diff --git a/vllm_ascend/distributed/kv_transfer/kv_pool/ascend_store/pool_worker.py b/vllm_ascend/distributed/kv_transfer/kv_pool/ascend_store/pool_worker.py
index f82c8fcb..c3f016b7 100644
--- a/vllm_ascend/distributed/kv_transfer/kv_pool/ascend_store/pool_worker.py
+++ b/vllm_ascend/distributed/kv_transfer/kv_pool/ascend_store/pool_worker.py
@@ -572,7 +572,7 @@ class KVPoolWorker:
             # all tokens where found, return the maximal end
         except Exception as e:
             logger.error(f"Remote connection failed in contains: {e}")
-            return start
+            return 0
         return end
 
     def lookup_scheduler(
@@ -629,7 +629,7 @@ class KVPoolWorker:
         # all tokens where found, return the maximal end
         except Exception as e:
             logger.error(f"Remote connection failed in contains: {e}")
-            return start
+            return 0
         return end
 
     def check_all_layers_exists(self, res: list[int], num_layers: int) -> list[int]: