feat: translate Chinese comments to English across codebase

iam/src/error.rs

@@ -156,7 +156,7 @@ pub fn clone_err(e: &common::error::Error) -> common::error::Error {
             common::error::Error::new(std::io::Error::new(e.kind(), e.to_string()))
         }
     } else {
-        //TODO: 优化其他类型
+        //TODO: Optimize other types
         common::error::Error::msg(e.to_string())
     }
 }

iam/src/manager.rs

@@ -94,7 +94,7 @@ where
         self.clone().save_iam_formatter().await?;
         self.clone().load().await?;
 
-        // 后台线程开启定时更新或者接收到信号更新
+        // Background thread starts periodic updates or receives signal updates
         tokio::spawn({
             let s = Arc::clone(&self);
             async move {
@@ -142,7 +142,7 @@ where
         Ok(())
     }
 
-    // todo, 判断是否存在，是否可以重试
+    // TODO: Check if exists, whether retry is possible
     #[tracing::instrument(level = "debug", skip(self))]
     async fn save_iam_formatter(self: Arc<Self>) -> Result<()> {
         let path = get_iam_format_file_path();

iam/src/store/object.rs

@@ -135,7 +135,7 @@ impl ObjectStore {
     async fn list_iam_config_items(&self, prefix: &str, ctx_rx: B_Receiver<bool>, sender: Sender<StringOrErr>) {
         // debug!("list iam config items, prefix: {}", &prefix);
 
-        // todo, 实现walk，使用walk
+        // TODO: Implement walk, use walk
 
         // let prefix = format!("{}{}", prefix, item);