diff --git a/sync/src/tasks/block_sync_task.rs b/sync/src/tasks/block_sync_task.rs
index fc6e3146d2..33fbd32f6d 100644
--- a/sync/src/tasks/block_sync_task.rs
+++ b/sync/src/tasks/block_sync_task.rs
@@ -472,7 +472,7 @@ where
             self.find_absent_ancestor(vec![block_header.clone()])
                 .await?;
 
-            if block_header.number() % 10000 == 0
+            if block_header.number() % 1000 == 0
                 || block_header.number() >= self.target.target_id.number()
             {
                 if self.sync_dag_store.get_dag_sync_block(block_header.number(), block_header.id()).is_err() {
diff --git a/sync/src/tasks/mod.rs b/sync/src/tasks/mod.rs
index a15bd68c79..48abe6d18d 100644
--- a/sync/src/tasks/mod.rs
+++ b/sync/src/tasks/mod.rs
@@ -118,7 +118,7 @@ pub trait SyncFetcher: PeerOperator + BlockIdFetcher + BlockFetcher + BlockInfoF
                     match target.as_ref() {
                         None => {
                             let maybe_target_number = std::cmp::min(
-                                begin_number.saturating_add(10000),
+                                begin_number.saturating_add(1000),
                                 better_peer.block_number(),
                             );
                             if maybe_target_number == better_peer.block_number()