diff --git a/mini/components/version-badge/version-badge.js b/mini/components/version-badge/version-badge.js
new file mode 100644
index 0000000..391da78
--- /dev/null
+++ b/mini/components/version-badge/version-badge.js
@@ -0,0 +1,46 @@
+/**
+ * 版本号显示组件
+ * 使用方法：
+ * <version-badge />
+ */
+
+const versionInfo = require('../../utils/version.js');
+
+Component({
+  properties: {
+    // 是否显示详细信息（构建编号、commit SHA）
+    showDetail: {
+      type: Boolean,
+      value: false
+    },
+    // 是否显示构建时间
+    showTime: {
+      type: Boolean,
+      value: false
+    }
+  },
+
+  data: {
+    version: versionInfo.version,
+    buildNumber: versionInfo.buildNumber,
+    buildTime: versionInfo.buildTime,
+    commitSha: versionInfo.commitSha
+  },
+
+  lifetimes: {
+    attached() {
+      // 格式化构建时间
+      if (this.data.buildTime && this.data.buildTime !== 'unknown') {
+        const date = new Date(this.data.buildTime);
+        const formatted = date.toLocaleString('zh-CN', {
+          year: 'numeric',
+          month: '2-digit',
+          day: '2-digit',
+          hour: '2-digit',
+          minute: '2-digit'
+        });
+        this.setData({ formattedTime: formatted });
+      }
+    }
+  }
+});
diff --git a/mini/components/version-badge/version-badge.json b/mini/components/version-badge/version-badge.json
new file mode 100644
index 0000000..a89ef4d
--- /dev/null
+++ b/mini/components/version-badge/version-badge.json
@@ -0,0 +1,4 @@
+{
+  "component": true,
+  "usingComponents": {}
+}
diff --git a/mini/components/version-badge/version-badge.wxml b/mini/components/version-badge/version-badge.wxml
new file mode 100644
index 0000000..2512230
--- /dev/null
+++ b/mini/components/version-badge/version-badge.wxml
@@ -0,0 +1,6 @@
+<view class="version-badge">
+  <text class="version-text">v{{version}}</text>
+  <text class="version-detail" wx:if="{{showDetail && buildNumber !== '0'}}">#{{buildNumber}}</text>
+  <text class="version-detail" wx:if="{{showDetail && commitSha !== 'unknown'}}">({{commitSha}})</text>
+  <text class="version-time" wx:if="{{showTime && formattedTime}}">{{formattedTime}}</text>
+</view>
diff --git a/mini/components/version-badge/version-badge.wxss b/mini/components/version-badge/version-badge.wxss
new file mode 100644
index 0000000..17d273a
--- /dev/null
+++ b/mini/components/version-badge/version-badge.wxss
@@ -0,0 +1,22 @@
+.version-badge {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  font-size: 12px;
+  color: #9E8E7E;
+}
+
+.version-text {
+  font-weight: 500;
+}
+
+.version-detail {
+  font-size: 11px;
+  opacity: 0.8;
+}
+
+.version-time {
+  font-size: 11px;
+  opacity: 0.6;
+  margin-left: 4px;
+}
diff --git a/mini/utils/request.js b/mini/utils/request.js
index c14cdf0..a900f86 100644
--- a/mini/utils/request.js
+++ b/mini/utils/request.js
@@ -1,5 +1,23 @@
 // 网络请求封装
-const BASE_URL = 'http://localhost:8080'; // 开发环境
+// 按小程序运行环境自动切换后端地址：
+// - develop（开发者工具）：本地开发服务
+// - trial/release（体验版/正式版）：生产域名（需在微信公众平台配置为 request 合法域名）
+const API_HOSTS = {
+  develop: 'http://localhost:8080',
+  trial: 'https://lunar.neatcn.com',
+  release: 'https://lunar.neatcn.com',
+};
+
+function resolveBaseUrl() {
+  try {
+    const envVersion = wx.getAccountInfoSync().miniProgram.envVersion;
+    return API_HOSTS[envVersion] || API_HOSTS.release;
+  } catch (e) {
+    return API_HOSTS.release;
+  }
+}
+
+const BASE_URL = resolveBaseUrl();
 
 // 请求拦截器
 function request(options) {
@@ -20,8 +38,8 @@ function request(options) {
         if (res.statusCode === 200) {
           resolve(res.data);
         } else if (res.statusCode === 401) {
-          // 未授权，跳转登录
-          wx.navigateTo({ url: '/pages/settings/settings' });
+          // 未授权：清除失效 token，由页面引导重新登录
+          wx.removeStorageSync('token');
           reject(new Error('未授权'));
         } else {
           reject(new Error(res.data.msg || '请求失败'));