diff --git a/Assets/AsmdefHelper/CompileLocker/Editor/CompileLocker.cs b/Assets/AsmdefHelper/CompileLocker/Editor/CompileLocker.cs
index be48117..c0e2b9f 100644
--- a/Assets/AsmdefHelper/CompileLocker/Editor/CompileLocker.cs
+++ b/Assets/AsmdefHelper/CompileLocker/Editor/CompileLocker.cs
@@ -11,6 +11,7 @@ namespace AsmdefHelper.CompileLocker.Editor {
         const string menuPath = "Window/Asmdef Helper/Compile Lock";
 
         [MenuItem("Window/Asmdef Helper/Compile Lock", false, 1)]
+        [MenuItem("Assets/Asmdef Helper/Compile Lock", false, 1000)]
         static void Lock() {
             var isLocked = Menu.GetChecked(menuPath);
             if (isLocked) {
diff --git a/Assets/AsmdefHelper/CustomCreate/Editor/AsmdefCustomCreateView.cs b/Assets/AsmdefHelper/CustomCreate/Editor/AsmdefCustomCreateView.cs
index 95ff065..ba04837 100644
--- a/Assets/AsmdefHelper/CustomCreate/Editor/AsmdefCustomCreateView.cs
+++ b/Assets/AsmdefHelper/CustomCreate/Editor/AsmdefCustomCreateView.cs
@@ -1,37 +1,66 @@
+using System.IO;
+using System.Text;
+using AsmdefHelper.CustomCreate.Editor;
 using UnityEditor;
 using UnityEngine;
 using UnityEngine.UIElements;
 using UnityEditor.UIElements;
 
 
-public class AsmdefCustomCreateView : EditorWindow
-{
-    [MenuItem("Window/Project/AsmdefCustomCreateView")]
-    public static void ShowExample()
-    {
-        AsmdefCustomCreateView wnd = GetWindow<AsmdefCustomCreateView>();
-        wnd.titleContent = new GUIContent("AsmdefCustomCreateView");
+// original: https://github.com/baba-s/UniAssemblyDefinitionCreator
+public class AsmdefCustomCreateView : EditorWindow {
+    [MenuItem("Assets/Asmdef Helper/Create custom asmdef", false, 0)]
+    public static void ShowWindow() {
+        var window = GetWindow<AsmdefCustomCreateView>();
+        window.titleContent = new GUIContent("AsmdefCustomCreateView");
+        window.minSize = new Vector2(200,180);
+        window.maxSize = new Vector2(2000,180);
     }
 
-    public void OnEnable()
-    {
+    public void OnEnable() {
         // Each editor window contains a root VisualElement object
         VisualElement root = rootVisualElement;
 
-        // VisualElements objects can contain other VisualElement following a tree hierarchy.
-        VisualElement label = new Label("Hello World! From C#");
-        root.Add(label);
-
         // Import UXML
-        var visualTree = AssetDatabase.LoadAssetAtPath<VisualTreeAsset>("Assets/AsmdefHelper/CustomCreate/Editor/AsmdefCustomCreateView.uxml");
+        var visualTree =
+            AssetDatabase.LoadAssetAtPath<VisualTreeAsset>(
+                "Assets/AsmdefHelper/CustomCreate/Editor/AsmdefCustomCreateView.uxml");
         VisualElement labelFromUXML = visualTree.Instantiate();
         root.Add(labelFromUXML);
 
-        // A stylesheet can be added to a VisualElement.
-        // The style will be applied to the VisualElement and all of its children.
-        var styleSheet = AssetDatabase.LoadAssetAtPath<StyleSheet>("Assets/AsmdefHelper/CustomCreate/Editor/AsmdefCustomCreateView.uss");
-        VisualElement labelWithStyle = new Label("Hello World! With Style");
-        labelWithStyle.styleSheets.Add(styleSheet);
-        root.Add(labelWithStyle);
+        // UI取得
+        var PathTextField = root.Q<TextField>(className: "PathTextField");
+        var NameTextField = root.Q<TextField>(className: "NameTextField");
+        var AllowUnsafeToggle = root.Q<Toggle>(className: "AllowUnsafeToggle");
+        var AutoReferencedToggle = root.Q<Toggle>(className: "AutoReferencedToggle");
+        var OverrideReferencesToggle = root.Q<Toggle>(className: "OverrideReferencesToggle");
+        var NoEngineReferencesToggle = root.Q<Toggle>(className: "NoEngineReferencesToggle");
+        var IsEditorToggle = root.Q<Toggle>(className: "IsEditorToggle");
+        var CreateButton = root.Q<Button>(className: "CreateButton");
+
+        // PathとNameの初期値
+        var asset = Selection.activeObject;
+        var assetPath = AssetDatabase.GetAssetPath(asset);
+        var directory = string.IsNullOrWhiteSpace(assetPath) ? "Assets/" : assetPath;
+        PathTextField.value = directory;
+        NameTextField.value = directory.Replace("Assets/", "").Replace('/', '.');
+
+        // .asmdefを作成して閉じる
+        CreateButton.clickable.clicked += () => {
+            var asmdefName = NameTextField.value;
+            var asmdef = new AssemblyDefinitionJson {
+                name = asmdefName,
+                allowUnsafeCode = AllowUnsafeToggle.value,
+                autoReferenced = AutoReferencedToggle.value,
+                overrideReferences = OverrideReferencesToggle.value,
+                noEngineReferences = NoEngineReferencesToggle.value,
+                includePlatforms = IsEditorToggle.value ? new[] { "Editor" } : new string[0]
+            };
+            var asmdefJson = JsonUtility.ToJson(asmdef, true);
+            var asmdefPath = $"{directory}/{asmdefName}.asmdef";
+            File.WriteAllText(asmdefPath, asmdefJson, Encoding.UTF8);
+            AssetDatabase.Refresh();
+            Close();
+        };
     }
-}
\ No newline at end of file
+}
diff --git a/Assets/AsmdefHelper/CustomCreate/Editor/AsmdefCustomCreateView.uxml b/Assets/AsmdefHelper/CustomCreate/Editor/AsmdefCustomCreateView.uxml
index 4a79981..1386e62 100644
--- a/Assets/AsmdefHelper/CustomCreate/Editor/AsmdefCustomCreateView.uxml
+++ b/Assets/AsmdefHelper/CustomCreate/Editor/AsmdefCustomCreateView.uxml
@@ -5,5 +5,15 @@
     xmlns:editor="UnityEditor.UIElements"
     xsi:noNamespaceSchemaLocation="../../../../UIElementsSchema/UIElements.xsd"
 >
-    <engine:Label text="Hello World! From UXML" />
+    <engine:Label class="AsmdefInfo" text="Input your asmdef info"/>
+    <engine:Box>
+        <engine:TextField class="PathTextField"  label="Path" text="ASMDEF_PATH_HERE"  readonly="true"/>
+        <engine:TextField class="NameTextField"  label="Name" text="ASMDEF_NAME_HERE"/>
+        <engine:Toggle class="AllowUnsafeToggle"  label="Allow 'unsafe' Code" value="false"/>
+        <engine:Toggle class="AutoReferencedToggle"  label="Auto Referenced" value="true"/>
+        <engine:Toggle class="OverrideReferencesToggle"  label="Override Referenced" value="false"/>
+        <engine:Toggle class="NoEngineReferencesToggle"  label="No Engine References" value="false"/>
+        <engine:Toggle class="IsEditorToggle"  label="Is Editor" value="false"/>
+        <engine:Button class="CreateButton"  text="Create" />
+    </engine:Box>
 </engine:UXML>
diff --git a/Assets/AsmdefHelper/CustomCreate/Editor/AssemblyDefinitionJson.cs b/Assets/AsmdefHelper/CustomCreate/Editor/AssemblyDefinitionJson.cs
new file mode 100644
index 0000000..898c7d8
--- /dev/null
+++ b/Assets/AsmdefHelper/CustomCreate/Editor/AssemblyDefinitionJson.cs
@@ -0,0 +1,15 @@
+namespace AsmdefHelper.CustomCreate.Editor {
+    public class AssemblyDefinitionJson {
+        public string name = string.Empty;
+        public string[] references = new string[0];
+        public string[] includePlatforms = new string[0];
+        public string[] excludePlatforms = new string[0];
+        public bool allowUnsafeCode = false;
+        public bool overrideReferences = false;
+        public string[] precompiledReferences = new string[0];
+        public bool autoReferenced = false;
+        public string[] defineConstraints = new string[0];
+        public string[] versionDefines = new string[0];
+        public bool noEngineReferences = false;
+    }
+}
diff --git a/Assets/AsmdefHelper/CustomCreate/Editor/AssemblyDefinitionJson.cs.meta b/Assets/AsmdefHelper/CustomCreate/Editor/AssemblyDefinitionJson.cs.meta
new file mode 100644
index 0000000..dc4f094
--- /dev/null
+++ b/Assets/AsmdefHelper/CustomCreate/Editor/AssemblyDefinitionJson.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 0364ec00ec0f6a2448715767f1e1441f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/AsmdefHelper/MultipleEdit/Editor/AsmdefMultiEditWindow.cs b/Assets/AsmdefHelper/MultipleEdit/Editor/AsmdefMultiEditWindow.cs
index aa4c00e..ae7d053 100644
--- a/Assets/AsmdefHelper/MultipleEdit/Editor/AsmdefMultiEditWindow.cs
+++ b/Assets/AsmdefHelper/MultipleEdit/Editor/AsmdefMultiEditWindow.cs
@@ -17,7 +17,7 @@ namespace AsmdefHelper.MultipleEdit.Editor {
         }
 
         [MenuItem("Window/Asmdef Helper/Open selected asmdef inspector view")]
-        [MenuItem("Assets/Asmdef Helper/Open selected asmdef inspector view")]
+        [MenuItem("Assets/Asmdef Helper/Open selected asmdef inspector view", priority = 2000)]
         public static void Open() {
             var asmdefs = Selection.GetFiltered(typeof(AssemblyDefinitionAsset), SelectionMode.TopLevel);
             if (!asmdefs.Any()) {