diff --git a/tmux.conf b/tmux.conf
index 69ad5c8..b4671bf 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -15,7 +15,7 @@ set-option -g display-time 4000
 ############################
 setw -g mode-keys vi
 set -g status-keys vi
-set -g prefix C-h
+# set -g prefix C-h
 bind-key c new-window -c '#{pane_current_path}'
 bind-key '"' split-window -c '#{pane_current_path}'
 bind-key % split-window -h -c '#{pane_current_path}'
diff --git a/win/profile.ps1 b/win/profile.ps1
index bfd98a9..301614d 100644
--- a/win/profile.ps1
+++ b/win/profile.ps1
@@ -4,8 +4,16 @@
 
 
 Set-PSReadLineOption -EditMode Emacs
+$Env:Path += ";$PSScriptRoot\bin"
 
-Function dp ($Word) {
+function dp {
+  [CmdletBinding()]
+  param (
+      [Parameter(Mandatory=$true,ValueFromRemainingArguments)]
+      [String[]]
+      $words
+  )
+  $word = $words | Join-String -Separator ' '
   Add-Type -AssemblyName presentationCore
   $tmpPath = Join-Path -Path $env:Temp -ChildPath 'sound.mp3'
   Invoke-WebRequest -Uri "http://dict.youdao.com/dictvoice?audio=$Word&type=1" -OutFile $tmpPath
@@ -16,3 +24,26 @@ Function dp ($Word) {
   $mediaPlayer.Close()
 }
 
+function d {
+  [CmdletBinding()]
+  param (
+      [Parameter(Mandatory=$true,ValueFromRemainingArguments)]
+      [String[]]
+      $words
+  )
+  $word = $words | Join-String -Separator ' '
+  $res = Invoke-WebRequest -Uri "https://cn.bing.com/dict/search" -Method GET -Body @{q=$word}
+  if ($res.Content -match '<meta name="description" content="(.+?)" />') {
+    $explain = $Matches[1] -replace '必应词典为您提供.+的释义，(.+)','$1'
+    $explain = $explain -replace ' 网络释义',"`r`n网络释义"
+    $explain = $explain -replace '，',"`r`n"
+    Write-Host $explain
+  } else {
+    throw 'meta description not found'
+  }
+}
+
+function vsbuild {
+  Import-Module "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\Common7\Tools\Microsoft.VisualStudio.DevShell.dll"
+  Enter-VsDevShell 56e7bf1c
+}
\ No newline at end of file