apieceofcaken

Results 2 issues of apieceofcaken

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@GavinYellow 在DataService的Condition.cs中,LevelAlarm类的CheckAlarm方法低限告警代码块第705行,此处deadBand判断应该为小于符号 ![image](https://user-images.githubusercontent.com/22708157/139186504-1f281141-056d-43c5-996e-393acd7a8083.png) `else if (_deadBand > 0 && ActiveSubCondition == condition.SubAlarmType && value < condition.Threshold + _deadBand)`