diff --git a/assets/module/common/CCEntity.ts b/assets/module/common/CCEntity.ts
index 15540ee..0bad37c 100644
--- a/assets/module/common/CCEntity.ts
+++ b/assets/module/common/CCEntity.ts
@@ -7,6 +7,7 @@ import { ViewUtil } from '../../core/utils/ViewUtil';
 import { ecs } from '../../libs/ecs/ECS';
 import type { CompType } from '../../libs/ecs/registry/ECSTypes';
 import type { CCBusiness } from './CCBusiness';
+import { getClassName } from '../decorator/ClassNameDecorator';
 import { GameComponent } from './GameComponent';
 import { ECSEntity } from '../../libs/ecs/entity/ECSEntity';
 
@@ -269,7 +270,8 @@ export abstract class CCEntity extends ecs.Entity {
         this.businesss.set(cls, business);
 
         // 将业务逻辑组件直接附加到实体对象身上，方便直接获取
-        Reflect.set(this, cls.name, business);
+        // 使用 classname.getName 获取注册名，避免打包压缩后 cls.name 被混淆
+        Reflect.set(this, getClassName(cls), business);
 
         return business as T;
     }
diff --git a/assets/module/decorator/ClassNameDecorator.ts b/assets/module/decorator/ClassNameDecorator.ts
new file mode 100644
index 0000000..4742440
--- /dev/null
+++ b/assets/module/decorator/ClassNameDecorator.ts
@@ -0,0 +1,37 @@
+/**
+ * 类名注册装饰器
+ *
+ * 由于 JS 打包压缩会改变类名（`ctor.name` 被混淆为单字母），
+ * 使用此装饰器将原始类名保存到构造函数的静态属性上，打包后仍可获取。
+ *
+ * @example
+ * ```typescript
+ * @classname('B_Account_Login')
+ * export class B_Account_Login extends CCBusiness<Account> { ... }
+ *
+ * // 获取注册名
+ * getClassName(B_Account_Login); // 'B_Account_Login'
+ * ```
+ */
+
+/** 装饰器写入的静态属性名 */
+const CLASS_NAME_KEY = 'CLASS_NAME';
+
+/**
+ * 类装饰器工厂：注册类名，防止打包压缩后 `ctor.name` 被混淆。
+ * @param name 类注册名（须与源码中的类名一致）
+ */
+export function classname(name: string): ClassDecorator {
+    return function (ctor: Function): void {
+        (ctor as any)[CLASS_NAME_KEY] = name;
+    };
+}
+
+/**
+ * 获取类的注册名，未注册时回退到 `ctor.name`。
+ * @param ctor 类构造函数
+ * @returns 注册名或原始类名
+ */
+export function getClassName(ctor: Function): string {
+    return (ctor as any)[CLASS_NAME_KEY] || ctor.name;
+}
diff --git a/assets/module/decorator/ClassNameDecorator.ts.meta b/assets/module/decorator/ClassNameDecorator.ts.meta
new file mode 100644
index 0000000..ef140ae
--- /dev/null
+++ b/assets/module/decorator/ClassNameDecorator.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.24",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "8f61f8d6-9de0-4f33-bff6-d4946105cc11",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}