diff --git a/GateWay-KeepAlive.ps1 b/GateWay-KeepAlive.ps1
index d29df9b..f547839 100644
--- a/GateWay-KeepAlive.ps1
+++ b/GateWay-KeepAlive.ps1
@@ -1,5 +1,17 @@
-. $(-Join($(pwd).Path, '\config.ps1'))
-. $(-Join($(pwd).Path, '\proxy-test.ps1'))
+# $Global:TestDomain = "www.google.com"               #测试代理是否可用
+# $Global:TestIP = "223.5.5.5"                        #测试是否连接网络
+# $Global:originalDns = "223.5.5.5"                   #默认DNS
+# $Global:originalGateway = "192.168.6.1"             #默认网关
+# $Global:CustomGateway = "192.168.6.2"               #代理网关
+# $Global:CustomIP = "192.168.6.4"                    #默认ip
+# $Global:TargetNetworkAdapter = {}                   #网络适配器实例
+# $Global:TargetNetworkAdapterKeyword = "Ethernet"    #网络适配器名字通配符
+# $Global:isCustomGateway = $false                    #是否为自定义网关
+
+. $(-Join($(Get-Location).Path, '\config.ps1'))
+. $(-Join($(Get-Location).Path, '\proxy-test.ps1'))
+. $(-Join($(Get-Location).Path, '\logger.ps1'))
+
 
 function isDhcpEnable(){
     return Get-NetIPConfiguration | select-object InterfaceAlias, IPv4Address, @{n="dhcp";e={$_.NetIPv4Interface.DHCP}} | Select-Object -ExpandProperty dhcp
@@ -10,10 +22,10 @@ function isForeignConnected {
     $result = Test-NetConnection -ComputerName $Global:TestDomain -Port 443
 
     if ($result.TcpTestSucceeded) {
-        Write-Host "Successfully connected to $($Global:TestDomain) via HTTPS. isCustomGateway:$($Global:isCustomGateway)"
+        Write-Log -Message "Successfully connected to $($Global:TestDomain) via HTTPS. isCustomGateway:$($Global:isCustomGateway)"
         return $true
     } else {
-        Write-Host "Failed to connect to $($Global:TestDomain) via HTTPS. isCustomGateway:$($Global:isCustomGateway)"
+        Write-Log -Message "Failed to connect to $($Global:TestDomain) via HTTPS. isCustomGateway:$($Global:isCustomGateway)"
         return $false
     }  
 }
@@ -22,10 +34,10 @@ function isNetworkConnected {
     # check network availability
     $result = $(Test-Connection -ComputerName $Global:TestIP -Count 1).Status -eq 'Success'
     if ($result) {
-        Write-Host "Successfully connected to $($Global:TestIP) via ICMP. isCustomGateway:$($Global:isCustomGateway)"
+        Write-Log -Message "Successfully connected to $($Global:TestIP) via ICMP. isCustomGateway:$($Global:isCustomGateway)"
         return $true
     } else {
-        Write-Host "Failed to connect to $($Global:TestIP) via ICMP. isCustomGateway:$($Global:isCustomGateway)"
+        Write-Log -Message "Failed to connect to $($Global:TestIP) via ICMP. isCustomGateway:$($Global:isCustomGateway)"
         return $false
     }  
 }
@@ -33,10 +45,10 @@ function isNetworkConnected {
 function setDhcp($enable){
     if($enable){
         Set-NetIPInterface -InterfaceAlias $Global:TargetNetworkAdapter.name -Dhcp Enabled
-        Write-Host enable dhcp
+        Write-Log -Message "enable dhcp"
     } else {
         Set-NetIPInterface -InterfaceAlias $Global:TargetNetworkAdapter.name -Dhcp Disabled
-        Write-Host disable dhcp
+        Write-Log -Message "disable dhcp"
     }
 }
 
@@ -44,20 +56,20 @@ function changeGateway{
     param(
         $adapter,$isCustomGateway
     )
-    Write-Host "Changing gateway for adapter: $($adapter.Name) isCustomGateway $($isCustomGateway)"
+    Write-Log -Message "Changing gateway for adapter: $($adapter.Name) isCustomGateway $($isCustomGateway)"
     
   
     # check gateway availability
     if($isCustomGateway){
         $currentGateway = $(Get-NetIPConfiguration).IPv4DefaultGateway.NextHop
-        if($currentGateway -eq $Global:TargetGateway){
-            Write-Host "current gateway is $currentGateway same as targetGateway $Global:TargetGateway, change gateway canceled"
+        if($currentGateway -eq $Global:CustomGateway){
+            Write-Log -Message "current gateway is $currentGateway same as targetGateway $Global:TargetGateway, change gateway canceled"
             $Global:isCustomGateway = $true
             return
         }
-        $result = $(Test-Connection $Global:TargetGateway -Count 1).Status
+        $result = $(Test-Connection $Global:CustomGateway -Count 1).Status
         if (! ($result -eq 'Success')){
-            Write-Host custom gateway $Global:TargetGateway is $result, refuse to change
+            Write-Log -Message "custom gateway $Global:CustomGateway is $result, refuse to change"
             return
         }
     }
@@ -67,14 +79,14 @@ function changeGateway{
 
     # if have ip configuration, delete it
     if ($existingIP) {
-        Write-Host "Removing existing IP address: $($existingIP.IPAddress)"
+        Write-Log -Message "Removing existing IP address: $($existingIP.IPAddress)"
         Remove-NetIPAddress -InterfaceAlias $adapter.Name -Confirm:$false
     }
 
     # delete current route(gateway)
     $existingRoute = Get-NetRoute -InterfaceAlias $adapter.Name -DestinationPrefix "0.0.0.0/0"
     if ($existingRoute) {
-        Write-Host "Removing existing default route..."
+        Write-Log -Message "Removing existing default route..."
         Remove-NetRoute -InterfaceAlias $adapter.Name  -Confirm:$false
     }
 
@@ -84,20 +96,21 @@ function changeGateway{
         $Global:isCustomGateway = $true
 
         # setting dns server
-        Set-DnsClientServerAddress -InterfaceAlias $adapter.name -ServerAddresses ($Global:TargetGateway, $Global:TargetGateway)
+        Set-DnsClientServerAddress -InterfaceAlias $adapter.name -ServerAddresses ($Global:CustomGateway, $Global:CustomGateway)
         # disable dhcp
         setDhcp($false)
         # setting gateway to customGateway
-        New-NetIPAddress -InterfaceAlias $adapter.Name -AddressFamily IPv4 -IPAddress $Global:TargetIP -PrefixLength 24 -DefaultGateway $Global:TargetGateway
+        New-NetIPAddress -InterfaceAlias $adapter.Name -AddressFamily IPv4 -IPAddress $Global:CustomIP -PrefixLength 24 -DefaultGateway $Global:CustomGateway
     } else {
         # config originalGateway
         $Global:isCustomGateway = $false
 
         # setting dns server
         Set-DnsClientServerAddress -InterfaceAlias $adapter.name -ServerAddresses ($Global:originalDns, $Global:originalDns)
-
+        # disable dhcp
+        setDhcp($false)
         # setting gateway to originalGateway
-        New-NetIPAddress -InterfaceAlias $adapter.Name -AddressFamily IPv4 -IPAddress $Global:TargetIP -PrefixLength 24 -DefaultGateway $Global:originalGateway
+        New-NetIPAddress -InterfaceAlias $adapter.Name -AddressFamily IPv4 -IPAddress $Global:CustomIP -PrefixLength 24 -DefaultGateway $Global:originalGateway
     }
     Start-Sleep 3
 }
@@ -125,25 +138,26 @@ function getNetworkAdapter(){
             break;
         }
     }
-    Write-Host "getNetworkAdapter: " $Global:TargetNetworkAdapter
+    Write-Log -Message "getNetworkAdapter: $Global:TargetNetworkAdapter"
 }
 
 function init {
+    Write-Log -Message "GateWay-KeepAliveForPowershell is start" -ToEventLog
     # check permission
     $IsAdmin = [Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()
     if (-not $IsAdmin.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
         # if not admin permission, restart it with admin permission
-        Write-Host "Requesting Administrator privileges..."
+        Write-Log -Message "Requesting Administrator privileges..."
         Start-Process pwsh -ArgumentList "-NoExit", "-File", $PSCommandPath -Verb RunAs
         exit
     }
 
-    Write-Host "Running with Administrator privileges!"
+    Write-Log -Message "Running with Administrator privileges!"
 
     # get netAdapter instance
     getNetworkAdapter
 
-    Write-Host "current adapter: $($Global:TargetNetworkAdapter.name)"
+    Write-Log -Message "current adapter: $($Global:TargetNetworkAdapter.name)"
 
     # try to change to customGateway at start
     changeGateway $Global:TargetNetworkAdapter $true
@@ -153,12 +167,14 @@ function loop(){
     while($true){
         # if network offline and using customGateway, try to restore to originalGateway
         if((!$(isNetworkConnected)) -and $Global:isCustomGateway){
+            Write-Log -Message "Network is down, change to original gateway" -ToEventLog
             changeGateway $Global:TargetNetworkAdapter $false
         } 
 
         # if customGateway proxy is working and using original gateway, try to change to customGateway
-        if($(Test-SocksProxy -ProxyHost $Global:TargetGateway -ProxyPort 1070) -and (!$Global:isCustomGateway)){
-            Write-Host isCustomGateway $Global:isCustomGateway
+        if($(Test-SocksProxy -ProxyHost $Global:CustomGateway -ProxyPort 1070) -and (!$Global:isCustomGateway)){
+            Write-Log -Message "isCustomGateway $Global:isCustomGateway"
+            Write-Log -Message "proxy host is up, change to custom gateway" -ToEventLog
             changeGateway $Global:TargetNetworkAdapter $true
         }
 
diff --git a/config.ps1 b/config.ps1
index e6eb86a..2f1a47a 100644
--- a/config.ps1
+++ b/config.ps1
@@ -1,9 +1,10 @@
 $Global:TestDomain = "www.google.com"               #测试代理是否可用
 $Global:TestIP = "223.5.5.5"                        #测试是否连接网络
 $Global:originalDns = "223.5.5.5"                   #默认DNS
-$Global:TargetGateway = "192.168.6.2"               #代理网关
-$Global:TargetIP = "192.168.6.4"                    #默认ip
 $Global:originalGateway = "192.168.6.1"             #默认网关
+$Global:CustomGateway = "192.168.6.2"               #代理网关
+$Global:CustomIP = "192.168.6.4"                    #默认ip
 $Global:TargetNetworkAdapter = {}                   #网络适配器实例
 $Global:TargetNetworkAdapterKeyword = "Ethernet"    #网络适配器名字通配符
-$Global:isCustomGateway = $false                    #是否为自定义网关
\ No newline at end of file
+$Global:isCustomGateway = $false                    #是否为自定义网关
+$Global:isDebugging = $false                         #是否为调试模式（日志输出到控制台）
\ No newline at end of file
diff --git a/logger.ps1 b/logger.ps1
new file mode 100644
index 0000000..ef52ca9
--- /dev/null
+++ b/logger.ps1
@@ -0,0 +1,41 @@
+. $(-Join($(Get-Location).Path, '\config.ps1'))
+
+function Write-Log {
+    param (
+        [Parameter(Mandatory)]
+        [string]$Message,           # 日志内容
+        [switch]$ToEventLog       # 是否输出到事件管理器
+    )
+
+    # 时间戳前缀
+    $timestamp = (Get-Date -Format "yyyy-MM-dd HH:mm:ss")
+    $logEntry = "[$timestamp] $Message"
+
+    # 输出到控制台
+    if ($Global:isDebugging) {
+        Write-Host $logEntry 
+    }
+
+    if ($ToEventLog){
+        # 写入到 Windows 事件日志
+        $eventID = 1000
+
+        # 确保事件源存在
+        $source = "GateWay-KeepAliveForPowershell"
+        if (-not (Get-EventLog -LogName Application -Source $source -ErrorAction SilentlyContinue)) {
+            try {
+                New-EventLog -LogName Application -Source $source -ErrorAction Stop
+            } catch {
+                Write-Host "Error creating event source: $_" -ForegroundColor Red
+                return
+            }
+        }
+
+        # 写入事件日志
+        try {
+            Write-EventLog -LogName Application -Source $source -EventID $eventID -EntryType 'Info' -Message $Message
+        } catch {
+            Write-Host "Failed to write to event log: $_" -ForegroundColor Red
+        }
+    }
+}
diff --git a/proxy-test.ps1 b/proxy-test.ps1
index b55e8d9..c853bc3 100644
--- a/proxy-test.ps1
+++ b/proxy-test.ps1
@@ -1,3 +1,6 @@
+. $(-Join($(Get-Location).Path, '\logger.ps1'))
+. $(-Join($(Get-Location).Path, '\config.ps1'))
+
 function Test-SocksProxy {
     param (
         [string]$ProxyHost,
@@ -11,7 +14,7 @@ function Test-SocksProxy {
         # check if proxy is working
         $result = $(Test-Connection $ProxyHost -Count 1).Status
         if(!($result -eq "Success")){
-            Write-Host proxy host $ProxyHost is $result
+            Write-Log -Message "proxy host $ProxyHost is $result" 
             return $false
         }
 
@@ -55,14 +58,14 @@ function Test-SocksProxy {
         $stream.Read($connectResponse, 0, $connectResponse.Length)
 
         if ($connectResponse[1] -eq 0x00) {
-            Write-Host "Proxy is valid and can connect to ${TestHost}:$TestPort."
+            Write-Log -Message "Proxy is valid and can connect to ${TestHost}:$TestPort."
             $result = $true
         } else {
             throw "SOCKS connection to ${TestHost}:$TestPort failed. Response code: $($connectResponse[1])"
             $result = $false
         }
     } catch {
-        Write-Host "Proxy test failed: $_"
+        Write-Log -Message "Proxy test failed: $_"
         $result = $false
     } finally {
         # 关闭连接