chore: release v1.0.17

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

CHANGELOG.md

@@ -5,6 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.17] - 2026-06-05
+
+### 新功能
+- 意见反馈（Bug 反馈 / 功能建议）改为应用内直接提交，支持文字 + 图片（最多 9 张），不再跳转邮件
+
+### 改进
+- 「关于」更名为「关于我们」并移至左侧菜单，成为独立页面
+- 打印时默认文件名带类型与时间戳（如 标签_20260605_103000、入库单_…、出库单_…），方便「打印到 PDF」保存归档
+
 ## [1.0.16] - 2026-06-05
 
 ### 新功能

backend/internal/handler/feedback.go

@@ -0,0 +1,198 @@
+package handler
+
+import (
+	"fmt"
+	"image"
+	_ "image/jpeg"
+	_ "image/png"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+
+	"github.com/disintegration/imaging"
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+
+	"github.com/wangjia/jiu/backend/config"
+	"github.com/wangjia/jiu/backend/internal/middleware"
+	"github.com/wangjia/jiu/backend/internal/model"
+)
+
+type FeedbackHandler struct{ db *gorm.DB }
+
+func NewFeedbackHandler(db *gorm.DB) *FeedbackHandler {
+	return &FeedbackHandler{db: db}
+}
+
+type submitFeedbackRequest struct {
+	Type       string   `json:"type" binding:"required,oneof=bug suggestion"`
+	Content    string   `json:"content"`
+	Images     []string `json:"images"`
+	AppVersion string   `json:"app_version"`
+	Platform   string   `json:"platform"`
+}
+
+// Submit POST /api/v1/feedback （需登录）
+func (h *FeedbackHandler) Submit(c *gin.Context) {
+	shopID := middleware.GetShopID(c)
+	userID := middleware.GetUserID(c)
+	role := c.GetString(middleware.CtxRole)
+
+	var req submitFeedbackRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	if strings.TrimSpace(req.Content) == "" && len(req.Images) == 0 {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "请填写反馈内容或添加图片"})
+		return
+	}
+	if len(req.Images) > 9 {
+		req.Images = req.Images[:9]
+	}
+
+	// 去规范化：从 JWT 身份补全 username / shop_code，便于后台查看
+	var username string
+	var u model.User
+	if err := h.db.Select("username").First(&u, userID).Error; err == nil {
+		username = u.Username
+	}
+	var shopCode string
+	var shop model.Shop
+	if err := h.db.Select("code").First(&shop, shopID).Error; err == nil {
+		shopCode = shop.Code
+	}
+
+	fb := model.Feedback{
+		ShopID:     shopID,
+		ShopCode:   shopCode,
+		UserID:     userID,
+		Username:   username,
+		Role:       role,
+		Type:       req.Type,
+		Content:    strings.TrimSpace(req.Content),
+		Images:     req.Images,
+		AppVersion: req.AppVersion,
+		Platform:   req.Platform,
+		ClientIP:   c.ClientIP(),
+		Status:     "new",
+	}
+	if err := h.db.Create(&fb).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "submit failed"})
+		return
+	}
+	c.JSON(http.StatusCreated, gin.H{"id": fb.ID})
+}
+
+// UploadImage POST /api/v1/feedback/images （需登录）
+func (h *FeedbackHandler) UploadImage(c *gin.Context) {
+	shopID := middleware.GetShopID(c)
+
+	// 限制 5MB
+	if err := c.Request.ParseMultipartForm(5 << 20); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "文件超过 5MB 限制"})
+		return
+	}
+	file, _, err := c.Request.FormFile("file")
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "请上传文件（field: file）"})
+		return
+	}
+	defer file.Close()
+
+	img, _, err := image.Decode(file)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "仅支持 JPEG/PNG 图片"})
+		return
+	}
+	resized := imaging.Fit(img, 1600, 1600, imaging.Lanczos)
+
+	filename := uuid.New().String() + ".jpg"
+	subdir := fmt.Sprintf("%s/feedback/%d", config.C.Storage.UploadDir, shopID)
+	if err := os.MkdirAll(subdir, 0755); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "存储目录创建失败"})
+		return
+	}
+	fullPath := filepath.Join(subdir, filename)
+	if err := imaging.Save(resized, fullPath, imaging.JPEGQuality(85)); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "图片保存失败"})
+		return
+	}
+
+	relURL := fmt.Sprintf("/images/feedback/%d/%s", shopID, filename)
+	c.JSON(http.StatusCreated, gin.H{"url": relURL})
+}
+
+// List GET /api/v1/admin/feedback （仅超级管理员）
+func (h *FeedbackHandler) List(c *gin.Context) {
+	var q struct {
+		Type     string `form:"type"`
+		Status   string `form:"status"`
+		ShopID   uint64 `form:"shop_id"`
+		Page     int    `form:"page,default=1"`
+		PageSize int    `form:"page_size,default=50"`
+	}
+	if err := c.ShouldBindQuery(&q); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	if q.PageSize <= 0 || q.PageSize > 200 {
+		q.PageSize = 50
+	}
+	if q.Page <= 0 {
+		q.Page = 1
+	}
+
+	db := h.db.Model(&model.Feedback{})
+	if q.Type != "" {
+		db = db.Where("type = ?", q.Type)
+	}
+	if q.Status != "" {
+		db = db.Where("status = ?", q.Status)
+	}
+	if q.ShopID != 0 {
+		db = db.Where("shop_id = ?", q.ShopID)
+	}
+
+	var total int64
+	db.Count(&total)
+
+	var list []model.Feedback
+	db.Order("id DESC").Offset((q.Page - 1) * q.PageSize).Limit(q.PageSize).Find(&list)
+
+	c.JSON(http.StatusOK, gin.H{
+		"data":      list,
+		"total":     total,
+		"page":      q.Page,
+		"page_size": q.PageSize,
+	})
+}
+
+// UpdateStatus PATCH /api/v1/admin/feedback/:id （仅超级管理员）
+func (h *FeedbackHandler) UpdateStatus(c *gin.Context) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid id"})
+		return
+	}
+	var req struct {
+		Status string `json:"status" binding:"required,oneof=new handled"`
+	}
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	res := h.db.Model(&model.Feedback{}).Where("id = ?", id).Update("status", req.Status)
+	if res.Error != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": res.Error.Error()})
+		return
+	}
+	if res.RowsAffected == 0 {
+		c.JSON(http.StatusNotFound, gin.H{"error": "not found"})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"message": "updated"})
+}

backend/internal/handler/feedback_test.go

@@ -0,0 +1,72 @@
+package handler
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/wangjia/jiu/backend/internal/middleware"
+	"github.com/wangjia/jiu/backend/internal/model"
+	"github.com/wangjia/jiu/backend/testutil"
+)
+
+func TestFeedbackHandler_SubmitAndList(t *testing.T) {
+	db := testutil.SetupTestDB()
+	require.NoError(t, db.AutoMigrate(&model.Feedback{}))
+	shop := testutil.CreateTestShop(db, "FB001")
+	user := testutil.CreateTestUser(db, shop.ID, "fbuser", "pass", "admin")
+	token := getAuthToken(user.ID, shop.ID, "admin")
+
+	fh := NewFeedbackHandler(db)
+	r := gin.New()
+	r.Use(gin.Recovery())
+	api := r.Group("/api/v1")
+	api.Use(middleware.JWT())
+	api.POST("/feedback", fh.Submit)
+	adminG := api.Group("/admin")
+	adminG.Use(middleware.SuperAdminOnly())
+	adminG.GET("/feedback", fh.List)
+
+	// 1. 正常提交（文字 + 图片）
+	w := makeRequest(r, "POST", "/api/v1/feedback", token, map[string]interface{}{
+		"type":    "bug",
+		"content": "打印时卡住了",
+		"images":  []string{"/images/feedback/1/a.jpg"},
+	})
+	require.Equal(t, http.StatusCreated, w.Code)
+	assert.NotZero(t, parseResponse(w)["id"])
+
+	// 去规范化字段已写入
+	var fb model.Feedback
+	require.NoError(t, db.Order("id DESC").First(&fb).Error)
+	assert.Equal(t, "fbuser", fb.Username)
+	assert.Equal(t, "FB001", fb.ShopCode)
+	assert.Equal(t, "new", fb.Status)
+	assert.Equal(t, 1, len(fb.Images))
+
+	// 2. 内容与图片都为空 → 400
+	w = makeRequest(r, "POST", "/api/v1/feedback", token, map[string]interface{}{
+		"type": "suggestion",
+	})
+	assert.Equal(t, http.StatusBadRequest, w.Code)
+
+	// 3. 非法 type → 400
+	w = makeRequest(r, "POST", "/api/v1/feedback", token, map[string]interface{}{
+		"type":    "other",
+		"content": "x",
+	})
+	assert.Equal(t, http.StatusBadRequest, w.Code)
+
+	// 4. 普通管理员访问 admin 列表 → 403
+	w = makeRequest(r, "GET", "/api/v1/admin/feedback", token, nil)
+	assert.Equal(t, http.StatusForbidden, w.Code)
+
+	// 5. 超级管理员可列出
+	superToken := getAuthToken(user.ID, shop.ID, "superadmin")
+	w = makeRequest(r, "GET", "/api/v1/admin/feedback", superToken, nil)
+	require.Equal(t, http.StatusOK, w.Code)
+	assert.GreaterOrEqual(t, parseResponse(w)["total"].(float64), float64(1))
+}

backend/internal/model/feedback.go

@@ -0,0 +1,58 @@
+package model
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// StringSlice 以 JSON 数组形式存储的字符串切片（用于图片 URL 列表）
+type StringSlice []string
+
+func (s StringSlice) Value() (driver.Value, error) {
+	if s == nil {
+		return "[]", nil
+	}
+	b, err := json.Marshal(s)
+	return string(b), err
+}
+
+func (s *StringSlice) Scan(value interface{}) error {
+	if value == nil {
+		*s = nil
+		return nil
+	}
+	var b []byte
+	switch v := value.(type) {
+	case string:
+		b = []byte(v)
+	case []byte:
+		b = v
+	default:
+		return fmt.Errorf("cannot scan %T into StringSlice", value)
+	}
+	if len(b) == 0 {
+		*s = nil
+		return nil
+	}
+	return json.Unmarshal(b, s)
+}
+
+// Feedback 用户意见反馈（bug / 功能建议）：文字 + 附图。多租户按 ShopID 隔离。
+type Feedback struct {
+	ID         uint64      `gorm:"primaryKey;autoIncrement"            json:"id"`
+	CreatedAt  time.Time   `json:"created_at"`
+	ShopID     uint64      `gorm:"index;not null"                      json:"shop_id"`
+	ShopCode   string      `gorm:"size:50"                             json:"shop_code"`
+	UserID     uint64      `gorm:"index"                               json:"user_id"`
+	Username   string      `gorm:"size:50"                             json:"username"`
+	Role       string      `gorm:"size:20"                             json:"role"`
+	Type       string      `gorm:"size:20;not null;index"              json:"type"` // bug / suggestion
+	Content    string      `gorm:"type:text"                           json:"content"`
+	Images     StringSlice `gorm:"type:json"                           json:"images"`
+	AppVersion string      `gorm:"size:30"                             json:"app_version"`
+	Platform   string      `gorm:"size:20"                             json:"platform"`
+	ClientIP   string      `gorm:"size:60"                             json:"client_ip"`
+	Status     string      `gorm:"size:20;not null;default:new;index"  json:"status"` // new / handled
+}

backend/internal/router/router.go

@@ -34,6 +34,7 @@ func Setup(r *gin.Engine, db *gorm.DB) {
 	adminH := handler.NewAdminHandler(db)
 	shopH := handler.NewShopHandler(db)
 	errorReportH := handler.NewErrorReportHandler(db)
+	feedbackH := handler.NewFeedbackHandler(db)
 
 	// 健康检查（无需认证，用于前端连通性探测）
 	r.GET("/health", func(c *gin.Context) {
@@ -171,6 +172,13 @@ func Setup(r *gin.Engine, db *gorm.DB) {
 			shop.POST("/logo", middleware.AdminOnly(), shopH.UploadLogo)
 		}
 
+		// 意见反馈（文字 + 附图，直接提交后台）
+		feedback := api.Group("/feedback")
+		{
+			feedback.POST("", feedbackH.Submit)
+			feedback.POST("/images", feedbackH.UploadImage)
+		}
+
 		// 编号规则
 		numberRules := api.Group("/number-rules")
 		{
@@ -217,6 +225,8 @@ func Setup(r *gin.Engine, db *gorm.DB) {
 		{
 			superAdmin.POST("/clear-data", adminH.ClearData)
 			superAdmin.GET("/errors", errorReportH.List)
+			superAdmin.GET("/feedback", feedbackH.List)
+			superAdmin.PATCH("/feedback/:id", feedbackH.UpdateStatus)
 		}
 	}
 }

backend/main.go

@@ -109,6 +109,7 @@ func autoMigrate(db *gorm.DB) {
 		&model.ProductSpecOption{},
 		&model.ProductImage{},
 		&model.ErrorReport{},
+		&model.Feedback{},
 	)
 	if err != nil {
 		log.Fatalf("auto migrate failed: %v", err)

backend/schema/schema.sql

@@ -446,4 +446,26 @@ CREATE TABLE IF NOT EXISTS `product_spec_options` (
   KEY `idx_deleted_at` (`deleted_at`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='商品规格选项';
 
+CREATE TABLE IF NOT EXISTS `feedbacks` (
+  `id`          BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `created_at`  DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  `shop_id`     BIGINT UNSIGNED NOT NULL,
+  `shop_code`   VARCHAR(50)  DEFAULT NULL,
+  `user_id`     BIGINT UNSIGNED DEFAULT NULL,
+  `username`    VARCHAR(50)  DEFAULT NULL,
+  `role`        VARCHAR(20)  DEFAULT NULL,
+  `type`        VARCHAR(20)  NOT NULL COMMENT 'bug / suggestion',
+  `content`     TEXT,
+  `images`      JSON,
+  `app_version` VARCHAR(30)  DEFAULT NULL,
+  `platform`    VARCHAR(20)  DEFAULT NULL,
+  `client_ip`   VARCHAR(60)  DEFAULT NULL,
+  `status`      VARCHAR(20)  NOT NULL DEFAULT 'new',
+  PRIMARY KEY (`id`),
+  KEY `idx_shop_id` (`shop_id`),
+  KEY `idx_user_id` (`user_id`),
+  KEY `idx_type` (`type`),
+  KEY `idx_status` (`status`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='用户意见反馈';
+
 SET FOREIGN_KEY_CHECKS = 1;

client/lib/core/router/app_router.dart

@@ -15,6 +15,7 @@ import '../../screens/products/products_screen.dart';
 import '../../screens/products/product_detail_screen.dart';
 import '../../screens/public/public_product_screen.dart';
 import '../../screens/settings/settings_screen.dart';
+import '../../screens/about/about_screen.dart';
 import '../auth/auth_state.dart';
 
 Page<void> _noTransition(Widget child) =>
@@ -131,6 +132,9 @@ final appRouterProvider = Provider<GoRouter>((ref) {
           GoRoute(
               path: '/settings',
               pageBuilder: (_, __) => _noTransition(const SettingsScreen())),
+          GoRoute(
+              path: '/about',
+              pageBuilder: (_, __) => _noTransition(const AboutScreen())),
         ],
       ),
     ],

client/lib/core/utils/print_util_stub.dart

@@ -17,6 +17,13 @@ Future<pw.Font> _loadBoldFont() async {
   return pw.Font.ttf(data);
 }
 
+/// 打印任务/另存默认文件名的时间戳：yyyyMMdd_HHmmss
+String _fileTs() {
+  final n = DateTime.now();
+  String p(int v) => v.toString().padLeft(2, '0');
+  return '${n.year}${p(n.month)}${p(n.day)}_${p(n.hour)}${p(n.minute)}${p(n.second)}';
+}
+
 // ── 设计色彩 token ──────────────────────────────────────────────────────────
 const _navy     = PdfColor(0.122, 0.165, 0.227);  // #1F2A3A  header/chip
 const _cream    = PdfColor(0.957, 0.925, 0.847);  // #F4ECD8  footer/reversed text
@@ -191,7 +198,8 @@ Future<void> printProductLabelImpl({
     ),
   ));
 
-    await Printing.layoutPdf(onLayout: (_) async => doc.save());
+    await Printing.layoutPdf(
+        name: '标签_${_fileTs()}', onLayout: (_) async => doc.save());
   } catch (e, st) {
     reportError(e, st);
     throw Exception('打印失败，请检查打印机连接和驱动是否正常。\n详情：$e');
@@ -431,7 +439,8 @@ Future<void> printStockInOrderImpl(StockInOrder order) async {
       ),
     ],
   ));
-    await Printing.layoutPdf(onLayout: (_) async => doc.save());
+    await Printing.layoutPdf(
+        name: '入库单_${_fileTs()}', onLayout: (_) async => doc.save());
   } catch (e, st) {
     reportError(e, st);
     throw Exception('打印失败，请检查打印机连接和驱动是否正常。\n详情：$e');
@@ -486,7 +495,8 @@ Future<void> printStockOutOrderImpl(StockOutOrder order) async {
     ],
   ));
   try {
-    await Printing.layoutPdf(onLayout: (_) async => doc.save());
+    await Printing.layoutPdf(
+        name: '出库单_${_fileTs()}', onLayout: (_) async => doc.save());
   } catch (e, st) {
     reportError(e, st);
     throw Exception('打印失败，请检查打印机连接和驱动是否正常。\n详情：$e');

client/lib/providers/feedback_provider.dart

@@ -0,0 +1,7 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../core/api/api_client.dart';
+import '../repositories/feedback_repository.dart';
+
+final feedbackRepositoryProvider = Provider<FeedbackRepository>((ref) {
+  return FeedbackRepository(ref.watch(apiClientProvider));
+});

client/lib/repositories/feedback_repository.dart

@@ -0,0 +1,78 @@
+import 'package:dio/dio.dart';
+import 'package:flutter/foundation.dart';
+import 'package:package_info_plus/package_info_plus.dart';
+import '../core/api/api_client.dart';
+import '../core/exceptions.dart';
+
+class FeedbackRepository {
+  final ApiClient _client;
+  const FeedbackRepository(this._client);
+
+  /// 上传单张图片，返回服务器相对 URL（/images/feedback/...）。
+  Future<String> uploadImage({
+    Uint8List? bytes,
+    String? filePath,
+    String filename = 'image.jpg',
+  }) async {
+    try {
+      final MultipartFile file;
+      if (bytes != null) {
+        file = MultipartFile.fromBytes(bytes, filename: filename);
+      } else {
+        file = await MultipartFile.fromFile(filePath!);
+      }
+      final formData = FormData.fromMap({'file': file});
+      final resp = await _client.post('/feedback/images', data: formData);
+      return (resp.data as Map<String, dynamic>)['url'] as String;
+    } on DioException catch (e) {
+      throw AppException(
+        e.response?.data?['error'] as String? ?? '图片上传失败',
+        statusCode: e.response?.statusCode,
+      );
+    }
+  }
+
+  /// 提交反馈（bug / suggestion），文字 + 图片 URL 列表。
+  Future<void> submit({
+    required String type,
+    required String content,
+    required List<String> images,
+  }) async {
+    String appVersion = '';
+    try {
+      appVersion = (await PackageInfo.fromPlatform()).version;
+    } catch (_) {}
+    try {
+      await _client.post('/feedback', data: {
+        'type': type,
+        'content': content,
+        'images': images,
+        'app_version': appVersion,
+        'platform': _platform(),
+      });
+    } on DioException catch (e) {
+      throw AppException(
+        e.response?.data?['error'] as String? ?? '提交失败',
+        statusCode: e.response?.statusCode,
+      );
+    }
+  }
+
+  String _platform() {
+    if (kIsWeb) return 'web';
+    switch (defaultTargetPlatform) {
+      case TargetPlatform.windows:
+        return 'windows';
+      case TargetPlatform.macOS:
+        return 'macos';
+      case TargetPlatform.android:
+        return 'android';
+      case TargetPlatform.iOS:
+        return 'ios';
+      case TargetPlatform.linux:
+        return 'linux';
+      default:
+        return 'unknown';
+    }
+  }
+}

client/lib/screens/about/about_screen.dart

@@ -0,0 +1,511 @@
+import 'package:file_picker/file_picker.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:intl/intl.dart';
+import 'package:url_launcher/url_launcher.dart';
+import '../../core/config/app_config.dart';
+import '../../core/config/app_info.dart';
+import '../../core/theme/app_theme.dart';
+import '../../core/update/app_updater.dart';
+import '../../core/utils/dialog_util.dart';
+import '../../providers/feedback_provider.dart';
+import '../../providers/license_provider.dart';
+import '../../providers/update_provider.dart';
+
+/// 「关于我们」独立页面（左侧菜单项）。原为系统设置里的「关于」Tab。
+class AboutScreen extends ConsumerStatefulWidget {
+  const AboutScreen({super.key});
+
+  @override
+  ConsumerState<AboutScreen> createState() => _AboutScreenState();
+}
+
+class _AboutScreenState extends ConsumerState<AboutScreen> {
+  @override
+  Widget build(BuildContext context) {
+    final appVersion = ref.watch(appVersionProvider).valueOrNull ?? 'v1.0.0';
+    final updateInfo = ref.watch(updateProvider).valueOrNull;
+    final licenseAsync = ref.watch(licenseProvider);
+
+    return SingleChildScrollView(
+      padding: const EdgeInsets.all(24),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          // ── 版本信息 ──
+          _AboutSection(
+            title: '版本信息',
+            children: [
+              _AboutRow(label: '当前版本', value: appVersion),
+              if (updateInfo != null && updateInfo.hasUpdate)
+                _AboutRow(
+                  label: '最新版本',
+                  value: 'v${updateInfo.latestVersion}',
+                  valueColor: AppTheme.success,
+                  trailing: TextButton(
+                    onPressed: () => startInAppUpdate(context, updateInfo),
+                    child: const Text('立即更新'),
+                  ),
+                )
+              else
+                _AboutRow(
+                  label: '最新版本',
+                  value: updateInfo != null ? '已是最新' : '检查中…',
+                  valueColor: AppTheme.textSecondary,
+                  trailing: TextButton(
+                    onPressed: () async {
+                      final messenger = ScaffoldMessenger.of(context);
+                      messenger.showSnackBar(
+                          const SnackBar(content: Text('正在检查更新…')));
+                      await ref.read(updateProvider.notifier).forceCheck();
+                      if (!context.mounted) return;
+                      final r = ref.read(updateProvider).valueOrNull;
+                      messenger.hideCurrentSnackBar();
+                      final String msg;
+                      if (r == null) {
+                        msg = '检查更新失败，请检查网络';
+                      } else if (r.hasUpdate) {
+                        msg = '发现新版本 v${r.latestVersion}';
+                      } else {
+                        msg = '已是最新版本（v${r.latestVersion}）';
+                      }
+                      messenger.showSnackBar(SnackBar(content: Text(msg)));
+                    },
+                    child: const Text('检查更新'),
+                  ),
+                ),
+            ],
+          ),
+          const SizedBox(height: 20),
+
+          // ── 授权信息 ──
+          _AboutSection(
+            title: '授权信息',
+            children: [
+              licenseAsync.when(
+                loading: () => const _AboutRow(label: '授权状态', value: '加载中…'),
+                error: (_, __) =>
+                    const _AboutRow(label: '授权状态', value: '暂无授权信息'),
+                data: (lic) {
+                  if (lic == null) {
+                    return const _AboutRow(label: '授权状态', value: '未激活');
+                  }
+                  return Column(
+                    children: [
+                      _AboutRow(label: '授权类型', value: lic.typeLabel),
+                      _AboutRow(
+                        label: '授权状态',
+                        value: lic.isExpired
+                            ? '已过期'
+                            : lic.isActive
+                                ? '正常'
+                                : '已停用',
+                        valueColor: lic.isExpired
+                            ? AppTheme.danger
+                            : lic.isActive
+                                ? AppTheme.success
+                                : AppTheme.textSecondary,
+                      ),
+                      if (lic.expiresAt != null)
+                        _AboutRow(
+                          label: '到期时间',
+                          value: DateFormat('yyyy-MM-dd').format(lic.expiresAt!),
+                          trailing: lic.daysRemaining != null &&
+                                  lic.daysRemaining! <= 30
+                              ? Chip(
+                                  label: Text(
+                                    lic.isExpired
+                                        ? '已过期'
+                                        : '剩余 ${lic.daysRemaining} 天',
+                                    style: const TextStyle(
+                                        fontSize: 11, color: Colors.white),
+                                  ),
+                                  backgroundColor: lic.isExpired
+                                      ? AppTheme.danger
+                                      : Colors.orange,
+                                  padding: EdgeInsets.zero,
+                                  materialTapTargetSize:
+                                      MaterialTapTargetSize.shrinkWrap,
+                                )
+                              : null,
+                        )
+                      else
+                        const _AboutRow(label: '到期时间', value: '永久有效'),
+                      if (lic.activatedAt != null)
+                        _AboutRow(
+                          label: '激活时间',
+                          value: DateFormat('yyyy-MM-dd')
+                              .format(lic.activatedAt!),
+                        ),
+                    ],
+                  );
+                },
+              ),
+              const SizedBox(height: 8),
+              Row(
+                children: [
+                  OutlinedButton.icon(
+                    onPressed: () => _showRenewDialog(),
+                    icon: const Icon(Icons.card_membership, size: 16),
+                    label: const Text('续费 / 升级授权'),
+                  ),
+                ],
+              ),
+            ],
+          ),
+          const SizedBox(height: 20),
+
+          // ── 关于我们 ──
+          _AboutSection(
+            title: '关于我们',
+            children: [
+              _AboutRow(label: '服务商', value: AppInfo.provider),
+              _AboutRow(label: '官方网站', value: AppInfo.website),
+              _AboutRow(label: '联系邮箱', value: AppInfo.email),
+              const _AboutRow(label: '技术支持', value: '周一至周五 9:00 - 18:00'),
+              const SizedBox(height: 8),
+              Wrap(
+                spacing: 8,
+                children: [
+                  OutlinedButton.icon(
+                    onPressed: () async {
+                      final uri = Uri.parse(
+                          'mailto:${AppInfo.email}?subject=酒库管理系统咨询');
+                      if (await canLaunchUrl(uri)) launchUrl(uri);
+                    },
+                    icon: const Icon(Icons.email_outlined, size: 16),
+                    label: const Text('发送邮件'),
+                  ),
+                ],
+              ),
+            ],
+          ),
+          const SizedBox(height: 20),
+
+          // ── 意见反馈 ──
+          _AboutSection(
+            title: '意见反馈',
+            children: [
+              const _AboutRow(
+                label: '问题反馈',
+                value: '遇到 Bug 或有功能建议，欢迎告知我们',
+              ),
+              const SizedBox(height: 8),
+              Wrap(
+                spacing: 8,
+                children: [
+                  ElevatedButton.icon(
+                    onPressed: () => _showFeedbackDialog(isBug: true),
+                    icon: const Icon(Icons.bug_report_outlined, size: 16),
+                    label: const Text('反馈 Bug'),
+                  ),
+                  OutlinedButton.icon(
+                    onPressed: () => _showFeedbackDialog(isBug: false),
+                    icon: const Icon(Icons.lightbulb_outline, size: 16),
+                    label: const Text('功能建议'),
+                  ),
+                ],
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+
+  void _showRenewDialog() {
+    showAppDialog(
+      context: context,
+      builder: (ctx) => AlertDialog(
+        title: const Text('续费 / 升级授权'),
+        content: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            const Text('请联系我们获取续费报价：'),
+            const SizedBox(height: 12),
+            SelectableText('📧 ${AppInfo.email}',
+                style: const TextStyle(fontSize: 13)),
+          ],
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(ctx),
+            child: const Text('关闭'),
+          ),
+          ElevatedButton(
+            onPressed: () async {
+              await Clipboard.setData(ClipboardData(text: AppInfo.email));
+              if (ctx.mounted) {
+                Navigator.pop(ctx);
+                ScaffoldMessenger.of(context).showSnackBar(
+                  const SnackBar(content: Text('邮箱已复制到剪贴板')),
+                );
+              }
+            },
+            child: const Text('复制邮箱'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  void _showFeedbackDialog({required bool isBug}) {
+    showAppDialog(
+      context: context,
+      builder: (_) => _FeedbackDialog(type: isBug ? 'bug' : 'suggestion'),
+    );
+  }
+}
+
+/// 反馈表单弹窗：文字 + 附图，直接提交后台。
+class _FeedbackDialog extends ConsumerStatefulWidget {
+  final String type; // bug / suggestion
+  const _FeedbackDialog({required this.type});
+
+  @override
+  ConsumerState<_FeedbackDialog> createState() => _FeedbackDialogState();
+}
+
+class _FeedbackDialogState extends ConsumerState<_FeedbackDialog> {
+  final _ctrl = TextEditingController();
+  final List<String> _images = []; // 已上传的图片 URL
+  bool _uploading = false;
+  bool _submitting = false;
+
+  static const _maxImages = 9;
+
+  @override
+  void dispose() {
+    _ctrl.dispose();
+    super.dispose();
+  }
+
+  Future<void> _addImages() async {
+    final result = await FilePicker.platform.pickFiles(
+      type: FileType.image,
+      allowMultiple: true,
+      withData: true,
+    );
+    if (result == null) return;
+    setState(() => _uploading = true);
+    try {
+      final repo = ref.read(feedbackRepositoryProvider);
+      for (final f in result.files) {
+        if (_images.length >= _maxImages) break;
+        if (f.bytes == null) continue;
+        final url = await repo.uploadImage(bytes: f.bytes!, filename: f.name);
+        if (!mounted) return;
+        setState(() => _images.add(url));
+      }
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context)
+            .showSnackBar(SnackBar(content: Text('图片上传失败：$e')));
+      }
+    } finally {
+      if (mounted) setState(() => _uploading = false);
+    }
+  }
+
+  Future<void> _submit() async {
+    if (_ctrl.text.trim().isEmpty && _images.isEmpty) {
+      ScaffoldMessenger.of(context)
+          .showSnackBar(const SnackBar(content: Text('请填写反馈内容或添加图片')));
+      return;
+    }
+    setState(() => _submitting = true);
+    try {
+      await ref.read(feedbackRepositoryProvider).submit(
+            type: widget.type,
+            content: _ctrl.text.trim(),
+            images: _images,
+          );
+      if (!mounted) return;
+      Navigator.pop(context);
+      ScaffoldMessenger.of(context)
+          .showSnackBar(const SnackBar(content: Text('反馈已提交，感谢您的反馈！')));
+    } catch (e) {
+      if (!mounted) return;
+      setState(() => _submitting = false);
+      ScaffoldMessenger.of(context)
+          .showSnackBar(SnackBar(content: Text('提交失败：$e')));
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final isBug = widget.type == 'bug';
+    return AlertDialog(
+      title: Text(isBug ? '反馈 Bug' : '功能建议'),
+      content: SizedBox(
+        width: 440,
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            TextField(
+              controller: _ctrl,
+              maxLines: 6,
+              decoration: InputDecoration(
+                hintText: isBug ? '请描述问题的复现步骤和预期行为…' : '请描述您希望增加的功能…',
+                border: const OutlineInputBorder(),
+              ),
+            ),
+            const SizedBox(height: 12),
+            Wrap(
+              spacing: 8,
+              runSpacing: 8,
+              children: [
+                for (int i = 0; i < _images.length; i++) _thumb(i),
+                if (_images.length < _maxImages) _addButton(),
+              ],
+            ),
+            if (_uploading)
+              const Padding(
+                padding: EdgeInsets.only(top: 8),
+                child: Row(children: [
+                  SizedBox(
+                      width: 14,
+                      height: 14,
+                      child: CircularProgressIndicator(strokeWidth: 2)),
+                  SizedBox(width: 8),
+                  Text('图片上传中…', style: TextStyle(fontSize: 12)),
+                ]),
+              ),
+          ],
+        ),
+      ),
+      actions: [
+        TextButton(
+          onPressed: _submitting ? null : () => Navigator.pop(context),
+          child: const Text('取消'),
+        ),
+        ElevatedButton(
+          onPressed: (_submitting || _uploading) ? null : _submit,
+          child: Text(_submitting ? '提交中…' : '提交'),
+        ),
+      ],
+    );
+  }
+
+  Widget _thumb(int i) {
+    return Stack(
+      clipBehavior: Clip.none,
+      children: [
+        ClipRRect(
+          borderRadius: BorderRadius.circular(6),
+          child: Image.network(
+            '${AppConfig.baseUrl}${_images[i]}',
+            width: 64,
+            height: 64,
+            fit: BoxFit.cover,
+            errorBuilder: (_, __, ___) => Container(
+              width: 64,
+              height: 64,
+              color: Colors.grey.shade200,
+              child: const Icon(Icons.broken_image, size: 20),
+            ),
+          ),
+        ),
+        Positioned(
+          right: -8,
+          top: -8,
+          child: GestureDetector(
+            onTap: () => setState(() => _images.removeAt(i)),
+            child: Container(
+              decoration: const BoxDecoration(
+                  color: Colors.black54, shape: BoxShape.circle),
+              padding: const EdgeInsets.all(2),
+              child: const Icon(Icons.close, size: 14, color: Colors.white),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _addButton() {
+    return InkWell(
+      onTap: _uploading ? null : _addImages,
+      child: Container(
+        width: 64,
+        height: 64,
+        decoration: BoxDecoration(
+          border: Border.all(color: Colors.grey.shade400),
+          borderRadius: BorderRadius.circular(6),
+        ),
+        child: const Icon(Icons.add_a_photo_outlined, color: Colors.grey),
+      ),
+    );
+  }
+}
+
+// ── 关于页辅助 widgets ──────────────────────────────────────
+
+class _AboutSection extends StatelessWidget {
+  final String title;
+  final List<Widget> children;
+  const _AboutSection({required this.title, required this.children});
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      child: Padding(
+        padding: const EdgeInsets.all(20),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(title,
+                style: const TextStyle(
+                    fontSize: 14,
+                    fontWeight: FontWeight.w600,
+                    color: AppTheme.primaryDark)),
+            const Divider(height: 24),
+            ...children,
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _AboutRow extends StatelessWidget {
+  final String label;
+  final String value;
+  final Color? valueColor;
+  final Widget? trailing;
+
+  const _AboutRow({
+    required this.label,
+    required this.value,
+    this.valueColor,
+    this.trailing,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 6),
+      child: Row(
+        children: [
+          SizedBox(
+            width: 88,
+            child: Text(label,
+                style: const TextStyle(
+                    fontSize: 13, color: AppTheme.textSecondary)),
+          ),
+          Expanded(
+            child: Text(value,
+                style: TextStyle(
+                    fontSize: 13,
+                    color: valueColor ?? AppTheme.textPrimary,
+                    fontWeight: FontWeight.w500)),
+          ),
+          if (trailing != null) trailing!,
+        ],
+      ),
+    );
+  }
+}

client/lib/screens/settings/settings_screen.dart

@@ -7,19 +7,13 @@ import 'package:flutter/material.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:intl/intl.dart';
-import 'package:url_launcher/url_launcher.dart';
 import '../../core/auth/auth_state.dart';
 import '../../core/config/app_config.dart';
-import '../../core/config/app_info.dart';
-import '../../core/update/app_updater.dart';
 import '../../core/theme/app_theme.dart';
 import '../../models/number_rule.dart';
 import '../../models/user.dart';
 import '../../models/warehouse.dart';
-import '../../providers/license_provider.dart';
 import '../../providers/number_rule_provider.dart';
-import '../../providers/update_provider.dart';
 import '../../providers/user_provider.dart';
 import '../../providers/warehouse_provider.dart';
 import '../../providers/shop_provider.dart';
@@ -45,7 +39,7 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen> {
   @override
   Widget build(BuildContext context) {
     return DefaultTabController(
-      length: 7,
+      length: 6,
       child: Column(
         children: [
           Container(
@@ -65,7 +59,6 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen> {
                 Tab(text: '编号规则'),
                 Tab(text: '系统参数'),
                 Tab(text: '数据导入'),
-                Tab(text: '关于'),
               ],
             ),
           ),
@@ -79,7 +72,6 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen> {
                 _buildNumberRulesTab(),
                 _buildSystemParamsTab(),
                 _buildImportTab(),
-                _buildAboutTab(),
               ],
             ),
           ),
@@ -708,276 +700,6 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen> {
     return _BatchImportWidget(isSuperAdmin: isSuperAdmin);
   }
 
-  // ── 关于 Tab ─────────────────────────────────────────────
-  Widget _buildAboutTab() {
-    final appVersion = ref.watch(appVersionProvider).valueOrNull ?? 'v1.0.0';
-    final updateInfo = ref.watch(updateProvider).valueOrNull;
-    final licenseAsync = ref.watch(licenseProvider);
-
-    return SingleChildScrollView(
-      padding: const EdgeInsets.all(24),
-      child: Column(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          // ── 版本信息 ──
-          _AboutSection(
-            title: '版本信息',
-            children: [
-              _AboutRow(label: '当前版本', value: appVersion),
-              if (updateInfo != null && updateInfo.hasUpdate)
-                _AboutRow(
-                  label: '最新版本',
-                  value: 'v${updateInfo.latestVersion}',
-                  valueColor: AppTheme.success,
-                  trailing: TextButton(
-                    onPressed: () => startInAppUpdate(context, updateInfo),
-                    child: const Text('立即更新'),
-                  ),
-                )
-              else
-                _AboutRow(
-                  label: '最新版本',
-                  value: updateInfo != null ? '已是最新' : '检查中…',
-                  valueColor: AppTheme.textSecondary,
-                  trailing: TextButton(
-                    onPressed: () async {
-                      final messenger = ScaffoldMessenger.of(context);
-                      messenger.showSnackBar(
-                          const SnackBar(content: Text('正在检查更新…')));
-                      await ref.read(updateProvider.notifier).forceCheck();
-                      if (!context.mounted) return;
-                      final r = ref.read(updateProvider).valueOrNull;
-                      messenger.hideCurrentSnackBar();
-                      final String msg;
-                      if (r == null) {
-                        msg = '检查更新失败，请检查网络';
-                      } else if (r.hasUpdate) {
-                        msg = '发现新版本 v${r.latestVersion}';
-                      } else {
-                        msg = '已是最新版本（v${r.latestVersion}）';
-                      }
-                      messenger.showSnackBar(SnackBar(content: Text(msg)));
-                    },
-                    child: const Text('检查更新'),
-                  ),
-                ),
-            ],
-          ),
-          const SizedBox(height: 20),
-
-          // ── 授权信息 ──
-          _AboutSection(
-            title: '授权信息',
-            children: [
-              licenseAsync.when(
-                loading: () => const _AboutRow(label: '授权状态', value: '加载中…'),
-                error: (_, __) =>
-                    const _AboutRow(label: '授权状态', value: '暂无授权信息'),
-                data: (lic) {
-                  if (lic == null) {
-                    return const _AboutRow(label: '授权状态', value: '未激活');
-                  }
-                  return Column(
-                    children: [
-                      _AboutRow(label: '授权类型', value: lic.typeLabel),
-                      _AboutRow(
-                        label: '授权状态',
-                        value: lic.isExpired
-                            ? '已过期'
-                            : lic.isActive
-                                ? '正常'
-                                : '已停用',
-                        valueColor: lic.isExpired
-                            ? AppTheme.danger
-                            : lic.isActive
-                                ? AppTheme.success
-                                : AppTheme.textSecondary,
-                      ),
-                      if (lic.expiresAt != null)
-                        _AboutRow(
-                          label: '到期时间',
-                          value: DateFormat('yyyy-MM-dd').format(lic.expiresAt!),
-                          trailing: lic.daysRemaining != null &&
-                                  lic.daysRemaining! <= 30
-                              ? Chip(
-                                  label: Text(
-                                    lic.isExpired
-                                        ? '已过期'
-                                        : '剩余 ${lic.daysRemaining} 天',
-                                    style: const TextStyle(
-                                        fontSize: 11, color: Colors.white),
-                                  ),
-                                  backgroundColor: lic.isExpired
-                                      ? AppTheme.danger
-                                      : Colors.orange,
-                                  padding: EdgeInsets.zero,
-                                  materialTapTargetSize:
-                                      MaterialTapTargetSize.shrinkWrap,
-                                )
-                              : null,
-                        )
-                      else
-                        const _AboutRow(label: '到期时间', value: '永久有效'),
-                      if (lic.activatedAt != null)
-                        _AboutRow(
-                          label: '激活时间',
-                          value: DateFormat('yyyy-MM-dd')
-                              .format(lic.activatedAt!),
-                        ),
-                    ],
-                  );
-                },
-              ),
-              const SizedBox(height: 8),
-              Row(
-                children: [
-                  OutlinedButton.icon(
-                    onPressed: () => _showRenewDialog(),
-                    icon: const Icon(Icons.card_membership, size: 16),
-                    label: const Text('续费 / 升级授权'),
-                  ),
-                ],
-              ),
-            ],
-          ),
-          const SizedBox(height: 20),
-
-          // ── 关于我们 ──
-          _AboutSection(
-            title: '关于我们',
-            children: [
-              _AboutRow(label: '服务商', value: AppInfo.provider),
-              _AboutRow(label: '官方网站', value: AppInfo.website),
-              _AboutRow(label: '联系邮箱', value: AppInfo.email),
-              const _AboutRow(label: '技术支持', value: '周一至周五 9:00 - 18:00'),
-              const SizedBox(height: 8),
-              Wrap(
-                spacing: 8,
-                children: [
-                  OutlinedButton.icon(
-                    onPressed: () async {
-                      final uri = Uri.parse(
-                          'mailto:${AppInfo.email}?subject=酒库管理系统咨询');
-                      if (await canLaunchUrl(uri)) launchUrl(uri);
-                    },
-                    icon: const Icon(Icons.email_outlined, size: 16),
-                    label: const Text('发送邮件'),
-                  ),
-                ],
-              ),
-            ],
-          ),
-          const SizedBox(height: 20),
-
-          // ── 意见反馈 ──
-          _AboutSection(
-            title: '意见反馈',
-            children: [
-              const _AboutRow(
-                label: '问题反馈',
-                value: '遇到 Bug 或有功能建议，欢迎告知我们',
-              ),
-              const SizedBox(height: 8),
-              Wrap(
-                spacing: 8,
-                children: [
-                  ElevatedButton.icon(
-                    onPressed: () => _showFeedbackDialog(isBug: true),
-                    icon: const Icon(Icons.bug_report_outlined, size: 16),
-                    label: const Text('反馈 Bug'),
-                  ),
-                  OutlinedButton.icon(
-                    onPressed: () => _showFeedbackDialog(isBug: false),
-                    icon: const Icon(Icons.lightbulb_outline, size: 16),
-                    label: const Text('功能建议'),
-                  ),
-                ],
-              ),
-            ],
-          ),
-        ],
-      ),
-    );
-  }
-
-  void _showRenewDialog() {
-    showAppDialog(
-      context: context,
-      builder: (ctx) => AlertDialog(
-        title: const Text('续费 / 升级授权'),
-        content: Column(
-          mainAxisSize: MainAxisSize.min,
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            const Text('请联系我们获取续费报价：'),
-            const SizedBox(height: 12),
-            SelectableText('📧 ${AppInfo.email}',
-                style: const TextStyle(fontSize: 13)),
-          ],
-        ),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(ctx),
-            child: const Text('关闭'),
-          ),
-          ElevatedButton(
-            onPressed: () async {
-              await Clipboard.setData(
-                  ClipboardData(text: AppInfo.email));
-              if (ctx.mounted) {
-                Navigator.pop(ctx);
-                ScaffoldMessenger.of(context).showSnackBar(
-                  const SnackBar(content: Text('邮箱已复制到剪贴板')),
-                );
-              }
-            },
-            child: const Text('复制邮箱'),
-          ),
-        ],
-      ),
-    );
-  }
-
-  void _showFeedbackDialog({required bool isBug}) {
-    final ctrl = TextEditingController();
-    showAppDialog(
-      context: context,
-      builder: (ctx) => AlertDialog(
-        title: Text(isBug ? '反馈 Bug' : '功能建议'),
-        content: SizedBox(
-          width: 400,
-          child: TextField(
-            controller: ctrl,
-            maxLines: 6,
-            decoration: InputDecoration(
-              hintText: isBug
-                  ? '请描述问题的复现步骤和预期行为…'
-                  : '请描述您希望增加的功能…',
-              border: const OutlineInputBorder(),
-            ),
-          ),
-        ),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(ctx),
-            child: const Text('取消'),
-          ),
-          ElevatedButton(
-            onPressed: () async {
-              final subject = Uri.encodeComponent(isBug ? 'Bug反馈' : '功能建议');
-              final body = Uri.encodeComponent(ctrl.text);
-              final uri = Uri.parse(
-                  'mailto:${AppInfo.email}?subject=$subject&body=$body');
-              if (await canLaunchUrl(uri)) launchUrl(uri);
-              if (ctx.mounted) Navigator.pop(ctx);
-            },
-            child: const Text('通过邮件发送'),
-          ),
-        ],
-      ),
-    );
-  }
-
   void _showEditParamDialog(
       String label, String current, ValueChanged<String> onSave) {
     final ctrl = TextEditingController(text: current);
@@ -1469,74 +1191,6 @@ class _ParamRow extends StatelessWidget {
   }
 }
 
-// ── 关于页辅助 widgets ──────────────────────────────────────
-
-class _AboutSection extends StatelessWidget {
-  final String title;
-  final List<Widget> children;
-  const _AboutSection({required this.title, required this.children});
-
-  @override
-  Widget build(BuildContext context) {
-    return Card(
-      child: Padding(
-        padding: const EdgeInsets.all(20),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Text(title,
-                style: const TextStyle(
-                    fontSize: 14,
-                    fontWeight: FontWeight.w600,
-                    color: AppTheme.primaryDark)),
-            const Divider(height: 24),
-            ...children,
-          ],
-        ),
-      ),
-    );
-  }
-}
-
-class _AboutRow extends StatelessWidget {
-  final String label;
-  final String value;
-  final Color? valueColor;
-  final Widget? trailing;
-
-  const _AboutRow({
-    required this.label,
-    required this.value,
-    this.valueColor,
-    this.trailing,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return Padding(
-      padding: const EdgeInsets.symmetric(vertical: 6),
-      child: Row(
-        children: [
-          SizedBox(
-            width: 88,
-            child: Text(label,
-                style: const TextStyle(
-                    fontSize: 13, color: AppTheme.textSecondary)),
-          ),
-          Expanded(
-            child: Text(value,
-                style: TextStyle(
-                    fontSize: 13,
-                    color: valueColor ?? AppTheme.textPrimary,
-                    fontWeight: FontWeight.w500)),
-          ),
-          if (trailing != null) trailing!,
-        ],
-      ),
-    );
-  }
-}
-
 // ── 批量数据导入 ───────────────────────────────────────────
 
 class _ImportSlot {

client/lib/screens/shell/app_shell.dart

@@ -66,6 +66,7 @@ class _AppShellState extends ConsumerState<AppShell> {
     _NavItem(icon: Icons.people, label: '往来单位', path: '/partners'),
     _NavItem(icon: Icons.category, label: '基础数据', path: '/products'),
     _NavItem(icon: Icons.settings, label: '系统设置', path: '/settings'),
+    _NavItem(icon: Icons.info_outline, label: '关于我们', path: '/about'),
   ];
 
   @override