diff --git a/pusong-common/pusong-common-doc/src/main/java/com/pusong/common/doc/util/PDFBuilder.java b/pusong-common/pusong-common-doc/src/main/java/com/pusong/common/doc/util/PDFBuilder.java
index b998e07..45d6b59 100644
--- a/pusong-common/pusong-common-doc/src/main/java/com/pusong/common/doc/util/PDFBuilder.java
+++ b/pusong-common/pusong-common-doc/src/main/java/com/pusong/common/doc/util/PDFBuilder.java
@@ -119,9 +119,9 @@ public class PDFBuilder extends PdfPageEventHelper {
     public void addSign(PdfWriter writer){
         String psth;
         if(writer.getPageNumber()%2 == 1){
-            psth = imagepath+"\\doc\\image\\leftZ.png";
+            psth = imagepath+"/doc/image/leftZ.png";
         }else/* if (writer.getPageNumber() == 2)*/{
-            psth = imagepath+"\\doc\\image\\rightZ.png";
+            psth = imagepath+"/doc/image/rightZ.png";
         }/*else{
             return;
         }*/