diff --git a/service/checkin.go b/service/checkin.go
index 14f686c..832fbb1 100644
--- a/service/checkin.go
+++ b/service/checkin.go
@@ -33,7 +33,7 @@ func (c CheckinService) SetStatus(aw *app.Wrapper) app.Result {
 	type SetStatusReq struct {
 		ID     int `form:"id" binding:"required"`
 		Status int `form:"status" binding:"required"`
-		Credit int `form:"credit" binding:"required,gte=1"`
+		Credit int `form:"credit"`
 	}
 	var req SetStatusReq
 	if err := aw.Ctx.ShouldBind(&req); err != nil {
@@ -50,6 +50,9 @@ func (c CheckinService) SetStatus(aw *app.Wrapper) app.Result {
 		return aw.Error("只能是 2通过，3拒绝")
 	}
 	if req.Status == 2 { // pass
+		if req.Credit < 1 {
+			return aw.Error("打分无效")
+		}
 		user := userDAO.FindUserByID(userActivity.UserID)
 		user.Credit += req.Credit
 		userDAO.SaveUser(user)