diff --git a/src/views/dictionary/attachment/components/SignatureTemplate/attachmentPreview.vue b/src/views/dictionary/attachment/components/SignatureTemplate/attachmentPreview.vue
index 662ccc71..e5a0915a 100644
--- a/src/views/dictionary/attachment/components/SignatureTemplate/attachmentPreview.vue
+++ b/src/views/dictionary/attachment/components/SignatureTemplate/attachmentPreview.vue
@@ -70,7 +70,7 @@ import ppt from '@/assets/file_icon/ppt.png'
 import pptx from '@/assets/file_icon/pptx.png'
 import xls from '@/assets/file_icon/xls.png'
 import xlsx from '@/assets/file_icon/xlsx.png'
-import mp4 from '@/assets/file_icon/xlsx.png'
+import mp4 from '@/assets/file_icon/mp4.png'
 import PreviewFile from '@/components/PreviewFile'
 import imageViewer from './image-viewer'
 import { getSystemDocumentAttachmentList } from '@/api/dictionary'