diff --git a/.github/README.md b/.github/README.md
index a900fa0..7d11193 100644
--- a/.github/README.md
+++ b/.github/README.md
@@ -6,7 +6,7 @@
 
 ![license](https://img.shields.io/github/license/ls9512/UTween)
 [![openupm](https://img.shields.io/npm/v/com.ls9512.utween?label=openupm&registry_uri=https://package.openupm.com)](https://openupm.com/packages/com.ls9512.utween/)
-[![Release Version](https://img.shields.io/badge/release-1.0.3-red.svg)](https://github.com/ls9512/UTween/releases)
+[![Release Version](https://img.shields.io/badge/release-1.1.1-red.svg)](https://github.com/ls9512/UTween/releases)
 ![topLanguage](https://img.shields.io/github/languages/top/ls9512/UTween)
 ![size](https://img.shields.io/github/languages/code-size/ls9512/UTween)
 ![last](https://img.shields.io/github/last-commit/ls9512/UTween)
diff --git a/.github/README_CN.md b/.github/README_CN.md
index 3175a8a..83f4531 100644
--- a/.github/README_CN.md
+++ b/.github/README_CN.md
@@ -7,7 +7,7 @@
 
 ![license](https://img.shields.io/github/license/ls9512/UTween)
 [![openupm](https://img.shields.io/npm/v/com.ls9512.utween?label=openupm&registry_uri=https://package.openupm.com)](https://openupm.com/packages/com.ls9512.utween/)
-[![Release Version](https://img.shields.io/badge/release-1.0.3-red.svg)](https://github.com/ls9512/UTween/releases)
+[![Release Version](https://img.shields.io/badge/release-1.1.1-red.svg)](https://github.com/ls9512/UTween/releases)
 ![topLanguage](https://img.shields.io/github/languages/top/ls9512/UTween)
 ![size](https://img.shields.io/github/languages/code-size/ls9512/UTween)
 ![last](https://img.shields.io/github/last-commit/ls9512/UTween)
diff --git a/Core/Script/EaseFunctionExtension/EaseTypeExtension.cs b/Core/Script/EaseFunctionExtension/EaseTypeExtension.cs
index 6b44c83..0439771 100644
--- a/Core/Script/EaseFunctionExtension/EaseTypeExtension.cs
+++ b/Core/Script/EaseFunctionExtension/EaseTypeExtension.cs
@@ -12,6 +12,16 @@ namespace Aya.Tween
     [EnumClass("EaseType")]
     public class EaseTypeExtension
     {
+#if UNITY_EDITOR
+        [UnityEditor.InitializeOnLoadMethod]
+#else
+        [UnityEngine.RuntimeInitializeOnLoadMethod]
+#endif
+        public static void Init()
+        {
+            SerializeEnumAttribute.CacheSerializeEnum(typeof(EaseType));
+        }
+
         [EnumProperty("Flash", "Ease Flash 01")]
         public const int EaseFlash01 = 100;
         [EnumProperty("Flash", "Ease Flash 010")]
diff --git a/package.json b/package.json
index ad08304..bc6e9d7 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "com.ls9512.utween",
   "displayName": "UTween",
   "description": "UTween is an interpolation animation component for Unity. You can quickly configure animations through built-in components or write animations through code.",
-  "version": "1.0.3",
+  "version": "1.1.1",
   "unity": "2019.4.3f1",
   "license": "MIT",
   "repository": {