1:过期优惠券文字显示调整

lib/pages/user_coupon/view.dart

@@ -35,8 +35,9 @@ class _UserCouponPageState extends State<UserCouponPage> {
                         controller.getOverCoupons();
                       },
                       child: Container(
+                        alignment: Alignment.center,
                         height: 40.w,
-                        color: Colors.cyan,
+                        // color: Colors.cyan,
                         child: Text('过期优惠券'),
                       ),
                     );