diff --git a/constants/constant.js b/constants/constant.js
index 42f1ce2..e55cd33 100644
--- a/constants/constant.js
+++ b/constants/constant.js
@@ -118,11 +118,12 @@ export const SUMMARY_CONTENT_ESTIMATOR_PATTERNS = [
     { reg: /(?:https?:\/\/)?(www\.)chinadaily.com.cn\/a\/[a-zA-Z0-9\d._?%&+\-=\/#]*/, name: 'ChinaDaily' }
 ];
 
+const BILI_CDN_TEMPLATE = "upos-sz-mirror{}.bilivideo.com";
 export const BILI_CDN_SELECT_LIST = Object.freeze([
     { label: '不使用', value: 0, sign: '' },
-    { label: '腾讯CDN【推荐】', value: 1, sign: 'upos-sz-mirrorcos.bilivideo.com' },
-    { label: '百度CDN', value: 2, sign: 'upos-sz-mirrorbd.bilivideo.com' },
-    { label: '华为CDN', value: 3, sign: 'upos-sz-mirrorhw.bilivideo.com' },
-    { label: '阿卡迈（海外）', value: 4 , sign: 'upos-sz-mirrorakamai.bilivideo.com'},
-    { label: 'HK-CDN', value: 5, sign: 'upos-sz-mirroraliov.bilivideo.com' }
+    { label: '腾讯CDN【推荐】', value: 1, sign: BILI_CDN_TEMPLATE.replace('{}', 'cos') },
+    { label: '百度CDN', value: 2, sign: BILI_CDN_TEMPLATE.replace('{}', 'bd') },
+    { label: '华为CDN', value: 3, sign: BILI_CDN_TEMPLATE.replace('{}', 'hw') },
+    { label: '阿卡迈（海外）', value: 4 , sign: BILI_CDN_TEMPLATE.replace('{}', 'akamai')},
+    { label: 'HK-CDN', value: 5, sign: BILI_CDN_TEMPLATE.replace('{}', 'aliov') }
 ]);
\ No newline at end of file
diff --git a/utils/bbdown-util.js b/utils/bbdown-util.js
index f79bc2e..a66f2f5 100644
--- a/utils/bbdown-util.js
+++ b/utils/bbdown-util.js
@@ -45,7 +45,7 @@ export function startBBDown(videoUrl, downloadDir, BBDownOptions) {
         urlObj.search = newParams.toString();
         videoUrl = urlObj.toString();
         // 说明：-F 自定义名称，-c 自定义Cookie， --work-dir 设置下载目录，-M 多p下载的时候命名
-        const command = `BBDown ${videoUrl} --work-dir ${downloadDir} ${biliSessData ? '-c SESSDATA=' + biliSessData : ''} ${pageParam ? '-p ' + pageParam + ' -M \"temp\"' : '-p 1' + ' -M \"temp\"'} -F temp --skip-subtitle --skip-cover ${biliUseAria2 ? '--use-aria2c' : ''} ${biliCDN ? '--upos-host ' + biliCDN : ''}`;
+        const command = `BBDown ${videoUrl} --work-dir ${downloadDir} ${biliSessData ? '-c SESSDATA=\"' + biliSessData + '\"' : ''} ${pageParam ? '-p ' + pageParam + ' -M \"temp\"' : '-p 1' + ' -M \"temp\"'} -F temp --skip-subtitle --skip-cover ${biliUseAria2 ? '--use-aria2c' : ''} ${biliCDN ? '--upos-host ' + biliCDN : ''}`;
         logger.info(command);
         // logger.info(command);
         // 直接调用BBDown，因为它已经在系统路径中