diff --git a/fastdeploy/cache_manager/cache_messager.py b/fastdeploy/cache_manager/cache_messager.py
index a9a46d4c4..65d412f39 100644
--- a/fastdeploy/cache_manager/cache_messager.py
+++ b/fastdeploy/cache_manager/cache_messager.py
@@ -163,7 +163,7 @@ class CacheMessager:
         try:
             prefilled_step_idx_data = np.zeros(shape=[1], dtype=np.int32)
             prefilled_layer_idx_data = np.zeros(shape=[1], dtype=np.int32)
-            prefilled_layer_name = f"splitwise_complete_prefilled_step_{self.dp_rank_id}.{self.gpu_id}"
+            prefilled_layer_name = f"splitwise_complete_prefilled_layer_{self.dp_rank_id}.{self.gpu_id}"
             prefilled_step_name = f"splitwise_complete_prefilled_step_{self.dp_rank_id}.{self.gpu_id}"
             step_shm_value = IPCSignal(
                 name=f"splitwise_complete_prefilled_step_{self.dp_rank_id}",