bug fix

src/main/java/com/huiju/estateagents/base/ResponseBean.java

     private String message;
     private T data;
 
+    public ResponseBean() {
+        code = ResponseBean.CODE_SUCCESS;
+    }
+
     public static <T> ResponseBean success(T data, String ...msgs) {
         ResponseBean responseBean = new ResponseBean();
         responseBean.code = ResponseBean.CODE_SUCCESS;