diff --git a/src/Editor/UserConfig.ts b/src/Editor/UserConfig.ts
index 5e0885513..0511d900f 100644
--- a/src/Editor/UserConfig.ts
+++ b/src/Editor/UserConfig.ts
@@ -77,7 +77,7 @@ export class UserConfig implements IConfigStore
     @observable switchBackground = true; //切换背景
     @observable synchronousEnable = false;  //同步模式状态
     @observable isLargeIcon: boolean = false;//右侧工具栏材质大图标模式
-    @observable isModifyMaterial: boolean = false;//右侧工具栏应用时覆盖新的材质
+    @observable isModifyMaterial: boolean = true;//右侧工具栏应用时覆盖新的材质
     @observable autoSaveConfig = {
         enable: true,
         time: 1,