diff --git a/app/controller/Crawler.php b/app/controller/Crawler.php
index 6b7187a..faeba02 100644
--- a/app/controller/Crawler.php
+++ b/app/controller/Crawler.php
@@ -132,7 +132,7 @@ class Crawler extends BaseController
             return trim($cookies);
         }
 
-        // 只保留用户填写的Cookie，若同名键多值则取最后一个（单JSESSIONID场景）
+        // 只保留用户填写的Cookie，支持同名键多值（如双JSESSIONID）
         $cookieData = $cookies['请求 Cookie'] ?? $cookies;
         $normalized = [];
 
@@ -141,25 +141,28 @@ class Crawler extends BaseController
             if ($k === '') {
                 continue;
             }
-            $v = is_array($value) ? end($value) : $value;
-            $v = trim((string)$v);
-            if ($v === '') {
-                continue;
+            $vals = is_array($value) ? $value : [$value];
+            foreach ($vals as $v) {
+                $v = trim((string)$v);
+                if ($v === '') {
+                    continue;
+                }
+                $normalized[$k][] = $v;
             }
-            // 后面的值覆盖前面的值，确保单值
-            $normalized[$k] = $v;
         }
 
-        // 将 JSESSIONID 放在最前（如果存在），其余按键名顺序
+        // 将 JSESSIONID 放在最前（如果存在），其余按键名顺序，多值全部保留
         $parts = [];
         if (isset($normalized['JSESSIONID'])) {
-            // 按用户需求：输出两个相同的 JSESSIONID
-            $parts[] = 'JSESSIONID=' . $normalized['JSESSIONID'];
-            $parts[] = 'JSESSIONID=' . $normalized['JSESSIONID'];
+            foreach ($normalized['JSESSIONID'] as $v) {
+                $parts[] = 'JSESSIONID=' . $v;
+            }
             unset($normalized['JSESSIONID']);
         }
-        foreach ($normalized as $k => $v) {
-            $parts[] = $k . '=' . $v;
+        foreach ($normalized as $k => $vArr) {
+            foreach ($vArr as $v) {
+                $parts[] = $k . '=' . $v;
+            }
         }
 
         return implode('; ', $parts);
diff --git a/app/service/CrawlerService.php b/app/service/CrawlerService.php
index 4f9325f..88f1eff 100644
--- a/app/service/CrawlerService.php
+++ b/app/service/CrawlerService.php
@@ -199,7 +199,7 @@ class CrawlerService
             return trim($cookies);
         }
 
-        // 只保留用户填写的Cookie，若同名键多值则取最后一个（单JSESSIONID场景）
+        // 只保留用户填写的Cookie，支持同名键多值（如双JSESSIONID）
         $cookieData = $cookies['请求 Cookie'] ?? $cookies;
         $normalized = [];
 
@@ -208,24 +208,28 @@ class CrawlerService
             if ($k === '') {
                 continue;
             }
-            $v = is_array($value) ? end($value) : $value;
-            $v = trim((string)$v);
-            if ($v === '') {
-                continue;
+            $vals = is_array($value) ? $value : [$value];
+            foreach ($vals as $v) {
+                $v = trim((string)$v);
+                if ($v === '') {
+                    continue;
+                }
+                $normalized[$k][] = $v;
             }
-            $normalized[$k] = $v;
         }
 
-        // 将 JSESSIONID 放在最前（如果存在），其余按键名顺序
+        // 将 JSESSIONID 放在最前（如果存在），其余按键名顺序，多值全部保留
         $parts = [];
         if (isset($normalized['JSESSIONID'])) {
-            // 按需求：输出两个相同的 JSESSIONID
-            $parts[] = 'JSESSIONID=' . $normalized['JSESSIONID'];
-            $parts[] = 'JSESSIONID=' . $normalized['JSESSIONID'];
+            foreach ($normalized['JSESSIONID'] as $v) {
+                $parts[] = 'JSESSIONID=' . $v;
+            }
             unset($normalized['JSESSIONID']);
         }
-        foreach ($normalized as $k => $v) {
-            $parts[] = $k . '=' . $v;
+        foreach ($normalized as $k => $vArr) {
+            foreach ($vArr as $v) {
+                $parts[] = $k . '=' . $v;
+            }
         }
 
         return implode('; ', $parts);
diff --git a/view/crawler/index.html b/view/crawler/index.html
index e7684c6..2529f96 100644
--- a/view/crawler/index.html
+++ b/view/crawler/index.html
@@ -246,7 +246,13 @@
             <div class="form-group">
                 <label for="cookie-jsessionid">JSESSIONID：</label>
                 <input type="text" id="cookie-jsessionid" placeholder="示例：9E592C9CC752F8552F0D746D91958475">
-                <small>从浏览器开发者工具中复制JSESSIONID的值</small>
+                <small>从浏览器开发者工具中复制JSESSIONID的值（必要）</small>
+            </div>
+
+            <div class="form-group">
+                <label for="cookie-jsessionid2">JSESSIONID(可选，第二个)：</label>
+                <input type="text" id="cookie-jsessionid2" placeholder="如抓包中存在第二个JSESSIONID可填写">
+                <small>若抓包中请求头里有第二个JSESSIONID，请一起填写</small>
             </div>
 
             <div class="form-group">
@@ -445,6 +451,7 @@
         // 组装Cookie数据
         function buildCookiesPayload(messageContainerId) {
             const jsessionid = document.getElementById('cookie-jsessionid').value.trim();
+            const jsessionid2 = document.getElementById('cookie-jsessionid2').value.trim();
             const serverid = document.getElementById('cookie-serverid').value.trim();
 
             if (!jsessionid || !serverid) {
@@ -452,12 +459,11 @@
                 return null;
             }
 
-            return {
-                "请求 Cookie": {
-                    "JSESSIONID": jsessionid,
-                    "SERVERID": serverid
-                }
-            };
+            const cookies = { "请求 Cookie": {} };
+            // 支持双 JSESSIONID
+            cookies["请求 Cookie"]["JSESSIONID"] = jsessionid2 ? [jsessionid, jsessionid2] : jsessionid;
+            cookies["请求 Cookie"]["SERVERID"] = serverid;
+            return cookies;
         }
         
         // 全选/取消全选