diff --git a/gather_new_user.py b/gather_new_user.py
index 032460b..f628f55 100644
--- a/gather_new_user.py
+++ b/gather_new_user.py
@@ -27,10 +27,13 @@ def get_last_time(gameid, channelid, ad_channel):
         last_time DESC      LIMIT 1"""
     data = mydb.query(sql)
     try:
-        last_time = data[0][0]
+        if not data:
+            last_time = "2019-09-02 00:00:00"
+        else:
+            last_time = data[0][0]
     except Exception:
         log.info("get last time form db failed!", exc_info=True)
-        last_time = "2019-09-02 00:00:00"
+        last_time = None
     return last_time
 
 
@@ -108,7 +111,9 @@ def run(gameid, channelid, ad_channel):
     last_time = get_last_time(gameid, channelid, ad_channel)
     try:
         last_time = last_time.strftime("%Y-%m-%d %H:%M:%S")
-    
+    except:
+        log.error(f"split times error ,{last_time}", exc_info=True)
+        raise Exception(f"split times error ,{last_time}")
     while comp_datetime(now, last_time):
         gather_data(last_time, gameid, channelid, ad_channel)
         last_time = (datetime.datetime.strptime(last_time, "%Y-%m-%d %H:%M:%S") + datetime.timedelta(minutes=TimeDelay)).strftime("%Y-%m-%d %H:%M:%S")