diff --git a/config.example.toml b/config.example.toml
index d64e2a8..966b816 100644
--- a/config.example.toml
+++ b/config.example.toml
@@ -1,5 +1,6 @@
 workers = 4 # 同时下载文件数
 retry = 3   # 下载失败重试次数
+threads = 4 # 单个任务下载最大线程数
 
 [telegram]
 # Bot Token