1、修复图片地址固定，无法展示最新图片问题

lib/widget/image_widget.dart

+import 'dart:math';
+
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_clx_base/utils/image_utils.dart';
@@ -22,7 +24,9 @@ class ImageWidget {
     }
 
     return OctoImage(
-      image: CachedNetworkImageProvider(url ?? ""),
+      // 拼接Random，修复图片地址固定，无法展示最新图片问题
+      image:
+          CachedNetworkImageProvider("${url ?? ""}?${Random().nextDouble()}"),
       imageBuilder: MyOctoImageTransformer.getOctoImageBuilder(type),
       errorBuilder: ImageWidget.placeholderBuilder(errorWidget: placeholder),
       fit: fit,