diff --git a/Editor/ChatGPTAnswer.cs b/Editor/ChatGPTAnswer.cs
index 6b9126b..e992b4e 100644
--- a/Editor/ChatGPTAnswer.cs
+++ b/Editor/ChatGPTAnswer.cs
@@ -21,7 +21,7 @@ public void SendAnswer()
         {
             Debug.Log("Answer Sent");
             var settings = Resources.Load<ChatGPTSettings>("ChatGPTSettings");
-            EditorBackgroundUtility.StartBackgroundTask(GenerateResponse(settings.apiKey, question, SetAnswer));
+            EditorBackgroundUtility.StartBackgroundTask(GenerateResponse(settings.apiKey, settings.aiModel,question, SetAnswer));
         }
 
         private void SetAnswer(string _answer)
@@ -29,11 +29,11 @@ private void SetAnswer(string _answer)
             answer = _answer.Trim();
         }
 
-        private IEnumerator GenerateResponse(string apiKey, string prompt, Action<string> resultAction)
+        private IEnumerator GenerateResponse(string apiKey, string model, string prompt, Action<string> resultAction)
         {
             ChatGPTCompletionData completionData = new ChatGPTCompletionData
             {
-                model = "text-davinci-003",
+                model = model,
                 prompt = prompt,
                 max_tokens = 1000,
                 temperature = 0,
@@ -63,9 +63,8 @@ private IEnumerator GenerateResponse(string apiKey, string prompt, Action<string
                     Debug.Log("ChatGPT Answered!");
                     var result = JsonUtility.FromJson<ChatGPTResult>(request.downloadHandler.text);
                     resultAction?.Invoke(result.choices[0].text);
-
-                    answerSent = false;
                 }
+                answerSent = false;
             }
         }
 
diff --git a/Editor/ChatGPTAnswerEditor.cs b/Editor/ChatGPTAnswerEditor.cs
index 4ad7517..111ca75 100644
--- a/Editor/ChatGPTAnswerEditor.cs
+++ b/Editor/ChatGPTAnswerEditor.cs
@@ -15,6 +15,7 @@ public class ChatGPTAnswerEditor : Editor
         private const string standbyMessage = "Ready to Answer.";
 
         private const string apiKeyErrorMessage = "API Key is Empty.";
+        private const string modelErrorMessage = "Model Name is Empty.";
         private const string settingErrorMessage = "ChatGPTSettings not Exists.";
 
         private Vector2 scrollA;
@@ -38,20 +39,20 @@ public override void OnInspectorGUI()
 
             EditorGUILayout.Separator();
 
-            EditorGUILayout.TextField("File Name", answerAsset.fileName);
+            answerAsset.fileName = EditorGUILayout.TextField("File Name", answerAsset.fileName);
 
-            EditorGUILayout.TextField("Save Path", answerAsset.savePath);
+            answerAsset.savePath = EditorGUILayout.TextField("Save Path", answerAsset.savePath);
 
             EditorGUILayout.Separator();
 
-            if (!settings || settings.ApiKeyIsEmpty()) GUI.enabled = false;
+            if (!settings || settings.ApiKeyIsEmpty() || settings.ModelIsEmpty()) GUI.enabled = false;
             if (GUILayout.Button("Send Answer"))
             {
                 answerAsset.SendAnswer();
                 answerAsset.answerSent = true;
             }
 
-            if (!settings || settings.ApiKeyIsEmpty()) GUI.enabled = true;
+            if (!settings || settings.ApiKeyIsEmpty() || settings.ModelIsEmpty()) GUI.enabled = true;
 
             EditorGUILayout.BeginHorizontal();
             GUILayout.FlexibleSpace();
@@ -71,6 +72,10 @@ public override void OnInspectorGUI()
                     {
                         GUILayout.Label(apiKeyErrorMessage);
                     }
+                    else if (settings.ModelIsEmpty())
+                    {
+                        GUILayout.Label(modelErrorMessage);
+                    }
                     else
                     {
                         GUILayout.Label(standbyMessage);
diff --git a/Editor/ChatGPTAnswers.meta b/Editor/ChatGPTAnswers.meta
new file mode 100644
index 0000000..01d9364
--- /dev/null
+++ b/Editor/ChatGPTAnswers.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: d4c9ee504b40a544d9dab7750300673b
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Editor/ChatGPTSettings.cs b/Editor/ChatGPTSettings.cs
index b6ce1d1..eeef06a 100644
--- a/Editor/ChatGPTSettings.cs
+++ b/Editor/ChatGPTSettings.cs
@@ -7,9 +7,11 @@ namespace BKK.ChatGPTEditor
     public class ChatGPTSettings : ScriptableObject
     {
         [SerializeField] private string openAiApiKey;
+        [SerializeField] private string model = "text-davinci-003";
         [SerializeField] private string createAssetPath = "Assets/Editor/ChatGPTAnswers";
 
         public string apiKey => openAiApiKey;
+        public string aiModel => model;
         public string createPath => createAssetPath;
 
         public const string settingPath = "Assets/Editor/Resources";
@@ -37,5 +39,10 @@ public bool ApiKeyIsEmpty()
         {
             return string.IsNullOrEmpty(apiKey) || string.IsNullOrWhiteSpace(apiKey);
         }
+
+        public bool ModelIsEmpty()
+        {
+            return string.IsNullOrEmpty(model) || string.IsNullOrWhiteSpace(model);
+        }
     }
 }
diff --git a/Editor/ChatGPTSettingsEditor.cs b/Editor/ChatGPTSettingsEditor.cs
new file mode 100644
index 0000000..354fcf3
--- /dev/null
+++ b/Editor/ChatGPTSettingsEditor.cs
@@ -0,0 +1,31 @@
+using System;
+using UnityEditor;
+using UnityEngine;
+
+namespace BKK.ChatGPTEditor
+{
+    [CustomEditor(typeof(ChatGPTSettings))]
+    public class ChatGPTSettingsEditor : Editor
+    {
+        private ChatGPTSettings chatGptSettings;
+        private SerializedProperty m_OpenAiApiKey;
+        private SerializedProperty m_Model;
+        private SerializedProperty m_CreateAssetPath;
+        
+        private void OnEnable()
+        {
+            chatGptSettings = target as ChatGPTSettings;
+
+            m_OpenAiApiKey = serializedObject.FindProperty("openAiApiKey");
+            m_Model = serializedObject.FindProperty("model");
+            m_CreateAssetPath = serializedObject.FindProperty("createAssetPath");
+        }
+
+        public override void OnInspectorGUI()
+        {
+            EditorGUILayout.PropertyField(m_OpenAiApiKey);
+            EditorGUILayout.PropertyField(m_Model, new GUIContent("Model( Current text-davinci-003 Only )"));
+            EditorGUILayout.PropertyField(m_CreateAssetPath);
+        }
+    }
+}
diff --git a/Editor/ChatGPTSettingsEditor.cs.meta b/Editor/ChatGPTSettingsEditor.cs.meta
new file mode 100644
index 0000000..8c0a5c0
--- /dev/null
+++ b/Editor/ChatGPTSettingsEditor.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: b3bebe872b493db4bacb9f6de417b8e9
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Editor/Resources/ChatGPTSettings.asset b/Editor/Resources/ChatGPTSettings.asset
index 7bf87c1..61a45d3 100644
--- a/Editor/Resources/ChatGPTSettings.asset
+++ b/Editor/Resources/ChatGPTSettings.asset
@@ -13,4 +13,5 @@ MonoBehaviour:
   m_Name: ChatGPTSettings
   m_EditorClassIdentifier: 
   openAiApiKey: 
+  model: text-davinci-003
   createAssetPath: Assets/Editor/ChatGPTAnswers
diff --git a/package.json b/package.json
index d238a69..02efc01 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.bkk.chatgptscriptgenerator",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "displayName": "ChatGPT Script Generator",
   "description": "ChatGPT Script Generator provides question ask to ChatGPT and script save in asset folder.",
   "unity": "2020.3",