diff --git a/simple-mind-map/src/plugins/Export.js b/simple-mind-map/src/plugins/Export.js
index 779a5829..9b616f56 100644
--- a/simple-mind-map/src/plugins/Export.js
+++ b/simple-mind-map/src/plugins/Export.js
@@ -39,6 +39,10 @@ class Export {
     let imageList = svg.find('image')
     let task = imageList.map(async item => {
       let imgUlr = item.attr('href') || item.attr('xlink:href')
+      // 已经是data:URL形式不用转换
+      if (/^data:/.test(imgUlr)) {
+        return
+      }
       let imgData = await imgToDataUrl(imgUlr)
       item.attr('href', imgData)
     })