- weixin msg added.

- elm sometimes have no delivery msg
- elm sometimes delivery msg arrvied before finished pickup
- the gap between finished pickup and first delivery msg is big

globals/api/api.go

@@ -11,7 +11,6 @@ import (
 	"github.com/astaxie/beego"
 
 	"github.com/astaxie/beego/orm"
-	_ "github.com/go-sql-driver/mysql" // import your used driver
 )
 
 var (