diff --git a/README.md b/README.md
index b0351b0..2f6f6d9 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ Chrome浏览器:
       .cookie
       .split(/\s*;\s*/)
       .map(it => it.split('='))
-      .filter(it => ['DedeUserID','bili_jct', 'SESSDATA'].indexOf(it[0]) > -1)
+      .filter(it => ['DedeUserID','bili_jct', 'SESSDATA', 'buvid3'].indexOf(it[0]) > -1)
       .map(it => it.join('='))
       .join('; ')
       .split()
@@ -83,7 +83,7 @@ Chrome浏览器:
 
 也可以采用**其他方式获取**所需的Cookie
 
-只需含有 `DedeUserID=...;SESSDATA=...;bili_jct=...` 三项即可
+只需含有 `DedeUserID=...;SESSDATA=...;bili_jct=...;buvid3=...` 即可
 
 (分号分割, 不要换行, 顺序随意)
 
diff --git a/lib/data/global_var.js b/lib/data/global_var.js
index c7a118d..5537446 100644
--- a/lib/data/global_var.js
+++ b/lib/data/global_var.js
@@ -29,7 +29,11 @@ let global_var = {
 
             config.updata(num);
 
-            this.set('cookie', cookie + ';buvid3=AAAAAAAA-BBBB-CCCC-DDDD-DDDDDDDDDDDDDDDDDinfoc');
+            if (!/buvid3/.test(cookie)) {
+                this.set('cookie', cookie + ';buvid3=AAAAAAAA-BBBB-CCCC-DDDD-DDDDDDDDDDDDDDDDDinfoc');
+            } else {
+                this.set('cookie', cookie);
+            }
 
             cookie.split(/\s*;\s*/).forEach(item => {
                 const _item = item.split('=');
@@ -53,4 +57,4 @@ let global_var = {
 };
 
 
-module.exports = global_var;
\ No newline at end of file
+module.exports = global_var;