diff --git a/Assets/YooAsset/Runtime/DownloadSystem/DownloadSystem.cs b/Assets/YooAsset/Runtime/DownloadSystem/DownloadSystem.cs
index 32da42d..2cd2295 100644
--- a/Assets/YooAsset/Runtime/DownloadSystem/DownloadSystem.cs
+++ b/Assets/YooAsset/Runtime/DownloadSystem/DownloadSystem.cs
@@ -77,11 +77,11 @@ namespace YooAsset
 			}
 			_downloaderDic.Clear();
 			_removeList.Clear();
-			
+
 			RequestDelegate = null;
 			CertificateHandlerInstance = null;
 			BreakpointResumeFileSize = int.MaxValue;
-			ClearFileResponseCodes.Clear();
+			ClearFileResponseCodes = null;
 		}