浏览器的记住密码，autocomplete= “new-password“解决

例：直接加autocomplete= “new-password”

<a-form-model-item prop="userPassword" class="explain-long">
   <a-input-password
     v-model="form.userPassword"
     autocomplete="new-password"
     :maxLength="20"
     placeholder="请输入密码"
     :style="styleObject"
     id="passwordInp"
   />
 </a-form-model-item>