diff --git a/user/DiagBootcode.aardio b/user/DiagBootcode.aardio
index 12e6b70..df80e89 100644
--- a/user/DiagBootcode.aardio
+++ b/user/DiagBootcode.aardio
@@ -526,6 +526,7 @@ FuncBootSeq = function(){
 				FuncDisplay("读取版本");
 				FuncReadDID(0xF195);//读取软件版本
 				FuncClearState();
+				delaycount = 0;
 			}
 			else {
 				delaycount++;