diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index e36a81b387fdfe911718323786c89cad27ce0bb9..22456782d0341c3ad35299dfa589870ec23bb85a 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -1511,7 +1511,6 @@ int32_t tscSetTableFullName(SName* pName, SStrToken* pTableName, SSqlObj* pSql,
   const char* msg4 = "db name too long";
   const char* msg5 = "table name too long";
   const char* msg6 = "table name empty";
-  const char* msg7 = "invalid table name";
 
   SSqlCmd* pCmd = &pSql->cmd;
   int32_t  code = TSDB_CODE_SUCCESS;
@@ -1576,15 +1575,6 @@ int32_t tscSetTableFullName(SName* pName, SStrToken* pTableName, SSqlObj* pSql,
     }
   }
 
-  if (code != 0) {
-    return code;
-  }
-
-  bool ret = taosIsKeyWordToken(pName->tname, (int32_t) strlen(pName->tname));
-  if (ret) {
-    code = invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg7);
-  }
-
   return code;
 }
 
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index c27ceac50cb24ddbd02cdc1b24bc645f1372e90e..5c6fb2dc751ee4325f00334079c15c5732b33021 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -3014,8 +3014,8 @@ int32_t tscValidateName(SStrToken* pToken, bool escapeEnabled, bool *dbIncluded)
 
       // single token, validate it
       if (len == pToken->n) {
-        if (strncmp(pToken->z, "string", len) == 0) {
-          return TSDB_CODE_SUCCESS;
+        if (taosIsKeyWordToken(pToken->z, (int32_t) pToken->n)) {
+          return TSDB_CODE_TSC_INVALID_OPERATION;
         }
 
         return validateQuoteToken(pToken, escapeEnabled, NULL);