diff --git a/public/static/pdf/web/viewer.js b/public/static/pdf/web/viewer.js
index 65e49243e..befac4fdd 100644
--- a/public/static/pdf/web/viewer.js
+++ b/public/static/pdf/web/viewer.js
@@ -6655,7 +6655,7 @@ var PDFPageView = function () {
           watermark_y_space: 200,//水印y轴间隔
           watermark_color: 'rgba(192, 192, 192)',//水印字体颜色
           watermark_alpha: 0.4,//水印透明度
-          watermark_fontsize: '36px',//水印字体大小
+          watermark_fontsize: '56px',//水印字体大小
           watermark_font: '微软雅黑',//水印字体
           watermark_width: 120,//水印宽度
           watermark_height: 80,//水印长度