diff --git a/jeecg-boot-module-system/src/main/java/org/jeecg/modules/apiService/impl/ContractServiceImpl.java b/jeecg-boot-module-system/src/main/java/org/jeecg/modules/apiService/impl/ContractServiceImpl.java
index cb9070b..747daa4 100644
--- a/jeecg-boot-module-system/src/main/java/org/jeecg/modules/apiService/impl/ContractServiceImpl.java
+++ b/jeecg-boot-module-system/src/main/java/org/jeecg/modules/apiService/impl/ContractServiceImpl.java
@@ -409,10 +409,11 @@ public class ContractServiceImpl implements ContractService {
 
             //获取pdf宽度
             float width = document.getPage(pageNo).getMediaBox().getWidth();
-            positionX = (float) (width * positionX / 750.0);
-            positonY = (float) (width * positonY / 750.0);
-            imageWidth = (float) (width * imageWidth / 750.0);
-            imageHeight = (float) (width * imageHeight / 750.0);
+            float height = document.getPage(pageNo).getMediaBox().getHeight();
+            positionX = (float) (width * positionX);
+            positonY = (float) (height - (width * positonY));
+            imageWidth = (float) (width * imageWidth);
+            imageHeight = (float) (width * imageHeight);
 
             pageStream.drawImage(image, positionX, positonY,imageWidth,imageHeight);
             pageStream.close();