diff --git a/dlg/about.aardio b/dlg/about.aardio
index 7b4457d..83f2026 100644
--- a/dlg/about.aardio
+++ b/dlg/about.aardio
@@ -11,6 +11,7 @@ static={cls="static";text="Static";left=21;top=17;right=458;bottom=340;transpare
 V0.1_20230220:	初版
 V0.2_20230221:	修复右板无法刷写，增加点亮功能，增加更改履历
 V0.3_20230221:	修复关闭界面后程序没有完全关闭的问题
+V0.4_20230222:	修复偶发刷写卡在请求下载的问题
 */
 
 winform.button.oncommand = function(id,event){
diff --git a/main.aardio b/main.aardio
index 3905991..c8f905b 100644
--- a/main.aardio
+++ b/main.aardio
@@ -27,7 +27,7 @@ static={cls="static";text="设备";left=1;top=28;right=61;bottom=52;align="cente
 static2={cls="static";text="通道";left=1;top=66;right=61;bottom=90;align="center";center=1;transparent=1;z=7};
 static3={cls="static";text="刷写进度";left=389;top=408;right=442;bottom=428;transparent=1;z=16};
 static4={cls="static";text="烧录APP";left=13;top=108;right=85;bottom=132;center=1;transparent=1;z=17};
-static5={cls="static";text="V0.3_20230321";left=545;top=1;right=689;bottom=17;align="right";center=1;notify=1;transparent=1;z=18}
+static5={cls="static";text="V0.4_20230322";left=545;top=1;right=689;bottom=17;align="right";center=1;notify=1;transparent=1;z=18}
 )
 /*}}*/
 
diff --git a/user/DiagBootcode.aardio b/user/DiagBootcode.aardio
index 4aeb45a..937bacd 100644
--- a/user/DiagBootcode.aardio
+++ b/user/DiagBootcode.aardio
@@ -342,12 +342,6 @@ FuncBootSeq = function(){
 			*/
 		}
 		case 11 {
-			nextstate(0);
-		}
-		case 12 {
-			nextstate(0);
-		}
-		case 13 {
 			if(sendstate == 0){//CheckLogicBlock
 				FuncDisplay("擦除APP");
 				FuncReq31EraseFlash(0x18000,0x20000);
@@ -356,7 +350,19 @@ FuncBootSeq = function(){
 			else {
 				var ret = FuncWait(0x31);
 				nextstate(ret);
+				delaycount = 0;
 			}
+			
+		}
+		case 12 {
+			delaycount++;
+			if(delaycount > 10){
+				nextstate(0);//延时100mS
+				delaycount = 0;
+			}
+		}
+		case 13 {
+			nextstate(0);
 		}
 		
 		case 14 {