diff --git a/components/CustomTabBar/CustomTabBar.vue b/components/CustomTabBar/CustomTabBar.vue
index 87f988e..04a2ea8 100644
--- a/components/CustomTabBar/CustomTabBar.vue
+++ b/components/CustomTabBar/CustomTabBar.vue
@@ -120,7 +120,8 @@ const generateTabbarList = () => {
         // #endif
     }
     if (userType === 0) {
-        baseItems.splice(2, 0, {
+        // 企业用户：将招聘会添加到第1个位置，AI图标保持在中间
+        baseItems.splice(1, 0, {
             id: 5,
             text: '招聘会',
             path: '/pages/careerfair/careerfair',
@@ -129,6 +130,14 @@ const generateTabbarList = () => {
             centerItem: false,
             badge: 0,
         });
+        // 调整AI图标的位置到中间（索引2）
+        const aiItem = baseItems.find(item => item.id === 2);
+        if (aiItem) {
+            // 移除AI图标
+            baseItems.splice(baseItems.indexOf(aiItem), 1);
+            // 将AI图标插入到中间位置
+            baseItems.splice(2, 0, aiItem);
+        }
     }
     return baseItems;
 };
@@ -194,12 +203,12 @@ const switchTab = (item, index) => {
             // 判断企业信息字段company是否为null或undefined
             if (!currentUserInfo.company || currentUserInfo.company === null) {
                 // 企业信息为空，跳转到企业信息补全页面
-                uni.navigateTo({
+                uni.redirectTo({
                     url: '/packageA/pages/complete-info/company-info',
                 });
             } else {
                 // 企业信息完整，跳转到发布岗位页面
-                uni.navigateTo({
+                uni.redirectTo({
                     url: '/packageA/pages/job/publishJob',
                 });
             }
@@ -228,7 +237,7 @@ const switchTab = (item, index) => {
             }
             
             // 跳转到对应的页面
-            uni.navigateTo({
+            uni.redirectTo({
                 url: targetPath,
             });
             
@@ -237,26 +246,10 @@ const switchTab = (item, index) => {
         }
     }
     
-    // 判断是否为 tabBar 页面
-    const tabBarPages = [
-        '/pages/index/index',
-        '/pages/careerfair/careerfair',
-        '/pages/chat/chat',
-        '/pages/msglog/msglog',
-        '/pages/mine/mine'
-    ];
-    
-    if (tabBarPages.includes(item.path)) {
-        // TabBar 页面使用 redirectTo 避免页面栈溢出
-        uni.redirectTo({
-            url: item.path,
-        });
-    } else {
-        // 非 TabBar 页面使用 navigateTo
-        uni.navigateTo({
-            url: item.path,
-        });
-    }
+    // 所有页面都使用 redirectTo 避免页面栈溢出
+    uni.redirectTo({
+        url: item.path,
+    });
     
     currentItem.value = item.id;
 };
diff --git a/config.js b/config.js
index fb4071c..74428c4 100644
--- a/config.js
+++ b/config.js
@@ -6,8 +6,8 @@
  */
 export default {
     // baseUrl: 'http://39.98.44.136:8080', // 测试
-    baseUrl: 'https://www.xjksly.cn/api/ks', // 正式环境
-    // baseUrl: 'http://ks.zhaopinzao8dian.com/api/ks', // 测试
+    // baseUrl: 'https://www.xjksly.cn/api/ks', // 正式环境
+    baseUrl: 'http://ks.zhaopinzao8dian.com/api/ks', // 测试
 
 	// LCBaseUrl:'http://10.110.145.145:9100',//内网端口
 	// LCBaseUrlInner:'http://10.110.145.145:10100',//招聘、培训、帮扶
diff --git a/packageA/pages/complete-info/company-info.vue b/packageA/pages/complete-info/company-info.vue
index f9a1dc2..5112c96 100644
--- a/packageA/pages/complete-info/company-info.vue
+++ b/packageA/pages/complete-info/company-info.vue
@@ -23,13 +23,16 @@
                 <!-- 统一社会信用代码 -->
                 <view class="form-item">
                     <view class="label">统一社会信用代码</view>
-                    <input 
-                        class="input-field" 
-                        v-model="formData.socialCreditCode" 
-                        placeholder="请输入统一社会信用代码"
-                        maxlength="18"
-                        @input="updateCompletion"
-                    />
+                    <view class="input-with-button">
+                        <input 
+                            class="input-field" 
+                            v-model="formData.socialCreditCode" 
+                            placeholder="请输入统一社会信用代码"
+                            maxlength="18"
+                            @input="updateCompletion"
+                        />
+                        <button class="query-button" @click="queryCompanyByCreditCode">查询</button>
+                    </view>
                 </view>
                 
                 <!-- 企业注册地点 -->
@@ -600,6 +603,42 @@ const cancel = () => {
     uni.navigateBack()
 }
 
+// 根据社会信用代码查询企业信息
+const queryCompanyByCreditCode = async () => {
+    const creditCode = formData.socialCreditCode.trim()
+    if (!creditCode) {
+        $api.msg('请输入统一社会信用代码')
+        return
+    }
+    
+    uni.showLoading({ title: '查询中...' })
+    
+    try {
+        const response = await $api.createRequest('/app/company/queryCodeCompany', { code: creditCode }, 'get')
+        uni.hideLoading()
+        
+        if (response.code === 200 && response.data) {
+            const companyData = response.data
+            // 回显企业信息到表单
+            if (companyData.name) formData.companyName = companyData.name
+            if (companyData.location) formData.registeredAddress = companyData.location
+            if (companyData.description) formData.companyIntro = companyData.description
+            if (companyData.nature) formData.nature = companyData.nature
+            if (companyData.registeredAddress) formData.registeredAddress = companyData.registeredAddress
+            if (companyData.legalPerson) formData.legalPersonName = companyData.legalPerson
+            // 其他字段根据接口返回的数据结构进行映射
+            updateCompletion()
+            $api.msg('企业信息查询成功')
+        } else {
+            $api.msg('未查询到企业信息')
+        }
+    } catch (error) {
+        uni.hideLoading()
+        $api.msg('查询失败，请重试')
+        console.error('查询企业信息失败:', error)
+    }
+}
+
 // 确认提交
 const confirm = () => {
     // 验证必填字段
@@ -837,6 +876,25 @@ defineExpose({
             font-size: 28rpx
             line-height: 1.4
     
+    .input-with-button
+        flex: 1
+        display: flex
+        align-items: center
+        gap: 16rpx
+        
+        .query-button
+            padding: 8rpx 16rpx
+            background: #256BFA
+            color: #fff
+            font-size: 20rpx
+            border-radius: 6rpx
+            border: none
+            min-width: 100rpx
+            text-align: center
+            
+            &:active
+                background: #1a5cd9
+    
     .input-con
         flex: 1
         font-size: 28rpx