diff --git a/backend/src/index.js b/backend/src/index.js
index 783d16a..0b6b51c 100644
--- a/backend/src/index.js
+++ b/backend/src/index.js
@@ -1,8 +1,3 @@
-// NeteaseCloudMusicApi 有不兼容的代码。晚点提 PR 改下，这里先 hack
-String.prototype.replaceAll = function (f, r) {
-  return this.replace(new RegExp(f, 'g'), r);
-};
-
 const path = require('path');
 const logger = require('consola');
 const cors = require('cors');