diff --git a/simple-mind-map/src/plugins/RichText.js b/simple-mind-map/src/plugins/RichText.js
index 19808319..eb55c6e1 100644
--- a/simple-mind-map/src/plugins/RichText.js
+++ b/simple-mind-map/src/plugins/RichText.js
@@ -313,6 +313,8 @@ class RichText {
   getEditText() {
     let html = this.quill.container.firstChild.innerHTML
     // 去除ql-cursor节点
+    // https://github.com/wanglin2/mind-map/commit/138cc4b3e824671143f0bf70e5c46796f48520d0
+    // https://github.com/wanglin2/mind-map/commit/0760500cebe8ec4e8ad84ab63f877b8b2a193aa1
     // html = removeHtmlNodeByClass(html, '.ql-cursor')
     // 去除最后的空行
     return html.replace(/<p><br><\/p>$/, '')