增加性接口，修复登录错误

router/router.go

@@ -22,6 +22,7 @@ func Setup(engine *gin.Engine) {
 		checkin.GET("/list_activities", app.HandlerFunc(hub.ListActivities))
 		checkin.Use(middleware.JWT(1))
 		checkin.POST("/submit", app.HandlerFunc(hub.Submit))
+		checkin.GET("/get_my_activities_today", app.HandlerFunc(hub.GetMyActivitiesToday))
 		checkin.POST("/set_status", middleware.JWT(2), app.HandlerFunc(hub.SetStatus))
 		checkin.GET("/get_user_activity", middleware.JWT(2), app.HandlerFunc(hub.GetUserActivity))
 		checkin.GET("/list_user_activities", middleware.JWT(2), app.HandlerFunc(hub.ListUserActivities))