设备最大值，最小值，平均值小时统计任务

jinpengyong

2021-12-22 ebaaac167a229dd2d9115478e17bc46b7f7afb5f

 screen-manage/src/main/java/com/moral/api/util/CompareFieldUtils.java

@@ -70,7 +70,7 @@
                else
                    result.setNewData(newDataObj.toString());

                if(oldDataObj==null)
                if(oldDataObj==null||oldDataObj.equals(""))
                    result.setOldData("null");
                else
                    result.setOldData(oldDataObj.toString());