diff --git a/src/main/resources/static/components/plugins/sysFilePreview/index.vue b/src/main/resources/static/components/plugins/sysFilePreview/index.vue
index 4be957c..410cd13 100644
--- a/src/main/resources/static/components/plugins/sysFilePreview/index.vue
+++ b/src/main/resources/static/components/plugins/sysFilePreview/index.vue
@@ -252,7 +252,7 @@ module.exports = {
 }
 .preview-main-content .file-preview-image {
   margin: 0 auto;
-  max-width: 550px;
+  max-width: 80%;
   display: block;
 }
 .preview-footer {