diff --git a/MyComputerManager/Helpers/NamespaceHelper.cs b/MyComputerManager/Helpers/NamespaceHelper.cs
index 851574d..f4b6c30 100644
--- a/MyComputerManager/Helpers/NamespaceHelper.cs
+++ b/MyComputerManager/Helpers/NamespaceHelper.cs
@@ -55,10 +55,27 @@ public static List<NamespaceItem> GetItemsInternal(RegistryKey rootkey, bool dis
                 return new List<NamespaceItem>();
             foreach (var item in LocalMachineNamespace.GetSubKeyNames())
             {
-                var clsidkey = Registry.ClassesRoot.OpenSubKey(@"CLSID", false);
+                var clsidrootkey = Registry.CurrentUser;
+                var clsidkey = clsidrootkey.OpenSubKey(@"SOFTWARE\Classes\CLSID", false);
                 var itemkey = clsidkey.OpenSubKey(item, false);
-                //var clsidkey = rootkey.OpenSubKey(@"SOFTWARE\Classes\CLSID", false);
-                //var itemkey = clsidkey.OpenSubKey(item, false);
+                if (itemkey == null)
+                {
+                    clsidrootkey = Registry.LocalMachine;
+                    clsidkey = clsidrootkey.OpenSubKey(@"SOFTWARE\Classes\CLSID", false);
+                    itemkey = clsidkey.OpenSubKey(item, false);
+                }
+                if (itemkey == null)
+                {
+                    clsidrootkey = Registry.CurrentUser;
+                    clsidkey = clsidrootkey.OpenSubKey(@"SOFTWARE\Classes\WOW6432Node\CLSID", false);
+                    itemkey = clsidkey.OpenSubKey(item, false);
+                }
+                if (itemkey == null)
+                {
+                    clsidrootkey = Registry.LocalMachine;
+                    clsidkey = clsidrootkey.OpenSubKey(@"SOFTWARE\Classes\WOW6432Node\CLSID", false);
+                    itemkey = clsidkey.OpenSubKey(item, false);
+                }
                 if (itemkey != null)
                 {
                     var iconkey = itemkey.OpenSubKey("DefaultIcon");
@@ -72,7 +89,7 @@ public static List<NamespaceItem> GetItemsInternal(RegistryKey rootkey, bool dis
                     string exepath = (string)(exekey?.GetValue("") ?? "");
 
                     if (name == "") continue;
-                    list.Add(new NamespaceItem(name, desc, tip, exepath, iconpath, rootkey, disabled, item));
+                    list.Add(new NamespaceItem(name, desc, tip, exepath, iconpath, rootkey, clsidkey, disabled, item));
                 }
             }
             return list;
@@ -88,7 +105,7 @@ public static CommonResult UpdateItem(NamespaceItem item)
                 var namespaceSubKey = namespaceKey.CreateSubKey(item.CLSID, true);
                 if (namespaceSubKey == null)
                     return new CommonResult(false, "找不到Namespace下的" + item.CLSID);
-                var clsidKey = Registry.ClassesRoot.CreateSubKey(@"CLSID", true);
+                var clsidKey = item.RegKey1;
                 if (clsidKey == null)
                     return new CommonResult(false, "找不到CLSID key");
                 var clsidSubKey = clsidKey.CreateSubKey(item.CLSID, true);
@@ -179,7 +196,7 @@ public static CommonResult DeleteItem(NamespaceItem item)
                     return new CommonResult(false, "找不到Namespace key");
                 namespaceKey.DeleteSubKeyTree(item.CLSID, false);
 
-                var clsidKey = item.RegKey.OpenSubKey(@"SOFTWARE\Classes\CLSID", true);
+                var clsidKey = item.RegKey1;
                 if (clsidKey == null)
                     return new CommonResult(false, "找不到CLSID key");
                 clsidKey.DeleteSubKeyTree(item.CLSID, false);
diff --git a/MyComputerManager/Models/NamespaceItem.cs b/MyComputerManager/Models/NamespaceItem.cs
index ab89e92..afd230e 100644
--- a/MyComputerManager/Models/NamespaceItem.cs
+++ b/MyComputerManager/Models/NamespaceItem.cs
@@ -17,7 +17,7 @@ public NamespaceItem()
         {
 
         }
-        public NamespaceItem(string name, string desc, string tip, string exePath, string iconPath, RegistryKey key, bool disabled, string cLSID)
+        public NamespaceItem(string name, string desc, string tip, string exePath, string iconPath, RegistryKey key, RegistryKey key1, bool disabled, string cLSID)
         {
             Name = name;
             Desc = desc;
@@ -25,6 +25,7 @@ public NamespaceItem(string name, string desc, string tip, string exePath, strin
             ExePath = exePath;
             IconPath = iconPath;
             RegKey = key;
+            RegKey1 = key1;
             isEnabled = !disabled;
             CLSID = cLSID;
         }
@@ -33,6 +34,7 @@ public NamespaceItem(string name)
         {
             Name = name;
             RegKey = Registry.CurrentUser;
+            RegKey1 = Registry.CurrentUser.CreateSubKey(@"SOFTWARE\Classes\CLSID", true);
             isEnabled = true;
             CLSID = null;
             Desc = "";
@@ -133,6 +135,7 @@ public bool IsEnabled
         }
 
         public RegistryKey RegKey { get; set; }
+        public RegistryKey RegKey1 { get; set; }
 
         public string RegKey_Namespace
         {
@@ -145,7 +148,7 @@ public string RegKey_CLSID
         {
             get
             {
-                return @"HKEY_CLASSES_ROOT\CLSID\" + CLSID;
+                return RegKey1.Name + @"\" + CLSID;
             }
         }
 
@@ -159,6 +162,7 @@ public NamespaceItem Clone()
                 Tip = Tip,
                 IconPath = IconPath,
                 RegKey = RegKey,
+                RegKey1 = RegKey1,
                 IsEnabled = IsEnabled,
                 Icon = Icon,
                 ExePath = ExePath