diff --git a/adc-da-base/src/main/java/com/adc/da/util/WaterMarkUtil.java b/adc-da-base/src/main/java/com/adc/da/util/WaterMarkUtil.java
index cb03edc7..1d30a8aa 100644
--- a/adc-da-base/src/main/java/com/adc/da/util/WaterMarkUtil.java
+++ b/adc-da-base/src/main/java/com/adc/da/util/WaterMarkUtil.java
@@ -55,7 +55,7 @@ public class WaterMarkUtil {
                 // 设置透明度为0.2
                 // set Transparency
                 PdfGState gs = new PdfGState();
-                gs.setFillOpacity(0.2f);
+                gs.setFillOpacity(0.3f);
                 under.setGState(gs);
                 for (int y = 0; y < 50; y++) {
                     for (int x = 0; x < 50; x++) {