diff --git a/src/announcer/mod.rs b/src/announcer/mod.rs
index 159fd18e..f0085e37 100644
--- a/src/announcer/mod.rs
+++ b/src/announcer/mod.rs
@@ -169,7 +169,7 @@ impl SchedulerAnnouncer {
                         }
                     };
 
-                    if let Err(err) = self.scheduler_client.init_announce_host(request).await {
+                    if let Err(err) = self.scheduler_client.announce_host(request).await {
                         error!("announce host to scheduler failed: {}", err);
                     };
                 }
diff --git a/src/grpc/scheduler.rs b/src/grpc/scheduler.rs
index 56ed921c..a0c8eb58 100644
--- a/src/grpc/scheduler.rs
+++ b/src/grpc/scheduler.rs
@@ -313,7 +313,8 @@ impl SchedulerClient {
             && data
                 .available_schedulers
                 .iter()
-                .all(|available_scheduler| available_schedulers.contains(available_scheduler))
+                .zip(available_schedulers.iter())
+                .all(|(a, b)| a == b)
         {
             info!(
                 "available schedulers is not changed: {:?}",