2021-07-09 1.告警消息相关接口替换，改为河东管理

JLChen

2021-07-09 954202b30a4685177ace5189c4d835fcc7903e70

 HDL_ON/Common/Constant.cs

@@ -264,6 +264,10 @@
        /// 安防报警
        /// </summary>
        SecurityAlarm,
        /// <summary>
        /// HDL可视对讲
        /// </summary>
        HDL_INTERPHONE,
    }

    /// <summary>