diff --git a/llumnix/backends/vllm/llm_engine.py b/llumnix/backends/vllm/llm_engine.py
index 5913ee11..16af3014 100644
--- a/llumnix/backends/vllm/llm_engine.py
+++ b/llumnix/backends/vllm/llm_engine.py
@@ -362,9 +362,9 @@ def commit_dst_request(self, backend_request: SequenceGroupLlumnix) -> None:
     async def send_blocks(self, dst_ray_actor: "ray.actor.ActorHandle", src_blocks: List[int], dst_blocks: List[int]) -> None:
         await dst_ray_actor.execute_engine_method.remote("_run_workers",
                                                          "migrate_cache",
-                                                          dst_blocks=dst_blocks,
-                                                          src_blocks=src_blocks,
-                                                          src_worker_handle_list=self.worker_handle_list)
+                                                         dst_blocks=dst_blocks,
+                                                         src_blocks=src_blocks,
+                                                         src_worker_handle_list=self.worker_handle_list)
 
     def _run_workers(self, *args, **kwargs):
         # pylint: disable=protected-access
diff --git a/llumnix/backends/vllm/sequence.py b/llumnix/backends/vllm/sequence.py
index 1b226ba1..ce5ca429 100644
--- a/llumnix/backends/vllm/sequence.py
+++ b/llumnix/backends/vllm/sequence.py
@@ -22,7 +22,6 @@ class SequenceGroupLlumnix(SequenceGroup, LlumnixRequest):
     def __init__(self, request_id, server_info, expected_steps: int, *args, **kwargs) -> None:
         SequenceGroup.__init__(self, request_id, *args, **kwargs)
         LlumnixRequest.__init__(self, request_id, server_info, expected_steps)
-        self.try_schedule_times = 0
 
     @property
     def prompt_len(self) -> int:
diff --git a/llumnix/llumlet/request.py b/llumnix/llumlet/request.py
index 085dbd71..b47f9112 100644
--- a/llumnix/llumlet/request.py
+++ b/llumnix/llumlet/request.py
@@ -36,6 +36,7 @@ def __init__(self, request_id: int, server_info: ServerInfo, expected_steps: int
         self.last_preemption_time = None
         self.stage_timestamps = []
         self.stage_num_blocks_list = []
+        self.try_schedule_times = 0
         self.waiting_migrating = False
         # end-of-migration
         self.eom = False
diff --git a/tests/e2e_test/test_e2e.py b/tests/e2e_test/test_e2e.py
index d49e5012..352710c7 100644
--- a/tests/e2e_test/test_e2e.py
+++ b/tests/e2e_test/test_e2e.py
@@ -59,7 +59,7 @@ def generate_launch_command(result_filename: str = "", launch_ray_cluster: bool
         f"--max-model-len {max_model_len} "
         f"--dispatch-policy {dispatch_policy} "
         f"--trust-remote-code "
-        f"--request-migration-policy SR "
+        f"--request-migration-policy LCR "
         f"--migration-backend {migration_backend} "
         f"--migration-cache-blocks 32 "
         f"--tensor-parallel-size 1 "