iailab-module-data/iailab-module-data-biz/src/main/java/com/iailab/module/data/api/point/DataPointApiImpl.java

@@ -112,6 +112,7 @@
            endTime = calendar.getTime();
        }
        if (startTime == null) {
            calendar.setTime(endTime);
            calendar.add(Calendar.HOUR_OF_DAY, -1);
            startTime = calendar.getTime();
        }