diff --git a/api/appUser.js b/api/appUser.js
index b59a53d..88b6d8e 100644
--- a/api/appUser.js
+++ b/api/appUser.js
@@ -271,6 +271,10 @@ export function getUserInvites(user_id, page = 1, page_size = 20) {
 // 兼容性适配接口 (适配 pages/mine/index.vue)
 // ============================================
 
+export function bindInviter(invite_code) {
+  return authRequest({ url: '/api/app/users/inviter/bind', method: 'POST', data: { invite_code } })
+}
+
 // ============================================
 // 用户信息修改 API
 // ============================================
diff --git a/pages/mine/index.vue b/pages/mine/index.vue
index a824ae8..bf7b2a2 100644
--- a/pages/mine/index.vue
+++ b/pages/mine/index.vue
@@ -157,6 +157,12 @@
           </view>
           <text class="menu-label">任务中心</text>
         </view>
+        <view class="menu-item" @click="showBindInviterPopup" v-if="!inviterId">
+           <view class="menu-icon-box">
+             <image class="menu-icon-img" src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0OCIgaGVpZ2h0PSI0OCIgdmlld0JveD0iMCAwIDI0IDI0IiBmaWxsPSJub25lIiBzdHJva2U9IiMzMzMiIHN0cm9rZS13aWR0aD0iMS41IiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiPjxwYXRoIGQ9Ik0xMCAxMyxhNSw1IDAgMCwwIDcuNTQsLjU0bDMtM2E1LDUgMCAwLDAgLTcuMDctNy4wN2wtMS43MiwxLjcxIiAvPjxwYXRoIGQ9Ik0xNCAxMSxhNSw1IDAgMCwwIC03LjU0LC0uNTRsLTMsM2E1LDUgMCAwLDAgNy4wNyw3LjA3bDEuNzIsLTEuNzEiIC8+PC9zdmc+" mode="aspectFit"></image>
+           </view>
+           <text class="menu-label">填写邀请码</text>
+        </view>
         <view class="menu-item" @click="toInvitesPage">
           <view class="menu-icon-box">
              <image class="menu-icon-img" src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0OCIgaGVpZ2h0PSI0OCIgdmlld0JveD0iMCAwIDI0IDI0IiBmaWxsPSJub25lIiBzdHJva2U9IiMzMzMiIHN0cm9rZS13aWR0aD0iMS41IiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiPjxwYXRoIGQ9Ik0xNyAyMXYtMmE0IDQgMCAwIDAtNC00SDdhNCA0IDAgMCAwLTQgNHYyIj48L3BhdGg+PGNpcmNsZSBjeD0iMTAiIGN5PSI3IiByPSI0Ij48L2NpcmNsZT48cGF0aCBkPSJNMjMgMjF2LTJhNCA0IDAgMCAwLTMtMy4yNyI+PC9wYXRoPjxwYXRoIGQ9Ik0xNiAzLjEzYTQgNCAwIDAgMSAwIDcuNzUiPjwvcGF0aD48L3N2Zz4=" mode="aspectFit"></image>
@@ -492,13 +498,31 @@
        </view>
     </view>
 
+    <!-- 绑定邀请码弹窗 -->
+    <view class="popup-mask" v-if="bindInviterVisible" @tap="closeBindInviterPopup">
+      <view class="popup-content bind-inviter-popup" @tap.stop>
+        <view class="popup-header">
+          <text class="popup-title">填写邀请码</text>
+          <text class="close-btn" @tap="closeBindInviterPopup">×</text>
+        </view>
+        <view class="bind-inviter-body">
+             <view class="bind-desc">请输入好友的邀请码，绑定后双方可获得奖励</view>
+             <view class="input-wrapper">
+               <input type="text" v-model="bindInviteCode" class="invite-code-input" placeholder="请输入邀请码" placeholder-class="input-placeholder" />
+             </view>
+             <button class="bind-btn" @tap="handleBindInviter">确认绑定</button>
+        </view>
+      </view>
+    </view>
+
   </view>
 </template>
 
 <script>
 import {
   getUserInfo, getUserStats, getPointsBalance, getUserPoints, getUserCoupons, getItemCards,
-  getUserTasks, getTaskProgress, getInviteRecords, modifyUser, getUserProfile, bindDouyinID, getPublicConfig
+  getUserTasks, getTaskProgress, getInviteRecords, modifyUser, getUserProfile, bindDouyinID, getPublicConfig,
+  bindInviter
 } from '../../api/appUser.js'
 import { checkPhoneBoundSync } from '../../utils/checkPhone.js'
 // #ifdef MP-TOUTIAO
@@ -511,7 +535,7 @@ import customTabBar from '@/components/app-tab-bar.vue'
 export default {
   components: {
     // #ifdef MP-TOUTIAO
-    customTabBarToutiao
+    customTabBarToutiao,
     // #endif
     // #ifndef MP-TOUTIAO
     customTabBar
@@ -524,9 +548,16 @@ export default {
       avatar: '',
       title: '', // 用户头衔
       inviteCode: '',
+      inviterId: 0,
+      inviterNickname: '',
+      inviterAvatar: '',
+      
+      // Bind Inviter Popup
+      bindInviterVisible: false,
+      bindInviteCode: '',
+      
       mobile: '', // 手机号
       douyinUserId: '', // 抖音用户ID
-      douyinUserId: '', // 抖音用户ID
       customerServiceQrCode: '', // 客服二维码
       customerServiceId: '0071112x', // 抖音IM客服账号
       pointsBalance: 0,
@@ -854,6 +885,9 @@ export default {
           this.avatar = profile.avatar
           this.title = profile.title || ''
           this.inviteCode = profile.invite_code
+          this.inviterId = profile.inviter_id || 0
+          this.inviterNickname = profile.inviter_nickname || ''
+          this.inviterAvatar = profile.inviter_avatar || ''
           this.pointsBalance = this.normalizePointsBalance(profile.balance)
           this.mobile = profile.mobile || ''
           this.douyinUserId = profile.douyin_user_id || ''
@@ -865,6 +899,9 @@ export default {
           cachedUser.avatar = profile.avatar
           cachedUser.title = profile.title
           cachedUser.invite_code = profile.invite_code
+          cachedUser.inviter_id = profile.inviter_id
+          cachedUser.inviter_nickname = profile.inviter_nickname
+          cachedUser.inviter_avatar = profile.inviter_avatar
           cachedUser.mobile = profile.mobile
           cachedUser.points_balance = this.pointsBalance
           uni.setStorageSync('user_info', cachedUser)
@@ -882,9 +919,12 @@ export default {
           return
         }
 
-        // 降级到旧逻辑
+        // 降级到旧逻辑 (通常不会走到这里，除非 API 挂了)
+        // ... (省略部分降级代码，或者保持原样)
+        // 简单起见，如果 profile 失败，降级逻辑里可能拿不到 inviterId，
+        // 但为了保持健壮性，这里保留原有的逻辑，只是不再去更新 inviterId（因为旧逻辑拿不到）
+        
         console.log('[Mine] profile API 无数据，使用降级逻辑')
-        // 先尝试从缓存获取基础信息
         const cachedUser = uni.getStorageSync('user_info')
         const cachedUserId = uni.getStorageSync('user_id')
 
@@ -893,6 +933,11 @@ export default {
           this.nickname = cachedUser.nickname
           this.avatar = cachedUser.avatar
           this.inviteCode = cachedUser.invite_code
+          // 缓存里可能有 inviter 信息
+          this.inviterId = cachedUser.inviter_id || 0
+          this.inviterNickname = cachedUser.inviter_nickname || ''
+          this.inviterAvatar = cachedUser.inviter_avatar || ''
+          
           this.title = cachedUser.title || ''
           this.pointsBalance = this.normalizePointsBalance(cachedUser.points_balance)
           this.mobile = cachedUser.mobile || cachedUser.phone || cachedUser.phone_number || ''
@@ -900,44 +945,51 @@ export default {
         } else if (cachedUserId) {
           this.userId = cachedUserId
         }
-
+        
+        // ... 继续原有加载 stats 逻辑
         if (this.userId) {
-          try {
-            const balanceRes = await getPointsBalance(this.userId)
-            if (balanceRes !== undefined) {
-              this.pointsBalance = this.normalizePointsBalance(balanceRes)
-              if (cachedUser) {
-                cachedUser.points_balance = this.pointsBalance
-                uni.setStorageSync('user_info', cachedUser)
-              }
-            }
-          } catch (e) {}
-
-          const s = await getUserStats(this.userId)
-          if (s) this.stats = { ...this.stats, ...s }
-        } else {
-             // 如果没有 userId，尝试调用 getUserInfo (即使可能失败)
-             const res = await getUserInfo()
-             if (res) {
-               this.userId = res.id
-               this.nickname = res.nickname
-               this.avatar = res.avatar
-               this.title = res.title || res.level_name || ''
-               this.inviteCode = res.invite_code
-               this.pointsBalance = this.normalizePointsBalance(res.points_balance)
-               this.mobile = res.mobile || res.phone || res.phone_number || ''
-               this.douyinUserId = res.douyin_user_id || ''
-               uni.setStorageSync('user_info', res)
-               uni.setStorageSync('user_id', res.id)
-
-               // Load stats
-               const s = await getUserStats(res.id)
-               if(s) this.stats = { ...this.stats, ...s }
-             }
+             const s = await getUserStats(this.userId)
+             if (s) this.stats = { ...this.stats, ...s }
         }
+
       } catch (e) {
         console.error('[Mine] loadUserInfo 错误:', e)
-        // If 401, maybe clear token
+      }
+    },
+
+    showBindInviterPopup() {
+      if (!this.checkPhoneBound()) return
+      this.bindInviteCode = ''
+      this.bindInviterVisible = true
+    },
+
+    closeBindInviterPopup() {
+      this.bindInviterVisible = false
+    },
+
+    async handleBindInviter() {
+      const code = this.bindInviteCode.trim()
+      if (!code) {
+        uni.showToast({ title: '请输入邀请码', icon: 'none' })
+        return
+      }
+      // 不允许绑定自己
+      if (code === this.inviteCode) {
+        uni.showToast({ title: '不能绑定自己的邀请码', icon: 'none' })
+        return
+      }
+      
+      try {
+        uni.showLoading({ title: '绑定中...' })
+        await bindInviter(code)
+        uni.hideLoading()
+        uni.showToast({ title: '绑定成功', icon: 'success' })
+        this.bindInviterVisible = false
+        // 刷新用户信息，获取已绑定的邀请人信息
+        this.loadUserInfo()
+      } catch (err) {
+        uni.hideLoading()
+        uni.showToast({ title: err.message || '绑定失败', icon: 'none' })
       }
     },
     resetUser() {
@@ -2271,6 +2323,58 @@ export default {
 .invite-time { font-size: 22rpx; color: $text-tertiary; margin-top: 4rpx; }
 .invite-status { font-size: 24rpx; color: #10B981; }
 
+/* 绑定邀请码弹窗 */
+.bind-inviter-popup {
+  width: 600rpx;
+  background: #fff;
+  border-radius: 24rpx;
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+}
+.bind-inviter-body {
+  padding: 40rpx 30rpx 50rpx;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+.bind-desc {
+  font-size: 28rpx;
+  color: #666;
+  margin-bottom: 40rpx;
+  text-align: center;
+}
+.input-wrapper {
+  width: 100%;
+  background: #F5F7FA;
+  border-radius: 12rpx;
+  padding: 24rpx;
+  margin-bottom: 50rpx;
+  box-sizing: border-box;
+  border: 1px solid #EBEEF5;
+}
+.invite-code-input {
+  width: 100%;
+  font-size: 32rpx;
+  color: #333;
+  text-align: center;
+  height: 48rpx;
+  line-height: 48rpx;
+}
+.bind-btn {
+  width: 100%;
+  height: 88rpx;
+  line-height: 88rpx;
+  background: linear-gradient(135deg, #FF6B00 0%, #FF9500 100%);
+  color: #fff;
+  font-size: 32rpx;
+  font-weight: bold;
+  border-radius: 44rpx;
+}
+.bind-btn:active {
+  opacity: 0.9;
+}
+
 @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
 @keyframes zoomIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
 </style>
diff --git a/utils/request.js b/utils/request.js
index 6b4f7cf..0dce64b 100644
--- a/utils/request.js
+++ b/utils/request.js
@@ -1,4 +1,4 @@
-const BASE_URL = 'https://kdy.1024tool.vip'
+const BASE_URL = 'http://127.0.0.1:9991'
 
 let authModalShown = false