在'react'中找不到导出'component'(作为"组件"导入)(可能的导出：

import React, {component} from 'react';
import logo from './logo.svg';
import './App.css';
import MyTestFunction from './components/MyTestFunction'
class App extends component {
  render(){
    return(
      <div className="App">
        <h1 />

         </div>
    );
  }
}
    
   export default App;