * from stb1) a, (select * from stb2) b where a.ts=b.ts and a.c1 < 30 and b.u1 > 1 and a.c1 > 10 and b.u1 < 8 and b.u1<>5 order by ts;
+sql select a.ts,a.ts,a.c1,b.u1,b.u2 from (select * from stb1) a, (select * from stb2) b where a.ts=b.ts and a.c1 < 30 and b.u1 > 1 and a.c1 > 10 and b.u1 < 8 and b.u1<>5 order by ts;
 
 sql select * from stb1 where c1 is null and c1 is not null;
 if $rows != 0 then
@@ -2469,7 +2472,7 @@ endi
 if $data10 != @21-05-05 18:19:05.000@ then
   return -1
 endi
-sql select tb1.ts,tb1.*,tb2_1.* from tb1, tb2_1 where tb1.ts=tb2_1.ts and tb1.ts > '2021-05-05 18:19:03.000' and tb2_1.u1 < 5 order by ts;
+sql select tb1.ts,tb1.*,tb2_1.* from tb1, tb2_1 where tb1.ts=tb2_1.ts and tb1.ts > '2021-05-05 18:19:03.000' and tb2_1.u1 < 5 order by tb1.ts;
 if $rows != 2 then
   return -1
 endi
@@ -2480,7 +2483,7 @@ if $data10 != @21-05-05 18:19:06.000@ then
   return -1
 endi
 
-sql select tb1.ts,tb1.*,tb2_1.* from tb1, tb2_1 where tb1.ts=tb2_1.ts and tb1.ts >= '2021-05-05 18:19:03.000' and tb1.c7=false and tb2_1.u3>4 order by ts;
+sql select tb1.ts,tb1.*,tb2_1.* from tb1, tb2_1 where tb1.ts=tb2_1.ts and tb1.ts >= '2021-05-05 18:19:03.000' and tb1.c7=false and tb2_1.u3>4 order by tb1.ts;
 if $rows != 2 then
   return -1
 endi
@@ -2491,7 +2494,7 @@ if $data10 != @21-05-05 18:19:07.000@ then
   return -1
 endi
 
-sql select stb1.ts,stb1.c1,stb1.t1,stb2.ts,stb2.u1,stb2.t4 from stb1, stb2 where stb1.ts=stb2.ts and stb1.t1 = stb2.t4 order by ts;
+sql select stb1.ts,stb1.c1,stb1.t1,stb2.ts,stb2.u1,stb2.t4 from stb1, stb2 where stb1.ts=stb2.ts and stb1.t1 = stb2.t4 order by stb1.ts;
 if $rows != 9 then
   return -1
 endi
@@ -2523,7 +2526,7 @@ if $data80 != @21-05-05 18:19:11.000@ then
   return -1
 endi
 
-sql select stb1.ts,stb1.c1,stb1.t1,stb2.ts,stb2.u1,stb2.t4 from stb1, stb2 where stb1.ts=stb2.ts and stb1.t1 = stb2.t4 and stb1.c1 > 2 and stb2.u1 <=4 order by ts;
+sql select stb1.ts,stb1.c1,stb1.t1,stb2.ts,stb2.u1,stb2.t4 from stb1, stb2 where stb1.ts=stb2.ts and stb1.t1 = stb2.t4 and stb1.c1 > 2 and stb2.u1 <=4 order by stb1.ts;
 if $rows != 3 then
   return -1
 endi
diff --git a/tests/script/tsim/valgrind/checkError8.sim b/tests/script/tsim/valgrind/checkError8.sim
index 2f204768eb..3942765eb7 100644
--- a/tests/script/tsim/valgrind/checkError8.sim
+++ b/tests/script/tsim/valgrind/checkError8.sim
@@ -129,10 +129,10 @@ sql select a.ts,a.c1,a.c8 from (select * from stb1 where c7=true) a, (select * f
 sql select * from stb1 where (c6 > 3.0 or c6 < 60) and c6 > 50 and (c6 != 53 or c6 != 63);;
 sql select ts,c1 from stb1 where (c1 > 60 or c1 < 10 or (c1 > 20 and c1 < 30)) and ts > '2021-05-05 18:19:00.000' and ts < '2021-05-05 18:19:25.000' and c1 != 21 and c1 != 22 order by ts;
 sql select a.* from (select * from stb1 where c7=true) a, (select * from stb1 where c1 > 30) b where a.ts=b.ts and a.c1 > 50 order by ts;;
-sql select a.ts,b.ts,a.c1,b.u1,b.u2 from (select * from stb1) a, (select * from stb2) b where a.ts=b.ts and (a.c1 < 10 or a.c1 > 30) and (b.u1 < 5 or b.u1 > 5) order by ts;;
-sql select a.ts,b.ts,a.c1,b.u1,b.u2 from (select * from stb1) a, (select * from stb2) b where a.ts=b.ts and a.c1 < 30 and b.u1 > 1 and a.c1 > 10 and b.u1 < 8 and b.u1<>5 order by ts;;
-sql select tb1.ts,tb1.*,tb2_1.* from tb1, tb2_1 where tb1.ts=tb2_1.ts and tb1.ts >= '2021-05-05 18:19:03.000' and tb1.c7=false and tb2_1.u3>4 order by ts;;
-sql select stb1.ts,stb1.c1,stb1.t1,stb2.ts,stb2.u1,stb2.t4 from stb1, stb2 where stb1.ts=stb2.ts and stb1.t1 = stb2.t4 order by ts;;
+sql select a.ts,b.ts,a.c1,b.u1,b.u2 from (select * from stb1) a, (select * from stb2) b where a.ts=b.ts and (a.c1 < 10 or a.c1 > 30) and (b.u1 < 5 or b.u1 > 5) order by a.ts;;
+sql select a.ts,b.ts,a.c1,b.u1,b.u2 from (select * from stb1) a, (select * from stb2) b where a.ts=b.ts and a.c1 < 30 and b.u1 > 1 and a.c1 > 10 and b.u1 < 8 and b.u1<>5 order by a.ts;;
+sql select tb1.ts,tb1.*,tb2_1.* from tb1, tb2_1 where tb1.ts=tb2_1.ts and tb1.ts >= '2021-05-05 18:19:03.000' and tb1.c7=false and tb2_1.u3>4 order by tb1.ts;;
+sql select stb1.ts,stb1.c1,stb1.t1,stb2.ts,stb2.u1,stb2.t4 from stb1, stb2 where stb1.ts=stb2.ts and stb1.t1 = stb2.t4 order by stb1.ts;;
 sql select count(*) from stb1 where tbname like 'tb%' or c1 > 0;;
 sql select * from stb1 where tbname like 'tb%' and (t1=1 or t2=2 or t3=3) and t1 > 2 order by ts;;