更改fohow user grouth 接口

go/gopath/src/fohow-statement-api/models/d5c_wx_user.go

@@ -287,7 +287,7 @@ func GetAllXcxUserCountByMonth(start, end time.Time, useCache bool) (monthFansLi
 
 		SELECT
 			count(*) AS c,
-			date_format(DATE_ADD(created_at, INTERVAL 8 HOUR),'%s') AS ym,,
+			date_format(DATE_ADD(created_at, INTERVAL 8 HOUR),'%s') AS ym,
 			date_format(DATE_ADD(created_at, INTERVAL 8 HOUR),'%s') AS m
 		FROM
 			wx_users