diff --git a/src/client/inc/tsclient.h b/src/client/inc/tsclient.h
index 2490e3d7569dfb45b5c94bb9ba2fd67b6860c3f0..57a4cb29c19b23cabe85b390459081ccb29115dd 100644
--- a/src/client/inc/tsclient.h
+++ b/src/client/inc/tsclient.h
@@ -458,6 +458,7 @@ bool tscResultsetFetchCompleted(TAOS_RES *result);
 char *tscGetErrorMsgPayload(SSqlCmd *pCmd);
 
 int32_t tscInvalidSQLErrMsg(char *msg, const char *additionalInfo, const char *sql);
+int32_t tscSQLSyntaxErrMsg(char* msg, const char* additionalInfo,  const char* sql);
 
 int32_t tscToSQLCmd(SSqlObj *pSql, struct SSqlInfo *pInfo);
 
diff --git a/src/client/src/tscParseInsert.c b/src/client/src/tscParseInsert.c
index 47bfe0fcdcc0e0331e36e146627feea18bd31b2c..f214e91f457f541f8517fef3084611e092155cc9 100644
--- a/src/client/src/tscParseInsert.c
+++ b/src/client/src/tscParseInsert.c
@@ -180,7 +180,7 @@ int32_t tsParseOneColumnData(SSchema *pSchema, SStrToken *pToken, char *payload,
         } else if (strncasecmp(TSDB_DATA_NULL_STR_L, pToken->z, pToken->n) == 0) {
           *(uint8_t *)payload = TSDB_DATA_BOOL_NULL;
         } else {
-          return tscInvalidSQLErrMsg(msg, "invalid bool data", pToken->z);
+          return tscSQLSyntaxErrMsg(msg, "invalid bool data", pToken->z);
         }
       } else if (pToken->type == TK_INTEGER) {
         iv = strtoll(pToken->z, NULL, 10);
@@ -439,8 +439,8 @@ int tsParseOneRowData(char **str, STableDataBlocks *pDataBlocks, SSchema schema[
     int16_t type = sToken.type;
     if ((type != TK_NOW && type != TK_INTEGER && type != TK_STRING && type != TK_FLOAT && type != TK_BOOL &&
          type != TK_NULL && type != TK_HEX && type != TK_OCT && type != TK_BIN) || (sToken.n == 0) || (type == TK_RP)) {
-      tscInvalidSQLErrMsg(error, "invalid data or symbol", sToken.z);
-      *code = TSDB_CODE_TSC_INVALID_SQL;
+      tscSQLSyntaxErrMsg(error, "invalid data or symbol", sToken.z);
+      *code = TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
       return -1;
     }
 
@@ -472,7 +472,7 @@ int tsParseOneRowData(char **str, STableDataBlocks *pDataBlocks, SSchema schema[
     bool    isPrimaryKey = (colIndex == PRIMARYKEY_TIMESTAMP_COL_INDEX);
     int32_t ret = tsParseOneColumnData(pSchema, &sToken, start, error, str, isPrimaryKey, timePrec);
     if (ret != TSDB_CODE_SUCCESS) {
-      *code = TSDB_CODE_TSC_INVALID_SQL;
+      *code = TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
       return -1;  // NOTE: here 0 mean error!
     }
 
@@ -568,8 +568,8 @@ int tsParseValues(char **str, STableDataBlocks *pDataBlock, STableMeta *pTableMe
     sToken = tStrGetToken(*str, &index, false, 0, NULL);
     *str += index;
     if (sToken.n == 0 || sToken.type != TK_RP) {
-      tscInvalidSQLErrMsg(error, ") expected", *str);
-      *code = TSDB_CODE_TSC_INVALID_SQL;
+      tscSQLSyntaxErrMsg(error, ") expected", *str);
+      *code = TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
       return -1;
     }
 
@@ -578,7 +578,7 @@ int tsParseValues(char **str, STableDataBlocks *pDataBlock, STableMeta *pTableMe
 
   if (numOfRows <= 0) {
     strcpy(error, "no any data points");
-    *code = TSDB_CODE_TSC_INVALID_SQL;
+    *code = TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
     return -1;
   } else {
     return numOfRows;
@@ -943,7 +943,7 @@ static int32_t tscCheckIfCreateTable(char **sqlstr, SSqlObj *pSql) {
     sToken = tStrGetToken(sql, &index, false, 0, NULL);
     sql += index;
     if (sToken.n == 0 || sToken.type != TK_RP) {
-      return tscInvalidSQLErrMsg(pCmd->payload, ") expected", sToken.z);
+      return tscSQLSyntaxErrMsg(pCmd->payload, ") expected", sToken.z);
     }
 
     pCmd->payloadLen = sizeof(pTag->name) + sizeof(pTag->dataLen) + pTag->dataLen;
diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 3b1b87eddea146206b8d1cf2cf97cd3f0bd60b16..f27ce73f7f11a539fe25998b1f34c1feec6bfeca 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -190,7 +190,7 @@ int32_t tscToSQLCmd(SSqlObj* pSql, struct SSqlInfo* pInfo) {
 
   int32_t code = TSDB_CODE_SUCCESS;
   if (!pInfo->valid) {
-    return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), pInfo->pzErrMsg);
+    return tscSQLSyntaxErrMsg(tscGetErrorMsgPayload(pCmd), NULL, pInfo->pzErrMsg);
   }
 
   SQueryInfo* pQueryInfo = tscGetQueryInfoDetailSafely(pCmd, pCmd->clauseIndex);
diff --git a/src/client/src/tscSql.c b/src/client/src/tscSql.c
index f63923e046f889cf2f63c93fce37dacf0c858d09..1af53d3645cc9aba13d078f8c9796ff208ace4e8 100644
--- a/src/client/src/tscSql.c
+++ b/src/client/src/tscSql.c
@@ -597,11 +597,12 @@ int taos_errno(TAOS_RES *tres) {
 }
 
 /*
- * In case of invalid sql error, additional information is attached to explain
+ * In case of invalid sql/sql syntax error, additional information is attached to explain
  * why the sql is invalid
  */
 static bool hasAdditionalErrorInfo(int32_t code, SSqlCmd *pCmd) {
-  if (code != TSDB_CODE_TSC_INVALID_SQL) {
+  if (code != TSDB_CODE_TSC_INVALID_SQL
+      && code != TSDB_CODE_TSC_SQL_SYNTAX_ERROR) {
     return false;
   }
 
@@ -609,9 +610,11 @@ static bool hasAdditionalErrorInfo(int32_t code, SSqlCmd *pCmd) {
 
   char *z = NULL;
   if (len > 0) {
-    z = strstr(pCmd->payload, "invalid SQL");
+      z = strstr(pCmd->payload, "invalid SQL");
+      if (z == NULL) {
+        z = strstr(pCmd->payload, "syntax error");
+      }
   }
-
   return z != NULL;
 }
 
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 49f7c91397d793c6795a599078c1ea7b7e490de7..cb810ac69829fbd4fe60ce9af8098e44a81585b9 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -2029,10 +2029,37 @@ bool tscIsUpdateQuery(SSqlObj* pSql) {
   return ((pCmd->command >= TSDB_SQL_INSERT && pCmd->command <= TSDB_SQL_DROP_DNODE) || TSDB_SQL_USE_DB == pCmd->command);
 }
 
+int32_t tscSQLSyntaxErrMsg(char* msg, const char* additionalInfo,  const char* sql) {
+  const char* msgFormat1 = "syntax error near \'%s\'";
+  const char* msgFormat2 = "syntax error near \'%s\' (%s)";
+  const char* msgFormat3 = "%s";
+
+  const char* prefix = "syntax error"; 
+  const int32_t BACKWARD_CHAR_STEP = 0;
+
+  if (sql == NULL) {
+    assert(additionalInfo != NULL);
+    sprintf(msg, msgFormat1, additionalInfo);
+    return TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
+  }
+
+  char buf[64] = {0};  // only extract part of sql string
+  strncpy(buf, (sql - BACKWARD_CHAR_STEP), tListLen(buf) - 1);
+
+  if (additionalInfo != NULL) {
+    sprintf(msg, msgFormat2, buf, additionalInfo);
+  } else {
+    const char* msgFormat = (0 == strncmp(sql, prefix, strlen(prefix))) ? msgFormat3 : msgFormat1; 
+    sprintf(msg, msgFormat, buf);
+  }
+
+  return TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
+  
+}
 int32_t tscInvalidSQLErrMsg(char* msg, const char* additionalInfo, const char* sql) {
   const char* msgFormat1 = "invalid SQL: %s";
-  const char* msgFormat2 = "invalid SQL: syntax error near \"%s\" (%s)";
-  const char* msgFormat3 = "invalid SQL: syntax error near \"%s\"";
+  const char* msgFormat2 = "invalid SQL: \'%s\' (%s)";
+  const char* msgFormat3 = "invalid SQL: \'%s\'";
 
   const int32_t BACKWARD_CHAR_STEP = 0;
 
@@ -2258,4 +2285,4 @@ bool tscSetSqlOwner(SSqlObj* pSql) {
 void tscClearSqlOwner(SSqlObj* pSql) {
   assert(taosCheckPthreadValid(pSql->owner));
   atomic_store_64(&pSql->owner, 0);
-}
\ No newline at end of file
+}
diff --git a/src/inc/taoserror.h b/src/inc/taoserror.h
index 951c511022e5df1bf7e385cde526b177a12812ad..d8e5c8f1d748f09c67bd6827b9b9441a01b155c5 100644
--- a/src/inc/taoserror.h
+++ b/src/inc/taoserror.h
@@ -98,6 +98,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_TSC_ACTION_IN_PROGRESS,       0, 0x0212, "Action in
 TAOS_DEFINE_ERROR(TSDB_CODE_TSC_DISCONNECTED,             0, 0x0213, "Disconnected from service")
 TAOS_DEFINE_ERROR(TSDB_CODE_TSC_NO_WRITE_AUTH,            0, 0x0214, "No write permission")
 TAOS_DEFINE_ERROR(TSDB_CODE_TSC_CONN_KILLED,            0, 0x0215, "Connection killed")
+TAOS_DEFINE_ERROR(TSDB_CODE_TSC_SQL_SYNTAX_ERROR,            0, 0x0216, "Syntax errr in SQL")
 
 // mnode
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_MSG_NOT_PROCESSED,        0, 0x0300, "Message not processed")
diff --git a/tests/script/general/http/restful_full.sim b/tests/script/general/http/restful_full.sim
index 88e7dece4c939b6a935634cce40e41aff4512bb2..b7f98e49e06e6efa5f6adca372a2917c6e91ca21 100644
--- a/tests/script/general/http/restful_full.sim
+++ b/tests/script/general/http/restful_full.sim
@@ -119,7 +119,7 @@ endi
 
 system_content curl -H 'Authorization: Taosd /KfeAzX/f9na8qdtNZmtONryp201ma04bEl8LcvLUd7a8qdtNZmtONryp201ma04'  -d '  used1' 127.0.0.1:7111/rest/sql
 print 17-> $system_content
-if $system_content != @{"status":"error","code":512,"desc":"invalid SQL: invalid SQL: syntax error near 'used1'"}@ then
+if $system_content != @{"status":"error","code":534,"desc":"Syntax errr in SQL"}@ then
   return -1
 endi
 
@@ -230,4 +230,4 @@ if $system_content != @{"status":"succ","head":["ts","speed"],"data":[["2017-12-
   return -1
 endi
 
-system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file
+system sh/exec.sh -n dnode1 -s stop -x SIGINT