ParamException异常添加参数接收

src/main/java/com/wangxiaolu/promotion/exception/ParamException.java

@@ -20,6 +20,11 @@ public class ParamException extends RuntimeException{
         this.msg = statusCode.getMsg();
     }
 
+    public ParamException(StatusCode statusCode) {
+        this.code = statusCode.getCode();
+        this.msg = statusCode.getMsg();
+    }
+
     /**
      * 默认异常编码
      */