diff --git a/src/main/java/com/sunyard/SydApiException.java b/src/main/java/com/sunyard/SydApiException.java
index 3171b7e..ea60670 100644
--- a/src/main/java/com/sunyard/SydApiException.java
+++ b/src/main/java/com/sunyard/SydApiException.java
@@ -81,6 +81,10 @@ public class SydApiException extends RuntimeException{
 
             case 40000:
                 this.msg = "输入的大数据处理异常";
+            case 56300:
+                this.msg = "证书导入错误";
+            case 56307:
+                this.msg = "证书删除错误";
 
             default:
                 this.msg = "未定义的错误";
@@ -88,13 +92,15 @@ public class SydApiException extends RuntimeException{
     }
 
     public SydApiException(int retCode) {
+        super("SydApiException(" + "code = "+String.format("%d", retCode) + ")" );
         this.retCode = retCode;
         transMsg();
     }
 
 
     public SydApiException(String msg, int ret){
-        this(ret);
+        super("SydApiException(" +"code ="+ String.format(" %d", ret) + " : "+"msg ="+ (null == msg ? "未定义的错误" : msg) +")" );
+        this.retCode = ret;
         if (null == msg || "".equals(msg)){
             transMsg();
         }else {