diff --git a/crates/event-notifier/examples/webhook.rs b/crates/event-notifier/examples/webhook.rs
index c754f8223..4cdf02c66 100644
--- a/crates/event-notifier/examples/webhook.rs
+++ b/crates/event-notifier/examples/webhook.rs
@@ -37,7 +37,7 @@ async fn receive_webhook(Json(payload): Json<Value>) -> StatusCode {
     println!("current time:{:04}-{:02}-{:02} {:02}:{:02}:{:02}", year, month, day, hour, minute, second);
     println!(
         "received a webhook request time:{} content:\n {}",
-        seconds.to_string(),
+        seconds,
         serde_json::to_string_pretty(&payload).unwrap()
     );
     StatusCode::OK
@@ -66,10 +66,10 @@ fn convert_seconds_to_date(seconds: u64) -> (u32, u32, u32, u32, u32, u32) {
 
     // calculate month
     let days_in_month = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
-    for m in 0..12 {
-        if total_seconds >= days_in_month[m] * seconds_per_day {
+    for m in &days_in_month {
+        if total_seconds >= m * seconds_per_day {
             month += 1;
-            total_seconds -= days_in_month[m] * seconds_per_day;
+            total_seconds -= m * seconds_per_day;
         } else {
             break;
         }
diff --git a/crates/event-notifier/src/global.rs b/crates/event-notifier/src/global.rs
index 25fadeeb4..19693532d 100644
--- a/crates/event-notifier/src/global.rs
+++ b/crates/event-notifier/src/global.rs
@@ -189,7 +189,7 @@ mod tests {
         let config = NotifierConfig::default();
         let _ = initialize(config.clone()).await; // first initialization
         let result = initialize(config).await; // second initialization
-        assert!(!result.is_ok(), "Initialization should succeed");
+        assert!(result.is_err(), "Initialization should succeed");
         assert!(result.is_err(), "Re-initialization should fail");
     }
 
@@ -211,7 +211,7 @@ mod tests {
             ..Default::default()
         };
         let result = initialize(config).await;
-        assert!(!result.is_err(), "Initialization with invalid config should fail");
+        assert!(result.is_ok(), "Initialization with invalid config should fail");
         assert!(is_initialized(), "System should not be marked as initialized after failure");
         assert!(is_ready(), "System should not be marked as ready after failure");
     }
diff --git a/crates/obs/src/telemetry.rs b/crates/obs/src/telemetry.rs
index 95bedfc4a..c73d35c0d 100644
--- a/crates/obs/src/telemetry.rs
+++ b/crates/obs/src/telemetry.rs
@@ -218,7 +218,7 @@ pub fn init_telemetry(config: &OtelConfig) -> OtelGuard {
         let tracer = tracer_provider.tracer(Cow::Borrowed(service_name).to_string());
 
         // Configure registry to avoid repeated calls to filter methods
-        let _registry = tracing_subscriber::registry()
+        tracing_subscriber::registry()
             .with(filter)
             .with(ErrorLayer::default())
             .with(if config.local_logging_enabled.unwrap_or(false) {
diff --git a/ecstore/src/erasure.rs b/ecstore/src/erasure.rs
index 56f5959c5..247cadae3 100644
--- a/ecstore/src/erasure.rs
+++ b/ecstore/src/erasure.rs
@@ -53,7 +53,7 @@ impl Erasure {
         }
     }
 
-    #[tracing::instrument(level = "debug", skip(self, reader, writers))]
+    #[tracing::instrument(level = "info", skip(self, reader, writers))]
     pub async fn encode<S>(
         self: Arc<Self>,
         mut reader: S,
@@ -65,23 +65,16 @@ impl Erasure {
     where
         S: AsyncRead + Etag + Unpin + Send + 'static,
     {
-        // pin_mut!(body);
-        // let mut reader = tokio_util::io::StreamReader::new(
-        //     body.map(|f| f.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e.to_string()))),
-        // );
-
-        let (tx, mut rx) = mpsc::channel(3);
-        let self_clone = self.clone();
+        let (tx, mut rx) = mpsc::channel(5);
         let task = tokio::spawn(async move {
-            let mut total: usize = 0;
             let mut buf = Vec::new();
+            let mut total: usize = 0;
             loop {
-                let mut blocks = <SmallVec<[Bytes; 16]>>::new();
                 if total_size > 0 {
                     let new_len = {
                         let remain = total_size - total;
-                        if remain > self_clone.block_size {
-                            self_clone.block_size
+                        if remain > self.block_size {
+                            self.block_size
                         } else {
                             remain
                         }
@@ -104,11 +97,10 @@ impl Erasure {
                     };
                     total += buf.len();
                 }
-                self_clone.clone().encode_data(&buf, &mut blocks)?;
+                let blocks = Arc::new(Box::pin(self.clone().encode_data(&buf)?));
                 let _ = tx.send(blocks).await;
             }
-            // let etag = reader.etag().await;
-            let etag = String::new();
+            let etag = reader.etag().await;
             Ok((total, etag))
         });
 
@@ -368,7 +360,7 @@ impl Erasure {
     }
 
     #[tracing::instrument(level = "info", skip_all, fields(data_len=data.len()))]
-    pub fn encode_data(self: Arc<Self>, data: &[u8], shards: &mut SmallVec<[Bytes; 16]>) -> Result<()> {
+    pub fn encode_data(self: Arc<Self>, data: &[u8]) -> Result<Vec<Bytes>> {
         let (shard_size, total_size) = self.need_size(data.len());
 
         // 生成一个新的 所需的所有分片数据长度
@@ -390,14 +382,13 @@ impl Erasure {
 
         // 零拷贝分片，所有 shard 引用 data_buffer
         let mut data_buffer = data_buffer.freeze();
-        shards.clear();
-        shards.reserve(self.total_shard_count());
+        let mut shards = Vec::with_capacity(self.total_shard_count());
         for _ in 0..self.total_shard_count() {
             let shard = data_buffer.split_to(shard_size);
             shards.push(shard);
         }
 
-        Ok(())
+        Ok(shards)
     }
 
     pub fn decode_data(&self, shards: &mut [Option<Vec<u8>>]) -> Result<()> {