add

frontend/asset_assistant/lib/pages/exchange_add_page.dart

@@ -17,7 +17,7 @@ class AddExchangePage extends StatelessWidget {
 
     return Scaffold(
       appBar: AppBar(
-        title: const Text('交易所'),
+        title: const Text('新增交易所'),
         centerTitle: true,
         elevation: 4,
         shadowColor: Colors.black12,
@@ -32,7 +32,7 @@ class AddExchangePage extends StatelessWidget {
         // 2. 右上角添加按钮（展示功能）
         actions: [
           IconButton(
-            icon: const Icon(Icons.add),
+            icon: const Icon(Icons.save),
             onPressed: () {
               // 暂为展示功能，可后续添加具体逻辑
             },

frontend/asset_assistant/lib/pages/exchange_page.dart

@@ -1,3 +1,4 @@
+import 'package:asset_assistant/pages/exchange_add_page.dart';
 import 'package:flutter/material.dart';
 
 class ExchangePage extends StatelessWidget {
@@ -34,7 +35,11 @@ class ExchangePage extends StatelessWidget {
           IconButton(
             icon: const Icon(Icons.add),
             onPressed: () {
-              // 暂为展示功能，可后续添加具体逻辑
+              // 跳转到AddExchangePage
+              Navigator.push(
+                context,
+                MaterialPageRoute(builder: (context) => AddExchangePage()),
+              );
             },
           ),
         ],