diff --git a/app/controller/Crawler.php b/app/controller/Crawler.php
index a440170..8fa2a12 100644
--- a/app/controller/Crawler.php
+++ b/app/controller/Crawler.php
@@ -56,9 +56,12 @@ class Crawler extends BaseController
 
             $cookieString = $this->buildCookieString($cookies);
             
-            // 构建URL获取HTML
+            // 构建URL获取HTML - 使用GET请求
             $url = "http://gzrsks.oumakspt.com:62/tyzpwb/stuchooseexam/selectPosition.htm?examstupid=1015&userid={$userid}&bmid={$bmid}&examid={$examid}&aa=" . time() . '000';
             
+            // 构建Referer URL（模拟从createbmpdf.htm页面跳转过来）
+            $refererUrl = "http://gzrsks.oumakspt.com:62/tyzpwb/stubm/createbmpdf.htm?userid={$userid}&bmid={$bmid}&examid={$examid}&jsessionid=&mydepid=&dqssds=";
+            
             $ch = curl_init();
             curl_setopt($ch, CURLOPT_URL, $url);
             curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
@@ -67,15 +70,15 @@ class Crawler extends BaseController
             curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
             curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
             curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+            curl_setopt($ch, CURLOPT_ENCODING, ''); // 自动处理gzip编码
             curl_setopt($ch, CURLOPT_HTTPHEADER, [
-                'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7',
-                'Accept-Language: zh-CN,zh;q=0.9,en;q=0.8',
+                'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
+                'Accept-Language: zh-CN,zh;q=0.9,zh-TW;q=0.8,zh-HK;q=0.7,en-US;q=0.6,en;q=0.5',
                 'Accept-Encoding: gzip, deflate',
-                'Cache-Control: no-cache',
                 'Connection: keep-alive',
                 'Cookie: ' . $cookieString,
-                'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36',
-                'Referer: http://gzrsks.oumakspt.com:62/tyzpwb/',
+                'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:147.0) Gecko/20100101 Firefox/147.0',
+                'Referer: ' . $refererUrl,
                 'Upgrade-Insecure-Requests: 1',
             ]);