diff --git a/public/config.js b/public/config.js
index 7eb746b..0b0d293 100644
--- a/public/config.js
+++ b/public/config.js
@@ -1,7 +1,10 @@
 window.config = {
+  // 新闻中心
   baseUrl: 'http://192.168.3.10:9121/',
+  // 文件下载
   downloadUrl: 'https://work.rangutech.cn:1001/',
-  featureUrl: 'https://sys.rangutech.com/#/',
+  // 静态图片
   assetsUrl: 'https://insider.rangutech.com/app_static_data/images/',
-  // downloadUrl: 'http://192.168.3.5:9193/',
+  // 演示系统
+  featureUrl: 'http://192.168.3.32:5174/#/',
 }
diff --git a/src/views/download/index.vue b/src/views/download/index.vue
index bc81283..c5d7334 100644
--- a/src/views/download/index.vue
+++ b/src/views/download/index.vue
@@ -184,7 +184,14 @@ const openImg = (type) => {
       :showHover="false"
     >
       <div class="file-list">
-        <el-tree v-if="list && list.length" :data="list" :props="treeProps" accordion node-key="name">
+        <el-tree
+          v-if="list && list.length"
+          :data="list"
+          :props="treeProps"
+          accordion
+          node-key="name"
+          default-expand-all
+        >
           <template #default="{data}">
             <div class="tree-node">
               <!-- 文件夹图标 -->