diff --git a/CHANGELOG.md b/CHANGELOG.md
index baecec7b..b9010423 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 0.0.50 (2023-05-23)
+- **core**: 解决IE11不兼容Symbol问题
+
 ## 0.0.49 (2023-05-19)
 - **core**: 解决当组件被销毁，业务若异步（定时器）调用setState修改状态，可能出现路径错误问题。
 
diff --git a/libs/horizon/package.json b/libs/horizon/package.json
index 35b506ef..286222ac 100644
--- a/libs/horizon/package.json
+++ b/libs/horizon/package.json
@@ -4,7 +4,7 @@
   "keywords": [
     "horizon"
   ],
-  "version": "0.0.49",
+  "version": "0.0.50",
   "homepage": "",
   "bugs": "",
   "main": "index.js",
diff --git a/libs/horizon/src/external/JSXElement.ts b/libs/horizon/src/external/JSXElement.ts
index ccf43079..5ff3db84 100644
--- a/libs/horizon/src/external/JSXElement.ts
+++ b/libs/horizon/src/external/JSXElement.ts
@@ -40,6 +40,14 @@ export function JSXElement(type, key, ref, vNode, props, source: Source | null)
     // 所属的class组件,clonedeep jsxElement时需要防止无限循环
     [BELONG_CLASS_VNODE_KEY]: vNode,
   };
+  // 兼容IE11不支持Symbol
+  if (typeof BELONG_CLASS_VNODE_KEY  === 'string') {
+    Object.defineProperty(ele, BELONG_CLASS_VNODE_KEY, {
+      configurable: false,
+      enumerable: false,
+      value: vNode,
+    });
+  }
   if (isDev) {
     // 为了test判断两个 JSXElement 对象是否相等时忽略src属性，需要设置src的enumerable为false
     Object.defineProperty(ele, 'src', {
diff --git a/libs/horizon/src/renderer/vnode/VNode.ts b/libs/horizon/src/renderer/vnode/VNode.ts
index 4911f887..bc56dee5 100644
--- a/libs/horizon/src/renderer/vnode/VNode.ts
+++ b/libs/horizon/src/renderer/vnode/VNode.ts
@@ -38,7 +38,7 @@ import type { Hook } from '../hooks/HookType';
 import { InitFlag } from './VNodeFlags';
 import { Observer } from '../../horizonx/proxy/Observer';
 
-export const BELONG_CLASS_VNODE_KEY = Symbol('belongClassVNode');
+export const BELONG_CLASS_VNODE_KEY = typeof Symbol === 'function' ? Symbol('belongClassVNode') : 'belongClassVNode';
 
 export class VNode {
   tag: VNodeTag;