freeCodeCamp/guide/chinese/miscellaneous/fixing-exportsupdate-in-ang.../index.md

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---
title: Fixing Exportsupdate in Angular
localeTitle: 在Angular中修复Exportsupdate
---
事实证明,在**thing.controller.js**以及在可能产生的任何其它端点这就是所谓的_exports.update_功能当您从您的前端修改现有的数据库对象_$ http.put_电话坏了。这是一个[已知问题](https://github.com/DaftMonk/generator-angular-fullstack/issues/310) ,可以通过更改以下行来修复:
```
// Updates an existing thing in the DB.
exports.update = function(req, res) {
...
var updated = _.extend(thing, req.body);
// change _.merge to _.extend
...
};
```