diff --git a/pages/goods-detail/goods-detail.js b/pages/goods-detail/goods-detail.js
index 5759da7..fa5f9b2 100644
--- a/pages/goods-detail/goods-detail.js
+++ b/pages/goods-detail/goods-detail.js
@@ -1452,6 +1452,16 @@ Page({
 
   // 导航到运费计算器
   navigateToFreightCalculator: function() {
+    // 权限检查
+    if (!this.data.isInternalUser) {
+      wx.showModal({
+        title: '权限不足',
+        content: '您没有权限使用此功能',
+        showCancel: false
+      });
+      return;
+    }
+
     const goodsDetail = this.data.goodsDetail;
     if (!goodsDetail) {
       wx.showToast({
diff --git a/pages/goods-detail/goods-detail.wxml b/pages/goods-detail/goods-detail.wxml
index cf038fb..5a988d1 100644
--- a/pages/goods-detail/goods-detail.wxml
+++ b/pages/goods-detail/goods-detail.wxml
@@ -397,6 +397,7 @@
       class="chat-button bottom-button"
       bindtap="navigateToFreightCalculator"
       data-id="{{goodsDetail.id}}"
+      wx:if="{{isInternalUser}}"
     >
       运费估算
     </button>
diff --git a/pages/index/index.js b/pages/index/index.js
index 32df629..3510949 100644
--- a/pages/index/index.js
+++ b/pages/index/index.js
@@ -434,6 +434,16 @@ Page({
 
   // 跳转到物流运费估算页面
   navigateToFreightCalculator() {
+    // 权限检查
+    if (!this.data.isInPersonnel) {
+      wx.showModal({
+        title: '权限不足',
+        content: '您没有权限使用此功能',
+        showCancel: false
+      });
+      return;
+    }
+    
     // 记录用户操作历史
     API.addUserHistory('运费估算');
     
diff --git a/pages/index/index.wxml b/pages/index/index.wxml
index 903e919..fdd8538 100644
--- a/pages/index/index.wxml
+++ b/pages/index/index.wxml
@@ -218,7 +218,7 @@
             <text class="function-btn-icon">📄</text>
             <text class="function-btn-text">我们</text>
           </view>
-          <view class="function-btn" bindtap="navigateToFreightCalculator">
+          <view class="function-btn" bindtap="navigateToFreightCalculator" wx:if="{{isInPersonnel}}">
             <text class="function-btn-icon">🚚</text>
             <text class="function-btn-text">运费估算</text>
           </view>