diff --git a/HT.Cloud.Service/ChartsManage/HistoryChartsService.cs b/HT.Cloud.Service/ChartsManage/HistoryChartsService.cs
index 25f818f..71485dc 100644
--- a/HT.Cloud.Service/ChartsManage/HistoryChartsService.cs
+++ b/HT.Cloud.Service/ChartsManage/HistoryChartsService.cs
@@ -24,13 +24,35 @@ namespace HT.Cloud.Service.ChartsManage
         {
         }
 
-        public async Task<string> GetDriverGroupList()
-        {
-            var list_group = _context.Queryable<MetaGroupEntity>().ToList();
-            return list_group.ToJson();
-        }
+		public async Task<string> GetDriverGroupList()
+		{
+			List<GroupNameList> subsystems = new List<GroupNameList>();
+			var list_group = _context.Queryable<MetaGroupEntity>().ToList();
+			int i = 0;
+			foreach (var group in list_group)
+			{
+				subsystems.Add(new GroupNameList() { Lable = "a" + i, Value = group.GroupDescription });
+				i++;
+			}
+			return subsystems.ToJson();
+		}
 
-        public async Task<string> GetAllSubsystemTag()
+		public async Task<string> GetGroupSubsystemTag(string groupDescription)
+		{
+			List<SubsysytemNameList> subsystems = new List<SubsysytemNameList>();
+            var groupId = _context.Queryable<MetaGroupEntity>().Where(x => x.GroupDescription == groupDescription).First().GroupID;
+			var grouped = _context.Queryable<MetaTagEntity>().ToList().Where(x=>x.GroupID==groupId);
+			List<string> list_name_two = grouped.Select(t => t.Subsystem).GroupBy(c => c).Select(c => c.First()).ToList();
+			int i = 0;
+			foreach (var Meta_Tag in list_name_two)
+			{
+				subsystems.Add(new SubsysytemNameList() { Lable = "a" + i, Value = Meta_Tag });
+				i++;
+			}
+			return subsystems.ToJson();
+		}
+
+		public async Task<string> GetAllSubsystemTag()
         {
             List<SubsysytemNameList> subsystems = new List<SubsysytemNameList>();
             var grouped = _context.Queryable<MetaTagEntity>().ToList();
@@ -44,11 +66,12 @@ namespace HT.Cloud.Service.ChartsManage
             return subsystems.ToJson();
         }
 
-        public async Task<string> GetSubsystemAllTag(string subsysytemName)
+        public async Task<string> GetSubsystemAllTag(string subsysytemName,string groupDescription)
         {
             
             var subsysname = subsysytemName;
-            var response = _context.Queryable<MetaTagEntity>().Where(x => x.Subsystem == subsysname).Select(x => new { x.TagID, x.Description, x.Units }).ToList();
+			var groupId = _context.Queryable<MetaGroupEntity>().Where(x => x.GroupDescription == groupDescription).First().GroupID;
+			var response = _context.Queryable<MetaTagEntity>().Where(x => x.Subsystem == subsysname&&x.GroupID == groupId).Select(x => new { x.TagID, x.Description, x.Units }).ToList();
             var reList = new List<SubAllTagReturn>();
             foreach (var subsystem in response)
             {
@@ -95,8 +118,12 @@ namespace HT.Cloud.Service.ChartsManage
             public string Lable { get; set; }
             public string Value { get; set; }
         }
-
-        public class SubAllTagReturn
+		private class GroupNameList
+		{
+			public string Lable { get; set; }
+			public string Value { get; set; }
+		}
+		public class SubAllTagReturn
         {
             //x.TagID, x.Description, x.Units
             public short TagID { get; set; }
diff --git a/HT.Cloud.Service/ReportManage/MetaTagAlarmService.cs b/HT.Cloud.Service/ReportManage/MetaTagAlarmService.cs
index e4b42ee..d10aaeb 100644
--- a/HT.Cloud.Service/ReportManage/MetaTagAlarmService.cs
+++ b/HT.Cloud.Service/ReportManage/MetaTagAlarmService.cs
@@ -6,6 +6,7 @@ using System;
 using System.Collections.Generic;
 using System.Data;
 using System.Linq;
+using System.Reflection.PortableExecutable;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -16,7 +17,19 @@ namespace HT.Cloud.Service.ReportManage
         public MetaTagAlarmService(ISqlSugarClient context) : base(context)
         {
         }
-        public async Task<string> GetAllSubsystemTag()
+		public async Task<string> GetDriverGroupList()
+		{
+			List<GroupNameList> subsystems = new List<GroupNameList>();
+			var list_group = _context.Queryable<MetaGroupEntity>().ToList();
+            int i = 0;
+			foreach (var group in list_group)
+			{
+				subsystems.Add(new GroupNameList() { Lable = "a" + i, Value = group.GroupDescription});
+				i++;
+			}
+			return subsystems.ToJson();
+		}
+		public async Task<string> GetAllSubsystemTag()
         {
             List<SubsysytemNameList> subsystems = new List<SubsysytemNameList>();
             var grouped = repository.IQueryable().ToList();
@@ -166,7 +179,12 @@ namespace HT.Cloud.Service.ReportManage
             public string Lable { get; set; }
             public string Value { get; set; }
         }
-        private class SubAllTagReturn
+		private class GroupNameList
+		{
+			public string Lable { get; set; }
+			public string Value { get; set; }
+		}
+		private class SubAllTagReturn
         {
             //x.TagID, x.Description, x.Units
             public short TagID { get; set; }
diff --git a/HT.Cloud.Web/Areas/ChartsManage/Controllers/HistoryChartsController.cs b/HT.Cloud.Web/Areas/ChartsManage/Controllers/HistoryChartsController.cs
index 8192239..30df69b 100644
--- a/HT.Cloud.Web/Areas/ChartsManage/Controllers/HistoryChartsController.cs
+++ b/HT.Cloud.Web/Areas/ChartsManage/Controllers/HistoryChartsController.cs
@@ -10,6 +10,7 @@ using Microsoft.AspNetCore.Authorization;
 using HT.Cloud.Service.ChartsManage;
 using HT.Cloud.Service.ReportManage;
 using Serenity.Services;
+using HT.Cloud.Domain.DevicesManage;
 
 namespace HT.Cloud.Web.Areas.ChartsManage.Controllers
 {
@@ -23,17 +24,22 @@ namespace HT.Cloud.Web.Areas.ChartsManage.Controllers
     {
         public HistoryChartsService _historyChartsService { get;set;}
 
-        [HttpGet]
-        public async Task<ActionResult> GetDriverGroupList()
-        {
-            //var StartTime = reportparam.StartTime.ToString("yyyy-MM-dd HH:mm:ss");
-            //var EndTime = reportparam.EndTime.ToString("yyyy-MM-dd HH:mm:ss");
 
-            var data = await _historyChartsService.GetDriverGroupList();
-            return Content(data);
-        }
 
-        [HttpGet]
+		[HttpGet]
+		public async Task<ActionResult> GetDriverGroupList()
+		{
+			var data = await _historyChartsService.GetDriverGroupList();
+			return Content(data);
+		}
+		[HttpPost] 
+		public async Task<ActionResult> GetGroupSubsystemTag(ChartGroupDescription chartGroupDescription)
+		{
+
+			var data = await _historyChartsService.GetGroupSubsystemTag(chartGroupDescription.GroupDescription);
+			return Content(data);
+		}
+		[HttpGet]
         public async Task<ActionResult> GetAllSubsystemTag()
         {
             
@@ -44,7 +50,7 @@ namespace HT.Cloud.Web.Areas.ChartsManage.Controllers
         [HttpPost]
         public async Task<ActionResult> GetSubsystemAllTag(ChartSubsysytemName chartSubsysytemName)
         {
-            var data = await _historyChartsService.GetSubsystemAllTag(chartSubsysytemName.SubsysytemName);
+            var data = await _historyChartsService.GetSubsystemAllTag(chartSubsysytemName.SubsysytemName, chartSubsysytemName.GroupDescription);
             return Content(data);
         }
 
@@ -84,10 +90,17 @@ namespace HT.Cloud.Web.Areas.ChartsManage.Controllers
 
         public class ChartSubsysytemName
         {
-            public string SubsysytemName { get; set; }
-        }
+			public string GroupDescription { get; set; }
+			public string SubsysytemName { get; set; }
 
-        public class HDATETIMEVALUE
+        }
+		public class ChartGroupDescription
+		{
+			public string GroupDescription { get; set; }
+		}
+		
+
+		public class HDATETIMEVALUE
         {
             public String HDATETIME { get; set; }
             public decimal VALUE { get; set; }
diff --git a/HT.Cloud.Web/Areas/ChartsManage/Views/HistoryCharts/Index.cshtml b/HT.Cloud.Web/Areas/ChartsManage/Views/HistoryCharts/Index.cshtml
index e39f66c..99a18e9 100644
--- a/HT.Cloud.Web/Areas/ChartsManage/Views/HistoryCharts/Index.cshtml
+++ b/HT.Cloud.Web/Areas/ChartsManage/Views/HistoryCharts/Index.cshtml
@@ -312,7 +312,9 @@
 			} else { }
 		});
 
-		GetAllSubsystemTag();
+		GetDriverGroupList();
+
+		//GetAllSubsystemTag();
 
         var starttime = new Date(new Date().setHours(0, 0, 0, 0));
         var starttimeString = starttime.getFullYear() + "-" + parseInt(starttime.getMonth() + 1) + "-" + starttime.getDate() + " " + (starttime.getHours()) + ":" + starttime.getMinutes() + ":" + starttime.getSeconds();
@@ -385,7 +387,57 @@
 		}
 
 		var StaticSelectTagList = new Array();
-		//获取所有子系统列表ok
+		//获取所有变量组
+		async function GetDriverGroupList() {
+			debugger;
+			$.ajax({
+				url: "/ChartsManage/HistoryCharts/GetDriverGroupList",
+				type: "Get",
+				success: function (redata) {
+					debugger;
+					var listsubsysname = JSON.parse(redata);
+					$('#groupselect').combobox({
+						data: listsubsysname,
+						valueField: 'Lable',
+						textField: 'Value',
+						value :'请选择系统',
+						checkOnSelect: true,
+						selectOnCheck: true
+					});
+					$('#subsystemselect').combobox({
+						
+						value: '请先选择系统',
+					});
+				}
+			});
+		}
+		var StaticGroupDescription = "";
+		updateGroupSelect = async function (data) {
+			StaticGroupDescription = data.Value;
+			var para = { "GroupDescription": data.Value }
+			//var subsystemAllTag = await Call(api.DataHistoryCharts.GetSubsystemAllTag, para);
+			debugger;
+			$.ajax({
+				url: "/ChartsManage/HistoryCharts/GetGroupSubsystemTag",
+				type: "Post",
+				//dataType: "json",
+				data: para,
+				success: function (redata) { 
+					var listsubsysname = JSON.parse(redata);
+					$('#subsystemselect').combobox({
+						data: listsubsysname,
+						valueField: 'Lable',
+						textField: 'Value',
+						value: '请选择子系统',
+						checkOnSelect: true,
+						selectOnCheck: true
+					});
+				}
+			});
+			
+
+		}
+		//获取所有子系统列表ok 废弃
 		async function GetAllSubsystemTag() {
 			debugger;
 			$.ajax({
@@ -410,7 +462,8 @@
 		}
 		//获取选中子系统tag
 		updateSelect = async function (data) {
-			var para = { "SubsysytemName": data.Value }
+			//var groupDescription = ('#groupselect').combobox().getValue();
+			var para = { "GroupDescription": StaticGroupDescription, "SubsysytemName": data.Value }
 			//var subsystemAllTag = await Call(api.DataHistoryCharts.GetSubsystemAllTag, para);
 			debugger;
 			myajax = $.ajax({
@@ -772,6 +825,8 @@
 					@*<ul id="dataTree" class="dtree" data-id="0"></ul>*@
 					<div id="aleft" style="float:left;width:100%;height:100%">
 						<div class="easyui-panel" title="选择设备信息" style="width:100%;height:100%">
+							<div class="easyui-combobox" id="groupselect" name="group" data-options="onSelect:function(rec){updateGroupSelect(rec)}" style="width:100%;height:40px">
+							</div>
 							<div class="easyui-combobox" id="subsystemselect" name="state" data-options="onSelect:function(rec){updateSelect(rec)}" style="width:100%;height:40px">
 							</div>
 							<div class="easyui-datalist" id="subsystemTagList" title="变量列表" style="position: relative;width:100%;height:auto;overflow:auto;" data-options="
diff --git a/HT.Cloud.Web/Areas/ChartsManage/Views/Rtcharts/Index.cshtml b/HT.Cloud.Web/Areas/ChartsManage/Views/Rtcharts/Index.cshtml
index 799024f..c6d72d7 100644
--- a/HT.Cloud.Web/Areas/ChartsManage/Views/Rtcharts/Index.cshtml
+++ b/HT.Cloud.Web/Areas/ChartsManage/Views/Rtcharts/Index.cshtml
@@ -459,6 +459,8 @@
 					@*<ul id="dataTree" class="dtree" data-id="0"></ul>*@
 					<div id="aleft" style="float:left;width:100%;height:100%">
 						<div class="easyui-panel" title="选择设备信息" style="width:100%;height:100%">
+							<div class="easyui-combobox" id="groupselect" name="group" data-options="onSelect:function(rec){updateSelect(rec)}" style="width:100%;height:40px">
+							</div>
 							<div class="easyui-combobox" id="subsystemselect" name="state" data-options="onSelect:function(rec){updateSelect(rec)}" style="width:100%;height:40px">
 							</div>
 							<div class="easyui-datalist" id="subsystemTagList" title="变量列表" style="position: relative;width:100%;height:auto;overflow:auto;" data-options="
diff --git a/HT.Cloud.Web/Areas/ReportManage/Controllers/MetaTagAlarmController.cs b/HT.Cloud.Web/Areas/ReportManage/Controllers/MetaTagAlarmController.cs
index 922649a..79207ec 100644
--- a/HT.Cloud.Web/Areas/ReportManage/Controllers/MetaTagAlarmController.cs
+++ b/HT.Cloud.Web/Areas/ReportManage/Controllers/MetaTagAlarmController.cs
@@ -23,7 +23,14 @@ namespace HT.Cloud.Web.Areas.ReportManage.Controllers
     {
         public MetaTagAlarmService _metaTagAlarmService { get;set;}
 
-        [HttpGet]
+		[HttpGet]
+		public async Task<ActionResult> GetDriverGroupList()
+		{
+			var data = await _metaTagAlarmService.GetDriverGroupList();
+			return Content(data);
+		}
+
+		[HttpGet]
         public async Task<ActionResult> GetAllSubsystemTag()
         {