diff --git a/business/jxstore/cms/store.go b/business/jxstore/cms/store.go
index 13fb27e8d..16f76fba7 100644
--- a/business/jxstore/cms/store.go
+++ b/business/jxstore/cms/store.go
@@ -3993,16 +3993,30 @@ func RefreshMTWMToken(ctx *jxcontext.Context) (err error) {
 	return err
 }
 
-func StoreConfirmAct(ctx *jxcontext.Context, msgStatusID int) (err error) {
+func StoreConfirmAct(ctx *jxcontext.Context, status, msgStatusID int) (err error) {
 	msgStatus := &model.MessageStatus{}
 	msgStatus.ID = msgStatusID
 	db := dao.GetDB()
 	if err = dao.GetEntity(db, msgStatus); err != nil {
 		return err
 	}
-	msgStatus.ReadCount++
-	msgStatus.ConfirmStatus = model.YES
+	if status == model.YES {
+		msg := &model.Message{}
+		msg.ID = msgStatus.MessageID
+		if err = dao.GetEntity(db, msg); err != nil {
+			return err
+		}
+		actMap := make(map[string]interface{})
+		err = json.Unmarshal([]byte(msg.ActInfo), &actMap)
+		if time.Now().Sub(utils.Str2Time(actMap["beginAt"].(string))) > 0 {
+			msgStatus.ConfirmStatus = -1
+			dao.WrapUpdateULEntity(msgStatus, ctx.GetUserName())
+			_, err = dao.UpdateEntity(db, msgStatus, "ConfirmStatus")
+			return fmt.Errorf("参与活动时间已过期！")
+		}
+	}
+	msgStatus.ConfirmStatus = status
 	dao.WrapUpdateULEntity(msgStatus, ctx.GetUserName())
-	_, err = dao.UpdateEntity(db, msgStatus, "ReadCount", "ConfirmStatus")
+	_, err = dao.UpdateEntity(db, msgStatus, "ConfirmStatus")
 	return err
 }
diff --git a/controllers/cms_store.go b/controllers/cms_store.go
index 071609cf4..8b9e61029 100644
--- a/controllers/cms_store.go
+++ b/controllers/cms_store.go
@@ -1042,13 +1042,14 @@ func (c *StoreController) GetBrandStore() {
 // @Title 商家确认参与活动
 // @Description 商家确认参与活动
 // @Param	token			header		string		false	"认证token"
+// @Param	status			formData	int			true	"确认或取消，确认1，取消-1"
 // @Param	msgStatusID		formData	int			true	"消息状态ID"
 // @Success 200 {object} controllers.CallResult
 // @Failure 200 {object} controllers.CallResult
 // @router /StoreConfirmAct [post]
 func (c *StoreController) StoreConfirmAct() {
 	c.callStoreConfirmAct(func(params *tStoreStoreConfirmActParams) (retVal interface{}, errCode string, err error) {
-		err = cms.StoreConfirmAct(params.Ctx, params.MsgStatusID)
+		err = cms.StoreConfirmAct(params.Ctx, params.Status, params.MsgStatusID)
 		return retVal, "", err
 	})
 }