fix： 处理已被删除的图片 未处理的问题

nezha-fronted/src/components/common/project/meta2d/js/meta2dMain.js

@@ -156,6 +156,8 @@ export default {
         pen.imageId = pen.data.imageId
         if (imageInfo) {
           pen.image = `/topology/icon/0/${imageInfo.unit}/${imageInfo.name}`
+        } else {
+          pen.image = ''
         }
       }
       pen.data = {