diff --git a/src/bilibili/client.rs b/src/bilibili/client.rs
index 954ad45..cb80152 100644
--- a/src/bilibili/client.rs
+++ b/src/bilibili/client.rs
@@ -7,6 +7,7 @@ use crate::bilibili::Credential;
 use crate::config::CONFIG;
 
 // 一个对 reqwest::Client 的简单封装，用于 Bilibili 请求
+#[derive(Clone)]
 pub struct Client(reqwest::Client);
 
 impl Client {
@@ -56,7 +57,7 @@ impl Default for Client {
 }
 
 pub struct BiliClient {
-    client: Client,
+    pub client: Client,
 }
 
 impl BiliClient {
diff --git a/src/core/command.rs b/src/core/command.rs
index c39e946..a7de541 100644
--- a/src/core/command.rs
+++ b/src/core/command.rs
@@ -153,7 +153,7 @@ pub async fn download_unprocessed_videos(
     let unhandled_videos_pages = unhandled_videos_pages(&favorite_model, connection).await?;
     // 对于视频，允许五个同时下载（视频内还有分页、不同分页还有多种下载任务）
     let semaphore = Semaphore::new(5);
-    let downloader = Downloader::default();
+    let downloader = Downloader::new(bili_client.client.clone());
     let mut uppers_mutex: HashMap<i64, (Mutex<()>, Mutex<()>)> = HashMap::new();
     for (video_model, _) in &unhandled_videos_pages {
         uppers_mutex.insert(video_model.upper_id, (Mutex::new(()), Mutex::new(())));
diff --git a/src/downloader.rs b/src/downloader.rs
index 6622be2..5632265 100644
--- a/src/downloader.rs
+++ b/src/downloader.rs
@@ -55,9 +55,3 @@ impl Downloader {
         Ok(())
     }
 }
-
-impl Default for Downloader {
-    fn default() -> Self {
-        Self::new(Client::new())
-    }
-}