diff --git a/resource/template/dashboard-default/server.html b/resource/template/dashboard-default/server.html
index 8d5c1ae..c6e5a58 100644
--- a/resource/template/dashboard-default/server.html
+++ b/resource/template/dashboard-default/server.html
@@ -45,7 +45,7 @@
                             <i class="linux icon"></i>
                         </button>
                         <button class="ui icon green mini button"
-                            data-clipboard-text="{{if $.Conf.GRPCHost}}set-ExecutionPolicy RemoteSigned;Invoke-WebRequest https://raw.githubusercontent.com/naiba/nezha/master/script/install.ps1 -OutFile C:\install.ps1;powershell.exe C:\install.ps1 {{$.Conf.GRPCHost}}:{{if $.Conf.ProxyGRPCPort}}{{$.Conf.ProxyGRPCPort}}{{else}}{{$.Conf.GRPCPort}}{{end}} {{$server.Secret}}{{if $.Conf.TLS}} --tls{{end}}{{else}}{{tr "NoDomainAlert"}}{{end}}"
+                            data-clipboard-text="{{if $.Conf.GRPCHost}}[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Ssl3 -bor [Net.SecurityProtocolType]::Tls -bor [Net.SecurityProtocolType]::Tls11 -bor [Net.SecurityProtocolType]::Tls12;set-ExecutionPolicy RemoteSigned;Invoke-WebRequest https://raw.githubusercontent.com/naiba/nezha/master/script/install.ps1 -OutFile C:\install.ps1;powershell.exe C:\install.ps1 {{$.Conf.GRPCHost}}:{{if $.Conf.ProxyGRPCPort}}{{$.Conf.ProxyGRPCPort}}{{else}}{{$.Conf.GRPCPort}}{{end}} {{$server.Secret}}{{if $.Conf.TLS}} --tls{{end}}{{else}}{{tr "NoDomainAlert"}}{{end}}"
                             data-tooltip="{{tr "ClickToCopyTheInstallationCommand"}}">
                             <i class="windows icon"></i>
                         </button>