fix: replace interval with sleep for status updates

Author: wangeguo

src/handler/course.rs

@@ -267,9 +267,8 @@ pub async fn stream_user_course_status(
 
     // Spawn a background task to fetch and send status updates.
     tokio::spawn(async move {
-        let mut interval = tokio::time::interval(std::time::Duration::from_secs(60));
         loop {
-            interval.tick().await;
+            tokio::time::sleep(std::time::Duration::from_secs(60)).await;
             let status = CourseService::get_user_course(ctx.clone(), &claims.id, &slug).await;
             if let Ok(status) = status {
                 let event = Event::default().json_data(status).unwrap_or_else(|e| {

src/handler/stage.rs

@@ -231,9 +231,8 @@ pub async fn stream_user_stage_status(
 
     // Spawn a background task to fetch and send status updates.
     tokio::spawn(async move {
-        let mut interval = tokio::time::interval(std::time::Duration::from_secs(2 * 60));
         loop {
-            interval.tick().await;
+            tokio::time::sleep(std::time::Duration::from_secs(60)).await;
             let status =
                 StageService::get_user_stage_status(&ctx, &claims.id, &slug, &stage_slug).await;
             if let Ok(status) = status {