diff --git a/src/client/src/tscParseInsert.c b/src/client/src/tscParseInsert.c
index f0824959b09ef41b4f4ede92373c6648868bf789..04ddee8e0570a94910700c42b05390b4a2706e00 100644
--- a/src/client/src/tscParseInsert.c
+++ b/src/client/src/tscParseInsert.c
@@ -908,6 +908,7 @@ static int32_t tscParseSqlForCreateTableOnDemand(char **sqlstr, SSqlObj *pSql) {
 
     createTable = true;
     code = tscGetMeterMetaEx(pSql, pMeterMetaInfo->name, true);
+    if (TSDB_CODE_ACTION_IN_PROGRESS == code) return code;
   } else {
     if (cstart != NULL) {
       sql = cstart;
@@ -1015,7 +1016,7 @@ int doParserInsertSql(SSqlObj *pSql, char *str) {
           tscTrace("async insert and waiting to get meter meta, then continue parse sql from offset: %" PRId64, pos);
           return code;
         }
-        tscTrace("async insert parse error, code:%d, %s", code, tsError[code]);
+        tscError("async insert parse error, code:%d, %s", code, tsError[code]);
         pSql->asyncTblPos = NULL;
         goto _error_clean;       // TODO: should _clean or _error_clean to async flow ????
       } else {
diff --git a/src/client/src/tscSystem.c b/src/client/src/tscSystem.c
index 6efe3447196d384548a97442419f0aa91c1b3c16..8f970b6114f39ad366d5b6401f61a166ba06d069 100644
--- a/src/client/src/tscSystem.c
+++ b/src/client/src/tscSystem.c
@@ -48,6 +48,7 @@ static pthread_once_t tscinit = PTHREAD_ONCE_INIT;
 extern int  tsTscEnableRecordSql;
 extern int  tsNumOfLogLines;
 void taosInitNote(int numOfNoteLines, int maxNotes, char* lable);
+void deltaToUtcInitOnce();
 
 void tscCheckDiskUsage(void *para, void *unused) {
   taosGetDisk();
@@ -60,6 +61,7 @@ void taos_init_imp() {
   SRpcInit    rpcInit;
 
   srand(taosGetTimestampSec());
+  deltaToUtcInitOnce();
 
   if (tscEmbedded == 0) {
     /*
diff --git a/src/inc/ttime.h b/src/inc/ttime.h
index eae24a56b529a5f3d837cdb2df9d60a3064da69f..34c241cbc0f22afc511660cee475c82d08466599 100644
--- a/src/inc/ttime.h
+++ b/src/inc/ttime.h
@@ -42,6 +42,7 @@ int64_t taosGetTimestamp(int32_t precision);
 int32_t getTimestampInUsFromStr(char* token, int32_t tokenlen, int64_t* ts);
 
 int32_t taosParseTime(char* timestr, int64_t* time, int32_t len, int32_t timePrec);
+void deltaToUtcInitOnce();
 
 #ifdef __cplusplus
 }
diff --git a/src/util/src/ttime.c b/src/util/src/ttime.c
index 05ba01979e7e4281f760bd1573de0675a8d03e66..64a4d0fb9e70993a36da47afabbf2b1676de01da 100644
--- a/src/util/src/ttime.c
+++ b/src/util/src/ttime.c
@@ -24,6 +24,61 @@
 #include "ttime.h"
 #include "tutil.h"
 
+
+// ==== mktime() kernel code =================//
+static int64_t m_deltaUtc = 0;
+void deltaToUtcInitOnce() {  
+  struct tm tm = {0};
+  
+  (void)strptime("1970-01-01 00:00:00", (const char *)("%Y-%m-%d %H:%M:%S"), &tm);
+  m_deltaUtc = (int64_t)mktime(&tm);
+  //printf("====delta:%lld\n\n", seconds);	
+  return;
+}
+
+int64_t user_mktime(struct tm * tm)
+{
+#define TAOS_MINUTE   60
+#define TAOS_HOUR     (60*TAOS_MINUTE)
+#define TAOS_DAY      (24*TAOS_HOUR)
+#define TAOS_YEAR     (365*TAOS_DAY)
+  
+static int month[12] = {
+  0,
+  TAOS_DAY*(31),
+  TAOS_DAY*(31+29),
+  TAOS_DAY*(31+29+31),
+  TAOS_DAY*(31+29+31+30),
+  TAOS_DAY*(31+29+31+30+31),
+  TAOS_DAY*(31+29+31+30+31+30),
+  TAOS_DAY*(31+29+31+30+31+30+31),
+  TAOS_DAY*(31+29+31+30+31+30+31+31),
+  TAOS_DAY*(31+29+31+30+31+30+31+31+30),
+  TAOS_DAY*(31+29+31+30+31+30+31+31+30+31),
+  TAOS_DAY*(31+29+31+30+31+30+31+31+30+31+30)
+};
+
+  int64_t res;
+  int     year;
+  
+  year= tm->tm_year - 70; 
+  res= TAOS_YEAR*year + TAOS_DAY*((year+1)/4);
+  res+= month[tm->tm_mon];
+  
+  if(tm->tm_mon > 1 && ((year+2)%4)) {  
+    res-= TAOS_DAY;
+  }
+  
+  res+= TAOS_DAY*(tm->tm_mday-1);  
+  res+= TAOS_HOUR*tm->tm_hour;  
+  res+= TAOS_MINUTE*tm->tm_min;  
+  res+= tm->tm_sec;
+  
+  return res + m_deltaUtc;
+
+}
+
+
 static int64_t parseFraction(char* str, char** end, int32_t timePrec);
 static int32_t parseTimeWithTz(char* timestr, int64_t* time, int32_t timePrec);
 static int32_t parseLocaltime(char* timestr, int64_t* time, int32_t timePrec);
@@ -238,6 +293,8 @@ int32_t parseLocaltime(char* timestr, int64_t* time, int32_t timePrec) {
 
   /* mktime will be affected by TZ, set by using taos_options */
   int64_t seconds = mktime(&tm);
+  //int64_t seconds = (int64_t)user_mktime(&tm);
+  
   int64_t fraction = 0;
 
   if (*str == '.') {