feat(message):增加无参构造函数

Author: leanfish2011

dev-core/src/main/java/com/tim/exception/UnifiedExceptionHandler.java

@@ -21,7 +21,7 @@ public class UnifiedExceptionHandler {
   @ResponseBody
   @ExceptionHandler(Exception.class)
   public Message runTimeExceptionHandler(Exception ex) {
-    log.error("内部异常：{}", ex.getMessage());
+    log.error("系统异常：{}", ex.getMessage());
     return Message.error(ex.getMessage());
   }
 

dev-core/src/main/java/com/tim/message/Message.java

@@ -26,6 +26,9 @@ public class Message<T> {
    */
   private T data;
 
+  public Message() {
+  }
+
   public Message(Integer code, String msg) {
     this.code = code;
     this.msg = msg;