diff --git a/public/static/pdf/web/viewer.js b/public/static/pdf/web/viewer.js
index 47d3d46bc..519ad58a0 100644
--- a/public/static/pdf/web/viewer.js
+++ b/public/static/pdf/web/viewer.js
@@ -6653,7 +6653,7 @@ var PDFPageView = function () {
           watermark_cols: 0,//水印列数
           watermark_x_space: 18,//水印x轴间隔
           watermark_y_space: 20,//水印y轴间隔
-          watermark_color: 'rgba(192, 192, 192)',//水印字体颜色
+          watermark_color: 'rgba(232,232,240)',//水印字体颜色
           watermark_alpha: 0.3,//水印透明度
           watermark_fontsize: '40px',//水印字体大小
           watermark_font: '微软雅黑',//水印字体
@@ -6671,7 +6671,7 @@ var PDFPageView = function () {
             watermark_cols: 0,//水印列数
             watermark_x_space: 2,//水印x轴间隔
             watermark_y_space: 27,//水印y轴间隔
-            watermark_color: 'rgba(192, 192, 192)',//水印字体颜色
+            watermark_color: 'rgba(232,232,240)',//水印字体颜色
             watermark_alpha: 0.3,//水印透明度
             watermark_fontsize: '40px',//水印字体大小
             watermark_font: '微软雅黑',//水印字体