Unity重写Text

using UnityEngine;
using UnityEngine.UI;
public class AdaptiveText:Text
{
    [SerializeField]private Image m_Image;
}

需要在vs引入UnityEditor.UI.dll,点击vs引用，添加引用，路径为：安装路径\Editor\Data\UnityExtensions\Unity\GUISystem\Editor

using UnityEditor;
[CustomEditor(typeof(AdaptiveText), true)]
[CanEditMultipleObjects]
public class AdaptiveTextEditor : UnityEditor.UI.TextEditor
{
    SerializedProperty m_Image;

    protected override void