diff --git a/simple-mind-map/src/core/render/node/Node.js b/simple-mind-map/src/core/render/node/Node.js
index bbbf2e57..813d517e 100644
--- a/simple-mind-map/src/core/render/node/Node.js
+++ b/simple-mind-map/src/core/render/node/Node.js
@@ -179,10 +179,12 @@ class Node {
     let { isUseCustomNodeContent, customCreateNodeContent } = this.mindMap.opt
     if (isUseCustomNodeContent && customCreateNodeContent) {
       this._customNodeContent = customCreateNodeContent(this)
-      this._customNodeContent.setAttribute('xmlns', 'http://www.w3.org/1999/xhtml')
     }
     // 如果没有返回内容，那么还是使用内置的节点内容
-    if (this._customNodeContent) return
+    if (this._customNodeContent) {
+      this._customNodeContent.setAttribute('xmlns', 'http://www.w3.org/1999/xhtml')
+      return
+    }
     this._imgData = this.createImgNode()
     this._iconData = this.createIconNode()
     this._textData = this.createTextNode()