diff --git a/app/profile.tsx b/app/profile.tsx
index 8b7df88..ca6d1cf 100644
--- a/app/profile.tsx
+++ b/app/profile.tsx
@@ -1,3 +1,4 @@
+import * as ImagePicker from 'expo-image-picker'
 import { Ionicons } from '@expo/vector-icons'
 import { Block, ConfirmModal, Img, Input, Text, Toast } from '@share/components'
 import { router, Stack } from 'expo-router'
@@ -5,8 +6,10 @@ import { observer } from 'mobx-react-lite'
 import React, { useEffect, useState } from 'react'
 import { ScrollView } from 'react-native'
 
+import { imgPicker } from '@/@share/apis'
 import { authClient } from '@/lib/auth'
 import { userStore } from '@/stores'
+import { uploadFile } from '@/utils'
 
 type InfoItem = {
   id: string
@@ -55,9 +58,41 @@ function EditNicknameModal({ initialName, onConfirm, onCancel }: EditNicknameMod
 export default observer(function ProfilePage() {
   const { user } = userStore
 
-  const handleEditAvatar = () => {
-    // TODO: 打开相册/拍照更换头像
-    Toast.show({ title: '更换头像功能开发中' })
+  const handleEditAvatar = async () => {
+    try {
+      const assets = await imgPicker({
+        maxImages: 1,
+        type: ImagePicker.MediaTypeOptions.Images,
+        resultType: 'asset',
+      })
+      const asset = assets[0] as ImagePicker.ImagePickerAsset
+      if (!asset) return
+
+      Toast.showLoading({ title: '上传中...', duration: 0 })
+      const url = await uploadFile({
+        uri: asset.uri,
+        mimeType: asset.mimeType ?? 'image/jpeg',
+        fileName: asset.fileName ?? `avatar_${Date.now()}.jpg`,
+      })
+
+      const res = await authClient.updateUser({ image: url })
+      const err = (res as { error?: { message?: string } }).error
+      if (err) {
+        Toast.hideLoading()
+        Toast.show({ title: err.message || '头像更新失败，请重试' })
+        return
+      }
+      if (userStore.user) {
+        userStore.setUser({ ...userStore.user, image: url })
+      }
+      Toast.hideLoading()
+      Toast.show({ title: '头像已更新' })
+    } catch (e) {
+      Toast.hideLoading()
+      if (e instanceof Error && e.message !== '未选择任何图片') {
+        Toast.show({ title: '上传失败，请重试' })
+      }
+    }
   }
 
   const handleEditNickname = () => {
diff --git a/app/settings.tsx b/app/settings.tsx
index d896547..f9fc1f5 100644
--- a/app/settings.tsx
+++ b/app/settings.tsx
@@ -106,12 +106,12 @@ export default observer(function SettingsPage() {
         )}
       </Block>
       <Block className="flex-1">
-        <Text className="text-[16px] font-[700] text-black">{user?.name || user?.email || '未登录'}</Text>
-        {user?.email && user?.name && (
-          <Text className="mt-[4px] text-[12px] text-gray-500">{user.email}</Text>
+        <Text className="text-[16px] font-[700] text-black">{user?.name || user?.phoneNumber || '未登录'}</Text>
+        {user?.phoneNumber && user?.name && (
+          <Text className="mt-[4px] text-[12px] text-gray-500">{user.phoneNumber}</Text>
         )}
       </Block>
-      <Ionicons color="#9CA3AF" name="chevron-forward" size={20} />
+      <Ionicons color="#323232" name="chevron-forward" size={20} />
     </Block>
   )