diff --git a/README.md b/README.md
index 082ce67..dd0f815 100644
--- a/README.md
+++ b/README.md
@@ -74,6 +74,10 @@ func main() {
 
 ```
 
+#### Cookie相关
+
+截至2025年06月25日，必要的cookie为`buvid3`, `SESSDATA`, `bili_jct`
+
 ### 进阶使用
 
 #### 监听自定义事件
diff --git a/client/client.go b/client/client.go
index 7243624..6b8a97f 100644
--- a/client/client.go
+++ b/client/client.go
@@ -109,6 +109,10 @@ func (c *Client) init() error {
 			c.token = info.Data.Token
 		}
 	}
+	if c.token == "" {
+		log.Error("cannot get account token")
+		return errors.New("token 获取失败")
+	}
 	return nil
 }