未捕获的TypeError：无法读取tinymces中null的属性“设置”

Question

我在编辑器中添加了链接选项，当我尝试打开链接选项时，我遇到此错误，我进行了大量配置，但我猜版本问题请任何人帮助我。.

laravel：v5.7 xampp

<script src='//cdn.tinymce.com/4/tinymce.min.js'></script>
<script>tinymce.init({ 
selector:'textarea',plugins:'link',default_link_target: '_blank'});</script> 

Uncaught TypeError: Cannot read property 'settings' of null
    at init (tinymce.min.js:5)
    at i.init (tinymce.min.js:2)
    at new i (tinymce.min.js:2)
    at Object.create (tinymce.min.js:2)
    at Array.<anonymous> (tinymce.min.js:5)
    at Object.Ht [as each] (tinymce.min.js:2)
    at i.create (tinymce.min.js:5)
    at i.add (tinymce.min.js:5)
    at init (tinymce.min.js:5)
    at i.init (tinymce.min.js:2)