fix: 修复 eslint 报错

components/Select.js

@@ -4,21 +4,19 @@ import React from 'react'
  * 下拉单选框
  */
 class Select extends React.Component {
-  constructor (props) {
-    super(props)
-    this.handleChange = this.handleChange.bind(this)
-  }
-
-  handleChange (event) {
+  handleChange = event => {
     const { onChange } = this.props
     onChange(event.target.value)
   }
 
-  render () {
+  render() {
     return (
       <div className='py-1 space-x-3'>
         <label className='text-gray-500'>{this.props.label}</label>
-        <select value={this.props.value} onChange={this.handleChange} className='border p-1 rounded cursor-pointer'>
+        <select
+          value={this.props.value}
+          onChange={this.handleChange}
+          className='border p-1 rounded cursor-pointer'>
           {this.props.options?.map(o => (
             <option key={o.value} value={o.value}>
               {o.text}