diff --git a/backend/services/identity-service/src/api/controllers/user-account.controller.ts b/backend/services/identity-service/src/api/controllers/user-account.controller.ts
index f5aa8123..0eeecbbe 100644
--- a/backend/services/identity-service/src/api/controllers/user-account.controller.ts
+++ b/backend/services/identity-service/src/api/controllers/user-account.controller.ts
@@ -5,6 +5,7 @@ import {
   Put,
   Body,
   Param,
+  Query,
   UseGuards,
   Headers,
   UseInterceptors,
@@ -19,6 +20,7 @@ import {
   ApiResponse,
   ApiConsumes,
   ApiBody,
+  ApiQuery,
 } from '@nestjs/swagger';
 import { UserApplicationService } from '@/application/services/user-application.service';
 import { StorageService } from '@/infrastructure/external/storage/storage.service';
@@ -597,4 +599,70 @@ export class UserAccountController {
       avatarUrl: result.url,
     };
   }
+
+  @Post('upload-image')
+  @ApiBearerAuth()
+  @ApiOperation({ summary: '上传通用图片' })
+  @ApiConsumes('multipart/form-data')
+  @ApiQuery({
+    name: 'category',
+    description: '图片分类 (如 office-photos)',
+    example: 'office-photos',
+  })
+  @ApiBody({
+    schema: {
+      type: 'object',
+      properties: {
+        file: {
+          type: 'string',
+          format: 'binary',
+          description: '图片文件 (支持 jpg, png, gif, webp, 最大10MB)',
+        },
+      },
+    },
+  })
+  @ApiResponse({ status: 200, description: '上传成功，返回图片URL' })
+  @UseInterceptors(FileInterceptor('file'))
+  async uploadImage(
+    @CurrentUser() user: CurrentUserData,
+    @Query('category') category: string,
+    @UploadedFile() file: Express.Multer.File,
+  ) {
+    // 验证分类
+    if (!category || category.trim() === '') {
+      throw new BadRequestException('请指定图片分类');
+    }
+
+    // 验证文件是否存在
+    if (!file) {
+      throw new BadRequestException('请选择要上传的图片');
+    }
+
+    // 验证文件类型
+    if (!this.storageService.isValidImageType(file.mimetype)) {
+      throw new BadRequestException(
+        '不支持的图片格式，请使用 jpg, png, gif 或 webp',
+      );
+    }
+
+    // 验证文件大小
+    if (file.size > this.storageService.maxImageSize) {
+      throw new BadRequestException('图片大小不能超过 10MB');
+    }
+
+    // 上传文件
+    const result = await this.storageService.uploadImage(
+      user.userId,
+      category.trim(),
+      file.buffer,
+      file.mimetype,
+    );
+
+    return {
+      message: '上传成功',
+      imageUrl: result.url,
+      key: result.key,
+      size: result.size,
+    };
+  }
 }
diff --git a/backend/services/identity-service/src/infrastructure/external/storage/storage.service.ts b/backend/services/identity-service/src/infrastructure/external/storage/storage.service.ts
index 3b7c847c..8a3efd7a 100644
--- a/backend/services/identity-service/src/infrastructure/external/storage/storage.service.ts
+++ b/backend/services/identity-service/src/infrastructure/external/storage/storage.service.ts
@@ -218,4 +218,58 @@ export class StorageService implements OnModuleInit {
   get maxAvatarSize(): number {
     return 5 * 1024 * 1024;
   }
+
+  /**
+   * 最大通用图片文件大小 (10MB)
+   */
+  get maxImageSize(): number {
+    return 10 * 1024 * 1024;
+  }
+
+  /**
+   * 上传通用图片
+   *
+   * 用于办公室照片等通用图片上传
+   *
+   * @param userId 用户ID
+   * @param category 分类 (如 'office-photos')
+   * @param buffer 文件内容
+   * @param contentType MIME类型 (image/jpeg, image/png, etc.)
+   * @returns 上传结果
+   */
+  async uploadImage(
+    userId: string,
+    category: string,
+    buffer: Buffer,
+    contentType: string,
+  ): Promise<UploadResult> {
+    // 使用 avatars bucket 存储所有用户图片
+    // 路径格式: userId/category/uuid.ext
+    const extension = this.getExtensionFromContentType(contentType);
+    const key = `${userId}/${category}/${uuidv4()}${extension}`;
+
+    try {
+      await this.client.putObject(
+        this.bucketAvatars,
+        key,
+        buffer,
+        buffer.length,
+        { 'Content-Type': contentType },
+      );
+
+      const url = `${this.publicUrl}/${this.bucketAvatars}/${key}`;
+
+      this.logger.log(`Image uploaded: ${key} (${buffer.length} bytes)`);
+
+      return {
+        key,
+        url,
+        size: buffer.length,
+        contentType,
+      };
+    } catch (error) {
+      this.logger.error(`Failed to upload image: ${error.message}`);
+      throw new Error(`文件上传失败: ${error.message}`);
+    }
+  }
 }
diff --git a/frontend/mobile-app/lib/core/constants/api_endpoints.dart b/frontend/mobile-app/lib/core/constants/api_endpoints.dart
index bcc6ffc6..97382f8c 100644
--- a/frontend/mobile-app/lib/core/constants/api_endpoints.dart
+++ b/frontend/mobile-app/lib/core/constants/api_endpoints.dart
@@ -80,6 +80,8 @@ class ApiEndpoints {
   static const String myAuthorizations = '$authorizations/my';  // 获取我的授权列表
   static const String myCommunityHierarchy = '$authorizations/my/community-hierarchy';  // 获取社区层级
   static const String stickmanRanking = '$authorizations/ranking/stickman';  // 火柴人排名
+  static const String selfApplyStatus = '$authorizations/self-apply/status';  // 获取自助申请状态
+  static const String selfApply = '$authorizations/self-apply';  // 自助申请授权
 
   // Telemetry (-> Reporting Service)
   static const String telemetry = '/telemetry';
diff --git a/frontend/mobile-app/lib/core/services/account_service.dart b/frontend/mobile-app/lib/core/services/account_service.dart
index 2eeb6e13..51c24b1f 100644
--- a/frontend/mobile-app/lib/core/services/account_service.dart
+++ b/frontend/mobile-app/lib/core/services/account_service.dart
@@ -1214,6 +1214,89 @@ class AccountService {
     }
   }
 
+  /// 上传通用图片
+  ///
+  /// [imageFile] - 图片文件
+  /// [category] - 图片分类 (如 'office-photos')
+  /// 返回图片URL
+  Future<String> uploadImage(File imageFile, String category) async {
+    debugPrint('$_tag uploadImage() - 开始上传图片');
+    debugPrint('$_tag uploadImage() - 文件路径: ${imageFile.path}, 分类: $category');
+
+    try {
+      // 获取文件名和MIME类型
+      final fileName = imageFile.path.split('/').last;
+      final extension = fileName.split('.').last.toLowerCase();
+
+      String mimeType;
+      switch (extension) {
+        case 'jpg':
+        case 'jpeg':
+          mimeType = 'image/jpeg';
+          break;
+        case 'png':
+          mimeType = 'image/png';
+          break;
+        case 'gif':
+          mimeType = 'image/gif';
+          break;
+        case 'webp':
+          mimeType = 'image/webp';
+          break;
+        default:
+          mimeType = 'image/jpeg';
+      }
+
+      debugPrint('$_tag uploadImage() - 文件名: $fileName, MIME: $mimeType');
+
+      // 创建 FormData
+      final formData = FormData.fromMap({
+        'file': await MultipartFile.fromFile(
+          imageFile.path,
+          filename: fileName,
+          contentType: DioMediaType.parse(mimeType),
+        ),
+      });
+
+      // 调用 API
+      debugPrint('$_tag uploadImage() - 调用 POST /user/upload-image?category=$category');
+      final response = await _apiClient.post(
+        '/user/upload-image',
+        data: formData,
+        queryParameters: {'category': category},
+      );
+      debugPrint('$_tag uploadImage() - API 响应状态码: ${response.statusCode}');
+
+      if (response.data == null) {
+        throw const ApiException('上传图片失败: 空响应');
+      }
+
+      final responseData = response.data as Map<String, dynamic>;
+      debugPrint('$_tag uploadImage() - responseData: $responseData');
+
+      final data = responseData['data'] as Map<String, dynamic>?;
+      if (data == null) {
+        throw const ApiException('上传图片失败: 响应数据格式错误');
+      }
+
+      final imageUrl = data['imageUrl'] as String?;
+      debugPrint('$_tag uploadImage() - 图片URL: $imageUrl');
+
+      if (imageUrl == null || imageUrl.isEmpty) {
+        throw const ApiException('上传图片失败: 未返回图片URL');
+      }
+
+      return imageUrl;
+    } on ApiException catch (e) {
+      debugPrint('$_tag uploadImage() - API 异常: $e');
+      rethrow;
+    } catch (e, stackTrace) {
+      debugPrint('$_tag uploadImage() - 未知异常: $e');
+      debugPrint('$_tag uploadImage() - 堆栈: $stackTrace');
+      throw ApiException('上传图片失败: $e');
+    }
+  }
+
   /// 获取我的资料（从服务器）
   Future<Map<String, dynamic>> getMyProfile() async {
     debugPrint('$_tag getMyProfile() - 获取我的资料');
diff --git a/frontend/mobile-app/lib/core/services/authorization_service.dart b/frontend/mobile-app/lib/core/services/authorization_service.dart
index b3d6ca02..8bccea38 100644
--- a/frontend/mobile-app/lib/core/services/authorization_service.dart
+++ b/frontend/mobile-app/lib/core/services/authorization_service.dart
@@ -312,6 +312,122 @@ class CommunityHierarchy {
   }
 }
 
+/// 自助申请授权类型
+enum SelfApplyAuthorizationType {
+  community,
+  cityTeam,
+  provinceTeam,
+}
+
+extension SelfApplyAuthorizationTypeExtension on SelfApplyAuthorizationType {
+  String get value {
+    switch (this) {
+      case SelfApplyAuthorizationType.community:
+        return 'COMMUNITY';
+      case SelfApplyAuthorizationType.cityTeam:
+        return 'CITY_TEAM';
+      case SelfApplyAuthorizationType.provinceTeam:
+        return 'PROVINCE_TEAM';
+    }
+  }
+
+  String get displayName {
+    switch (this) {
+      case SelfApplyAuthorizationType.community:
+        return '社区';
+      case SelfApplyAuthorizationType.cityTeam:
+        return '市团队';
+      case SelfApplyAuthorizationType.provinceTeam:
+        return '省团队';
+    }
+  }
+}
+
+/// 待审核申请信息
+class PendingApplication {
+  final String applicationId;
+  final String type;
+  final DateTime appliedAt;
+
+  PendingApplication({
+    required this.applicationId,
+    required this.type,
+    required this.appliedAt,
+  });
+
+  factory PendingApplication.fromJson(Map<String, dynamic> json) {
+    return PendingApplication(
+      applicationId: json['applicationId'] ?? '',
+      type: json['type'] ?? '',
+      appliedAt: json['appliedAt'] != null
+          ? DateTime.parse(json['appliedAt'])
+          : DateTime.now(),
+    );
+  }
+}
+
+/// 用户授权申请状态响应
+class UserAuthorizationStatusResponse {
+  final bool hasPlanted;
+  final int plantedCount;
+  final List<String> existingAuthorizations;
+  final List<PendingApplication> pendingApplications;
+
+  UserAuthorizationStatusResponse({
+    required this.hasPlanted,
+    required this.plantedCount,
+    required this.existingAuthorizations,
+    required this.pendingApplications,
+  });
+
+  factory UserAuthorizationStatusResponse.fromJson(Map<String, dynamic> json) {
+    return UserAuthorizationStatusResponse(
+      hasPlanted: json['hasPlanted'] ?? false,
+      plantedCount: json['plantedCount'] ?? 0,
+      existingAuthorizations: (json['existingAuthorizations'] as List<dynamic>?)
+          ?.map((e) => e.toString())
+          .toList() ?? [],
+      pendingApplications: (json['pendingApplications'] as List<dynamic>?)
+          ?.map((e) => PendingApplication.fromJson(e as Map<String, dynamic>))
+          .toList() ?? [],
+    );
+  }
+}
+
+/// 自助申请授权响应
+class SelfApplyAuthorizationResponse {
+  final String applicationId;
+  final String status;
+  final String type;
+  final DateTime appliedAt;
+  final DateTime? reviewedAt;
+  final String? reviewNote;
+
+  SelfApplyAuthorizationResponse({
+    required this.applicationId,
+    required this.status,
+    required this.type,
+    required this.appliedAt,
+    this.reviewedAt,
+    this.reviewNote,
+  });
+
+  factory SelfApplyAuthorizationResponse.fromJson(Map<String, dynamic> json) {
+    return SelfApplyAuthorizationResponse(
+      applicationId: json['applicationId'] ?? '',
+      status: json['status'] ?? 'PENDING',
+      type: json['type'] ?? '',
+      appliedAt: json['appliedAt'] != null
+          ? DateTime.parse(json['appliedAt'])
+          : DateTime.now(),
+      reviewedAt: json['reviewedAt'] != null
+          ? DateTime.parse(json['reviewedAt'])
+          : null,
+      reviewNote: json['reviewNote'],
+    );
+  }
+}
+
 /// 火柴人排名响应
 class StickmanRankingResponse {
   final String id;
@@ -480,4 +596,109 @@ class AuthorizationService {
       rethrow;
     }
   }
+
+  /// 获取用户授权申请状态
+  ///
+  /// 返回用户是否已认种、认种棵数、已有授权和待审核申请
+  /// 调用 GET /authorizations/self-apply/status
+  Future<UserAuthorizationStatusResponse> getSelfApplyStatus() async {
+    try {
+      debugPrint('获取授权申请状态...');
+      final response = await _apiClient.get(ApiEndpoints.selfApplyStatus);
+
+      if (response.statusCode == 200) {
+        final responseData = response.data;
+        Map<String, dynamic>? data;
+        if (responseData is Map<String, dynamic>) {
+          if (responseData.containsKey('data')) {
+            data = responseData['data'] as Map<String, dynamic>?;
+          } else {
+            data = responseData;
+          }
+        }
+
+        if (data != null) {
+          final status = UserAuthorizationStatusResponse.fromJson(data);
+          debugPrint('授权申请状态获取成功: hasPlanted=${status.hasPlanted}, plantedCount=${status.plantedCount}');
+          return status;
+        }
+        throw Exception('授权申请状态数据格式错误');
+      }
+
+      throw Exception('获取授权申请状态失败');
+    } catch (e) {
+      debugPrint('获取授权申请状态失败: $e');
+      rethrow;
+    }
+  }
+
+  /// 自助申请授权
+  ///
+  /// [type] 申请类型（社区、市团队、省团队）
+  /// [officePhotoUrls] 办公室照片URL列表（至少2张，最多6张）
+  /// [communityName] 社区名称（申请社区时必填）
+  /// [provinceCode] 省份代码（申请省团队时必填）
+  /// [provinceName] 省份名称（申请省团队时必填）
+  /// [cityCode] 城市代码（申请市团队时必填）
+  /// [cityName] 城市名称（申请市团队时必填）
+  Future<SelfApplyAuthorizationResponse> selfApplyAuthorization({
+    required SelfApplyAuthorizationType type,
+    required List<String> officePhotoUrls,
+    String? communityName,
+    String? provinceCode,
+    String? provinceName,
+    String? cityCode,
+    String? cityName,
+  }) async {
+    try {
+      debugPrint('自助申请授权: type=${type.value}');
+
+      final body = <String, dynamic>{
+        'type': type.value,
+        'officePhotoUrls': officePhotoUrls,
+      };
+
+      // 根据申请类型添加必填字段
+      if (type == SelfApplyAuthorizationType.community && communityName != null) {
+        body['communityName'] = communityName;
+      }
+      if (type == SelfApplyAuthorizationType.provinceTeam) {
+        if (provinceCode != null) body['provinceCode'] = provinceCode;
+        if (provinceName != null) body['provinceName'] = provinceName;
+      }
+      if (type == SelfApplyAuthorizationType.cityTeam) {
+        if (cityCode != null) body['cityCode'] = cityCode;
+        if (cityName != null) body['cityName'] = cityName;
+      }
+
+      final response = await _apiClient.post(
+        ApiEndpoints.selfApply,
+        data: body,
+      );
+
+      if (response.statusCode == 200 || response.statusCode == 201) {
+        final responseData = response.data;
+        Map<String, dynamic>? data;
+        if (responseData is Map<String, dynamic>) {
+          if (responseData.containsKey('data')) {
+            data = responseData['data'] as Map<String, dynamic>?;
+          } else {
+            data = responseData;
+          }
+        }
+
+        if (data != null) {
+          final result = SelfApplyAuthorizationResponse.fromJson(data);
+          debugPrint('自助申请授权成功: applicationId=${result.applicationId}');
+          return result;
+        }
+        throw Exception('申请响应数据格式错误');
+      }
+
+      throw Exception('自助申请授权失败');
+    } catch (e) {
+      debugPrint('自助申请授权失败: $e');
+      rethrow;
+    }
+  }
 }
diff --git a/frontend/mobile-app/lib/features/authorization/presentation/pages/authorization_apply_page.dart b/frontend/mobile-app/lib/features/authorization/presentation/pages/authorization_apply_page.dart
index bf5cc0a0..103b4689 100644
--- a/frontend/mobile-app/lib/features/authorization/presentation/pages/authorization_apply_page.dart
+++ b/frontend/mobile-app/lib/features/authorization/presentation/pages/authorization_apply_page.dart
@@ -3,6 +3,8 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
 import 'package:image_picker/image_picker.dart';
+import '../../../../core/di/injection_container.dart';
+import '../../../../core/services/authorization_service.dart';
 
 /// 授权类型枚举
 enum AuthorizationType {
@@ -84,18 +86,15 @@ class _AuthorizationApplyPageState
     });
 
     try {
-      // TODO: 调用API获取用户认种状态和已有授权
-      // final authService = ref.read(authorizationServiceProvider);
-      // final status = await authService.getUserAuthorizationStatus();
-
-      // 模拟数据
-      await Future.delayed(const Duration(milliseconds: 500));
+      // 调用API获取用户认种状态和已有授权
+      final authService = ref.read(authorizationServiceProvider);
+      final status = await authService.getSelfApplyStatus();
 
       if (mounted) {
         setState(() {
-          _hasPlanted = true; // 模拟已认种
-          _plantedCount = 10; // 模拟认种10棵
-          _existingAuthorizations = []; // 模拟无已有授权
+          _hasPlanted = status.hasPlanted;
+          _plantedCount = status.plantedCount;
+          _existingAuthorizations = status.existingAuthorizations;
           _isLoading = false;
         });
       }
@@ -206,15 +205,38 @@ class _AuthorizationApplyPageState
     });
 
     try {
-      // TODO: 调用API提交申请
-      // final authService = ref.read(authorizationServiceProvider);
-      // await authService.submitAuthorizationApplication(
-      //   type: _selectedType!,
-      //   officePhotos: _officePhotos,
-      // );
+      final accountService = ref.read(accountServiceProvider);
+      final authService = ref.read(authorizationServiceProvider);
 
-      // 模拟请求
-      await Future.delayed(const Duration(seconds: 2));
+      // 1. 上传所有照片获取URL列表
+      final photoUrls = <String>[];
+      for (int i = 0; i < _officePhotos.length; i++) {
+        final url = await accountService.uploadImage(
+          _officePhotos[i],
+          'office-photos',
+        );
+        photoUrls.add(url);
+      }
+
+      // 2. 将 AuthorizationType 转换为 SelfApplyAuthorizationType
+      SelfApplyAuthorizationType selfApplyType;
+      switch (_selectedType!) {
+        case AuthorizationType.community:
+          selfApplyType = SelfApplyAuthorizationType.community;
+          break;
+        case AuthorizationType.cityTeam:
+          selfApplyType = SelfApplyAuthorizationType.cityTeam;
+          break;
+        case AuthorizationType.provinceTeam:
+          selfApplyType = SelfApplyAuthorizationType.provinceTeam;
+          break;
+      }
+
+      // 3. 提交授权申请
+      await authService.selfApplyAuthorization(
+        type: selfApplyType,
+        officePhotoUrls: photoUrls,
+      );
 
       if (mounted) {
         setState(() {