diff --git a/route/group_power_r/group_rank.go b/route/group_power_r/group_rank.go
index 46753561b062aff9b2b5580b0feb438125ed1163..0c4230aad8444a9b8110004af7ae09125d917b83 100644
--- a/route/group_power_r/group_rank.go
+++ b/route/group_power_r/group_rank.go
@@ -337,7 +337,7 @@ func GroupPowerGradeDetail(c *gin.Context) (*mycontext.MyContext, error) {
 	}
 	expireAt := ""
 	if grade.ExpireAt.After(time.Now()) {
-		expireAt = grade.ExpireAt.Format("2006-01-02")
+		expireAt = grade.ExpireAt.Add(-time.Second).Format("2006-01-02") // 减少一秒格式化天
 	}
 	isMember := false
 	if exits, id, err := groupPower_m.CheckGroupPowerUser(model, userId); err != nil {