diff --git a/main.aardio b/main.aardio
index aae1657..4b099a7 100644
--- a/main.aardio
+++ b/main.aardio
@@ -163,7 +163,7 @@ autoconnect.onTimer = function(){
 				sleep(20);
 				if(#thrdTable.设备 > 0){
 					Display(thrdTable.设备[1].name);
-					::PostThreadMessage(thrdId,101,1,0x00);//连接 0x80 -> CANFD
+					::PostThreadMessage(thrdId,101,1,0x80);//连接 0x80 -> CANFD
 				}
 			}
 			else {
diff --git a/user/CanThread.aardio b/user/CanThread.aardio
index cb9effc..7b2a505 100644
--- a/user/CanThread.aardio
+++ b/user/CanThread.aardio
@@ -80,6 +80,20 @@ FuncReadDeviceVersion = function(id){
 	}
 	
 }
+var delay_const = 100000;
+DelayTest = function(){
+	import time.performance;
+	var tk = time.performance.tick();
+	for(i=1;1000000;1)
+	{
+	}
+	var tk2 = time.performance.tick();
+	tk2 = tk2 - tk;
+	delay_const = math.ceil(1000000*(1/tk2));
+	FuncDisplay(delay_const);
+	//console.log(delay_const);
+}
+
 
 
 FuncSetCANID = function(req,resp){
@@ -253,7 +267,7 @@ FuncStartBoot = function(id){
 
 var delay = function(w){
 	while(w){
-		for(i=1;50000;1)
+		for(i=1;delay_const;1)
 		{
 		}
 		w -= 1;
@@ -267,7 +281,7 @@ var FuncSendPackage = function(){
 	while(#Packdata > 0)
 	{
 		//sleep(1);
-		delay(2);
+		delay(1);
 		var data = {PackNext,0xCC,0xCC,0xCC,0xCC,0xCC,0xCC,0xCC};
 		var max = #Packdata > 7 ? 7 : #Packdata;
 		for(i=1;max;1){
@@ -356,5 +370,5 @@ timer1.onTimer = function(){
 FuncLoadAPPFile();
 timer1.enable();
 FuncDisplay("CAN线程正在运行");
-
+DelayTest();
 
diff --git a/user/DiagBootcode.aardio b/user/DiagBootcode.aardio
index 54ebaa0..12e6b70 100644
--- a/user/DiagBootcode.aardio
+++ b/user/DiagBootcode.aardio
@@ -4,6 +4,7 @@ var bootstate = 0;
 var bootcount = 0;
 var sendstate = 0;
 var senddataid = 0;
+var repeat_times = 0;
 FuncWait = function(sid){
 	if(RespState == (sid + 0x40)){//正响应
 		//bootcount = 0;
@@ -37,6 +38,12 @@ FuncWait = function(sid){
 		boottimer.disable();
 		return 3;//超时 
 	}
+	if(sid==0x2e && repeat_times < 5 && bootcount > 100){
+		repeat_times++;
+		bootcount = 0;
+		repeat_times++;
+		sendstate = 0;
+	}
 	return 0xff;
 }	
 	
@@ -54,6 +61,7 @@ FuncInitBootState = function(id){
 	bootcount = 0;
 	sendstate = 0;
 	senddataid = id;
+	repeat_times = 0;
 }
 
 
@@ -504,7 +512,7 @@ FuncBootSeq = function(){
 			//nextstate(0);
 			
 			if(sendstate == 0){
-				FuncReq10(true,0x01);//进入默认会话
+				FuncReq10(false,0x01);//进入默认会话
 				FuncClearState();
 			}
 			else {
@@ -513,6 +521,34 @@ FuncBootSeq = function(){
 			}
 			
 		}
+		case 23 {
+			if(sendstate == 0){
+				FuncDisplay("读取版本");
+				FuncReadDID(0xF195);//读取软件版本
+				FuncClearState();
+			}
+			else {
+				delaycount++;
+				if(delaycount > 5){
+					nextstate(0);
+					delaycount = 0;
+				}
+			}
+		}
+		case 24 {
+			if(sendstate == 0){
+				FuncDisplay("读取软件日期");
+				FuncReadDID(0xF18A);//读取软件版本
+				FuncClearState();
+			}
+			else {
+				delaycount++;
+				if(delaycount > 5){
+					nextstate(0);
+					delaycount = 0;
+				}
+			}
+		}
 		else {
 			thread.command.$SendEnd(true);
 			//FuncDisplay("刷写完成,用时 " + boottime/100 + " S")