增加性接口，修复登录错误

dao/checkin.go

@@ -102,3 +102,11 @@ func (c CheckinDAO) FindUserActivityExtendedByID(id int) *dto.UserActivityExtend
 	}
 	return &userActivityExtended
 }
+func (c CheckinDAO) FindUserActivitiesToday(userID int, day string) []po.UserActivity {
+	var userActivities []po.UserActivity
+	err := c.Tx.Find(&userActivities, "user_id=? and day=?", userID, day).Error
+	if err != nil {
+		panic(err)
+	}
+	return userActivities
+}