diff --git a/.gitignore b/.gitignore
index 524bee2..cb55d82 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,5 @@ timeout
 cmake_install.cmake
 serial-port/
 lib/
-Ymodem*/
\ No newline at end of file
+Ymodem*/
+build/
\ No newline at end of file
diff --git a/YmodemFileReceive.cpp b/YmodemFileReceive.cpp
index 3c439dc..2d5553d 100644
--- a/YmodemFileReceive.cpp
+++ b/YmodemFileReceive.cpp
@@ -2,7 +2,7 @@
 #include <iostream>
 #include <boost/date_time/posix_time/posix_time.hpp>
 #include <boost/thread/thread.hpp> 
-
+#include <boost/bind.hpp>
 #include <boost/algorithm/string.hpp>
 #include <boost/algorithm/string/split.hpp>
 #include "TimeoutSerial.h"
@@ -20,8 +20,6 @@ YmodemFileReceive::YmodemFileReceive() :
     setTimeMax(5);
     setErrorMax(999);
 
-    readTimer.async_wait(readTimeOut);
-    writeTimer.async_wait(writeTimeOut);
 }
 
 YmodemFileReceive::~YmodemFileReceive()
@@ -52,6 +50,7 @@ bool YmodemFileReceive::startReceive()
     progress = 0;
     status   = StatusEstablish;
 
+    io.run();
     serialPort->setTimeout(posix_time::seconds(0));
     return true;
 }
@@ -83,7 +82,7 @@ void YmodemFileReceive::readTimeOut(const boost::system::error_code& e)
     if((status == StatusEstablish) || (status == StatusTransmit))
     {
         readTimer.expires_from_now(boost::posix_time::millisec(READ_TIME_OUT));
-        readTimer.async_wait(readTimeOut);
+        readTimer.async_wait(boost::bind(&YmodemFileReceive::readTimeOut,this,_1));
     }
 }
 
@@ -139,7 +138,7 @@ Ymodem::Code YmodemFileReceive::callback(Status status, uint8_t *buff, uint32_t
                     YmodemFileReceive::status = StatusError;
 
                     writeTimer.expires_from_now(boost::posix_time::millisec(WRITE_TIME_OUT));
-                    writeTimer.async_wait(writeTimeOut);
+                    writeTimer.async_wait(boost::bind(&YmodemFileReceive::writeTimeOut,this,_1));
 
                     return CodeCan;
                 }
@@ -149,7 +148,7 @@ Ymodem::Code YmodemFileReceive::callback(Status status, uint8_t *buff, uint32_t
                 YmodemFileReceive::status = StatusError;
 
                 writeTimer.expires_from_now(boost::posix_time::millisec(WRITE_TIME_OUT));
-                writeTimer.async_wait(writeTimeOut);
+                writeTimer.async_wait(boost::bind(&YmodemFileReceive::writeTimeOut,this,_1));
 
                 return CodeCan;
             }
@@ -187,7 +186,7 @@ Ymodem::Code YmodemFileReceive::callback(Status status, uint8_t *buff, uint32_t
             YmodemFileReceive::status = StatusFinish;
 
             writeTimer.expires_from_now(boost::posix_time::millisec(WRITE_TIME_OUT));
-            writeTimer.async_wait(writeTimeOut);
+            writeTimer.async_wait(boost::bind(&YmodemFileReceive::writeTimeOut,this,_1));
 
             return CodeAck;
         }
@@ -200,7 +199,7 @@ Ymodem::Code YmodemFileReceive::callback(Status status, uint8_t *buff, uint32_t
 
 
             writeTimer.expires_from_now(boost::posix_time::millisec(WRITE_TIME_OUT));
-            writeTimer.async_wait(writeTimeOut);
+            writeTimer.async_wait(boost::bind(&YmodemFileReceive::writeTimeOut,this,_1));
 
             return CodeCan;
         }
@@ -210,7 +209,7 @@ Ymodem::Code YmodemFileReceive::callback(Status status, uint8_t *buff, uint32_t
             YmodemFileReceive::status = StatusTimeout;
 
             writeTimer.expires_from_now(boost::posix_time::millisec(WRITE_TIME_OUT));
-            writeTimer.async_wait(writeTimeOut);
+            writeTimer.async_wait(boost::bind(&YmodemFileReceive::writeTimeOut,this,_1));
 
             return CodeCan;
         }
@@ -222,7 +221,7 @@ Ymodem::Code YmodemFileReceive::callback(Status status, uint8_t *buff, uint32_t
             YmodemFileReceive::status = StatusError;
 
             writeTimer.expires_from_now(boost::posix_time::millisec(WRITE_TIME_OUT));
-            writeTimer.async_wait(writeTimeOut);
+            writeTimer.async_wait(boost::bind(&YmodemFileReceive::writeTimeOut,this,_1));
 
             return CodeCan;
         }
diff --git a/build/.cmake/api/v1/reply/index-2021-08-26T09-17-06-0267.json b/build/.cmake/api/v1/reply/index-2021-08-26T09-17-06-0267.json
deleted file mode 100644
index 99e330d..0000000
--- a/build/.cmake/api/v1/reply/index-2021-08-26T09-17-06-0267.json
+++ /dev/null
@@ -1,94 +0,0 @@
-{
-	"cmake" : 
-	{
-		"generator" : 
-		{
-			"name" : "Unix Makefiles"
-		},
-		"paths" : 
-		{
-			"cmake" : "/usr/bin/cmake",
-			"cpack" : "/usr/bin/cpack",
-			"ctest" : "/usr/bin/ctest",
-			"root" : "/usr/share/cmake-3.16"
-		},
-		"version" : 
-		{
-			"isDirty" : false,
-			"major" : 3,
-			"minor" : 16,
-			"patch" : 3,
-			"string" : "3.16.3",
-			"suffix" : ""
-		}
-	},
-	"objects" : 
-	[
-		{
-			"jsonFile" : "codemodel-v2-2f061e11e865d7291da7.json",
-			"kind" : "codemodel",
-			"version" : 
-			{
-				"major" : 2,
-				"minor" : 0
-			}
-		},
-		{
-			"jsonFile" : "cache-v2-9de8371d03fa8cbf9def.json",
-			"kind" : "cache",
-			"version" : 
-			{
-				"major" : 2,
-				"minor" : 0
-			}
-		}
-	],
-	"reply" : 
-	{
-		"client-vscode" : 
-		{
-			"query.json" : 
-			{
-				"requests" : 
-				[
-					{
-						"kind" : "cache",
-						"version" : 2
-					},
-					{
-						"kind" : "codemodel",
-						"version" : 2
-					},
-					{
-						"kind" : "toolchains",
-						"version" : 1
-					}
-				],
-				"responses" : 
-				[
-					{
-						"jsonFile" : "cache-v2-9de8371d03fa8cbf9def.json",
-						"kind" : "cache",
-						"version" : 
-						{
-							"major" : 2,
-							"minor" : 0
-						}
-					},
-					{
-						"jsonFile" : "codemodel-v2-2f061e11e865d7291da7.json",
-						"kind" : "codemodel",
-						"version" : 
-						{
-							"major" : 2,
-							"minor" : 0
-						}
-					},
-					{
-						"error" : "unknown request kind 'toolchains'"
-					}
-				]
-			}
-		}
-	}
-}