diff --git a/DOAN.Admin.WebApi/Controllers/MES/dev/DeviceDowntimeRecordController.cs b/DOAN.Admin.WebApi/Controllers/MES/dev/DeviceDowntimeRecordController.cs
index 72dda92..237ad00 100644
--- a/DOAN.Admin.WebApi/Controllers/MES/dev/DeviceDowntimeRecordController.cs
+++ b/DOAN.Admin.WebApi/Controllers/MES/dev/DeviceDowntimeRecordController.cs
@@ -6,6 +6,7 @@ using DOAN.Admin.WebApi.Filters;
 
 using DOAN.Model.MES.dev;
 using Infrastructure.Converter;
+using DOAN.Model.mes.echarts;
 
 namespace DOAN.Admin.WebApi.Controllers
 {
@@ -114,6 +115,32 @@ namespace DOAN.Admin.WebApi.Controllers
         }
 
 
+        #region  设备停机时间BI
+
+
+        //TODO  每月停机时间柱状图
+
+        /// <summary>
+        /// 每月停机时间柱状图
+        /// </summary>
+        /// <returns></returns>
+        public IActionResult  GetDeviceDowntimeRecordMonthBarChart()
+        {
+
+            EchartsOptions response = _DeviceDowntimeRecordService.GetDeviceDowntimeRecordMonthBarChart();
+            //TODO  每月停机时间柱状图
+            return ToResponse(new ApiResult((int)ResultCode.SUCCESS, "每月停机时间柱状图"));
+        }
+
+
+        //TODO  停机原因TOP3
+
+
+
+
+        #endregion
+
+
 
 
     }
diff --git a/DOAN.Service/MES/dev/DeviceDowntimeRecordService.cs b/DOAN.Service/MES/dev/DeviceDowntimeRecordService.cs
index 1bef797..e2c8c95 100644
--- a/DOAN.Service/MES/dev/DeviceDowntimeRecordService.cs
+++ b/DOAN.Service/MES/dev/DeviceDowntimeRecordService.cs
@@ -4,6 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using DOAN.Model;
+using DOAN.Model.mes.echarts;
 using DOAN.Model.MES.dev;
 using DOAN.Model.MES.dev.Dto;
 using DOAN.Model.System;
@@ -126,5 +127,58 @@ namespace DOAN.Service.MES.dev
             //return response;
             return Update(model, true);
         }
+
+
+
+        public EchartsOptions GetDeviceDowntimeRecordMonthBarChart()
+        {
+            var result = Context.Queryable<DeviceDowntimeRecord>()
+                 .Where(x => x.Downdate != null && x.ConsumeTime != null)
+                 .GroupBy(x => new
+                 {
+                     Year = x.Downdate.Value.Year,
+                     Month = x.Downdate.Value.Month
+                 })
+                 .Select(x => new
+                 {
+                     Year = x.Downdate.Value.Year,
+                     Month = x.Downdate.Value.Month,
+                     TotalDowntime = SqlFunc.AggregateSum(x.ConsumeTime.Value)
+                 })
+                 .OrderByDescending(x => x.Year)
+                 .OrderByDescending(x => x.Month)
+                 .Take(24)
+                 .MergeTable()
+                 .OrderBy(x => x.Year)
+                .OrderBy(x => x.Month)
+                .Select(x => new EchartsSeriesData
+                {
+                    Name = $"{x.Year}-{x.Month.ToString().PadLeft(2, '0')}",
+                    Value= x.TotalDowntime
+                })
+                 .ToList();
+
+
+            var echartsOptions = new EchartsOptions
+            {
+                Title = new EchartsTitle("设备停机时间统计", "按月统计停机时间"),
+                XAxis = new EchartsXAxis
+                {
+                    Type = "category",
+                    Data = result.Select(x=>x.Name).ToList(),
+                },
+                YAxis = new EchartsYAxis { Type = "value" },
+                Series = new List<EchartsSeries>
+                {
+                    new EchartsSeries
+                    {
+                        Name = "停机时间",
+                        Type = "bar",
+                        Data = result
+                    }
+                }
+            };
+            return echartsOptions;
+        }
     }
 }
diff --git a/DOAN.Service/MES/dev/IService/IDeviceDowntimeRecordService.cs b/DOAN.Service/MES/dev/IService/IDeviceDowntimeRecordService.cs
index 2edb03e..c1975fb 100644
--- a/DOAN.Service/MES/dev/IService/IDeviceDowntimeRecordService.cs
+++ b/DOAN.Service/MES/dev/IService/IDeviceDowntimeRecordService.cs
@@ -3,6 +3,7 @@ using DOAN.Model.MES.dev;
 using DOAN.Model.MES.dev.Dto;
 using System.Collections.Generic;
 using DOAN.Model;
+using DOAN.Model.mes.echarts;
 
 namespace DOAN.Service.MES.dev.IService
 {
@@ -21,5 +22,7 @@ namespace DOAN.Service.MES.dev.IService
 
         int UpdateDeviceDowntimeRecord(DeviceDowntimeRecord parm);
 
+        EchartsOptions GetDeviceDowntimeRecordMonthBarChart();
+
     }
 }