diff --git a/module/CHANGELOG-CN.md b/module/CHANGELOG-CN.md
index 35ee551..81b3109 100644
--- a/module/CHANGELOG-CN.md
+++ b/module/CHANGELOG-CN.md
@@ -3,7 +3,12 @@
     <a href="./CHANGELOG-CN.md">简体中文</a>
 </p>
 
-## 4.2.4 (2024/8/9)
+## 4.2.5 (2024/8/10)
+
+- 如果菜单启用了前缀匹配(`menu_is_prefix_match`)，当有公共前缀时，只提取补全的值
+- 优化补全更新的逻辑
+
+## 4.2.4 (2024/8/10)
 
 - 修复了因为一个代码文件使用了 LF 换行符导致 Windows PowerShell 模块加载错误的问题
   - 对于源代码文件，将 LF 换行符替换为 CRLF 换行符，UTF-8 编码替换为 UTF-8-BOM 编码
diff --git a/module/CHANGELOG.md b/module/CHANGELOG.md
index 89e798a..c49e8e9 100644
--- a/module/CHANGELOG.md
+++ b/module/CHANGELOG.md
@@ -3,7 +3,12 @@
     <a href="./CHANGELOG.md">English</a>
 </p>
 
-## 4.2.4 (2024/8/9)
+## 4.2.5 (2024/8/10)
+
+- If prefix match (`menu_is_prefix_match`) is enabled in the completion menu, only the value of completion is extracted when there's a common prefix.
+- Optimize the logic of completion update.
+
+## 4.2.4 (2024/8/10)
 
 - Fix an issue where Windows PowerShell module loading failed because a code file used LF line breaks.
   - For code files , replace LF line breaks to CRLF line breaks and replace UTF-8 to UTF-8-BOM encoding.
diff --git a/module/PSCompletions.psd1 b/module/PSCompletions.psd1
index 39e0111..15e2a30 100644
--- a/module/PSCompletions.psd1
+++ b/module/PSCompletions.psd1
@@ -10,7 +10,7 @@
 
     RootModule        = 'PSCompletions.psm1'
 
-    ModuleVersion     = '4.2.4'
+    ModuleVersion     = '4.2.5'
 
     GUID              = '00929632-527d-4dab-a5b3-21197faccd05'
 
diff --git a/module/PSCompletions.psm1 b/module/PSCompletions.psm1
index 1d9253b..5bdafc8 100644
--- a/module/PSCompletions.psm1
+++ b/module/PSCompletions.psm1
@@ -134,57 +134,50 @@
     function _update {
         $completion_list = $PSCompletions.cmd.keys | Where-Object { $_ -in $PSCompletions.list }
 
-        # 检查补全列表更新，并将最新结果保存到 update 文件中，以及 $PSCompletions.update 变量中
-        function check_update {
-            $update_list = [System.Collections.Generic.List[string]]@()
-
+        if ($arg.Length -lt 2) {
+            # 如果只是使用 psc update 则检查更新
+            $need_update_list = [System.Collections.Generic.List[string]]@()
             foreach ($completion in $completion_list) {
                 try {
-                    $url = "$($PSCompletions.url)/completions/$($completion)/guid.txt"
-                    $response = Invoke-WebRequest -Uri $url
-                }
-                catch {
-                    $path_guid = $PSCompletions.Join_path($PSCompletions.path.completions, $completion, 'guid.txt')
-                    $PSCompletions.download_file("$($PSCompletions.url)/completions/$($completion)/guid.txt", $path_guid)
-                    return
+                    $response = Invoke-WebRequest -Uri "$($PSCompletions.url)/completions/$($completion)/guid.txt"
+                    $content = $response.Content.Trim()
+                    $guid = $PSCompletions.get_raw_content("$($PSCompletions.path.completions)/$($completion)/guid.txt")
+                    if ($guid -ne $content) { $need_update_list.Add($completion) }
                 }
-                $content = $response.Content.Trim()
-                $guid = $PSCompletions.get_raw_content("$($PSCompletions.path.completions)/$($completion)/guid.txt")
-                if ($guid -ne $content) { $update_list.Add($completion) }
-            }
-            $PSCompletions.update = $update_list
-            if ($update_list) {
-                $PSCompletions.write_with_color((_replace $PSCompletions.info.update_has))
-                $update_list | Out-File $PSCompletions.path.update -Force -Encoding utf8
-            }
-            else {
-                Clear-Content $PSCompletions.path.update -Force
-                $PSCompletions.write_with_color((_replace $PSCompletions.info.update_no))
+                catch {  }
             }
-        }
-
-        if ($arg.Length -lt 2) {
-            # 如果只是 update 没有指定更新什么补全，则检查更新
-            check_update
+            $PSCompletions.update = $need_update_list
         }
         else {
+            $updated_list = [System.Collections.Generic.List[string]]@()
             if ($arg[1] -eq '*') {
                 # 更新全部可以更新的补全
                 foreach ($_ in $PSCompletions.update) {
                     $PSCompletions.add_completion($_, $true)
+                    $updated_list.Add($_)
                 }
             }
             else {
                 foreach ($completion in $arg[1..($arg.Length - 1)]) {
                     if ($completion -in $completion_list) {
                         $PSCompletions.add_completion($completion, $true)
+                        $updated_list.Add($completion)
                     }
                     else {
                         $PSCompletions.write_with_color((_replace $PSCompletions.info.no_completion))
                     }
                 }
             }
+            $PSCompletions.update = $PSCompletions.get_content($PSCompletions.path.update) | Where-Object { $_ -notin $updated_list }
+        }
+
+        if ($PSCompletions.update) {
+            $PSCompletions.write_with_color((_replace $PSCompletions.info.update_has))
+        }
+        else {
+            $PSCompletions.write_with_color((_replace $PSCompletions.info.update_no))
         }
+        $PSCompletions.update | Out-File $PSCompletions.path.update -Force -Encoding utf8
     }
     function _search {
         if ($arg.Length -lt 2) {
diff --git a/module/core/init.ps1 b/module/core/init.ps1
index b965439..362ffd4 100644
--- a/module/core/init.ps1
+++ b/module/core/init.ps1
@@ -3,7 +3,7 @@
 New-Variable -Name PSCompletions -Value @{} -Option Constant
 
 # 模块版本
-$PSCompletions.version = '4.2.4'
+$PSCompletions.version = '4.2.5'
 $PSCompletions.path = @{}
 $PSCompletions.path.root = Split-Path $PSScriptRoot -Parent
 $PSCompletions.path.completions = Join-Path $PSCompletions.path.root 'completions'
diff --git a/module/core/menu/win.ps1 b/module/core/menu/win.ps1
index 3756c11..912f13d 100644
--- a/module/core/menu/win.ps1
+++ b/module/core/menu/win.ps1
@@ -535,9 +535,9 @@ Add-Member -InputObject $PSCompletions.menu -MemberType ScriptMethod move_select
     }
 }
 Add-Member -InputObject $PSCompletions.menu -MemberType ScriptMethod get_prefix {
-    $prefix = $this.filter_list[-1].ListItemText
+    $prefix = $this.filter_list[-1].CompletionText
     for ($i = $this.filter_list.count - 2; $i -ge 0 -and $prefix; --$i) {
-        $text = $this.filter_list[$i].ListItemText
+        $text = $this.filter_list[$i].CompletionText
         if ($text) {
             while ($prefix -and !$text.StartsWith($prefix, [StringComparison]::OrdinalIgnoreCase)) {
                 $prefix = $prefix.Substring(0, $prefix.Length - 1)
diff --git a/module/log.json b/module/log.json
index c5f8504..b3b22d3 100644
--- a/module/log.json
+++ b/module/log.json
@@ -1,11 +1,23 @@
 {
+  "4.2.5": {
+    "zh-CN": [
+      "修复(2024/8/10)\n",
+      "  - 如果菜单启用了前缀匹配(<@Magenta>menu_is_prefix_match<@Blue>)，当有公共前缀时，只提取补全的值\n",
+      "  - 优化补全更新的逻辑\n"
+    ],
+    "en-US": [
+      "Fix(2024/8/10)\n",
+      "  - If prefix match (<@Magenta>menu_is_prefix_match<@Blue>) is enabled in the completion menu, only the value of completion is extracted when there's a common prefix.\n",
+      "  - Optimize the logic of completion update.\n"
+    ]
+  },
   "4.2.4": {
     "zh-CN": [
       "修复(2024/8/10)\n",
       "  - 修复了因为一个代码文件使用了 LF 换行符导致 Windows PowerShell 模块加载错误的问题\n",
       "    - 对于源代码文件，将 LF 换行符替换为 CRLF 换行符，UTF-8 编码替换为 UTF-8-BOM 编码\n",
       "  - 修复了非 Windows 环境的初始化导入缺失的问题\n",
-      "  - 调整源代码文件目录结构\n"
+      "  - 更改源代码文件目录结构\n"
     ],
     "en-US": [
       "Fix(2024/8/10)\n",
diff --git a/module/version.txt b/module/version.txt
index cf78d5b..df0228d 100644
--- a/module/version.txt
+++ b/module/version.txt
@@ -1 +1 @@
-4.2.4
+4.2.5