fix: 会员状态/订单支付时间显示（gtime.Format 需用 Y-m-d H:i:s 令牌，原输出字面量）

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

styleagent/controller/member_controller.go

@@ -57,7 +57,7 @@ func (c *member) OrderStatus(ctx context.Context, req *dto.MemberOrderStatusReq)
 	}
 	paidAt := ""
 	if order.PaidAt != nil {
-		paidAt = order.PaidAt.Format("2006-01-02 15:04:05")
+		paidAt = order.PaidAt.Format("Y-m-d H:i:s")
 	}
 	return &dto.MemberOrderStatusRes{Status: order.Status, TradeNo: order.TradeNo, PaidAt: paidAt}, nil
 }

styleagent/service/member_service.go

@@ -41,7 +41,7 @@ func (s *memberService) Status(ctx context.Context, userId int64) (*MemberStatus
 		return st, nil
 	}
 	st.IsVip = true
-	st.ExpireAt = um.ExpireAt.Format("2006-01-02 15:04:05")
+	st.ExpireAt = um.ExpireAt.Format("Y-m-d H:i:s")
 	if plan, _ := dao.MemberPlan.GetOne(ctx, um.PlanId); plan != nil {
 		st.PlanName = plan.Name
 		st.Benefits = parseBenefits(plan.Features)