feat(profile): add help screen and fix upload field name

Add dedicated Help screen to profile tab with navigation integration.
Refactor SettingsScreen to navigate to HelpScreen instead of showing placeholder alert.
Fix API upload method to use correct field names ("file" for documents, "image" for media)
based on endpoint path, resolving upload failures for file uploads.

app/(app)/(tabs)/profile/_layout.tsx

@@ -17,6 +17,7 @@ export default function ProfileStackLayout() {
       <Stack.Screen name="blocked-users" />
       <Stack.Screen name="chat-settings" />
       <Stack.Screen name="about" />
+      <Stack.Screen name="help" />
       <Stack.Screen name="verification" />
       <Stack.Screen name="data-storage" />
       <Stack.Screen name="privacy-settings" />

app/(app)/(tabs)/profile/help.tsx

@@ -0,0 +1,5 @@
+import { HelpScreen } from '../../../../src/screens/profile';
+
+export default function HelpRoute() {
+  return <HelpScreen />;
+}

package-lock.json

@@ -8,7 +8,7 @@
       "name": "with_you",
       "version": "1.0.1",
       "dependencies": {
-        "@expo/ui": "~56.0.17",
+        "@expo/ui": "~56.0.18",
         "@expo/vector-icons": "^15.1.1",
         "@livekit/react-native": "^2.11.0",
         "@livekit/react-native-webrtc": "^144.1.0",
@@ -18,31 +18,31 @@
         "@types/react": "~19.2.14",
         "axios": "^1.16.1",
         "date-fns": "^4.4.0",
-        "expo": "~56.0.11",
+        "expo": "~56.0.12",
-        "expo-background-task": "~56.0.18",
+        "expo-background-task": "~56.0.19",
         "expo-callkit-telecom": "^0.3.9",
         "expo-camera": "~56.0.8",
         "expo-constants": "~56.0.18",
         "expo-dev-client": "~56.0.20",
         "expo-document-picker": "~56.0.4",
         "expo-file-system": "~56.0.8",
-        "expo-font": "~56.0.6",
+        "expo-font": "~56.0.7",
         "expo-haptics": "~56.0.3",
         "expo-image": "~56.0.6",
-        "expo-image-picker": "~56.0.17",
+        "expo-image-picker": "~56.0.18",
         "expo-intent-launcher": "~56.0.4",
         "expo-linear-gradient": "~56.0.4",
         "expo-linking": "~56.0.14",
         "expo-media-library": "~56.0.7",
-        "expo-notifications": "~56.0.17",
+        "expo-notifications": "~56.0.18",
-        "expo-router": "~56.2.10",
+        "expo-router": "~56.2.11",
         "expo-splash-screen": "~56.0.10",
         "expo-sqlite": "~56.0.5",
         "expo-status-bar": "~56.0.4",
         "expo-system-ui": "~56.0.5",
-        "expo-task-manager": "~56.0.18",
+        "expo-task-manager": "~56.0.19",
         "expo-updates": "~56.0.19",
-        "expo-video": "~56.1.3",
+        "expo-video": "~56.1.4",
         "jcore-react-native": "^2.3.6",
         "jpush-react-native": "^3.2.7",
         "katex": "^0.17.0",
@@ -1427,12 +1427,12 @@
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     },
     "node_modules/@expo/config-plugins": {
-      "version": "56.0.8",
+      "version": "56.0.9",
-      "resolved": "https://registry.npmmirror.com/@expo/config-plugins/-/config-plugins-56.0.8.tgz",
+      "resolved": "https://registry.npmmirror.com/@expo/config-plugins/-/config-plugins-56.0.9.tgz",
-      "integrity": "sha512-phTuyBhgVLfqUHMjQkAfRtbyoY6yTxoKja1awtpVnEkoJDxPJuXx1KX5uvq1eZtt4bJQ08OBJ6P95INqRSHpRg==",
+      "integrity": "sha512-/6a/S9USwx8OC9tGjHxbviLFiBHyueN3aoNWMLvWDEJoZ1CIVW800ZBzwXq/FYNK2qzcN1LxFmQtzD1zeFQKNA==",
       "license": "MIT",
       "dependencies": {
-        "@expo/config-types": "^56.0.5",
+        "@expo/config-types": "^56.0.6",
         "@expo/json-file": "~10.2.0",
         "@expo/plist": "^0.7.0",
         "@expo/require-utils": "^56.1.3",
@@ -1460,9 +1460,9 @@
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     "node_modules/@expo/config-types": {
-      "version": "56.0.5",
+      "version": "56.0.6",
-      "resolved": "https://registry.npmmirror.com/@expo/config-types/-/config-types-56.0.5.tgz",
+      "resolved": "https://registry.npmmirror.com/@expo/config-types/-/config-types-56.0.6.tgz",
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       "license": "MIT"
     },
     "node_modules/@expo/config/node_modules/semver": {
@@ -1610,12 +1610,12 @@
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     "node_modules/@expo/inline-modules": {
-      "version": "0.0.11",
+      "version": "0.0.12",
-      "resolved": "https://registry.npmmirror.com/@expo/inline-modules/-/inline-modules-0.0.11.tgz",
+      "resolved": "https://registry.npmmirror.com/@expo/inline-modules/-/inline-modules-0.0.12.tgz",
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       "license": "MIT",
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-        "@expo/config-plugins": "~56.0.8"
+        "@expo/config-plugins": "~56.0.9"
       }
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     "node_modules/@expo/json-file": {
@@ -1953,27 +1953,27 @@
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+      "version": "56.0.16",
-      "resolved": "https://registry.npmmirror.com/@expo/prebuild-config/-/prebuild-config-56.0.15.tgz",
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       "license": "MIT",
       "dependencies": {
         "@expo/config": "~56.0.9",
-        "@expo/config-plugins": "~56.0.8",
+        "@expo/config-plugins": "~56.0.9",
-        "@expo/config-types": "^56.0.5",
+        "@expo/config-types": "^56.0.6",
         "@expo/image-utils": "^0.10.1",
         "@expo/json-file": "^10.2.0",
         "@react-native/normalize-colors": "0.85.3",
         "debug": "^4.3.1",
-        "expo-modules-autolinking": "~56.0.15",
+        "expo-modules-autolinking": "~56.0.16",
         "resolve-from": "^5.0.0",
         "semver": "^7.6.0"
       }
     },
     "node_modules/@expo/prebuild-config/node_modules/semver": {
-      "version": "7.8.4",
+      "version": "7.8.5",
-      "resolved": "https://registry.npmmirror.com/semver/-/semver-7.8.4.tgz",
+      "resolved": "https://registry.npmmirror.com/semver/-/semver-7.8.5.tgz",
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       "license": "ISC",
       "bin": {
         "semver": "bin/semver.js"
@@ -2032,9 +2032,9 @@
       "license": "MIT"
     },
     "node_modules/@expo/ui": {
-      "version": "56.0.17",
+      "version": "56.0.18",
-      "resolved": "https://registry.npmmirror.com/@expo/ui/-/ui-56.0.17.tgz",
+      "resolved": "https://registry.npmmirror.com/@expo/ui/-/ui-56.0.18.tgz",
-      "integrity": "sha512-Jos9oGzurMDngrSWJesX3LSykPRvkUdANxtq2sPKBc6bAjadtZJCkthAYMaE3P9L5xrzbNRFo+2O76cRP0iYPw==",
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       "dependencies": {
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@@ -6400,15 +6400,15 @@
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     "node_modules/expo": {
-      "version": "56.0.11",
+      "version": "56.0.12",
-      "resolved": "https://registry.npmmirror.com/expo/-/expo-56.0.11.tgz",
+      "resolved": "https://registry.npmmirror.com/expo/-/expo-56.0.12.tgz",
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       "license": "MIT",
       "dependencies": {
         "@babel/runtime": "^7.20.0",
-        "@expo/cli": "^56.1.15",
+        "@expo/cli": "^56.1.16",
         "@expo/config": "~56.0.9",
-        "@expo/config-plugins": "~56.0.8",
+        "@expo/config-plugins": "~56.0.9",
         "@expo/devtools": "~56.0.2",
         "@expo/dom-webview": "~56.0.5",
         "@expo/fingerprint": "^0.19.4",
@@ -6421,10 +6421,10 @@
         "expo-asset": "~56.0.17",
         "expo-constants": "~56.0.18",
         "expo-file-system": "~56.0.8",
-        "expo-font": "~56.0.6",
+        "expo-font": "~56.0.7",
         "expo-keep-awake": "~56.0.3",
-        "expo-modules-autolinking": "~56.0.15",
+        "expo-modules-autolinking": "~56.0.16",
-        "expo-modules-core": "~56.0.16",
+        "expo-modules-core": "~56.0.17",
         "pretty-format": "^29.7.0",
         "react-refresh": "^0.14.2",
         "whatwg-url-minimum": "^0.1.2"
@@ -6486,12 +6486,12 @@
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     "node_modules/expo-background-task": {
-      "version": "56.0.18",
+      "version": "56.0.19",
-      "resolved": "https://registry.npmmirror.com/expo-background-task/-/expo-background-task-56.0.18.tgz",
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       "dependencies": {
-        "expo-task-manager": "~56.0.18"
+        "expo-task-manager": "~56.0.19"
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@@ -6622,9 +6622,9 @@
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-      "resolved": "https://registry.npmmirror.com/expo-font/-/expo-font-56.0.6.tgz",
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@@ -6685,9 +6685,9 @@
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+      "version": "56.0.18",
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@@ -6769,9 +6769,9 @@
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@@ -6793,13 +6793,13 @@
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@@ -6814,18 +6814,18 @@
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     "node_modules/expo-notifications": {
-      "version": "56.0.17",
+      "version": "56.0.18",
-      "resolved": "https://registry.npmmirror.com/expo-notifications/-/expo-notifications-56.0.17.tgz",
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@@ -6841,15 +6841,15 @@
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-      "resolved": "https://registry.npmmirror.com/expo-router/-/expo-router-56.2.10.tgz",
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@@ -7005,9 +7005,9 @@
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@@ -7070,9 +7070,9 @@
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@@ -7081,18 +7081,18 @@
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         "@expo/devcert": "^1.2.1",
         "@expo/env": "~2.3.0",
         "@expo/image-utils": "^0.10.1",
-        "@expo/inline-modules": "^0.0.11",
+        "@expo/inline-modules": "^0.0.12",
         "@expo/json-file": "^10.2.0",
         "@expo/log-box": "^56.0.13",
         "@expo/metro": "~56.0.0",
@@ -7101,9 +7101,9 @@
         "@expo/osascript": "^2.6.0",
         "@expo/package-manager": "^1.12.1",
         "@expo/plist": "^0.7.0",
-        "@expo/prebuild-config": "^56.0.15",
+        "@expo/prebuild-config": "^56.0.16",
         "@expo/require-utils": "^56.1.3",
-        "@expo/router-server": "^56.0.13",
+        "@expo/router-server": "^56.0.14",
         "@expo/schema-utils": "^56.0.0",
         "@expo/spawn-async": "^1.8.0",
         "@expo/ws-tunnel": "^2.0.0",
@@ -7368,9 +7368,9 @@
       }
     },
     "node_modules/expo/node_modules/semver": {
-      "version": "7.8.4",
+      "version": "7.8.5",
-      "resolved": "https://registry.npmmirror.com/semver/-/semver-7.8.4.tgz",
+      "resolved": "https://registry.npmmirror.com/semver/-/semver-7.8.5.tgz",
-      "integrity": "sha512-rUCObTnP32Q08R2uuIrt7r9PlEonuTmtuXYcW6s5kjdlj3xbnwe+21yXptAUYcMAABLkYYTtnmzb3w3EDZfueA==",
+      "integrity": "sha512-Y7/KDsb8LjooZpwaqGyulO6DQlksgCncchHGk+sZIY4SBvUocMBEFH5Ur1fI4dV+Jvl0w6cjvucaIi40puRioA==",
       "license": "ISC",
       "bin": {
         "semver": "bin/semver.js"
@@ -11318,9 +11318,9 @@
       }
     },
     "node_modules/npm-package-arg/node_modules/semver": {
-      "version": "7.8.4",
+      "version": "7.8.5",
-      "resolved": "https://registry.npmmirror.com/semver/-/semver-7.8.4.tgz",
+      "resolved": "https://registry.npmmirror.com/semver/-/semver-7.8.5.tgz",
-      "integrity": "sha512-rUCObTnP32Q08R2uuIrt7r9PlEonuTmtuXYcW6s5kjdlj3xbnwe+21yXptAUYcMAABLkYYTtnmzb3w3EDZfueA==",
+      "integrity": "sha512-Y7/KDsb8LjooZpwaqGyulO6DQlksgCncchHGk+sZIY4SBvUocMBEFH5Ur1fI4dV+Jvl0w6cjvucaIi40puRioA==",
       "license": "ISC",
       "bin": {
         "semver": "bin/semver.js"

package.json

@@ -16,7 +16,7 @@
     "test:watch": "jest --watch"
   },
   "dependencies": {
-    "@expo/ui": "~56.0.17",
+    "@expo/ui": "~56.0.18",
     "@expo/vector-icons": "^15.1.1",
     "@livekit/react-native": "^2.11.0",
     "@livekit/react-native-webrtc": "^144.1.0",
@@ -26,31 +26,31 @@
     "@types/react": "~19.2.14",
     "axios": "^1.16.1",
     "date-fns": "^4.4.0",
-    "expo": "~56.0.11",
+    "expo": "~56.0.12",
-    "expo-background-task": "~56.0.18",
+    "expo-background-task": "~56.0.19",
     "expo-callkit-telecom": "^0.3.9",
     "expo-camera": "~56.0.8",
     "expo-constants": "~56.0.18",
     "expo-dev-client": "~56.0.20",
     "expo-document-picker": "~56.0.4",
     "expo-file-system": "~56.0.8",
-    "expo-font": "~56.0.6",
+    "expo-font": "~56.0.7",
     "expo-haptics": "~56.0.3",
     "expo-image": "~56.0.6",
-    "expo-image-picker": "~56.0.17",
+    "expo-image-picker": "~56.0.18",
     "expo-intent-launcher": "~56.0.4",
     "expo-linear-gradient": "~56.0.4",
     "expo-linking": "~56.0.14",
     "expo-media-library": "~56.0.7",
-    "expo-notifications": "~56.0.17",
+    "expo-notifications": "~56.0.18",
-    "expo-router": "~56.2.10",
+    "expo-router": "~56.2.11",
     "expo-splash-screen": "~56.0.10",
     "expo-sqlite": "~56.0.5",
     "expo-status-bar": "~56.0.4",
     "expo-system-ui": "~56.0.5",
-    "expo-task-manager": "~56.0.18",
+    "expo-task-manager": "~56.0.19",
     "expo-updates": "~56.0.19",
-    "expo-video": "~56.1.3",
+    "expo-video": "~56.1.4",
     "jcore-react-native": "^2.3.6",
     "jpush-react-native": "^3.2.7",
     "katex": "^0.17.0",
@@ -89,7 +89,12 @@
   "expo": {
     "install": {
       "exclude": [
-        "expo-image"
+        "expo-image",
+        "@react-native-async-storage/async-storage",
+        "@shopify/flash-list",
+        "react-native-pager-view",
+        "react-native-gesture-handler",
+        "react-native-safe-area-context"
       ]
     }
   }

src/navigation/hrefs.ts

@@ -202,6 +202,10 @@ export function hrefProfileAbout(): string {
   return '/profile/about';
 }
 
+export function hrefProfileHelp(): string {
+  return '/profile/help';
+}
+
 export function hrefProfileTerms(): string {
   return '/terms';
 }

src/screens/profile/HelpScreen.tsx

@@ -0,0 +1,397 @@
+/**
+ * 帮助与反馈页面 HelpScreen
+ * 威友 - 常见问题、官方联系方式
+ * 扁平化设计风格，可折叠问答，参考关于我们、设置页面
+ */
+
+import React, { useMemo, useState, useCallback } from 'react';
+import {
+  View,
+  StyleSheet,
+  TouchableOpacity,
+  ScrollView,
+  Linking,
+  Alert,
+} from 'react-native';
+import { SafeAreaView, useSafeAreaInsets } from 'react-native-safe-area-context';
+import { MaterialCommunityIcons } from '@expo/vector-icons';
+import { StatusBar } from 'expo-status-bar';
+import { useRouter } from 'expo-router';
+import {
+  useAppColors,
+  spacing,
+  fontSizes,
+  borderRadius,
+  type AppColors,
+} from '../../theme';
+import { Text, SimpleHeader } from '../../components/common';
+import { useResponsive, useResponsiveSpacing } from '../../hooks';
+
+const CONTENT_MAX_WIDTH = 720;
+
+// 威友橙主题色
+const THEME_COLORS = {
+  primary: '#FF6B35',
+  primaryLight: '#FFF1EA',
+};
+
+// 官方联系邮箱
+const CONTACT_EMAIL = 'system@qczlit.cn';
+
+interface FAQItem {
+  q: string;
+  a: string;
+  /** 补充提示（如注意事项），与正文区分展示 */
+  note?: string;
+}
+
+interface FAQSection {
+  key: string;
+  title: string;
+  icon: string;
+  items: FAQItem[];
+}
+
+// 常见问题内容
+const FAQ_SECTIONS: FAQSection[] = [
+  {
+    key: 'account',
+    title: '账号与认证',
+    icon: 'account-check-outline',
+    items: [
+      {
+        q: '如何通过身份认证？',
+        a: '进入「我的」页面，点击右上角齿轮状设置图标，选择「身份认证」。按提示填写学号/工号、真实姓名，并上传有效佐证材料。提交后通常等待 1-2 小时即可完成审核。',
+      },
+      {
+        q: '忘记密码怎么找回？',
+        a: '在登录页点击「忘记密码」，通过已绑定的手机号或校内邮箱进行重置。若均未绑定，请联系客服人工处理。',
+      },
+      {
+        q: '如何绑定手机号？',
+        a: '进入「我的」页面，点击「编辑资料」，选择「手机号」，输入手机号码并完成验证即可绑定。',
+      },
+    ],
+  },
+  {
+    key: 'campus',
+    title: '校园工具',
+    icon: 'school-outline',
+    items: [
+      {
+        q: '如何查看课表？',
+        a: '进入「应用」页面，点击「课表」，点击左上角齿轮状设置图标，选择「同步教务系统」。输入学号/工号及教务系统密码即可同步。',
+        note: '该密码与统一身份认证密码不同。如遗忘，可登录新教务系统，进入「个人中心」→「修改密码」进行重置，默认密码为身份证号码后 6 位。',
+      },
+      {
+        q: '如何查找学习资料？',
+        a: '进入「应用」页面，点击「学习资料」，可按学科分类浏览，也可点击右上角搜索图标快速查找所需资料。',
+      },
+    ],
+  },
+  {
+    key: 'notification',
+    title: '消息与通知',
+    icon: 'bell-outline',
+    items: [
+      {
+        q: '如何及时收到消息通知？',
+        a: '请先在手机系统「设置」→「通知管理」或「应用管理」中，找到本 App，开启通知权限及自启动/后台运行权限；然后进入 App 内「我的」页面，点击右上角齿轮状设置图标，进入「通知管理」，确认所需消息提醒均已开启。设置完成后重启 App 即可生效。',
+      },
+    ],
+  },
+];
+
+function createHelpStyles(colors: AppColors) {
+  return StyleSheet.create({
+    container: {
+      flex: 1,
+      backgroundColor: colors.background.paper,
+    },
+    scrollContent: {
+      paddingVertical: spacing.lg,
+    },
+    content: {
+      maxWidth: CONTENT_MAX_WIDTH,
+      alignSelf: 'center',
+      width: '100%',
+    },
+
+    // 分组
+    section: {
+      marginBottom: spacing.xl,
+    },
+    sectionHeader: {
+      flexDirection: 'row',
+      alignItems: 'center',
+      paddingHorizontal: spacing['2xl'],
+      marginBottom: spacing.sm,
+      marginTop: spacing.sm,
+    },
+    sectionIcon: {
+      width: 22,
+      height: 22,
+      borderRadius: borderRadius.sm,
+      justifyContent: 'center',
+      alignItems: 'center',
+      marginRight: spacing.sm,
+    },
+    sectionTitle: {
+      fontWeight: '600',
+      fontSize: fontSizes.sm,
+      color: colors.text.secondary,
+      textTransform: 'uppercase',
+      letterSpacing: 0.5,
+    },
+
+    // 问答卡片
+    faqList: {
+      backgroundColor: colors.background.paper,
+      borderTopWidth: StyleSheet.hairlineWidth,
+      borderBottomWidth: StyleSheet.hairlineWidth,
+      borderColor: colors.divider,
+      overflow: 'hidden',
+    },
+    faqItem: {
+      borderBottomWidth: StyleSheet.hairlineWidth,
+      borderBottomColor: colors.divider,
+    },
+    faqItemLast: {
+      borderBottomWidth: 0,
+    },
+    faqQuestion: {
+      flexDirection: 'row',
+      alignItems: 'center',
+      paddingVertical: 16,
+      paddingHorizontal: spacing['2xl'],
+    },
+    questionText: {
+      flex: 1,
+      fontSize: fontSizes.lg,
+      fontWeight: '500',
+      color: colors.text.primary,
+      lineHeight: fontSizes.lg * 1.4,
+    },
+    faqAnswer: {
+      paddingHorizontal: spacing['2xl'],
+      paddingBottom: 16,
+    },
+    answerText: {
+      fontSize: fontSizes.md,
+      lineHeight: fontSizes.md * 1.7,
+      color: colors.text.secondary,
+    },
+
+    // 补充提示
+    noteContainer: {
+      flexDirection: 'row',
+      alignItems: 'flex-start',
+      marginTop: spacing.md,
+      padding: spacing.md,
+      backgroundColor: THEME_COLORS.primaryLight,
+      borderRadius: borderRadius.md,
+      gap: spacing.sm,
+    },
+    noteText: {
+      flex: 1,
+      fontSize: fontSizes.sm,
+      lineHeight: fontSizes.sm * 1.6,
+      color: colors.text.secondary,
+    },
+
+    // 联系我们
+    contactCard: {
+      marginHorizontal: spacing['2xl'],
+      marginTop: spacing.sm,
+      padding: spacing.xl,
+      borderRadius: borderRadius.xl,
+      backgroundColor: colors.background.default,
+      alignItems: 'center',
+    },
+    contactIconWrap: {
+      width: 52,
+      height: 52,
+      borderRadius: borderRadius.full,
+      backgroundColor: THEME_COLORS.primary,
+      justifyContent: 'center',
+      alignItems: 'center',
+      marginBottom: spacing.md,
+    },
+    contactTitle: {
+      fontSize: fontSizes.xl,
+      fontWeight: '600',
+      color: colors.text.primary,
+      marginBottom: spacing.xs,
+    },
+    contactDesc: {
+      fontSize: fontSizes.md,
+      color: colors.text.secondary,
+      textAlign: 'center',
+      marginBottom: spacing.lg,
+      lineHeight: fontSizes.md * 1.6,
+    },
+    contactButton: {
+      flexDirection: 'row',
+      alignItems: 'center',
+      justifyContent: 'center',
+      paddingVertical: spacing.md,
+      paddingHorizontal: spacing.xl,
+      borderRadius: borderRadius.full,
+      backgroundColor: THEME_COLORS.primary,
+      gap: spacing.sm,
+    },
+    contactButtonText: {
+      fontSize: fontSizes.md,
+      fontWeight: '600',
+      color: '#fff',
+    },
+
+    // 底部版权
+    footer: {
+      alignItems: 'center',
+      marginTop: spacing.xl,
+      paddingBottom: spacing.xl,
+    },
+    footerText: {
+      fontSize: fontSizes.sm,
+      color: colors.text.hint,
+      textAlign: 'center',
+    },
+  });
+}
+
+export const HelpScreen: React.FC = () => {
+  const colors = useAppColors();
+  const styles = useMemo(() => createHelpStyles(colors), [colors]);
+  const insets = useSafeAreaInsets();
+  const router = useRouter();
+  const { isMobile } = useResponsive();
+  const responsivePadding = useResponsiveSpacing({ xs: 8, sm: 12, md: 16, lg: 24, xl: 32 });
+
+  // 当前展开的问题 key（同一时刻仅展开一个）
+  const [expandedKey, setExpandedKey] = useState<string | null>(
+    `${FAQ_SECTIONS[0].key}-0`,
+  );
+
+  const scrollBottomInset = isMobile ? 64 + 24 + insets.bottom + spacing.md : spacing.md;
+
+  const toggleItem = useCallback((key: string) => {
+    setExpandedKey((prev) => (prev === key ? null : key));
+  }, []);
+
+  const handleContactEmail = useCallback(async () => {
+    const url = `mailto:${CONTACT_EMAIL}`;
+    try {
+      const canOpen = await Linking.canOpenURL(url);
+      if (canOpen) {
+        await Linking.openURL(url);
+      } else {
+        Alert.alert('联系我们', `请发送邮件至：${CONTACT_EMAIL}`);
+      }
+    } catch {
+      Alert.alert('联系我们', `请发送邮件至：${CONTACT_EMAIL}`);
+    }
+  }, []);
+
+  const renderFAQItem = (
+    section: FAQSection,
+    item: FAQItem,
+    index: number,
+  ) => {
+    const key = `${section.key}-${index}`;
+    const isExpanded = expandedKey === key;
+    const isLast = index === section.items.length - 1;
+
+    return (
+      <View
+        key={key}
+        style={[styles.faqItem, isLast && styles.faqItemLast]}
+      >
+        <TouchableOpacity
+          style={styles.faqQuestion}
+          onPress={() => toggleItem(key)}
+          activeOpacity={0.7}
+        >
+          <Text style={styles.questionText}>{item.q}</Text>
+          <MaterialCommunityIcons
+            name={isExpanded ? 'chevron-up' : 'chevron-down'}
+            size={20}
+            color={colors.text.hint}
+          />
+        </TouchableOpacity>
+        {isExpanded && (
+          <View style={styles.faqAnswer}>
+            <Text style={styles.answerText}>{item.a}</Text>
+            {item.note && (
+              <View style={styles.noteContainer}>
+                <MaterialCommunityIcons
+                  name="alert-circle-outline"
+                  size={16}
+                  color={THEME_COLORS.primary}
+                />
+                <Text style={styles.noteText}>{item.note}</Text>
+              </View>
+            )}
+          </View>
+        )}
+      </View>
+    );
+  };
+
+  const renderSection = (section: FAQSection) => (
+    <View key={section.key} style={styles.section}>
+      <View style={styles.sectionHeader}>
+        <View style={[styles.sectionIcon, { backgroundColor: THEME_COLORS.primaryLight }]}>
+          <MaterialCommunityIcons name={section.icon as any} size={14} color={THEME_COLORS.primary} />
+        </View>
+        <Text style={styles.sectionTitle}>{section.title}</Text>
+      </View>
+      <View style={styles.faqList}>
+        {section.items.map((item, index) => renderFAQItem(section, item, index))}
+      </View>
+    </View>
+  );
+
+  return (
+    <SafeAreaView style={styles.container} edges={['top', 'bottom']}>
+      <StatusBar style="auto" />
+      <SimpleHeader title="帮助与反馈" onBack={() => router.back()} />
+      <ScrollView
+        contentContainerStyle={[
+          styles.scrollContent,
+          { paddingBottom: scrollBottomInset, paddingHorizontal: responsivePadding },
+        ]}
+        showsVerticalScrollIndicator={false}
+      >
+        <View style={styles.content}>
+          {FAQ_SECTIONS.map(renderSection)}
+
+          {/* 联系我们 */}
+          <View style={styles.contactCard}>
+            <View style={styles.contactIconWrap}>
+              <MaterialCommunityIcons name="email-outline" size={26} color="#fff" />
+            </View>
+            <Text style={styles.contactTitle}>没有找到答案？</Text>
+            <Text style={styles.contactDesc}>
+              如果以上内容未能解决您的问题，欢迎通过邮件与官方团队联系，我们会尽快为您处理。
+            </Text>
+            <TouchableOpacity
+              style={styles.contactButton}
+              onPress={handleContactEmail}
+              activeOpacity={0.8}
+            >
+              <MaterialCommunityIcons name="email-fast-outline" size={18} color="#fff" />
+              <Text style={styles.contactButtonText}>{CONTACT_EMAIL}</Text>
+            </TouchableOpacity>
+          </View>
+
+          <View style={styles.footer}>
+            <Text style={styles.footerText}>© 2026 青春之旅电子信息科技（威海）有限公司</Text>
+          </View>
+        </View>
+      </ScrollView>
+    </SafeAreaView>
+  );
+};
+
+export default HelpScreen;

src/screens/profile/SettingsScreen.tsx

@@ -271,7 +271,7 @@ export const SettingsScreen: React.FC = () => {
         router.push(hrefs.hrefProfileAbout());
         break;
       case 'help':
-        Alert.alert('帮助与反馈', '帮助中心即将上线！');
+        router.push(hrefs.hrefProfileHelp());
         break;
 
       case 'edit_profile':

src/screens/profile/index.ts

@@ -15,6 +15,7 @@ export { NotificationSettingsScreen } from './NotificationSettingsScreen';
 export { BlockedUsersScreen } from './BlockedUsersScreen';
 export { AccountSecurityScreen } from './AccountSecurityScreen';
 export { AboutScreen } from './AboutScreen';
+export { HelpScreen } from './HelpScreen';
 export { TermsOfServiceScreen } from './TermsOfServiceScreen';
 export { PrivacyPolicyScreen } from './PrivacyPolicyScreen';
 export { VerificationSettingsScreen } from './VerificationSettingsScreen';

src/services/core/api.ts

@@ -505,6 +505,10 @@ class ApiClient {
 
     let data: ApiResponse<T>;
 
+    // 根据请求路径决定 form 字段名：
+    // 后端 UploadFile handler 期望字段名为 "file"，其余（图片/头像/封面）为 "image"
+    const fieldName = path === '/uploads/files' ? 'file' : 'image';
+
     if (Platform.OS === 'web') {
       // Web 端：fetch + Blob/File + FormData
       const formData = new FormData();
@@ -513,7 +517,7 @@ class ApiClient {
       const uploadFile = new File([blob], file.name, {
         type: file.type || blob.type || 'application/octet-stream',
       });
-      formData.append('image', uploadFile);
+      formData.append(fieldName, uploadFile);
 
       if (additionalData) {
         Object.keys(additionalData).forEach(key => {
@@ -534,7 +538,7 @@ class ApiClient {
       const result = await fsFile.upload(`${this.baseUrl}${path}`, {
         httpMethod: 'POST',
         uploadType: UploadType.MULTIPART,
-        fieldName: 'image',
+        fieldName,
         mimeType: file.type,
         headers,
         parameters: additionalData,