diff --git a/main.aardio b/main.aardio
index 998bbbb..e1b52e5 100644
--- a/main.aardio
+++ b/main.aardio
@@ -16,7 +16,7 @@ btnReadSw={cls="button";text="读取软件版本号";left=37;top=382;right=136;b
 btnTest={cls="button";text="停止";left=149;top=316;right=248;bottom=344;z=11};
 cbbChannel={cls="combobox";left=58;top=64;right=191;bottom=90;edge=1;items={};mode="dropdown";z=3};
 cbbDev={cls="combobox";left=58;top=27;right=191;bottom=53;edge=1;items={};mode="dropdown";z=1};
-checkbox={cls="checkbox";text="CANFD设备";left=151;top=101;right=248;bottom=120;z=21};
+checkbox={cls="checkbox";text="CANFD设备";left=151;top=101;right=248;bottom=120;checked=1;z=21};
 edFile={cls="richedit";left=8;top=131;right=288;bottom=187;border=1;disabled=1;edge=1;multiline=1;wrap=1;z=14};
 edFile2={cls="richedit";left=8;top=213;right=288;bottom=269;border=1;disabled=1;edge=1;multiline=1;wrap=1;z=22};
 edit={cls="edit";left=294;top=19;right=596;bottom=401;autovscroll=false;edge=1;multiline=1;vscroll=1;z=5};
@@ -163,12 +163,12 @@ var DiagStopReq = function(){
 }
 
 mainForm.btnReadSw.oncommand = function(id,event){
-	DiagReadDID(0xF188);
+	DiagReadDID(0xF195);
 }
 
 
 mainForm.btnReadHw.oncommand = function(id,event){
-	DiagReadDID(0xF191);
+	DiagReadDID(0xF193);
 }
 
 mainForm.btnReadF186.oncommand = function(id,event){
diff --git a/user/CanThread.aardio b/user/CanThread.aardio
index 462a029..30b018b 100644
--- a/user/CanThread.aardio
+++ b/user/CanThread.aardio
@@ -5,8 +5,8 @@ import win.timer;
 CANHw = usb2canfd.USB2CANHW();
 CANHw.LoadDll();
 
-DiagReqID = 0x741;//0x18dadff1; 
-DiagRespID = 0x751;//0x18daf1df; 
+DiagReqID = 0x7F3;//0x18dadff1; 
+DiagRespID = 0x7FB;//0x18daf1df; 
 DiagGloableID = 0x7DF;//0x18DB33F1;
 stopflag = 0;
 //注册一个消息钩子函数
diff --git a/user/Diag22code.aardio b/user/Diag22code.aardio
index aaa76ca..29b8cd8 100644
--- a/user/Diag22code.aardio
+++ b/user/Diag22code.aardio
@@ -12,6 +12,7 @@ FuncReadDID = function(did){
 	//FuncDisplay("did = " + tostring(did,16));
 }
 
+CurrentSession = 0;
 //接收
 FuncDiag22Pro = function(data){
 	//console.log("诊断22服务")
@@ -22,6 +23,7 @@ FuncDiag22Pro = function(data){
 	select(did) {
 		case 0xF186 {
 			FuncDisplay("当前会话： " + data[3]);
+			CurrentSession = data[3];
 		}
 		case 0xF191 {
 			FuncDisplay("硬件版本号");
diff --git a/user/DiagBootcode.aardio b/user/DiagBootcode.aardio
index 882a279..e2b32f8 100644
--- a/user/DiagBootcode.aardio
+++ b/user/DiagBootcode.aardio
@@ -202,26 +202,43 @@ FuncBootSeq = function(){
 			if(sendstate == 0){
 				FuncReadDID(0xF195);//读取软件版本
 				FuncClearState();
+				delaycount = 0;
 			}
 			else {
-				var ret = FuncWait(0x22);
-				nextstate(0);
+				//var ret = FuncWait(0x22);
+				//nextstate(0);
+				delaycount += 1;
+				if(delaycount > 10){
+					nextstate(0);//延时1S
+				}
 			}
 		}
 		case 2 {
 			if(sendstate == 0){
 				FuncReadDID(0xF193);//读取硬件版本
 				FuncClearState();
+				delaycount = 0;
 			}
 			else {
-				var ret = FuncWait(0x22);
-				nextstate(0);
+				//var ret = FuncWait(0x22);
+				//nextstate(0);
+				delaycount += 1;
+				if(delaycount > 10){
+					nextstate(0);//延时1S
+				}
 			}
 		}
 		case 3 {
 			if(sendstate == 0){
-				FuncReq10(true,0x03);//进入扩展会话
-				FuncClearState();
+				if(CurrentSession == 2){
+					nextstate(0);
+				}
+				else {
+					FuncReq10(true,0x03);//进入扩展会话
+					FuncClearState();
+				}
+				
+				
 			}
 			else {
 				var ret = FuncWait(0x10);
@@ -232,20 +249,27 @@ FuncBootSeq = function(){
 			if(sendstate == 0){
 				FuncReq85(0x02);//关闭DTC
 				FuncClearState();
+				delaycount = 0;
 			}
 			else {
-				var ret = FuncWait(0x85);
-				nextstate(ret);
+				delaycount += 1;
+				if(delaycount > 10){
+					nextstate(0);//延时1S
+				}
 			}
 		}
 		case 5 {
 			if(sendstate == 0){
 				FuncReq28(0x01,0x01);//禁止发送
 				FuncClearState();
+				delaycount = 0;
+				
 			}
 			else {
-				var ret = FuncWait(0x28);
-				nextstate(ret);
+				delaycount += 1;
+				if(delaycount > 10){
+					nextstate(0);//延时1S
+				}
 			}
 		}
 		case 6 {