diff --git a/app/common/controller/UsedCarDetailController.php b/app/common/controller/UsedCarDetailController.php
new file mode 100644
index 0000000..f13d80f
--- /dev/null
+++ b/app/common/controller/UsedCarDetailController.php
@@ -0,0 +1,305 @@
+<?php
+namespace app\common\controller;
+
+use app\common\controller\BaseController;
+use app\common\traits\crud\CrudControllerTrait;
+use app\common\service\UsedCarDetailService;
+use app\common\service\OssService;
+use support\Request;
+use support\exception\BusinessException;
+
+class UsedCarDetailController extends BaseController
+{
+    use CrudControllerTrait;
+
+    protected $service;
+
+    public function __construct()
+    {
+        $this->service = new UsedCarDetailService();
+    }
+
+    /**
+     * 列表页数据格式化
+     *
+     * @param array $data
+     * @return array
+     */
+    protected function indexFormat($data)
+    {
+        if (isset($data['created_at'])) {
+            $data['created_at'] = date('Y-m-d H:i:s', $data['created_at']);
+        }
+        if (isset($data['updated_at'])) {
+            $data['updated_at'] = date('Y-m-d H:i:s', $data['updated_at']);
+        }
+
+        // 处理图片
+        if (!empty($data['images'])) {
+            $images = is_array($data['images']) ? $data['images'] : json_decode($data['images'], true);
+            if ($images) {
+                $ossService = new OssService();
+                $images_pull = [];
+                foreach ($images as $image) {
+                    $images_pull[] = $ossService->generatePrivateUrl($image);
+                }
+                $data['images_pull'] = $images_pull;
+            } else {
+                $data['images_pull'] = [];
+            }
+        }
+
+        return $data;
+    }
+
+    /**
+     * 详情页数据格式化
+     *
+     * @param array $data
+     * @return array
+     */
+    protected function showFormat($data)
+    {
+        if (isset($data['created_at'])) {
+            $data['created_at'] = date('Y-m-d H:i:s', $data['created_at']);
+        }
+        if (isset($data['updated_at'])) {
+            $data['updated_at'] = date('Y-m-d H:i:s', $data['updated_at']);
+        }
+
+        // 处理主图
+        if (!empty($data['images'])) {
+            $images = is_array($data['images']) ? $data['images'] : json_decode($data['images'], true);
+            if ($images) {
+                $ossService = new OssService();
+                $images_pull = [];
+                $process = 'image/resize,w_800/quality,Q_40/format,webp';
+                foreach ($images as $image) {
+                    $images_pull[] = $ossService->generatePrivateUrlResize($image, 3600, $process);
+                }
+                $data['images_pull'] = $images_pull;
+            } else {
+                $data['images_pull'] = [];
+            }
+        } else {
+            $data['images_pull'] = [];
+        }
+
+        // 处理介绍图片
+        if (!empty($data['intro_images'])) {
+            $introImages = is_array($data['intro_images']) ? $data['intro_images'] : json_decode($data['intro_images'], true);
+            if ($introImages) {
+                $ossService = new OssService();
+                $intro_images_pull = [];
+                foreach ($introImages as $image) {
+                    $intro_images_pull[] = $ossService->generatePrivateUrl($image);
+                }
+                $data['intro_images_pull'] = $intro_images_pull;
+            } else {
+                $data['intro_images_pull'] = [];
+            }
+        } else {
+            $data['intro_images_pull'] = [];
+        }
+
+        // 处理附件
+        if (!empty($data['attachment'])) {
+            $attachments = is_array($data['attachment']) ? $data['attachment'] : json_decode($data['attachment'], true);
+            if ($attachments) {
+                $ossService = new OssService();
+                $attachment_pull = [];
+                foreach ($attachments as $attachment) {
+                    $attachment_pull[] = [
+                        'name' => $attachment['name'] ?? '',
+                        'src' => $attachment['src'] ?? '',
+                        'src_pull' => $ossService->generatePrivateUrl($attachment['src'] ?? ''),
+                    ];
+                }
+                $data['attachment_pull'] = $attachment_pull;
+            } else {
+                $data['attachment_pull'] = [];
+            }
+        } else {
+            $data['attachment_pull'] = [];
+        }
+
+        return $data;
+    }
+
+    /**
+     * 更新状态
+     *
+     * @param Request $request
+     * @return \support\Response
+     */
+    public function status(Request $request)
+    {
+        try {
+            $data = $request->post();
+            $res = $this->service->serviceUpdateStatus($request, $data);
+            return $this->success([], '更新成功');
+        } catch (\Throwable $e) {
+            return $this->error($e->getMessage());
+        }
+    }
+
+    /**
+     * 保存FAQ
+     *
+     * @param Request $request
+     * @return \support\Response
+     */
+    public function saveFaqs(Request $request)
+    {
+        try {
+            $carId = $request->post('id');
+            $faqs = $request->post('faqs', []);
+
+            if (empty($carId)) {
+                throw new BusinessException('车辆ID不能为空');
+            }
+
+            $this->service->saveFaqs($carId, $faqs);
+
+            return $this->success([], '保存成功');
+        } catch (\Throwable $e) {
+            return $this->error($e->getMessage());
+        }
+    }
+
+    /**
+     * 创建车辆（含FAQ）
+     *
+     * @param Request $request
+     * @return \support\Response
+     */
+    public function storeWithFaqs(Request $request)
+    {
+        try {
+            $data = $request->post();
+            $faqs = $data['faqs'] ?? [];
+
+            // 先创建车辆
+            $result = $this->service->serviceStore($request);
+
+            // 再保存FAQ
+            if (!empty($faqs) && isset($result['id'])) {
+                $this->service->saveFaqs($result['id'], $faqs);
+            }
+
+            return $this->success($result, '创建成功');
+        } catch (\Throwable $e) {
+            return $this->error($e->getMessage());
+        }
+    }
+
+    /**
+     * 更新车辆（含FAQ）
+     *
+     * @param Request $request
+     * @return \support\Response
+     */
+    public function updateWithFaqs(Request $request)
+    {
+        try {
+            $data = $request->post();
+            $faqs = $data['faqs'] ?? [];
+            $carId = $data['id'] ?? null;
+
+            // 先更新车辆
+            $result = $this->service->serviceUpdate($request);
+
+            // 再更新FAQ
+            if (!empty($faqs) && $carId) {
+                $this->service->saveFaqs($carId, $faqs);
+            }
+
+            return $this->success($result, '更新成功');
+        } catch (\Throwable $e) {
+            return $this->error($e->getMessage());
+        }
+    }
+
+    /**
+     * 提交审核
+     *
+     * @param Request $request
+     * @return \support\Response
+     */
+    public function submitAudit(Request $request)
+    {
+        try {
+            $carId = $request->post('id');
+
+            if (empty($carId)) {
+                throw new BusinessException('车辆ID不能为空');
+            }
+
+            $this->service->submitAudit($request, $carId);
+
+            return $this->success([], '提交审核成功');
+        } catch (\Throwable $e) {
+            return $this->error($e->getMessage());
+        }
+    }
+
+    /**
+     * 审核车辆
+     *
+     * @param Request $request
+     * @return \support\Response
+     */
+    public function audit(Request $request)
+    {
+        try {
+            $data = $request->post();
+
+            $this->service->audit($request, $data);
+
+            $statusText = $data['audit_status'] == 1 ? '通过' : '拒绝';
+            return $this->success([], "审核{$statusText}成功");
+        } catch (\Throwable $e) {
+            return $this->error($e->getMessage());
+        }
+    }
+
+    /**
+     * 获取审核记录
+     *
+     * @param Request $request
+     * @return \support\Response
+     */
+    public function auditRecords(Request $request)
+    {
+        try {
+            $carId = $request->get('id');
+
+            if (empty($carId)) {
+                throw new BusinessException('车辆ID不能为空');
+            }
+
+            $records = $this->service->getAuditRecords($carId);
+
+            return $this->success($records);
+        } catch (\Throwable $e) {
+            return $this->error($e->getMessage());
+        }
+    }
+
+    /**
+     * 获取审核统计
+     *
+     * @param Request $request
+     * @return \support\Response
+     */
+    public function auditStats(Request $request)
+    {
+        try {
+            $stats = $this->service->getAuditStats($request);
+
+            return $this->success($stats);
+        } catch (\Throwable $e) {
+            return $this->error($e->getMessage());
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/common/logic/UsedCarDetailLogic.php b/app/common/logic/UsedCarDetailLogic.php
new file mode 100644
index 0000000..b3d3fe1
--- /dev/null
+++ b/app/common/logic/UsedCarDetailLogic.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace app\common\logic;
+
+use app\common\traits\crud\CrudLogicTrait;
+use app\common\model\UsedCarDetail;
+
+class UsedCarDetailLogic
+{
+    use CrudLogicTrait;
+
+    /**
+     * 指定当前要操作的模型
+     */
+    protected string $modelClass = UsedCarDetail::class;
+
+}
\ No newline at end of file
diff --git a/app/common/model/UsedCarDetail.php b/app/common/model/UsedCarDetail.php
new file mode 100644
index 0000000..3a5ff3c
--- /dev/null
+++ b/app/common/model/UsedCarDetail.php
@@ -0,0 +1,123 @@
+<?php
+
+namespace app\common\model;
+
+use support\Model;
+
+class UsedCarDetail extends Model
+{
+    /**
+     * The connection name for the model.
+     *
+     * @var string|null
+     */
+    protected $connection = 'mysql';
+    
+    /**
+     * The table associated with the model.
+     *
+     * @var string
+     */
+    protected $table = 'used_car_detail';
+
+    /**
+     * The primary key associated with the table.
+     *
+     * @var string
+     */
+    protected $primaryKey = 'id';
+
+    /**
+     * Indicates if the model should be timestamped.
+     *
+     * @var bool
+     */
+    public $timestamps = true;
+    
+    
+    protected $dateFormat = 'U';
+
+    /**
+     * 允许自动填充模型字段
+     */
+    protected $fillable = ['id', 'code', 'user_id', 'role_wp', 'product_name', 'vin', 'price', 'source_place', 'plate_place', 'plate_time', 'displacement', 'mileage', 'power', 'body_color', 'images', 'condition_desc', 'attachment', 'pdf_src', 'source_url', 'crawl_title', 'crawl_brand', 'crawl_brand_id', 'crawl_series', 'crawl_series_id', 'crawl_year', 'crawl_msrp', 'crawl_car_id', 'status', 'sort', 'simple_desc', 'intro_images', 'intro_text', 'intro_video', 'official_guide_price', 'manufacturer', 'level', 'energy_type', 'listing_time', 'engine', 'electric_motor', 'nedc_range', 'cltc_range', 'fast_charge_platform', 'charging_time', 'fast_charge_percent', 'max_power_kw', 'max_torque_nm', 'transmission', 'dimensions', 'body_structure', 'max_speed', 'acceleration_100', 'nedc_fuel_consumption', 'power_consumption_100', 'equivalent_fuel_consumption', 'maintenance_cost_60k', 'body_length', 'body_width', 'body_height', 'wheelbase', 'door_count', 'door_open_type', 'seat_count', 'transmission_desc', 'gear_count', 'transmission_type', 'drive_mode', 'front_suspension', 'rear_suspension', 'steering_type', 'has_abs', 'has_ebd', 'has_bra', 'has_tcs', 'has_esp', 'has_active_brake', 'has_lane_assist', 'has_lka', 'has_lane_centering', 'has_fatigue_remind', 'front_brake_type', 'rear_brake_type', 'parking_brake_type', 'front_tire_spec', 'rear_tire_spec', 'created_at', 'updated_at'];
+
+    /**
+     * 不允许自动填充模型字段
+     */
+    protected $guarded = [];
+
+    /**
+     * JSON 类型字段自动转换
+     */
+    protected $casts = [
+        'images' => 'array',
+        'attachment' => 'array',
+        'intro_images' => 'array',
+    ];
+
+    /**
+     * 关联 FAQ
+     */
+    public function faqs()
+    {
+        return $this->hasMany(UsedCarFaq::class, 'car_id', 'id');
+    }
+
+    /**
+     * 关联用户
+     */
+    public function user()
+    {
+        return $this->belongsTo(\app\common\model\User::class, 'user_id', 'id');
+    }
+
+    /**
+     * 关联审核记录
+     */
+    public function auditRecords()
+    {
+        return $this->hasMany(UsedCarDetailAudit::class, 'car_id', 'id')->orderBy('created_at', 'desc');
+    }
+
+    /**
+     * 最新审核记录
+     */
+    public function latestAudit()
+    {
+        return $this->hasOne(UsedCarDetailAudit::class, 'car_id', 'id')->orderBy('created_at', 'desc');
+    }
+
+    /**
+     * 审核状态文本
+     */
+    public static $auditStatusText = [
+        0 => '待审核',
+        1 => '审核通过',
+        2 => '审核拒绝',
+    ];
+
+    /**
+     * 作用域：待审核
+     */
+    public function scopePending($query)
+    {
+        return $query->where('status', 0);
+    }
+
+    /**
+     * 作用域：已通过
+     */
+    public function scopeApproved($query)
+    {
+        return $query->where('status', 1);
+    }
+
+    /**
+     * 作用域：已拒绝
+     */
+    public function scopeRejected($query)
+    {
+        return $query->where('status', 2);
+    }
+}
\ No newline at end of file
diff --git a/app/common/model/UsedCarDetailAudit.php b/app/common/model/UsedCarDetailAudit.php
new file mode 100644
index 0000000..d9acc0d
--- /dev/null
+++ b/app/common/model/UsedCarDetailAudit.php
@@ -0,0 +1,108 @@
+<?php
+
+namespace app\common\model;
+
+use support\Model;
+
+class UsedCarDetailAudit extends Model
+{
+    /**
+     * The connection name for the model.
+     *
+     * @var string|null
+     */
+    protected $connection = 'mysql';
+
+    /**
+     * The table associated with the model.
+     *
+     * @var string
+     */
+    protected $table = 'used_car_detail_audit';
+
+    /**
+     * The primary key associated with the table.
+     *
+     * @var string
+     */
+    protected $primaryKey = 'id';
+
+    /**
+     * Indicates if the model should be timestamped.
+     *
+     * @var bool
+     */
+    public $timestamps = true;
+
+    protected $dateFormat = 'U';
+
+    /**
+     * 允许自动填充模型字段
+     */
+    protected $fillable = [
+        'id', 'car_id', 'auditor_id', 'audit_status', 'audit_reason',
+        'before_status', 'after_status', 'created_at', 'updated_at'
+    ];
+
+    /**
+     * 不允许自动填充模型字段
+     */
+    protected $guarded = [];
+
+    /**
+     * 审核状态文本
+     */
+    public static $statusText = [
+        0 => '待审核',
+        1 => '审核通过',
+        2 => '审核拒绝',
+    ];
+
+    /**
+     * 关联车辆
+     */
+    public function car()
+    {
+        return $this->belongsTo(UsedCarDetail::class, 'car_id', 'id');
+    }
+
+    /**
+     * 关联审核人
+     */
+    public function auditor()
+    {
+        return $this->belongsTo(\app\common\model\User::class, 'auditor_id', 'id');
+    }
+
+    /**
+     * 获取审核状态文本
+     */
+    public function getAuditStatusTextAttribute()
+    {
+        return self::$statusText[$this->audit_status] ?? '未知';
+    }
+
+    /**
+     * 作用域：通过审核
+     */
+    public function scopeApproved($query)
+    {
+        return $query->where('audit_status', 1);
+    }
+
+    /**
+     * 作用域：拒绝审核
+     */
+    public function scopeRejected($query)
+    {
+        return $query->where('audit_status', 2);
+    }
+
+    /**
+     * 作用域：待审核
+     */
+    public function scopePending($query)
+    {
+        return $query->where('audit_status', 0);
+    }
+}
diff --git a/app/common/model/UsedCarFaq.php b/app/common/model/UsedCarFaq.php
new file mode 100644
index 0000000..2e5663b
--- /dev/null
+++ b/app/common/model/UsedCarFaq.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace app\common\model;
+
+use support\Model;
+
+class UsedCarFaq extends Model
+{
+    /**
+     * The connection name for the model.
+     *
+     * @var string|null
+     */
+    protected $connection = 'mysql';
+
+    /**
+     * The table associated with the model.
+     *
+     * @var string
+     */
+    protected $table = 'used_car_faq';
+
+    /**
+     * The primary key associated with the table.
+     *
+     * @var string
+     */
+    protected $primaryKey = 'id';
+
+    /**
+     * Indicates if the model should be timestamped.
+     *
+     * @var bool
+     */
+    public $timestamps = true;
+
+    protected $dateFormat = 'U';
+
+    /**
+     * 允许自动填充模型字段
+     */
+    protected $fillable = [
+        'id', 'car_id', 'question', 'answer', 'sort', 'status', 'created_at', 'updated_at'
+    ];
+
+    /**
+     * 不允许自动填充模型字段
+     */
+    protected $guarded = [];
+
+    /**
+     * 关联车辆详情
+     */
+    public function car()
+    {
+        return $this->belongsTo(UsedCarDetail::class, 'car_id', 'id');
+    }
+}
diff --git a/app/common/service/UsedCarDetailService.php b/app/common/service/UsedCarDetailService.php
new file mode 100644
index 0000000..fd293b3
--- /dev/null
+++ b/app/common/service/UsedCarDetailService.php
@@ -0,0 +1,458 @@
+<?php
+
+namespace app\common\service;
+
+use app\common\validate\UsedCarDetailValidate;
+use app\common\traits\crud\CrudServiceTrait;
+use app\common\model\UsedCarDetail;
+use app\common\model\User;
+use support\exception\BusinessException;
+use support\Log;
+use support\Request;
+use support\Redis;
+
+class UsedCarDetailService
+{
+
+    use CrudServiceTrait;
+
+    /**
+     * 指定当前要操作的模型
+     */
+    protected string $modelClass = UsedCarDetail::class;
+
+    /**
+     * 验证器
+     */
+    protected $validator = UsedCarDetailValidate::class;
+
+    /**
+     * 获取验证器
+     */
+    public function getValidator()
+    {
+        return  new $this->validator;
+    }
+
+    /**
+     * 构建查询配置
+     */
+    protected function buildQueryConfig(Request $request, string $scene = 'default'): array
+    {
+        $p = $request->all();
+
+        $config = [];
+        $config['model'] = $this->modelClass;
+
+        switch ($scene) {
+            case 'default':
+                $config['where']['status'] = 1;
+                $config['order']['sort'] = 'desc';
+                $config['order']['id'] = 'desc';
+                break;
+
+            case 'index':
+                // 默认只显示审核通过的数据
+                $config['where']['status'] = 1;
+
+                // 审核状态筛选
+                if (isset($p['status'])) {
+                    $config['where']['status'] = $p['status'];
+                }
+
+                // 我的车辆
+                if (isset($p['scene']) && $p['scene'] == 'self') {
+                    $config['where']['user_id'] = $request->user['id'];
+                    unset($config['where']['status']);
+                }
+
+                // 关键字搜索
+                if (isset($p['keyword']) && $p['keyword']) {
+                    $k = '%' . $p['keyword'] . '%';
+                    foreach (['product_name', 'code', 'vin', 'manufacturer'] as $col) {
+                        $config['orWhere'][] = [$col, 'like', $k];
+                    }
+                }
+
+                // 品牌筛选
+                if (isset($p['crawl_brand_id']) && $p['crawl_brand_id']) {
+                    $config['where']['crawl_brand_id'] = $p['crawl_brand_id'];
+                }
+
+                // 车系筛选
+                if (isset($p['crawl_series_id']) && $p['crawl_series_id']) {
+                    $config['where']['crawl_series_id'] = $p['crawl_series_id'];
+                }
+
+                // 价格区间
+                if (isset($p['min_price']) && $p['min_price']) {
+                    $config['where'][] = ['price', '>=', $p['min_price']];
+                }
+                if (isset($p['max_price']) && $p['max_price']) {
+                    $config['where'][] = ['price', '<=', $p['max_price']];
+                }
+
+                $config['order']['sort'] = 'desc';
+                $config['order']['id'] = 'desc';
+                break;
+
+            case 'show':
+                $config['where']['id'] = $p['id'];
+                // 关联FAQ
+                $config['with'] = ['faqs'];
+                break;
+
+            case 'store':
+                break;
+
+            case 'update':
+                $config['where']['id'] = $p['id'];
+                break;
+
+            case 'destroy':
+                $config['where']['id'] = $p['id'];
+                break;
+        }
+
+        return $config;
+    }
+
+    /**
+     * 创建前数据处理
+     */
+    public function beforeServiceStore($data, Request $request): array
+    {
+        if (empty($data['product_name'])) {
+            throw new BusinessException('产品名称不能为空');
+        }
+
+        // 设置用户信息
+        $data['user_id'] = $request->user['id'];
+        $user = User::where('id', $request->user['id'])->first();
+        $data['role_wp'] = $user['role_wp'] ?? 1;
+
+        // 默认待审核状态
+        if (!isset($data['status'])) {
+            $data['status'] = 0;
+        }
+
+        // 生成车辆编号
+        $data['code'] = $this->getCode($request->user['id']);
+
+        // 处理图片数据
+        if (!empty($data['images'])) {
+            if (is_array($data['images'])) {
+                $data['images'] = json_encode($data['images']);
+            }
+        } else {
+            $data['images'] = '';
+        }
+
+        // 处理附件数据
+        if (!empty($data['attachment'])) {
+            if (is_array($data['attachment'])) {
+                $data['attachment'] = json_encode($data['attachment']);
+            }
+        } else {
+            $data['attachment'] = '';
+        }
+
+        // 处理介绍图片
+        if (!empty($data['intro_images'])) {
+            if (is_array($data['intro_images'])) {
+                $data['intro_images'] = json_encode($data['intro_images']);
+            }
+        } else {
+            $data['intro_images'] = '';
+        }
+
+        // 检查来源URL是否重复
+        if (!empty($data['source_url'])) {
+            $exists = UsedCarDetail::where('source_url', $data['source_url']);
+            $exists = $exists->where('user_id', $data['user_id']);
+            if ($exists->exists()) {
+                throw new BusinessException('该车源已收录');
+            }
+        }
+
+        return $data;
+    }
+
+    /**
+     * 更新前数据处理
+     */
+    public function beforeServiceUpdate($data, Request $request): array
+    {
+        if (empty($data['product_name'])) {
+            throw new BusinessException('产品名称不能为空');
+        }
+
+        // 获取车辆信息
+        $carId = $data['id'] ?? null;
+        if ($carId) {
+            $car = UsedCarDetail::find($carId);
+            if (!$car) {
+                throw new BusinessException('车辆不存在');
+            }
+
+            // 审核通过的车辆禁止修改
+            if ($car->status == 1) {
+                throw new BusinessException('审核通过的车辆禁止修改');
+            }
+
+            // 审核拒绝的车辆修改后状态改为待审核
+            if ($car->status == 2) {
+                $data['status'] = 0;
+            }
+        }
+
+        // 处理图片数据
+        if (isset($data['images'])) {
+            if (is_array($data['images'])) {
+                $data['images'] = json_encode($data['images']);
+            }
+        }
+
+        // 处理附件数据
+        if (isset($data['attachment'])) {
+            if (is_array($data['attachment'])) {
+                $data['attachment'] = json_encode($data['attachment']);
+            }
+        }
+
+        // 处理介绍图片
+        if (isset($data['intro_images'])) {
+            if (is_array($data['intro_images'])) {
+                $data['intro_images'] = json_encode($data['intro_images']);
+            }
+        }
+
+        return $data;
+    }
+
+    /**
+     * 更新状态
+     */
+    public function serviceUpdateStatus(Request $request, array $data)
+    {
+        if (empty($data['id'])) {
+            throw new BusinessException('id不能为空');
+        }
+        if (!isset($data['status'])) {
+            throw new BusinessException('status错误');
+        }
+        return UsedCarDetail::where('id', $data['id'])->update(['status' => $data['status']]);
+    }
+
+    /**
+     * 保存FAQ
+     */
+    public function saveFaqs(int $carId, array $faqs)
+    {
+        // 删除旧的FAQ
+        \app\common\model\UsedCarFaq::where('car_id', $carId)->delete();
+
+        // 创建新的FAQ
+        if (!empty($faqs)) {
+            foreach ($faqs as $faq) {
+                \app\common\model\UsedCarFaq::create([
+                    'car_id' => $carId,
+                    'question' => $faq['question'] ?? '',
+                    'answer' => $faq['answer'] ?? '',
+                    'sort' => $faq['sort'] ?? 0,
+                    'status' => $faq['status'] ?? 1,
+                ]);
+            }
+        }
+    }
+
+    /**
+     * 生成车辆编号
+     */
+    public function getCode(int $userId): string
+    {
+        $userCount = Redis::get('used_car_detail_count_' . $userId, 0);
+        $todayStart = strtotime('today');
+        $count = UsedCarDetail::where('user_id', $userId)
+            ->where('created_at', '>=', $todayStart)
+            ->count();
+        $count = $count < $userCount ? $userCount + 1 : $count + 1;
+        $countCode = str_pad($count, 3, '0', STR_PAD_LEFT);
+        $userCode = str_pad($userId, 3, '0', STR_PAD_LEFT);
+        Redis::set('used_car_detail_count_' . $userId, $count, 86400);
+
+        $user = User::where('id', $userId)->first();
+        $nameInitials = $this->getNameInitials($user['name'] ?? '');
+
+        return 'UCD' . $nameInitials . $userCode . date('Ymd') . $countCode;
+    }
+
+    /**
+     * 获取中文名拼音首字母
+     */
+    private function getNameInitials(string $name): string
+    {
+        $initials = '';
+        $len = mb_strlen($name);
+        for ($i = 0; $i < $len; $i++) {
+            $char = mb_substr($name, $i, 1);
+            $initials .= $this->getFirstChar($char);
+        }
+        return strtoupper($initials);
+    }
+
+    /**
+     * 获取单个字符的首字母
+     */
+    private function getFirstChar(string $char): string
+    {
+        $s = iconv('UTF-8', 'GB2312//IGNORE', $char);
+        $asc = ord($s[0]);
+
+        if ($asc >= 65 && $asc <= 90) {
+            return $char;
+        }
+
+        if ($s === false || strlen($s) < 2) {
+            return '';
+        }
+
+        $code = ord($s[0]) * 256 + ord($s[1]) - 65536;
+
+        $map = [
+            [-20319, -20284, 'A'],
+            [-20283, -19776, 'B'],
+            [-19775, -19219, 'C'],
+            [-19218, -18711, 'D'],
+            [-18710, -18527, 'E'],
+            [-18526, -18240, 'F'],
+            [-18239, -17923, 'G'],
+            [-17922, -17418, 'H'],
+            [-17417, -16475, 'J'],
+            [-16474, -16213, 'K'],
+            [-16212, -15641, 'L'],
+            [-15640, -15166, 'M'],
+            [-15165, -14923, 'N'],
+            [-14922, -14915, 'O'],
+            [-14914, -14631, 'P'],
+            [-14630, -14150, 'Q'],
+            [-14149, -14091, 'R'],
+            [-14090, -13319, 'S'],
+            [-13318, -12839, 'T'],
+            [-12838, -12557, 'W'],
+            [-12556, -11848, 'X'],
+            [-11847, -11056, 'Y'],
+            [-11055, -10247, 'Z']
+        ];
+
+        foreach ($map as [$start, $end, $letter]) {
+            if ($code >= $start && $code <= $end) {
+                return $letter;
+            }
+        }
+        return '';
+    }
+
+    /**
+     * 提交审核
+     */
+    public function submitAudit(Request $request, int $carId)
+    {
+        $car = UsedCarDetail::find($carId);
+        if (!$car) {
+            throw new BusinessException('车辆不存在');
+        }
+
+        // 检查权限：只能提交自己创建的车辆
+        if ($car->user_id != $request->user['id']) {
+            throw new BusinessException('无权操作');
+        }
+
+        // 只有待审核状态才能提交
+        if ($car->status != 0) {
+            throw new BusinessException('当前状态不允许提交审核');
+        }
+
+        return UsedCarDetail::where('id', $carId)->update(['status' => 0]);
+    }
+
+    /**
+     * 审核车辆
+     */
+    public function audit(Request $request, array $data)
+    {
+        $carId = $data['car_id'] ?? null;
+        $auditStatus = $data['audit_status'] ?? null;
+        $auditReason = $data['audit_reason'] ?? '';
+
+        if (empty($carId)) {
+            throw new BusinessException('车辆ID不能为空');
+        }
+        if (!isset($auditStatus) || !in_array($auditStatus, [1, 2])) {
+            throw new BusinessException('审核状态错误');
+        }
+
+        $car = UsedCarDetail::find($carId);
+        if (!$car) {
+            throw new BusinessException('车辆不存在');
+        }
+
+        $beforeStatus = $car->status;
+
+        // 创建审核记录
+        \app\common\model\UsedCarDetailAudit::create([
+            'car_id' => $carId,
+            'auditor_id' => $request->user['id'],
+            'audit_status' => $auditStatus,
+            'audit_reason' => $auditReason,
+            'before_status' => $beforeStatus,
+            'after_status' => $auditStatus,
+        ]);
+
+        // 更新车辆状态
+        return UsedCarDetail::where('id', $carId)->update(['status' => $auditStatus]);
+    }
+
+    /**
+     * 获取审核记录列表
+     */
+    public function getAuditRecords(int $carId)
+    {
+        return \app\common\model\UsedCarDetailAudit::where('car_id', $carId)
+            ->with(['auditor:id,name'])
+            ->orderBy('created_at', 'desc')
+            ->get()
+            ->map(function ($item) {
+                return [
+                    'id' => $item->id,
+                    'audit_status' => $item->audit_status,
+                    'audit_status_text' => $item->audit_status_text,
+                    'audit_reason' => $item->audit_reason,
+                    'before_status' => $item->before_status,
+                    'after_status' => $item->after_status,
+                    'auditor_name' => $item->auditor->name ?? '',
+                    'created_at' => date('Y-m-d H:i:s', $item->created_at),
+                ];
+            });
+    }
+
+    /**
+     * 获取审核统计数据
+     */
+    public function getAuditStats(Request $request)
+    {
+        $query = UsedCarDetail::query();
+
+        // 如果不是管理员，只能看到自己的数据
+        if ($request->user['role_wp'] != 3) {
+            $query->where('user_id', $request->user['id']);
+        }
+
+        return [
+            'pending' => (clone $query)->where('status', 0)->count(),
+            'approved' => (clone $query)->where('status', 1)->count(),
+            'rejected' => (clone $query)->where('status', 2)->count(),
+            'total' => $query->count(),
+        ];
+    }
+}
\ No newline at end of file
diff --git a/app/common/validate/UsedCarDetailValidate.php b/app/common/validate/UsedCarDetailValidate.php
new file mode 100644
index 0000000..c58b99b
--- /dev/null
+++ b/app/common/validate/UsedCarDetailValidate.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace app\common\validate;
+
+use think\Validate;
+
+class UsedCarDetailValidate extends Validate
+{
+    // 规则
+    protected $rule = [
+        'id' => 'requireWith:id',
+        'product_name' => 'require|max:255',
+        'price' => 'require|float|>=:0',
+        'user_id' => 'require|integer',
+        'role' => 'integer|in:1,2,3,4',
+    ];
+
+    // 提示
+    protected $message = [
+        'product_name.require' => '产品名称不能为空',
+        'product_name.max' => '产品名称最多255个字符',
+        'price.require' => '车辆价格不能为空',
+        'price.float' => '车辆价格格式不正确',
+        'price.>=' => '车辆价格不能为负数',
+        'role.in' => '角色值不正确',
+    ];
+
+    // 场景
+    protected $scene = [
+        'store' => ['product_name', 'price', 'user_id', 'role'],
+        'update' => ['id', 'product_name', 'price'],
+    ];
+}
diff --git a/config/route.php b/config/route.php
index 88ad406..5aee935 100644
--- a/config/route.php
+++ b/config/route.php
@@ -71,6 +71,25 @@ Route::group('/common', function () {
         Route::any('/mobile/url_crawl', [app\common\controller\UsedCarController::class, 'crawlMobileCar']);
     });
 
+    // 二手车详情（扩展版）
+    Route::group('/usedcardetail', function () {
+        Route::any('/list', [app\common\controller\UsedCarDetailController::class, 'index']);
+        Route::any('/show', [app\common\controller\UsedCarDetailController::class, 'show']);
+        Route::any('/store', [app\common\controller\UsedCarDetailController::class, 'store']);
+        Route::any('/update', [app\common\controller\UsedCarDetailController::class, 'update']);
+        Route::any('/update/status', [app\common\controller\UsedCarDetailController::class, 'status']);
+        Route::any('/destroy', [app\common\controller\UsedCarDetailController::class, 'destroy']);
+        Route::any('/store/faqs', [app\common\controller\UsedCarDetailController::class, 'storeWithFaqs']);
+        Route::any('/update/faqs', [app\common\controller\UsedCarDetailController::class, 'updateWithFaqs']);
+        Route::any('/save/faqs', [app\common\controller\UsedCarDetailController::class, 'saveFaqs']);
+
+        // 审核相关
+        Route::any('/audit/submit', [app\common\controller\UsedCarDetailController::class, 'submitAudit']);
+        Route::any('/audit', [app\common\controller\UsedCarDetailController::class, 'audit']);
+        Route::any('/audit/records', [app\common\controller\UsedCarDetailController::class, 'auditRecords']);
+        Route::any('/audit/stats', [app\common\controller\UsedCarDetailController::class, 'auditStats']);
+    });
+
     Route::group('/user', function () {
         Route::any('/info', [app\common\controller\UserController::class, 'show']);
         Route::any('/edit', [app\common\controller\UserController::class, 'edit']);
diff --git a/public/db_log/used_car_detail.sql b/public/db_log/used_car_detail.sql
new file mode 100644
index 0000000..9852fde
--- /dev/null
+++ b/public/db_log/used_car_detail.sql
@@ -0,0 +1,122 @@
+-- 二手车主表（扩展版）
+CREATE TABLE `used_car_detail` (
+  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT '主键ID',
+
+  -- 基本信息（继承自 used_car）
+  `code` varchar(50) DEFAULT NULL COMMENT '车辆编号',
+  `user_id` bigint(20) unsigned NOT NULL COMMENT '用户ID',
+  `role_wp` tinyint(1) NOT NULL DEFAULT '2' COMMENT 'wp数据角色:1:业务,2:外部供应商,3:管理员',
+  `product_name` varchar(255) NOT NULL COMMENT '产品名称',
+  `vin` varchar(50) DEFAULT NULL COMMENT '车架号',
+  `price` decimal(10,2) unsigned NOT NULL DEFAULT '0.00' COMMENT '车辆价格',
+  `source_place` varchar(100) DEFAULT NULL COMMENT '来源地',
+  `plate_place` varchar(100) DEFAULT NULL COMMENT '上牌地',
+  `plate_time` varchar(20) DEFAULT NULL COMMENT '上牌时间',
+  `displacement` varchar(50) DEFAULT NULL COMMENT '排量',
+  `mileage` varchar(50) DEFAULT NULL COMMENT '里程',
+  `power` varchar(50) DEFAULT NULL COMMENT '马力',
+  `body_color` varchar(50) DEFAULT NULL COMMENT '车身颜色',
+  `images` text COMMENT '车辆图片JSON',
+  `condition_desc` text COMMENT '车况描述',
+  `attachment` text COMMENT '附件JSON',
+  `pdf_src` varchar(255) DEFAULT NULL COMMENT 'PDF文件路径',
+  `source_url` varchar(500) DEFAULT NULL COMMENT '来源链接',
+  `crawl_title` varchar(255) DEFAULT NULL COMMENT '爬取标题',
+  `crawl_brand` varchar(100) DEFAULT NULL COMMENT '爬取品牌',
+  `crawl_brand_id` varchar(50) DEFAULT NULL COMMENT '爬取品牌ID',
+  `crawl_series` varchar(100) DEFAULT NULL COMMENT '爬取车系',
+  `crawl_series_id` varchar(50) DEFAULT NULL COMMENT '爬取车系ID',
+  `crawl_year` varchar(10) DEFAULT NULL COMMENT '爬取年份',
+  `crawl_msrp` decimal(10,2) unsigned DEFAULT NULL COMMENT '爬取厂商指导价',
+  `crawl_car_id` varchar(50) DEFAULT NULL COMMENT '爬取车型ID',
+  `status` tinyint(1) NOT NULL DEFAULT '0' COMMENT '审核状态:0=待审核,1=审核通过,2=审核拒绝',
+  `sort` int(11) NOT NULL DEFAULT '0' COMMENT '排序',
+
+  -- 车辆信息简单描述（新增）
+  `simple_desc` text COMMENT '车辆信息简单描述',
+
+  -- 车辆介绍（新增）
+  `intro_images` text COMMENT '车辆介绍图片JSON',
+  `intro_text` text COMMENT '车辆介绍文本',
+  `intro_video` varchar(500) DEFAULT NULL COMMENT '车辆介绍视频URL',
+
+  -- 1. 基本信息（新增）
+  `official_guide_price` decimal(10,2) unsigned DEFAULT NULL COMMENT '官方指导价',
+  `manufacturer` varchar(100) DEFAULT NULL COMMENT '厂商',
+  `level` varchar(50) DEFAULT NULL COMMENT '级别',
+  `energy_type` varchar(50) DEFAULT NULL COMMENT '能源类型',
+  `listing_time` varchar(20) DEFAULT NULL COMMENT '上市时间',
+  `engine` varchar(255) DEFAULT NULL COMMENT '发动机',
+  `electric_motor` varchar(255) DEFAULT NULL COMMENT '电动机',
+  `nedc_range` int(11) unsigned DEFAULT NULL COMMENT '纯电续航里程(km)工信部',
+  `cltc_range` int(11) unsigned DEFAULT NULL COMMENT '纯电续航里程(km)CLTC',
+  `fast_charge_platform` varchar(100) DEFAULT NULL COMMENT '高压快充平台',
+  `charging_time` decimal(5,2) unsigned DEFAULT NULL COMMENT '充电时间(小时)',
+  `fast_charge_percent` tinyint(3) unsigned DEFAULT NULL COMMENT '快充电量(%)',
+  `max_power_kw` int(11) unsigned DEFAULT NULL COMMENT '最大功率(kW)',
+  `max_torque_nm` int(11) unsigned DEFAULT NULL COMMENT '最大扭矩(N·m)',
+  `transmission` varchar(100) DEFAULT NULL COMMENT '变速箱',
+  `dimensions` varchar(50) DEFAULT NULL COMMENT '长x宽x高(mm)',
+  `body_structure` varchar(50) DEFAULT NULL COMMENT '车身结构',
+  `max_speed` int(11) unsigned DEFAULT NULL COMMENT '最高车速(km/h)',
+  `acceleration_100` decimal(4,2) unsigned DEFAULT NULL COMMENT '官方百公里加速时间(s)',
+  `nedc_fuel_consumption` decimal(5,2) unsigned DEFAULT NULL COMMENT 'NEDC综合油耗(L/100km)',
+  `power_consumption_100` decimal(5,2) unsigned DEFAULT NULL COMMENT '百公里耗电量(kWh/100km)',
+  `equivalent_fuel_consumption` decimal(5,2) unsigned DEFAULT NULL COMMENT '电能当量燃料消耗量(L/100km)',
+  `maintenance_cost_60k` decimal(10,2) unsigned DEFAULT NULL COMMENT '6万公里保养总成本预估',
+
+  -- 2. 车身信息（新增）
+  `body_length` int(11) unsigned DEFAULT NULL COMMENT '长(mm)',
+  `body_width` int(11) unsigned DEFAULT NULL COMMENT '宽(mm)',
+  `body_height` int(11) unsigned DEFAULT NULL COMMENT '高(mm)',
+  `wheelbase` int(11) unsigned DEFAULT NULL COMMENT '轴距(mm)',
+  `door_count` tinyint(3) unsigned DEFAULT NULL COMMENT '车门数(个)',
+  `door_open_type` varchar(50) DEFAULT NULL COMMENT '车门开启方式',
+  `seat_count` tinyint(3) unsigned DEFAULT NULL COMMENT '座位数(个)',
+
+  -- 3. 变速箱（新增）
+  `transmission_desc` varchar(255) DEFAULT NULL COMMENT '变速箱描述',
+  `gear_count` tinyint(3) unsigned DEFAULT NULL COMMENT '挡位数',
+  `transmission_type` varchar(50) DEFAULT NULL COMMENT '变速箱类型',
+
+  -- 4. 底盘/转向（新增）
+  `drive_mode` varchar(50) DEFAULT NULL COMMENT '驱动方式',
+  `front_suspension` varchar(100) DEFAULT NULL COMMENT '前悬挂形式',
+  `rear_suspension` varchar(100) DEFAULT NULL COMMENT '后悬挂形式',
+  `steering_type` varchar(50) DEFAULT NULL COMMENT '转向类型',
+
+  -- 5. 主动安全（新增）
+  `has_abs` varchar(20) DEFAULT NULL COMMENT 'ABS防抱死',
+  `has_ebd` varchar(20) DEFAULT NULL COMMENT '制动力分配(EBD/CBC等)',
+  `has_bra` varchar(20) DEFAULT NULL COMMENT '刹车辅助(EBA/BA等)',
+  `has_tcs` varchar(20) DEFAULT NULL COMMENT '牵引力控制(TCS/ASR等)',
+  `has_esp` varchar(20) DEFAULT NULL COMMENT '车身稳定系统(ESP/DSC等)',
+  `has_active_brake` varchar(20) DEFAULT NULL COMMENT '主动刹车',
+  `has_lane_assist` varchar(20) DEFAULT NULL COMMENT '并线辅助',
+  `has_lka` varchar(20) DEFAULT NULL COMMENT '车道保持辅助系统',
+  `has_lane_centering` varchar(20) DEFAULT NULL COMMENT '车道居中保持',
+  `has_fatigue_remind` varchar(20) DEFAULT NULL COMMENT '疲劳驾驶提示',
+
+  -- 6. 车轮/制动（新增）
+  `front_brake_type` varchar(50) DEFAULT NULL COMMENT '前制动器类型',
+  `rear_brake_type` varchar(50) DEFAULT NULL COMMENT '后制动器类型',
+  `parking_brake_type` varchar(50) DEFAULT NULL COMMENT '驻车制动类型',
+  `front_tire_spec` varchar(50) DEFAULT NULL COMMENT '前轮胎规格尺寸',
+  `rear_tire_spec` varchar(50) DEFAULT NULL COMMENT '后轮胎规格尺寸',
+
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `uk_code` (`code`),
+  KEY `idx_user_id` (`user_id`),
+  KEY `idx_role_wp` (`role_wp`),
+  KEY `idx_status` (`status`),
+  KEY `idx_brand_series` (`crawl_brand_id`, `crawl_series_id`),
+  KEY `idx_price` (`price`),
+  KEY `idx_created_at` (`created_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='二手车详情表（扩展版）';
+
+
+ALTER TABLE `useds`.`user`
+  ADD COLUMN `role_wp` TINYINT (2) DEFAULT 1 NULL COMMENT 'wp数据角色:1:业务,2:外部供应商,3:管理员' AFTER `role`;
diff --git a/public/db_log/used_car_detail_audit.sql b/public/db_log/used_car_detail_audit.sql
new file mode 100644
index 0000000..5824b62
--- /dev/null
+++ b/public/db_log/used_car_detail_audit.sql
@@ -0,0 +1,18 @@
+-- 二手车审核记录表
+CREATE TABLE `used_car_detail_audit` (
+  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT '主键ID',
+  `car_id` bigint(20) unsigned NOT NULL COMMENT '关联used_car_detail.id',
+  `auditor_id` bigint(20) unsigned NOT NULL COMMENT '审核人ID',
+  `audit_status` tinyint(1) NOT NULL COMMENT '审核状态:0=待审核,1=通过,2=拒绝',
+  `audit_reason` varchar(500) DEFAULT NULL COMMENT '审核理由/拒绝原因',
+  `before_status` tinyint(1) DEFAULT NULL COMMENT '审核前状态',
+  `after_status` tinyint(1) DEFAULT NULL COMMENT '审核后状态',
+  `created_at` timestamp NULL DEFAULT NULL COMMENT '审核时间',
+  `updated_at` timestamp NULL DEFAULT NULL,
+
+  PRIMARY KEY (`id`),
+  KEY `idx_car_id` (`car_id`),
+  KEY `idx_auditor_id` (`auditor_id`),
+  KEY `idx_audit_status` (`audit_status`),
+  KEY `idx_created_at` (`created_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='二手车审核记录表';
diff --git a/public/db_log/used_car_faq.sql b/public/db_log/used_car_faq.sql
new file mode 100644
index 0000000..2ebd34e
--- /dev/null
+++ b/public/db_log/used_car_faq.sql
@@ -0,0 +1,16 @@
+-- 二手车FAQ关联表
+CREATE TABLE `used_car_faq` (
+  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT '主键ID',
+  `car_id` bigint(20) unsigned NOT NULL COMMENT '关联used_car_detail.id',
+  `question` varchar(500) NOT NULL COMMENT '问题',
+  `answer` text NOT NULL COMMENT '答案',
+  `sort` int(11) NOT NULL DEFAULT '0' COMMENT '排序',
+  `status` tinyint(1) NOT NULL DEFAULT '1' COMMENT '状态:0=禁用,1=启用',
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+
+  PRIMARY KEY (`id`),
+  KEY `idx_car_id` (`car_id`),
+  KEY `idx_status` (`status`),
+  KEY `idx_sort` (`sort`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='二手车常见问题表';
diff --git a/public/db_log/审批.sql b/public/db_log/审批.sql
deleted file mode 100644
index 42e65da..0000000
--- a/public/db_log/审批.sql
+++ /dev/null
@@ -1,94 +0,0 @@
-CREATE TABLE `approval_flows` (
-  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
-  `name` varchar(255) NOT NULL COMMENT '流程名称',
-  `type` varchar(100) NOT NULL COMMENT '业务类型标识，如 leave, reimbursement',
-  `steps` json NOT NULL COMMENT '审批步骤配置',
-  `is_active` tinyint(1) NOT NULL DEFAULT '1' COMMENT '是否启用',
-  `timeout_hours` int(11) NOT NULL DEFAULT '0' COMMENT '实例级超时时间（小时），0为不超时',
-  `timeout_action` varchar(20) NOT NULL DEFAULT 'auto_reject' COMMENT 'auto_approve | auto_reject',
-  `created_at` timestamp NULL DEFAULT NULL,
-  `updated_at` timestamp NULL DEFAULT NULL,
-  PRIMARY KEY (`id`),
-  UNIQUE KEY `uk_flow_type` (`type`)
-) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COMMENT='审批流程定义';
-
-CREATE TABLE `approval_instances` (
-  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
-  `flow_type` varchar(100) NOT NULL COMMENT '关联 approval_flows.type',
-  `biz_id` varchar(255) NOT NULL COMMENT '业务ID',
-  `biz_type` varchar(100) NOT NULL COMMENT '业务标识/表名',
-  `form_data` json NOT NULL COMMENT '提交表单快照',
-  `initiator_id` bigint(20) unsigned NOT NULL COMMENT '发起人',
-  `status` varchar(20) NOT NULL DEFAULT 'processing' COMMENT 'processing|approved|rejected|revoked|timed_out',
-  `current_step` int(11) NOT NULL DEFAULT '0' COMMENT '当前步骤索引',
-  `round` int(11) NOT NULL DEFAULT '1' COMMENT '当前轮次：1=首次，重提+1',
-  `finished_at` timestamp NULL DEFAULT NULL,
-  `deadline_at` timestamp NULL DEFAULT NULL,
-  `created_at` timestamp NULL DEFAULT NULL,
-  `updated_at` timestamp NULL DEFAULT NULL,
-  PRIMARY KEY (`id`),
-  KEY `idx_flow_type` (`flow_type`),
-  KEY `idx_biz` (`biz_type`,`biz_id`),
-  KEY `idx_initiator` (`initiator_id`),
-  KEY `idx_status_updated` (`status`,`updated_at`)
-) ENGINE=InnoDB AUTO_INCREMENT=68 DEFAULT CHARSET=utf8mb4 COMMENT='审批实例';
-
-CREATE TABLE `approval_records` (
-  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
-  `instance_id` bigint(20) unsigned NOT NULL COMMENT 'approval_instances.id',
-  `approver_id` bigint(20) unsigned NOT NULL COMMENT '审批人',
-  `step_index` int(11) NOT NULL COMMENT '步骤索引',
-  `round` int(11) NOT NULL DEFAULT '1' COMMENT '所属轮次',
-  `action` varchar(20) DEFAULT NULL COMMENT 'approve|reject，待办时为NULL',
-  `status` varchar(20) NOT NULL DEFAULT 'pending' COMMENT 'pending|approved|rejected|skipped|timeout',
-  `comment` text COMMENT '审批意见',
-  `approved_at` timestamp NULL DEFAULT NULL COMMENT '审批时间/关闭时间',
-  `created_at` timestamp NULL DEFAULT NULL,
-  `updated_at` timestamp NULL DEFAULT NULL,
-  PRIMARY KEY (`id`),
-  UNIQUE KEY `uk_instance_step_approver` (`instance_id`,`step_index`,`approver_id`),
-  KEY `idx_instance_step_status` (`instance_id`,`step_index`,`status`),
-  KEY `idx_approver` (`approver_id`),
-  KEY `idx_instance_step_round` (`instance_id`,`step_index`,`round`)
-) ENGINE=InnoDB AUTO_INCREMENT=105 DEFAULT CHARSET=utf8mb4 COMMENT='审批记录';
-
-CREATE TABLE `approval_transfers` (
-  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
-  `instance_id` bigint(20) unsigned NOT NULL,
-  `step_index` int(11) NOT NULL,
-  `record_id` bigint(20) unsigned NOT NULL COMMENT '转交后仍然有效的记录ID（若合并则为目标记录ID）',
-  `from_user_id` bigint(20) unsigned NOT NULL,
-  `to_user_id` bigint(20) unsigned NOT NULL,
-  `reason` text,
-  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
-  PRIMARY KEY (`id`),
-  KEY `idx_record` (`record_id`),
-  KEY `idx_instance_step` (`instance_id`,`step_index`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='审批转交日志';
-
-CREATE TABLE `approval_ccs` (
-  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
-  `instance_id` bigint(20) unsigned NOT NULL,
-  `user_id` bigint(20) unsigned NOT NULL,
-  `notified_at` timestamp NULL DEFAULT NULL,
-  `read_at` timestamp NULL DEFAULT NULL,
-  `created_at` timestamp NULL DEFAULT NULL,
-  `updated_at` timestamp NULL DEFAULT NULL,
-  PRIMARY KEY (`id`),
-  UNIQUE KEY `uk_instance_user` (`instance_id`,`user_id`),
-  KEY `idx_user` (`user_id`),
-  KEY `idx_instance` (`instance_id`)
-) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=utf8mb4 COMMENT='审批抄送';
-
-CREATE TABLE `approval_discussions` (
-  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
-  `instance_id` bigint(20) unsigned NOT NULL,
-  `user_id` bigint(20) unsigned NOT NULL,
-  `is_internal` tinyint(1) NOT NULL DEFAULT '0' COMMENT '0=公开,1=仅审批人可见',
-  `content` text NOT NULL,
-  `attachments` json DEFAULT NULL,
-  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
-  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-  PRIMARY KEY (`id`),
-  KEY `idx_instance_id` (`instance_id`)
-) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COMMENT='审批讨论';
\ No newline at end of file
diff --git a/public/db_log/物品领用.sql b/public/db_log/物品领用.sql
deleted file mode 100644
index 570a17e..0000000
--- a/public/db_log/物品领用.sql
+++ /dev/null
@@ -1,174 +0,0 @@
-SET NAMES utf8mb4;
-SET FOREIGN_KEY_CHECKS = 0;
-
--- 1. 物品主数据表：增加 company_id
-DROP TABLE IF EXISTS inv_item;
-CREATE TABLE inv_item (
-    id              BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
-    company_id      BIGINT(20) UNSIGNED DEFAULT NULL COMMENT '物品所属公司ID',
-    item_code       VARCHAR(64)  NOT NULL COMMENT '物品编号（公司内部编码）',
-    item_name       VARCHAR(128) NOT NULL COMMENT '物品名称',
-    category_id     BIGINT(20) UNSIGNED DEFAULT NULL COMMENT '物品分类ID（可选，指向分类表）',
-    spec_model      VARCHAR(128) DEFAULT NULL COMMENT '规格型号',
-    unit            VARCHAR(32)  DEFAULT '件' COMMENT '计量单位，如 件/盒/包',
-    is_consumable   TINYINT(1)   DEFAULT 1 COMMENT '是否耗材：1耗材(不需归还)，0非耗材(需归还)',
-    stock_qty       INT(11)      DEFAULT 0 COMMENT '当前库存数量',
-    manage_user_id  BIGINT(20) UNSIGNED DEFAULT NULL COMMENT '物品管理员用户ID',
-    location        VARCHAR(255) DEFAULT NULL COMMENT '存放位置说明',
-    remark          VARCHAR(255) DEFAULT NULL COMMENT '备注',
-    created_at      INT(11)      NOT NULL DEFAULT 0 COMMENT '创建时间时间戳',
-    updated_at      INT(11)      NOT NULL DEFAULT 0 COMMENT '更新时间时间戳',
-    PRIMARY KEY (id),
-    UNIQUE KEY uk_item_code (item_code),
-    KEY idx_company (company_id),
-    KEY idx_category (category_id),
-    KEY idx_manage_user (manage_user_id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='物品主数据表';
-
-
--- 2. 物品领用/借用申请单（主表）
-DROP TABLE IF EXISTS inv_requisition;
-CREATE TABLE inv_requisition (
-    id                   BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
-    order_no             VARCHAR(64)  NOT NULL COMMENT '申请单号',
-
-    applicant_company_id BIGINT(20) UNSIGNED DEFAULT NULL COMMENT '申请人所在公司ID（可选）',
-    dept_id              BIGINT(20) UNSIGNED DEFAULT NULL COMMENT '申请人部门ID',
-    applicant_id         BIGINT(20) UNSIGNED NOT NULL COMMENT '申请人用户ID',
-    applicant_name       VARCHAR(64)  DEFAULT NULL COMMENT '申请人姓名快照',
-    leader_id            BIGINT(20) UNSIGNED DEFAULT NULL COMMENT '直属上级用户ID',
-    manager_id           BIGINT(20) UNSIGNED DEFAULT NULL COMMENT '物品管理员用户ID（主负责人）',
-
-    borrow_reason        VARCHAR(255) NOT NULL COMMENT '领用/借用事由',
-    use_start_date       DATE         NOT NULL COMMENT '借用/预计使用开始日期',
-    use_end_date         DATE         DEFAULT NULL COMMENT '预计归还日期（耗材可为空）',
-
-    -- 0草稿 10待直属上级审批 20直属上级通过待物品管理员审批
-    -- 30全部通过 40已驳回 50已取消
-    status               TINYINT(3)   NOT NULL DEFAULT 10 COMMENT '审批状态',
-
-    is_returned          TINYINT(1)   NOT NULL DEFAULT 0 COMMENT '是否已全部归还(针对需要归还的物品)：0否 1是',
-
-    remark               VARCHAR(255) DEFAULT NULL COMMENT '备注',
-    created_at           INT(11)      NOT NULL DEFAULT 0 COMMENT '创建时间时间戳',
-    updated_at           INT(11)      NOT NULL DEFAULT 0 COMMENT '更新时间时间戳',
-
-    PRIMARY KEY (id),
-    UNIQUE KEY uk_order_no (order_no),
-    KEY idx_applicant (applicant_id),
-    KEY idx_status (status)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='物品领用/借用申请单';
-
-
--- 3. 申请单明细表：支持部分、多次归还
-DROP TABLE IF EXISTS inv_requisition_item;
-CREATE TABLE inv_requisition_item (
-    id                  BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
-    requisition_id      BIGINT(20) UNSIGNED NOT NULL COMMENT '申请单ID',
-    item_id             BIGINT(20) UNSIGNED NOT NULL COMMENT '物品ID',
-
-    item_name_snap      VARCHAR(128) DEFAULT NULL COMMENT '物品名称快照',
-    spec_model_snap     VARCHAR(128) DEFAULT NULL COMMENT '规格型号快照',
-    unit_snap           VARCHAR(32)  DEFAULT NULL COMMENT '单位快照',
-    is_consumable_snap  TINYINT(1)   DEFAULT NULL COMMENT '是否耗材快照：1耗材 0非耗材',
-
-    request_qty         INT(11)      NOT NULL DEFAULT 1 COMMENT '申请数量',
-    approved_qty        INT(11)      DEFAULT NULL COMMENT '实批数量（可与申请数量不同）',
-    returned_qty        INT(11)      NOT NULL DEFAULT 0 COMMENT '已归还数量（累加）',
-
-    -- 对于非耗材：returned_qty >= approved_qty 时置为1
-    is_finished         TINYINT(1)   NOT NULL DEFAULT 0 COMMENT '该物品是否已完成归还：0否 1是',
-
-    remark              VARCHAR(255) DEFAULT NULL COMMENT '行备注',
-    created_at          INT(11)      NOT NULL DEFAULT 0 COMMENT '创建时间时间戳',
-    updated_at          INT(11)      NOT NULL DEFAULT 0 COMMENT '更新时间时间戳',
-
-    PRIMARY KEY (id),
-    KEY idx_req (requisition_id),
-    KEY idx_item (item_id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='物品领用申请明细表';
-
-
--- 4. 审批记录表（同上一版，略微无改动）
-DROP TABLE IF EXISTS inv_requisition_approve;
-CREATE TABLE inv_requisition_approve (
-    id                BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
-    requisition_id    BIGINT(20) UNSIGNED NOT NULL COMMENT '申请单ID',
-    node_type         VARCHAR(32)  NOT NULL COMMENT '审批节点类型：leader=直属上级，manager=物品管理员，other=其他',
-    approver_id       BIGINT(20) UNSIGNED NOT NULL COMMENT '审批人用户ID',
-    approver_name     VARCHAR(64)  DEFAULT NULL COMMENT '审批人姓名快照',
-    action            TINYINT(3)   NOT NULL COMMENT '审批动作：1通过 2驳回',
-    comment           VARCHAR(255) DEFAULT NULL COMMENT '审批意见',
-    action_at         INT(11)      NOT NULL DEFAULT 0 COMMENT '审批时间时间戳',
-
-    created_at        INT(11)      NOT NULL DEFAULT 0 COMMENT '创建时间时间戳',
-    updated_at        INT(11)      NOT NULL DEFAULT 0 COMMENT '更新时间时间戳',
-
-    PRIMARY KEY (id),
-    KEY idx_req (requisition_id),
-    KEY idx_node (node_type),
-    KEY idx_approver (approver_id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='物品领用申请审批记录表';
-
-
--- 5. 申请单附件表（申请时上传）
-DROP TABLE IF EXISTS inv_requisition_attachment;
-CREATE TABLE inv_requisition_attachment (
-    id                BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
-    requisition_id    BIGINT(20) UNSIGNED NOT NULL COMMENT '申请单ID',
-    file_name         VARCHAR(255) NOT NULL COMMENT '文件原始名称',
-    file_path         VARCHAR(255) NOT NULL COMMENT '文件存储路径/URL',
-    file_size         INT(11)      DEFAULT NULL COMMENT '文件大小（字节）',
-    created_at        INT(11)      NOT NULL DEFAULT 0 COMMENT '创建时间时间戳',
-    updated_at        INT(11)      NOT NULL DEFAULT 0 COMMENT '更新时间时间戳',
-
-    PRIMARY KEY (id),
-    KEY idx_req (requisition_id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='物品领用申请附件表';
-
-
-/* ================= 归 还 相 关 表 ================= */
-
--- 6. 归还记录表：一次归还动作（可归还一个明细的一部分）
-DROP TABLE IF EXISTS inv_requisition_item_return;
-CREATE TABLE inv_requisition_item_return (
-    id                  BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
-    requisition_id      BIGINT(20) UNSIGNED NOT NULL COMMENT '申请单ID',
-    requisition_item_id BIGINT(20) UNSIGNED NOT NULL COMMENT '申请单明细ID',
-    item_id             BIGINT(20) UNSIGNED NOT NULL COMMENT '物品ID',
-
-    return_qty          INT(11)      NOT NULL DEFAULT 0 COMMENT '本次归还数量',
-    handler_id          BIGINT(20) UNSIGNED NOT NULL COMMENT '办理归还的人(通常是物品管理员)',
-    handler_name        VARCHAR(64)  DEFAULT NULL COMMENT '办理人姓名快照',
-
-    return_status       TINYINT(3)   NOT NULL DEFAULT 1 COMMENT '归还状态：1正常归还 2损坏 3其他',
-    remark              VARCHAR(255) DEFAULT NULL COMMENT '归还备注',
-
-    return_at           INT(11)      NOT NULL DEFAULT 0 COMMENT '归还时间时间戳',
-    created_at          INT(11)      NOT NULL DEFAULT 0 COMMENT '创建时间时间戳',
-    updated_at          INT(11)      NOT NULL DEFAULT 0 COMMENT '更新时间时间戳',
-
-    PRIMARY KEY (id),
-    KEY idx_req (requisition_id),
-    KEY idx_req_item (requisition_item_id),
-    KEY idx_item (item_id),
-    KEY idx_handler (handler_id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='物品归还记录表（支持多次、部分归还）';
-
-
--- 7. 归还附件表：归还时拍照留底
-DROP TABLE IF EXISTS inv_requisition_item_return_attachment;
-CREATE TABLE inv_requisition_item_return_attachment (
-    id                        BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
-    return_id                 BIGINT(20) UNSIGNED NOT NULL COMMENT '归还记录ID',
-    file_name                 VARCHAR(255) NOT NULL COMMENT '文件原始名称',
-    file_path                 VARCHAR(255) NOT NULL COMMENT '文件存储路径/URL（通常为照片）',
-    file_size                 INT(11)      DEFAULT NULL COMMENT '文件大小（字节）',
-    created_at                INT(11)      NOT NULL DEFAULT 0 COMMENT '创建时间时间戳',
-    updated_at                INT(11)      NOT NULL DEFAULT 0 COMMENT '更新时间时间戳',
-
-    PRIMARY KEY (id),
-    KEY idx_return (return_id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='物品归还记录附件表（归还拍照留底）';
-
-SET FOREIGN_KEY_CHECKS = 1;