diff --git a/Apewer.Windows/Internals/RegHelper.cs b/Apewer.Windows/Internals/RegistryHelper.cs
similarity index 81%
rename from Apewer.Windows/Internals/RegHelper.cs
rename to Apewer.Windows/Internals/RegistryHelper.cs
index 2303b67..d0956b5 100644
--- a/Apewer.Windows/Internals/RegHelper.cs
+++ b/Apewer.Windows/Internals/RegistryHelper.cs
@@ -7,7 +7,7 @@ namespace Apewer.Internals
 {
 
     /// <summary>注册表。</summary>
-    static class RegHelper
+    static class RegistryHelper
     {
 
         /// <summary>用户登录后的启动项。</summary>
@@ -21,12 +21,12 @@ namespace Apewer.Internals
         /// <remarks>系统信息，对所有用户生效，设置需要管理员权限。</remarks>
         public static RegistryKey LocalMachine { get => Registry.LocalMachine; }
 
-        /// <summary>获取字符串。</summary>
+        /// <summary>获取值。</summary>
         /// <param name="root">注册表存储区。</param>
         /// <param name="key">路径。</param>
         /// <param name="name">名称。</param>
-        /// <returns>字符串的值。获取失败时返回 NULL 值。</returns>
-        public static string Get(RegistryKey root, string key, string name)
+        /// <returns>值。获取失败时返回 NULL 值。</returns>
+        public static object Get(RegistryKey root, string key, string name)
         {
             try
             {
@@ -34,18 +34,24 @@ namespace Apewer.Internals
                 using
 #endif
                 var rkey = root.OpenSubKey(key, RegistryKeyPermissionCheck.ReadSubTree);
-                var names = rkey.GetSubKeyNames();
+                var names = rkey.GetValueNames();
                 if (names.Contains(name))
                 {
-                    var obj = rkey.GetValue(name, null);
-                    var str = obj as string;
-                    return str;
+                    var value = rkey.GetValue(name, null);
+                    return value;
                 }
             }
             catch { }
             return null;
         }
 
+        /// <summary>获取字符串。</summary>
+        /// <param name="root">注册表存储区。</param>
+        /// <param name="key">路径。</param>
+        /// <param name="name">名称。</param>
+        /// <returns>字符串的值。获取失败时返回 NULL 值。</returns>
+        public static string GetString(RegistryKey root, string key, string name) => Get(root, key, name) as string;
+
         /// <summary>设置字符串，指定 value 为 NULL 可删除该值。</summary>
         /// <param name="root">注册表存储区。</param>
         /// <param name="key">路径。</param>
@@ -75,7 +81,7 @@ namespace Apewer.Internals
         /// <remarks>错误消息。</remarks>
         public static void SetRun(string name, string command)
         {
-            var old = Get(CurrentUser, Run, name);
+            var old = GetString(CurrentUser, Run, name);
             if (old.IsEmpty()) Set(CurrentUser, Run, name, command);
         }
 
@@ -93,7 +99,7 @@ namespace Apewer.Internals
             {
                 var path = Application.ExecutablePath;
                 var name = Path.GetFileNameWithoutExtension(path);
-                var value = Get(CurrentUser, Run, name);
+                var value = GetString(CurrentUser, Run, name);
                 return value == path;
             }
             set
diff --git a/Apewer.Windows/WindowsUtility.cs b/Apewer.Windows/WindowsUtility.cs
index 1dde123..0844ce6 100644
--- a/Apewer.Windows/WindowsUtility.cs
+++ b/Apewer.Windows/WindowsUtility.cs
@@ -991,11 +991,11 @@ namespace Apewer
         /// <summary>设置当前用户的启动项。</summary>
         /// <param name="name">启动项的名称。</param>
         /// <param name="command">执行的命令。</param>
-        public static void SetRun(string name, string command) => RegHelper.SetRun(name, command);
+        public static void SetRun(string name, string command) => RegistryHelper.SetRun(name, command);
 
         /// <summary>取消当前用户的启动项。</summary>
         /// <param name="name">启动项的名称。</param>
-        public static void CancelRun(string name) => RegHelper.CancelRun(name);
+        public static void CancelRun(string name) => RegistryHelper.CancelRun(name);
 
         #endregion