diff --git a/server/src/main/resources/static/pptx/ppt.js b/server/src/main/resources/static/pptx/ppt.js
index 454d2456..c83f1e57 100644
--- a/server/src/main/resources/static/pptx/ppt.js
+++ b/server/src/main/resources/static/pptx/ppt.js
@@ -154,6 +154,7 @@ function resetContent() {
 	var thumbnailWidth = $('.thumbnail:first').width();
 	var thumbnailHeight = thumbnailWidth * ratio;
 	$('.thumbnail').height(thumbnailHeight);
+	$('.thumbnail>img').width(thumbnailWidth).height(thumbnailHeight);
 
 	var slideImgContainerWidth = $('.slide-img-container:first').width();
 	var slideImgContainerHeight = slideImgContainerWidth * ratio;
diff --git a/server/src/main/resources/web/ppt.ftl b/server/src/main/resources/web/ppt.ftl
index 29d0b08d..f88ff5e9 100644
--- a/server/src/main/resources/web/ppt.ftl
+++ b/server/src/main/resources/web/ppt.ftl
@@ -2,7 +2,7 @@
 {
 	"code": 1,
 	"name": "PPT预览",
-	"totalSize": 0,
+	"totalSize": ${imgurls?size},
 	"curPage": 1,
 	"totalPage": 1,
 	"pageSize": 10,