diff --git a/crates/bili_sync/src/bilibili/credential.rs b/crates/bili_sync/src/bilibili/credential.rs
index 00e0c1f..48d1c4f 100644
--- a/crates/bili_sync/src/bilibili/credential.rs
+++ b/crates/bili_sync/src/bilibili/credential.rs
@@ -55,6 +55,7 @@ impl Credential {
             .request(Method::GET, "https://api.bilibili.com/x/web-interface/nav", Some(self))
             .send()
             .await?
+            .error_for_status()?
             .json::<serde_json::Value>()
             .await?
             .validate()?;
diff --git a/crates/bili_sync/src/bilibili/video.rs b/crates/bili_sync/src/bilibili/video.rs
index ca5bfe0..d4cb191 100644
--- a/crates/bili_sync/src/bilibili/video.rs
+++ b/crates/bili_sync/src/bilibili/video.rs
@@ -177,6 +177,7 @@ impl<'a> Video<'a> {
             ))
             .send()
             .await?
+            .error_for_status()?
             .json::<serde_json::Value>()
             .await?
             .validate()?;
@@ -198,6 +199,7 @@ impl<'a> Video<'a> {
             .request(Method::GET, format!("https:{}", &info.subtitle_url).as_str(), None)
             .send()
             .await?
+            .error_for_status()?
             .json::<serde_json::Value>()
             .await?;
         let body: SubTitleBody = serde_json::from_value(res["body"].take())?;
diff --git a/crates/bili_sync/src/downloader.rs b/crates/bili_sync/src/downloader.rs
index e3bb747..cb55c1a 100644
--- a/crates/bili_sync/src/downloader.rs
+++ b/crates/bili_sync/src/downloader.rs
@@ -26,7 +26,12 @@ impl Downloader {
             fs::create_dir_all(parent).await?;
         }
         let mut file = File::create(path).await?;
-        let resp = self.client.request(Method::GET, url, None).send().await?;
+        let resp = self
+            .client
+            .request(Method::GET, url, None)
+            .send()
+            .await?
+            .error_for_status()?;
         let expected = resp.content_length().unwrap_or_default();
         let mut stream_reader = StreamReader::new(resp.bytes_stream().map_err(std::io::Error::other));
         let received = tokio::io::copy(&mut stream_reader, &mut file).await?;
diff --git a/crates/bili_sync/src/utils/status.rs b/crates/bili_sync/src/utils/status.rs
index 0e82613..44e15d2 100644
--- a/crates/bili_sync/src/utils/status.rs
+++ b/crates/bili_sync/src/utils/status.rs
@@ -114,13 +114,11 @@ impl<const N: usize> Status<N> {
         if let ExecutionStatus::FixedFailed(status, _) = result {
             assert!(*status < 0b1000, "status should be less than 0b1000");
             self.set_status(offset, *status);
-        } else {
-            if self.get_status(offset) < STATUS_MAX_RETRY {
-                match result {
-                    ExecutionStatus::Succeeded | ExecutionStatus::Skipped => self.set_ok(offset),
-                    ExecutionStatus::Failed(_) => self.plus_one(offset),
-                    _ => {}
-                }
+        } else if self.get_status(offset) < STATUS_MAX_RETRY {
+            match result {
+                ExecutionStatus::Succeeded | ExecutionStatus::Skipped => self.set_ok(offset),
+                ExecutionStatus::Failed(_) => self.plus_one(offset),
+                _ => {}
             }
         }
     }