diff --git a/pages/buyer/index.js b/pages/buyer/index.js
index 2be6d92..044b6af 100644
--- a/pages/buyer/index.js
+++ b/pages/buyer/index.js
@@ -132,7 +132,8 @@ Page({
       return;
     }
 
-    // 更新用户类型为买家
+    // 点击"我想要"后，将用户类型设置为buyer
+    const API = require('../../utils/api.js');
     API.updateUserType('buyer');
 
     // 1. 前置验证
diff --git a/pages/seller/index.js b/pages/seller/index.js
index 50e9b2b..579dae6 100644
--- a/pages/seller/index.js
+++ b/pages/seller/index.js
@@ -1165,6 +1165,10 @@ Page({
     try {
       const res = await API.uploadUserInfo(uploadData)
       console.log('用户信息上传成功:', res)
+      
+      // 入驻成功后，将用户类型设置为seller
+      API.updateUserType('seller');
+      
       return res
     } catch (err) {
       console.error('用户信息上传失败:', err)
@@ -1226,10 +1230,6 @@ Page({
       e.stopPropagation();
     }
     
-    // 更新用户类型为卖家
-    const API = require('../../utils/api.js');
-    API.updateUserType('seller');
-    
     // 从本地存储加载之前保存的货源数据
     const savedSupply = wx.getStorageSync('newSupplyDraft') || { name: '', price: '', minOrder: '', yolk: '', spec: '', imageUrls: [] };
     
diff --git a/utils/api.js b/utils/api.js
index 0625985..ccbaa8f 100644
--- a/utils/api.js
+++ b/utils/api.js
@@ -1570,6 +1570,82 @@ module.exports = {
     return request('/api/user/upload', 'POST', data);
   },
 
+  // 更新用户类型
+  updateUserType: async (typeToAdd) => {
+    try {
+      const userId = wx.getStorageSync('userId');
+      const openid = wx.getStorageSync('openid');
+      const userInfo = wx.getStorageSync('userInfo');
+      
+      if (!userId || !openid) {
+        console.log('用户未登录，无法更新用户类型');
+        return;
+      }
+      
+      // 获取当前用户类型
+      let users = wx.getStorageSync('users') || {};
+      let currentType = users[userId] && users[userId].type ? users[userId].type : '';
+      
+      // 计算新的用户类型
+      let newType = currentType;
+      
+      // 如果要添加的类型与当前类型相同，则不改变
+      if (newType === typeToAdd) {
+        return;
+      }
+      
+      // 如果当前类型为空，则直接设置为要添加的类型
+      if (!newType) {
+        newType = typeToAdd;
+      } else {
+        // 如果当前类型是buyer，要添加seller，则变为both
+        if (newType === 'buyer' && typeToAdd === 'seller') {
+          newType = 'both';
+        }
+        // 如果当前类型是seller，要添加buyer，则变为both
+        else if (newType === 'seller' && typeToAdd === 'buyer') {
+          newType = 'both';
+        }
+      }
+      
+      // 如果类型没有变化，不需要更新
+      if (newType === currentType) {
+        return;
+      }
+      
+      // 更新本地存储
+      if (!users[userId]) {
+        users[userId] = {};
+      }
+      users[userId].type = newType;
+      wx.setStorageSync('users', users);
+      
+      // 更新全局数据
+      const app = getApp();
+      app.globalData.userType = newType;
+      
+      // 上传到服务器
+      const uploadData = {
+        userId,
+        openid,
+        ...userInfo,
+        type: newType,
+        timestamp: Date.now()
+      };
+      
+      // 调用用户信息更新API
+      return API.request({
+        url: '/api/user/update',
+        method: 'POST',
+        data: uploadData
+      });
+      
+    } catch (error) {
+      console.error('更新用户类型失败:', error);
+      throw error;
+    }
+  },
+
   // 获取用户信息用于调试
   getUserInfoForDebug: function () {
     const openid = wx.getStorageSync('openid');
@@ -2049,75 +2125,6 @@ module.exports = {
       });
     });
   },
-
-  // 更新用户类型
-  updateUserType: async (typeToAdd) => {
-    try {
-      const userId = wx.getStorageSync('userId');
-      const openid = wx.getStorageSync('openid');
-      const userInfo = wx.getStorageSync('userInfo');
-      
-      if (!userId || !openid) {
-        console.log('用户未登录，无法更新用户类型');
-        return;
-      }
-      
-      // 获取当前用户类型
-      let users = wx.getStorageSync('users') || {};
-      let currentType = users[userId] && users[userId].type ? users[userId].type : '';
-      
-      // 计算新的用户类型
-      let newType = currentType;
-      
-      if (typeToAdd === 'buyer') {
-        if (currentType === 'seller') {
-          newType = 'both';
-        } else {
-          newType = 'buyer';
-        }
-      } else if (typeToAdd === 'seller') {
-        if (currentType === 'buyer') {
-          newType = 'both';
-        } else {
-          newType = 'seller';
-        }
-      }
-      
-      // 如果类型没有变化，不需要更新
-      if (newType === currentType) {
-        return;
-      }
-      
-      // 更新本地存储
-      if (!users[userId]) {
-        users[userId] = {};
-      }
-      users[userId].type = newType;
-      wx.setStorageSync('users', users);
-      
-      // 更新全局数据
-      const app = getApp();
-      app.globalData.userType = newType;
-      
-      // 上传到服务器
-      const uploadData = {
-        userId,
-        openid,
-        ...userInfo,
-        type: newType,
-        timestamp: Date.now()
-      };
-      
-      return API.request({
-        url: '/api/user/update',
-        method: 'POST',
-        data: uploadData
-      });
-      
-    } catch (error) {
-      console.error('更新用户类型失败:', error);
-      throw error;
-    }
-  },
+  
 
 };
\ No newline at end of file