diff --git a/pages/profile/index.js b/pages/profile/index.js
index d161af4..0e5d1bf 100644
--- a/pages/profile/index.js
+++ b/pages/profile/index.js
@@ -108,9 +108,10 @@ Page({
     if (userType && userType !== '') {
       let identityLabel = '身份:not_set'
       switch (userType) {
-        case 'buyer': identityLabel = '身份:buyer'; break
-        case 'seller': identityLabel = '身份:seller'; break
-        case 'both': identityLabel = '身份:buyer+seller'; break
+        case 'buyer': identityLabel = '身份:买家'; break
+        case 'seller': identityLabel = '身份:卖家'; break
+        case 'both': identityLabel = '身份:买卖家'; break
+        case 'buyer+seller': identityLabel = '身份:买卖家'; break
       }
       filteredTags.push(identityLabel)
       console.log('加载用户信息 - 根据当前用户类型显示身份标签:', identityLabel)
@@ -220,9 +221,15 @@ Page({
     this.updateUserTags(userId, serverType)
   },
 
-  // 格式化用户类型显示 - 直接返回数据库中的type字段值
+  // 格式化用户类型显示
   formatUserType(type) {
-    return type || 'not_set'
+    switch (type) {
+      case 'buyer': return '买家';
+      case 'seller': return '卖家';
+      case 'both': return '买卖家';
+      case 'buyer+seller': return '买卖家';
+      default: return type || 'not_set';
+    }
   },
 
   // 设置为买家
diff --git a/pages/seller/index.js b/pages/seller/index.js
index 2e90c56..66af0ba 100644
--- a/pages/seller/index.js
+++ b/pages/seller/index.js
@@ -3565,7 +3565,7 @@ Page({
   contactCustomerService() {
     wx.showModal({
       title: '客服电话',
-      content: '123456',
+      content: '18140203880',
       showCancel: true,
       cancelText: '取消',
       confirmText: '拨打',
diff --git a/pages/test-tools/api-test.js b/pages/test-tools/api-test.js
new file mode 100644
index 0000000..5ab8317
--- /dev/null
+++ b/pages/test-tools/api-test.js
@@ -0,0 +1,66 @@
+// pages/test-tools/api-test.js
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad(options) {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面初次渲染完成
+   */
+  onReady() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面显示
+   */
+  onShow() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面隐藏
+   */
+  onHide() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面卸载
+   */
+  onUnload() {
+
+  },
+
+  /**
+   * 页面相关事件处理函数--监听用户下拉动作
+   */
+  onPullDownRefresh() {
+
+  },
+
+  /**
+   * 页面上拉触底事件的处理函数
+   */
+  onReachBottom() {
+
+  },
+
+  /**
+   * 用户点击右上角分享
+   */
+  onShareAppMessage() {
+
+  }
+})
\ No newline at end of file
diff --git a/pages/test-tools/api-test.wxml b/pages/test-tools/api-test.wxml
new file mode 100644
index 0000000..52cc2b5
--- /dev/null
+++ b/pages/test-tools/api-test.wxml
@@ -0,0 +1,2 @@
+<!--pages/test-tools/api-test.wxml-->
+<text>pages/test-tools/api-test.wxml</text>
\ No newline at end of file
diff --git a/pages/test-tools/clear-storage.js b/pages/test-tools/clear-storage.js
new file mode 100644
index 0000000..8106aaa
--- /dev/null
+++ b/pages/test-tools/clear-storage.js
@@ -0,0 +1,66 @@
+// pages/test-tools/clear-storage.js
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad(options) {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面初次渲染完成
+   */
+  onReady() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面显示
+   */
+  onShow() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面隐藏
+   */
+  onHide() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面卸载
+   */
+  onUnload() {
+
+  },
+
+  /**
+   * 页面相关事件处理函数--监听用户下拉动作
+   */
+  onPullDownRefresh() {
+
+  },
+
+  /**
+   * 页面上拉触底事件的处理函数
+   */
+  onReachBottom() {
+
+  },
+
+  /**
+   * 用户点击右上角分享
+   */
+  onShareAppMessage() {
+
+  }
+})
\ No newline at end of file
diff --git a/pages/test-tools/clear-storage.wxml b/pages/test-tools/clear-storage.wxml
new file mode 100644
index 0000000..f03c1cd
--- /dev/null
+++ b/pages/test-tools/clear-storage.wxml
@@ -0,0 +1,2 @@
+<!--pages/test-tools/clear-storage.wxml-->
+<text>pages/test-tools/clear-storage.wxml</text>
\ No newline at end of file
diff --git a/pages/test-tools/connection-test.js b/pages/test-tools/connection-test.js
new file mode 100644
index 0000000..2d1276a
--- /dev/null
+++ b/pages/test-tools/connection-test.js
@@ -0,0 +1,66 @@
+// pages/test-tools/connection-test.js
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad(options) {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面初次渲染完成
+   */
+  onReady() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面显示
+   */
+  onShow() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面隐藏
+   */
+  onHide() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面卸载
+   */
+  onUnload() {
+
+  },
+
+  /**
+   * 页面相关事件处理函数--监听用户下拉动作
+   */
+  onPullDownRefresh() {
+
+  },
+
+  /**
+   * 页面上拉触底事件的处理函数
+   */
+  onReachBottom() {
+
+  },
+
+  /**
+   * 用户点击右上角分享
+   */
+  onShareAppMessage() {
+
+  }
+})
\ No newline at end of file
diff --git a/pages/test-tools/connection-test.wxml b/pages/test-tools/connection-test.wxml
new file mode 100644
index 0000000..f6f0398
--- /dev/null
+++ b/pages/test-tools/connection-test.wxml
@@ -0,0 +1,2 @@
+<!--pages/test-tools/connection-test.wxml-->
+<text>pages/test-tools/connection-test.wxml</text>
\ No newline at end of file
diff --git a/pages/test-tools/fix-connection.js b/pages/test-tools/fix-connection.js
new file mode 100644
index 0000000..e00ffd0
--- /dev/null
+++ b/pages/test-tools/fix-connection.js
@@ -0,0 +1,66 @@
+// pages/test-tools/fix-connection.js
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad(options) {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面初次渲染完成
+   */
+  onReady() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面显示
+   */
+  onShow() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面隐藏
+   */
+  onHide() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面卸载
+   */
+  onUnload() {
+
+  },
+
+  /**
+   * 页面相关事件处理函数--监听用户下拉动作
+   */
+  onPullDownRefresh() {
+
+  },
+
+  /**
+   * 页面上拉触底事件的处理函数
+   */
+  onReachBottom() {
+
+  },
+
+  /**
+   * 用户点击右上角分享
+   */
+  onShareAppMessage() {
+
+  }
+})
\ No newline at end of file
diff --git a/pages/test-tools/fix-connection.wxml b/pages/test-tools/fix-connection.wxml
new file mode 100644
index 0000000..a9e8c39
--- /dev/null
+++ b/pages/test-tools/fix-connection.wxml
@@ -0,0 +1,2 @@
+<!--pages/test-tools/fix-connection.wxml-->
+<text>pages/test-tools/fix-connection.wxml</text>
\ No newline at end of file
diff --git a/pages/test-tools/gross-weight-tester.js b/pages/test-tools/gross-weight-tester.js
new file mode 100644
index 0000000..34bee83
--- /dev/null
+++ b/pages/test-tools/gross-weight-tester.js
@@ -0,0 +1,66 @@
+// pages/test-tools/gross-weight-tester.js
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad(options) {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面初次渲染完成
+   */
+  onReady() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面显示
+   */
+  onShow() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面隐藏
+   */
+  onHide() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面卸载
+   */
+  onUnload() {
+
+  },
+
+  /**
+   * 页面相关事件处理函数--监听用户下拉动作
+   */
+  onPullDownRefresh() {
+
+  },
+
+  /**
+   * 页面上拉触底事件的处理函数
+   */
+  onReachBottom() {
+
+  },
+
+  /**
+   * 用户点击右上角分享
+   */
+  onShareAppMessage() {
+
+  }
+})
\ No newline at end of file
diff --git a/pages/test-tools/gross-weight-tester.wxml b/pages/test-tools/gross-weight-tester.wxml
new file mode 100644
index 0000000..be81f4b
--- /dev/null
+++ b/pages/test-tools/gross-weight-tester.wxml
@@ -0,0 +1,2 @@
+<!--pages/test-tools/gross-weight-tester.wxml-->
+<text>pages/test-tools/gross-weight-tester.wxml</text>
\ No newline at end of file
diff --git a/pages/test-tools/phone-test.js b/pages/test-tools/phone-test.js
new file mode 100644
index 0000000..d7319c4
--- /dev/null
+++ b/pages/test-tools/phone-test.js
@@ -0,0 +1,66 @@
+// pages/test-tools/phone-test.js
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad(options) {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面初次渲染完成
+   */
+  onReady() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面显示
+   */
+  onShow() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面隐藏
+   */
+  onHide() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面卸载
+   */
+  onUnload() {
+
+  },
+
+  /**
+   * 页面相关事件处理函数--监听用户下拉动作
+   */
+  onPullDownRefresh() {
+
+  },
+
+  /**
+   * 页面上拉触底事件的处理函数
+   */
+  onReachBottom() {
+
+  },
+
+  /**
+   * 用户点击右上角分享
+   */
+  onShareAppMessage() {
+
+  }
+})
\ No newline at end of file
diff --git a/pages/test-tools/phone-test.wxml b/pages/test-tools/phone-test.wxml
new file mode 100644
index 0000000..1e321e5
--- /dev/null
+++ b/pages/test-tools/phone-test.wxml
@@ -0,0 +1,2 @@
+<!--pages/test-tools/phone-test.wxml-->
+<text>pages/test-tools/phone-test.wxml</text>
\ No newline at end of file
diff --git a/pages/test-tools/test-mode-switch.js b/pages/test-tools/test-mode-switch.js
new file mode 100644
index 0000000..f7df78b
--- /dev/null
+++ b/pages/test-tools/test-mode-switch.js
@@ -0,0 +1,139 @@
+// pages/test-tools/test-mode-switch.js
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+    isDarkMode: false,
+    isHighContrast: false
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad(options) {
+    // 从本地存储获取当前模式设置
+    const darkMode = wx.getStorageSync('isDarkMode') || false
+    const highContrast = wx.getStorageSync('isHighContrast') || false
+    this.setData({
+      isDarkMode: darkMode,
+      isHighContrast: highContrast
+    })
+    this.applyModeSettings()
+  },
+
+  /**
+   * 切换深色/浅色模式
+   */
+  toggleDarkMode(e) {
+    const isDarkMode = e.detail.value
+    this.setData({ isDarkMode })
+    wx.setStorageSync('isDarkMode', isDarkMode)
+    this.applyModeSettings()
+  },
+
+  /**
+   * 切换高对比度模式
+   */
+  toggleHighContrast(e) {
+    const isHighContrast = e.detail.value
+    this.setData({ isHighContrast })
+    wx.setStorageSync('isHighContrast', isHighContrast)
+    this.applyModeSettings()
+  },
+
+  /**
+   * 应用模式设置
+   */
+  applyModeSettings() {
+    const { isDarkMode, isHighContrast } = this.data
+    
+    // 创建或删除高对比度样式
+    this.createOrRemoveHighContrastStyle(isHighContrast)
+    
+    // 更新窗口背景和导航栏样式
+    this.updateWindowStyle(isDarkMode)
+    
+    console.log(`黑白测试模式设置: 深色模式=${isDarkMode}, 高对比度=${isHighContrast}`)
+    wx.showToast({
+      title: '模式已更新',
+      icon: 'success'
+    })
+  },
+
+  /**
+   * 创建或删除高对比度样式
+   */
+  createOrRemoveHighContrastStyle(enable) {
+    // 移除旧的高对比度样式
+    const oldStyle = wx.createSelectorQuery().select('#highContrastStyle')
+    oldStyle.context((res) => {
+      if (res.context) {
+        wx.removeStyleSheet('#highContrastStyle')
+      }
+    })
+    
+    if (enable) {
+      // 创建高对比度样式
+      const styleContent = `
+        /* 高对比度样式 */
+        * {
+          filter: grayscale(100%) contrast(120%) !important;
+        }
+        
+        /* 确保文字可读性 */
+        text, span, div, p {
+          color: #000 !important;
+          background-color: #fff !important;
+        }
+        
+        /* 按钮和交互元素 */
+        button, .btn {
+          border: 2px solid #000 !important;
+          color: #000 !important;
+          background-color: #fff !important;
+        }
+      `
+      
+      // 动态添加样式
+      const styleSheet = document.createElement('style')
+      styleSheet.id = 'highContrastStyle'
+      styleSheet.textContent = styleContent
+      document.head.appendChild(styleSheet)
+    }
+  },
+
+  /**
+   * 更新窗口样式
+   */
+  updateWindowStyle(isDarkMode) {
+    wx.setNavigationBarColor({
+      frontColor: isDarkMode ? '#ffffff' : '#000000',
+      backgroundColor: isDarkMode ? '#000000' : '#ffffff',
+      animation: {
+        duration: 400,
+        timingFunc: 'easeInOut'
+      }
+    })
+    
+    wx.setBackgroundColor({
+      backgroundColor: isDarkMode ? '#000000' : '#ffffff',
+      backgroundColorTop: isDarkMode ? '#000000' : '#ffffff',
+      backgroundColorBottom: isDarkMode ? '#000000' : '#ffffff'
+    })
+  },
+
+  /**
+   * 重置所有设置
+   */
+  resetAllSettings() {
+    this.setData({
+      isDarkMode: false,
+      isHighContrast: false
+    })
+    wx.setStorageSync('isDarkMode', false)
+    wx.setStorageSync('isHighContrast', false)
+    this.applyModeSettings()
+  }
+})
\ No newline at end of file
diff --git a/pages/test-tools/test-mode-switch.wxml b/pages/test-tools/test-mode-switch.wxml
new file mode 100644
index 0000000..1fb3963
--- /dev/null
+++ b/pages/test-tools/test-mode-switch.wxml
@@ -0,0 +1,50 @@
+<!--pages/test-tools/test-mode-switch.wxml-->
+<view class="container">
+  <view class="header">
+    <text class="title">黑白测试设置</text>
+    <text class="subtitle">调整应用的显示模式以进行黑白测试</text>
+  </view>
+  
+  <view class="setting-item">
+    <view class="setting-label">
+      <text class="label-text">深色模式</text>
+      <text class="label-desc">切换应用的明/暗主题</text>
+    </view>
+    <switch 
+      class="setting-switch"
+      checked="{{isDarkMode}}"
+      bindchange="toggleDarkMode"
+      color="#1AAD19"
+    />
+  </view>
+  
+  <view class="setting-item">
+    <view class="setting-label">
+      <text class="label-text">高对比度模式</text>
+      <text class="label-desc">启用黑白高对比度显示</text>
+    </view>
+    <switch 
+      class="setting-switch"
+      checked="{{isHighContrast}}"
+      bindchange="toggleHighContrast"
+      color="#1AAD19"
+    />
+  </view>
+  
+  <view class="button-group">
+    <button 
+      class="reset-button"
+      bindtap="resetAllSettings"
+      type="default"
+    >
+      重置为默认设置
+    </button>
+  </view>
+  
+  <view class="tips">
+    <text class="tip-text">提示：</text>
+    <text class="tip-content">1. 深色模式会改变应用的整体色调</text>
+    <text class="tip-content">2. 高对比度模式会将所有元素转为黑白并提高对比度</text>
+    <text class="tip-content">3. 这些设置会保存在本地，下次打开应用时自动应用</text>
+  </view>
+</view>
\ No newline at end of file
diff --git a/pages/test-tools/test-mode-switch.wxss b/pages/test-tools/test-mode-switch.wxss
new file mode 100644
index 0000000..73d1bf2
--- /dev/null
+++ b/pages/test-tools/test-mode-switch.wxss
@@ -0,0 +1,149 @@
+/** pages/test-tools/test-mode-switch.wxss **/
+.container {
+  padding: 40rpx 30rpx;
+  background-color: #fff;
+  min-height: 100vh;
+}
+
+.header {
+  text-align: center;
+  margin-bottom: 60rpx;
+}
+
+.title {
+  font-size: 36rpx;
+  font-weight: bold;
+  color: #333;
+  display: block;
+  margin-bottom: 20rpx;
+}
+
+.subtitle {
+  font-size: 26rpx;
+  color: #666;
+  display: block;
+  line-height: 1.5;
+}
+
+.setting-item {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 30rpx 0;
+  border-bottom: 1rpx solid #f0f0f0;
+}
+
+.setting-label {
+  flex: 1;
+  margin-right: 30rpx;
+}
+
+.label-text {
+  font-size: 30rpx;
+  color: #333;
+  display: block;
+  margin-bottom: 8rpx;
+}
+
+.label-desc {
+  font-size: 24rpx;
+  color: #999;
+  display: block;
+  line-height: 1.4;
+}
+
+.setting-switch {
+  transform: scale(1.2);
+}
+
+.button-group {
+  margin-top: 60rpx;
+  padding: 0 20rpx;
+}
+
+.reset-button {
+  width: 100%;
+  height: 90rpx;
+  line-height: 90rpx;
+  font-size: 30rpx;
+  border-radius: 15rpx;
+  border: 2rpx solid #1AAD19;
+  color: #1AAD19;
+  background-color: #fff;
+}
+
+.reset-button:active {
+  background-color: #f0f0f0;
+}
+
+.tips {
+  margin-top: 60rpx;
+  padding: 30rpx;
+  background-color: #f8f8f8;
+  border-radius: 15rpx;
+  border-left: 4rpx solid #1AAD19;
+}
+
+.tip-text {
+  font-size: 28rpx;
+  font-weight: bold;
+  color: #333;
+  display: block;
+  margin-bottom: 15rpx;
+}
+
+.tip-content {
+  font-size: 24rpx;
+  color: #666;
+  display: block;
+  margin-bottom: 10rpx;
+  line-height: 1.5;
+}
+
+/* 深色模式适配 */
+.container.dark-mode {
+  background-color: #1a1a1a;
+}
+
+.container.dark-mode .title {
+  color: #fff;
+}
+
+.container.dark-mode .subtitle {
+  color: #ccc;
+}
+
+.container.dark-mode .setting-item {
+  border-bottom-color: #333;
+}
+
+.container.dark-mode .label-text {
+  color: #fff;
+}
+
+.container.dark-mode .label-desc {
+  color: #999;
+}
+
+.container.dark-mode .reset-button {
+  border-color: #4CAF50;
+  color: #4CAF50;
+  background-color: #1a1a1a;
+}
+
+.container.dark-mode .reset-button:active {
+  background-color: #333;
+}
+
+.container.dark-mode .tips {
+  background-color: #2a2a2a;
+  border-left-color: #4CAF50;
+}
+
+.container.dark-mode .tip-text {
+  color: #fff;
+}
+
+.container.dark-mode .tip-content {
+  color: #ccc;
+}
\ No newline at end of file
diff --git a/pages/test/undercarriage-test.js b/pages/test/undercarriage-test.js
new file mode 100644
index 0000000..5eefd0a
--- /dev/null
+++ b/pages/test/undercarriage-test.js
@@ -0,0 +1,66 @@
+// pages/test/undercarriage-test.js
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad(options) {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面初次渲染完成
+   */
+  onReady() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面显示
+   */
+  onShow() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面隐藏
+   */
+  onHide() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面卸载
+   */
+  onUnload() {
+
+  },
+
+  /**
+   * 页面相关事件处理函数--监听用户下拉动作
+   */
+  onPullDownRefresh() {
+
+  },
+
+  /**
+   * 页面上拉触底事件的处理函数
+   */
+  onReachBottom() {
+
+  },
+
+  /**
+   * 用户点击右上角分享
+   */
+  onShareAppMessage() {
+
+  }
+})
\ No newline at end of file
diff --git a/pages/test/undercarriage-test.wxml b/pages/test/undercarriage-test.wxml
new file mode 100644
index 0000000..a207e69
--- /dev/null
+++ b/pages/test/undercarriage-test.wxml
@@ -0,0 +1,2 @@
+<!--pages/test/undercarriage-test.wxml-->
+<text>pages/test/undercarriage-test.wxml</text>
\ No newline at end of file