diff --git a/crates/bili_sync/src/bilibili/credential.rs b/crates/bili_sync/src/bilibili/credential.rs
index 29235e2..6a139a8 100644
--- a/crates/bili_sync/src/bilibili/credential.rs
+++ b/crates/bili_sync/src/bilibili/credential.rs
@@ -75,9 +75,17 @@ impl Credential {
 
     pub async fn refresh(&self, client: &Client) -> Result<Self> {
         let correspond_path = Self::get_correspond_path();
-        let csrf = self.get_refresh_csrf(client, correspond_path).await?;
-        let new_credential = self.get_new_credential(client, &csrf).await?;
-        self.confirm_refresh(client, &new_credential).await?;
+        let csrf = self
+            .get_refresh_csrf(client, correspond_path)
+            .await
+            .context("获取 refresh_csrf 失败")?;
+        let new_credential = self
+            .get_new_credential(client, &csrf)
+            .await
+            .context("刷新 Credential 失败")?;
+        self.confirm_refresh(client, &new_credential)
+            .await
+            .context("确认更新 Credential 失败")?;
         Ok(new_credential)
     }
 
diff --git a/crates/bili_sync/src/task/video_downloader.rs b/crates/bili_sync/src/task/video_downloader.rs
index de71a7e..d7c5e90 100644
--- a/crates/bili_sync/src/task/video_downloader.rs
+++ b/crates/bili_sync/src/task/video_downloader.rs
@@ -309,15 +309,21 @@ async fn check_and_refresh_credential(
     bili_client: &BiliClient,
     config: &Config,
 ) -> Result<()> {
-    if let Some(new_credential) = bili_client
+    match bili_client
         .check_refresh(&config.credential)
         .await
         .context("检查刷新 Credential 失败")?
     {
-        VersionedConfig::get()
-            .update_credential(new_credential, connection)
-            .await
-            .context("更新 Credential 失败")?;
+        None => {
+            info!("Credential 无需刷新");
+        }
+        Some(new_credential) => {
+            VersionedConfig::get()
+                .update_credential(new_credential, connection)
+                .await
+                .context("新 Credential 持久化失败")?;
+            info!("Credential 已刷新并保存");
+        }
     }
     Ok(())
 }