diff --git a/app/common/controller/AuthController.php b/app/common/controller/AuthController.php
index 26323e2..a568b82 100644
--- a/app/common/controller/AuthController.php
+++ b/app/common/controller/AuthController.php
@@ -38,6 +38,29 @@ class AuthController extends BaseController
             return $this->error($e->getMessage().$e->getLine().$e->getFile());
         }
     }
+
+    /**
+     * JSAPI鉴权签名
+     * @param Request $request
+     * @return \support\Response
+     */
+    public function signature(Request $request)
+    {
+        try {
+            $app_id = $request->get('app_id', '');
+            $url = $request->get('url', '');
+            if (empty($app_id)) {
+                throw new BusinessException('app_id 参数不能为空');
+            }
+            if (empty($url)) {
+                throw new BusinessException('url 参数不能为空');
+            }
+            $result = (new AuthService())->feishuSignature($app_id, $url);
+            return $this->success($result);
+        } catch (\Throwable $e) {
+            return $this->error($e->getMessage().$e->getLine().$e->getFile());
+        }
+    }
     
     public function login(Request $request)
     {
diff --git a/app/common/controller/UsedCarController.php b/app/common/controller/UsedCarController.php
index ce2a133..2c3433d 100644
--- a/app/common/controller/UsedCarController.php
+++ b/app/common/controller/UsedCarController.php
@@ -5,6 +5,7 @@ use app\common\controller\BaseController;
 use app\common\service\OssService;
 use app\common\traits\crud\CrudControllerTrait;
 use app\common\service\UsedCarService;
+use support\Request;
 
 class UsedCarController extends BaseController
 {
@@ -66,4 +67,14 @@ class UsedCarController extends BaseController
          }
          return $data;
      }
+
+     public function crawlKeyword(Request $request){
+         try {
+//             $keyword = $request->get('keyword');
+             $data = $this->service->crawlKeyword($request);
+             return $this->success($data);
+         } catch (\Throwable $e) {
+             return $this->error($e->getMessage());
+         }
+     }
 }
\ No newline at end of file
diff --git a/app/common/logic/AuthLogic.php b/app/common/logic/AuthLogic.php
index f2541ee..f4510f1 100644
--- a/app/common/logic/AuthLogic.php
+++ b/app/common/logic/AuthLogic.php
@@ -309,7 +309,7 @@ class AuthLogic
     /**
      * 获取飞书应用信息
      */
-    public function feishuAppInfo(string $app_id, string $systemCode)
+    public function feishuAppInfo(string $app_id, string $systemCode='')
     {
         $fsAppInfo = CorpFeishuApp::where('app_id', $app_id)->first();
         return [
diff --git a/app/common/service/AuthService.php b/app/common/service/AuthService.php
index 727ac41..6f961a3 100644
--- a/app/common/service/AuthService.php
+++ b/app/common/service/AuthService.php
@@ -21,6 +21,75 @@ class AuthService
         return ['auth_url' => $feishu->authorize($certificate, $mobile)];
     }
 
+    /**
+     * JSAPI鉴权签名
+     */
+    public function feishuSignature(string $app_id, string $url = '')
+    {
+        $logic = new AuthLogic();
+        $certificate = $logic->feishuAppInfo($app_id);
+        $feishu = new Feishu($certificate['app_id'], $certificate['app_secret'], 'xinyouhe');
+        
+        // 获取 jsapi_ticket
+        $jsapiTicket = $feishu->jsapiTicket();
+        
+        // 处理 URL：移除 # 和 ? 后面的参数
+        $url = $this->cleanUrl($url);
+        
+        // 生成随机字符串
+        $noncestr = $this->generateNonceStr();
+        
+        // 获取毫秒级时间戳
+        $timestamp = (int)round(microtime(true) * 1000);
+        
+        // 拼接签名字符串
+        $verifyStr = "jsapi_ticket={$jsapiTicket}&noncestr={$noncestr}&timestamp={$timestamp}&url={$url}";
+        
+        // 生成 SHA1 签名
+        $signature = sha1($verifyStr);
+        
+        return [
+            'jsapi_ticket' => $jsapiTicket,
+            'noncestr' => $noncestr,
+            'timestamp' => $timestamp,
+            'url' => $url,
+            'signature' => $signature
+        ];
+    }
+
+    /**
+     * 清理 URL，移除 # 和 ? 后面的参数
+     */
+    private function cleanUrl(string $url): string
+    {
+        // 移除 # 后面的内容
+        $pos = strpos($url, '#');
+        if ($pos !== false) {
+            $url = substr($url, 0, $pos);
+        }
+        
+        // 移除 ? 后面的内容
+        $pos = strpos($url, '?');
+        if ($pos !== false) {
+            $url = substr($url, 0, $pos);
+        }
+        
+        return $url;
+    }
+
+    /**
+     * 生成随机字符串（由数字、字母组成）
+     */
+    private function generateNonceStr(int $length = 16): string
+    {
+        $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+        $noncestr = '';
+        for ($i = 0; $i < $length; $i++) {
+            $noncestr .= $chars[mt_rand(0, strlen($chars) - 1)];
+        }
+        return $noncestr;
+    }
+
     /**
      * 登录，支持多类型
      */
diff --git a/app/common/service/CrawlService.php b/app/common/service/CrawlService.php
new file mode 100644
index 0000000..f437ba6
--- /dev/null
+++ b/app/common/service/CrawlService.php
@@ -0,0 +1,90 @@
+<?php
+
+namespace app\common\service;
+
+use app\common\logic\BrandLogic;
+use QL\QueryList;
+
+class CrawlService
+{
+    public function brandSeries($brand)
+    {
+        $url = "https://www.dongchedi.com/search?currTab=6&keyword=".$brand.'&from=search_tab_er&api_param={"en_qc":+0}';
+        $ql = QueryList::get($url );
+        $series = [];
+        $ql->find('div.card-name')->texts()->map(function($item) use(&$series) {
+            $series[] = $item;
+        });
+        return $series;
+    }
+
+    public function seriesModel($series)
+    {
+        $href = $this->modelSearch($series);
+
+        //例如 $seriesUrl = "https://www.dongchedi.com/auto/series/4865?anchorId=carModels"
+        if (empty($href)) {
+            return [];
+        }
+
+        $seriesUrl = (strpos($href, 'http') === 0) ? $href : ("https://www.dongchedi.com" . $href);
+        $ql = QueryList::get($seriesUrl);
+
+        $nodes = $ql->find('div.tw-grid div.tw-relative div.tw-items-center>a');
+        $texts = $nodes->texts()->all();
+        $links = $nodes->attrs('href')->all();
+        $nodes = $ql->find('div.tw-grid div.tw-text-color-gray-800');
+        $price = $nodes->texts()->all();
+
+        $results = [];
+        foreach ($texts as $index => $text) {
+            $link = $links[$index] ?? '';
+            if (!empty($link) && strpos($link, 'http') !== 0) {
+                $link = 'https://www.dongchedi.com' . $link;
+            }
+            $results[] = [
+                'title' => trim($text),
+                'link' => $link,
+                'msrp' => (int)(str_replace("万", "", $price[$index]) * 10000) ?? 0,
+            ];
+        }
+
+        return $results;
+    }
+
+//    public function modelDesc(array $models)
+//    {
+//
+//    }
+
+    /**
+     * 返回车系地址
+     * @param $series
+     * @return mixed|string
+     */
+    public function modelSearch($series)
+    {
+        $url = "https://www.dongchedi.com/search?keyword=".$series;
+        $ql = QueryList::get($url );
+        $href = '';
+        $ql->find('a.fold-btn')->attrs('href')
+            ->map(function ($item) use(&$href) {
+                $href = $item;
+            });
+        return $href;
+    }
+
+    /**
+     * 关键词搜索的更多页面，通过面包屑抓取品牌与系列
+     * @param $series
+     * @return mixed|string
+     */
+    public function crawlBrandSeries($series)
+    {
+        $url = "https://www.dongchedi.com/auto/series/" . $series . "?anchorId=carModels";
+        $ql = QueryList::get($url);
+        $result = $ql->find('div.breadcrumb_wrap__2GLeU span')->texts()->all();
+
+        return ['brand' => $result[2], 'series' => $result[3]];
+    }
+}
\ No newline at end of file
diff --git a/app/common/service/UsedCarService.php b/app/common/service/UsedCarService.php
index 04af25c..57b12d2 100644
--- a/app/common/service/UsedCarService.php
+++ b/app/common/service/UsedCarService.php
@@ -5,7 +5,9 @@ namespace app\common\service;
 use app\common\validate\UsedCarValidate;
 use app\common\traits\crud\CrudServiceTrait;
 use app\common\model\UsedCar;
+use GuzzleHttp\Client;
 use support\exception\BusinessException;
+use support\Log;
 use support\Request;
 
 class UsedCarService
@@ -95,4 +97,153 @@ class UsedCarService
         $data['user_id'] = $request->user['id'];
         return $data;
     }
+
+
+
+    /**
+     * 抓取车型数据（通过接口）
+     * @param Request $request
+     * @return array
+     * @throws \Exception
+     */
+    public function crawlKeyword(Request $request): array
+    {
+        $keyword = $request->get('keyword');
+
+        // 执行抓取
+        $crawlService = new CrawlService();
+
+        //懂车帝模糊搜索返回车系地址|单个车系id抓取
+        $href = $crawlService->modelSearch($keyword);
+        $seriesId = $this->extractSeriesId($href); //懂车帝车系id
+
+//        if (empty($seriesId)) { //没有抓取到懂车帝系列id时，按关键词为品牌名抓取所有的系列名
+//            $crawlSeries = $crawlService->brandSeries($keyword);
+//        }
+        //按关键词为品牌名抓取所有的系列名
+        $crawlSeries = $crawlService->brandSeries($keyword);
+
+        if (empty($seriesId) && empty($crawlSeries)) {
+            throw new \Exception('抓取失败，未找到该系列车型');
+        }
+
+        $brandSerieses = [];
+        if(empty($seriesId) && !empty($crawlSeries) || count($crawlSeries)>1){ //关键词为品牌名时抓取所有车系的懂车帝id
+            $href = $crawlService->modelSearch($crawlSeries[0]);
+            $seriesId = $this->extractSeriesId($href); //懂车帝车系id
+            //抓取品牌与系列
+            $brandSeries = $crawlService->crawlBrandSeries($seriesId);
+            foreach ($crawlSeries as $item) {
+//                $brandSerieses[] = $crawlService->brandSeries($keyword);
+                $brandSerieses[] = ['brand' => $brandSeries['brand'], 'series' => $item];
+            }
+        }elseif (!empty($seriesId) && empty($crawlSeries)){
+            //抓取品牌与系列
+            $brandSerieses[] = $crawlService->crawlBrandSeries($seriesId);
+        }
+
+        $result = [];
+        try {
+            foreach ($brandSerieses as $brandSeries) {
+                $item = [];
+                $item['brand'] = ['brand_name' => $brandSeries['brand']];
+                $item['series'] = ['series_name' => $brandSeries['series']];
+
+                //获取车型数据
+                $item['model'] = [];
+                if (count($brandSerieses)<2) {
+                    $item['model'] = $this->crawlSeriesModel($seriesId);
+                }
+                $result[] = $item;
+            }
+
+            return ['is_series' => (count($brandSerieses)<2)?1:0, 'data' => $result];
+        } catch (\Exception $e) {
+            throw new \Exception($e->getMessage());
+        }
+    }
+
+    /**
+     * 获取车系下车型数据
+     * @return array
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    public function crawlSeriesModel($seriesId)
+    {
+        $client = new Client([
+            'verify' => false, // 禁用 SSL 验证
+            'timeout' => 10
+        ]);
+        try {
+            $response = $client->get('https://www.dongchedi.com/motor/pc/car/series/car_list', [
+                'query' => ['series_id' => $seriesId],
+                'headers' => [
+                    'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
+                ]
+            ]);
+            $data = json_decode($response->getBody()->getContents(), true);
+            if($data['status'] != 0 || (!isset($data['data']) && !isset($data['data']['tab_list']))){
+                Log::error('抓取车型数据失败' . $data['message'], $data);
+                throw new \Exception('抓取车型数据失败' . $data['message']);
+            }
+            $models = [];
+            foreach ($data['data']['tab_list'] as $item) {
+                if($item['tab_text'] == '在售' || $item['tab_text'] == '停售'){
+                    unset($item['data'][0]);
+                    $models = array_merge($models, $item['data']);
+                }
+            }
+            foreach ($models as $key => $model) {
+                if(!isset($model["info"]['car_name']) || $model['type'] != "1115"){
+                    unset($models[$key]);
+                    continue;
+                }
+                $official_price = 0;
+                if(!isset($model["info"]['official_price'])){
+                    $official_price = (int)(str_replace("万", "", $model["info"]['official_price_str']) * 10000) ?? 0;
+                }else{
+                    $official_price = $model["info"]['official_price'] * 10000;
+                }
+                $models[$key] = [
+                    'title' => $model["info"]['year'] . '款 ' .$model["info"]['car_name'],
+                    'brand_name' => $model["info"]['brand_name'],
+                    'series_name' => $model["info"]['series_name'],
+                    'year' => $model["info"]['year'],
+                    'msrp' => $official_price,
+                    'car_id' => $model["info"]['id'],
+                ];
+            }
+
+            return array_values($models);
+
+        } catch (\Exception $e) {
+            throw new \Exception($e->getMessage());
+        }
+    }
+
+    /**
+     * 从懂车帝URL中提取series ID
+     * @param string $url 完整的URL
+     * @return string|null series ID或null
+     */
+    function extractSeriesId($url) {
+        // 解析URL获取路径部分
+        $path = parse_url($url, PHP_URL_PATH);
+
+        if (!$path) {
+            return null;
+        }
+
+        // 按斜杠分割路径
+        $pathParts = explode('/', trim($path, '/'));
+
+        // 查找 'series' 的位置，下一个元素就是series ID
+        $seriesIndex = array_search('series', $pathParts);
+
+        if ($seriesIndex !== false && isset($pathParts[$seriesIndex + 1])) {
+            return $pathParts[$seriesIndex + 1];
+        }
+
+        return null;
+    }
 }
\ No newline at end of file
diff --git a/app/common/utils/Feishu.php b/app/common/utils/Feishu.php
index bb4f98d..39c9121 100644
--- a/app/common/utils/Feishu.php
+++ b/app/common/utils/Feishu.php
@@ -109,7 +109,7 @@ class Feishu
      */
     public function tenantAccessToken()
     {
-        $tenantAccessToken = Cache::get($this->abbr.'-tenantAccessToken');
+        $tenantAccessToken = Cache::get($this->appId.'-tenantAccessToken');
         if (!$tenantAccessToken) {
             $this->options["json"] = [
                 "app_id"        => $this->appId,
@@ -118,7 +118,7 @@ class Feishu
             $rst = $this->requestResult('auth/v3/tenant_access_token/internal', 'POST');
             if ($rst) {
                 $tenantAccessToken = $rst['tenant_access_token'];
-                Cache::set($this->abbr.'-tenantAccessToken', $tenantAccessToken, $rst['expire']);
+                Cache::set($this->appId.'-tenantAccessToken', $tenantAccessToken, $rst['expire']);
             } else {
                 throw new BusinessException('tenant_access_token 获取失败');
             }
@@ -209,6 +209,31 @@ class Feishu
         return $this->requestResult('authen/v1/user_info', "GET");
     }
 
+    /**
+     *  获取 jsapi_ticket
+     */
+    public function jsapiTicket()
+    {
+        $jsapiTicket = Cache::get($this->appId.'-jsapiTicket');
+        if (!$jsapiTicket) {
+            $this->options["headers"] = [
+                "Authorization" => "Bearer " . $this->tenantAccessToken(),
+                "Content-Type"  => "application/json; charset=utf-8"
+            ];
+            // 清除 json 选项，确保 GET 请求不发送 body
+            unset($this->options["json"]);
+            $rst = $this->requestResult('jssdk/ticket/get', 'GET');
+            if ($rst && isset($rst['data']['ticket'])) {
+                $jsapiTicket = $rst['data']['ticket'];
+                $expire = $rst['data']['expire_in'] ?? 7200;
+                Cache::set($this->appId.'-jsapiTicket', $jsapiTicket, $expire);
+            } else {
+                throw new BusinessException('jsapi_ticket 获取失败');
+            }
+        }
+        return $jsapiTicket;
+    }
+
     // public function user_access_token($code = "")
     // {
     //     $url = "";
diff --git a/config/route.php b/config/route.php
index 450c176..713416e 100644
--- a/config/route.php
+++ b/config/route.php
@@ -47,6 +47,9 @@ Route::group('/common', function () {
         Route::any('/register', [app\common\controller\AuthController::class, 'register']);
         Route::any('/refresh/token', [app\common\controller\AuthController::class, 'refresh']);
 
+        //JSAPI鉴权签名
+        Route::any('/feishu/signature', [app\common\controller\AuthController::class, 'signature']);
+
 
         // // 调试
         Route::any('/feishu/auth', [app\common\controller\AuthController::class, 'feishuAuth']);
@@ -58,5 +61,6 @@ Route::group('/common', function () {
         Route::any('/store', [app\common\controller\UsedCarController::class, 'store']);
         Route::any('/update', [app\common\controller\UsedCarController::class, 'update']);
         Route::any('/destroy', [app\common\controller\UsedCarController::class, 'destroy']);
+        Route::any('/crawl', [app\common\controller\UsedCarController::class, 'crawlKeyword']);
     });
 });
\ No newline at end of file