diff --git a/src/main/java/com/sunyard/SydApiException.java b/src/main/java/com/sunyard/SydApiException.java
index 3482948..107ea47 100644
--- a/src/main/java/com/sunyard/SydApiException.java
+++ b/src/main/java/com/sunyard/SydApiException.java
@@ -102,14 +102,14 @@ public class SydApiException extends RuntimeException{
     }
 
     public SydApiException(int retCode) {
-        super("SydApiException(" + "code = "+String.format("%d", retCode) + ")" );
+        super("SydApiException(" + "code = "+String.format("%04x", retCode) + ")" );
         this.retCode = retCode;
         transMsg();
     }
 
 
     public SydApiException(String msg, int retCode){
-        super("SydApiException(" + String.format("%04X", retCode) + ":" + ( null == msg ? transMsg(retCode) : msg ) + ")" );
+        super("SydApiException(" + String.format(" %04X", retCode) + ":" + ( null == msg ? transMsg(retCode) : msg ) + ")" );
         this.retCode = retCode;
         if (null == msg || "".equals(msg)){
             transMsg();