[TD-2149]<fix>: update the error message.

src/client/src/tscSQLParser.c

@@ -4598,7 +4598,7 @@ static void setDefaultOrderInfo(SQueryInfo* pQueryInfo) {
 int32_t parseOrderbyClause(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SQuerySQL* pQuerySql, SSchema* pSchema) {
   const char* msg0 = "only support order by primary timestamp";
   const char* msg1 = "invalid column name";
-  const char* msg2 = "only support order by primary timestamp or queried column";
+  const char* msg2 = "only support order by primary timestamp or first tag in groupby clause allowed";
   const char* msg3 = "invalid column in order by clause, only primary timestamp or first tag in groupby clause allowed";
 
   setDefaultOrderInfo(pQueryInfo);