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 4a01912..5260b8e 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
@@ -438,7 +438,7 @@ public class ContractServiceImpl implements ContractService {
             int pageNum = document.getNumberOfPages();
             if(pageNo<0 || pageNo>pageNum){
                 String message = "签名页码超出范围(0~"+pageNum+")，请输入正确的签名页码，当前传入页码："+pageNo;
-                return Result.OK("签名页码超出范围，输入正确的签名页码");
+                return Result.error("签名页码超出范围，输入正确的签名页码");
             }
             //3、由Document得到Page对象
             PDPage page = document.getPage(pageNo-1);//页码下标从0开始
@@ -455,8 +455,8 @@ public class ContractServiceImpl implements ContractService {
             //pageStream.drawImage(image, 450, 700,50,50);
 
             //获取pdf宽度
-            float width = document.getPage(pageNo).getMediaBox().getWidth();
-            float height = document.getPage(pageNo).getMediaBox().getHeight();
+            float width = document.getPage(pageNo-1).getMediaBox().getWidth();
+            float height = document.getPage(pageNo-1).getMediaBox().getHeight();
             positionX = (float) (width * positionX);
             positonY = (float) (height - (width * positonY));
             imageWidth = (float) (width * imageWidth);
@@ -486,7 +486,7 @@ public class ContractServiceImpl implements ContractService {
 
         }catch (Exception e){
             e.printStackTrace();
-            return Result.OK("pdf添加签名失败！");
+            return Result.error("pdf添加签名失败！");
         }
 
         return Result.OK("pdfPath", resultPdfPath);