更新东华信息配置

lib/pages/main_bottom/follow_page.dart

@@ -86,10 +86,10 @@ class _FollowPageState extends State<FollowPage> {
                       // child: widget.webView,
                       decoration: BoxDecoration(
                         image: DecorationImage(
-                          image: AssetImage(AppConstants().ent_type == 1
-                              ? 'assets/img/followus.png'
-                              : "assets/img/huanshuiF.png"), // 本地图片
-                          fit: BoxFit.cover, // 填满整个 Container
+                          image: AssetImage(
+                            getFollowUsImage(AppConstants().ent_type),
+                          ),
+                          fit: BoxFit.cover,
                         ),
                       ),
                     ),
@@ -102,4 +102,15 @@ class _FollowPageState extends State<FollowPage> {
       ),
     );
   }
+
+  String getFollowUsImage(int entType) {
+    final Map<int, String> imageMap = {
+      1: 'assets/img/followus.png',
+      2: 'assets/img/huanshuiF.png',
+      4: 'assets/img/donghuaF.png',
+      // 后面继续加
+    };
+
+    return imageMap[entType] ?? 'assets/img/followus.png';
+  }
 }