diff --git a/DOAN.Service/MES/dev/DeviceDowntimeRecordService.cs b/DOAN.Service/MES/dev/DeviceDowntimeRecordService.cs
index 370c90f..fa301e2 100644
--- a/DOAN.Service/MES/dev/DeviceDowntimeRecordService.cs
+++ b/DOAN.Service/MES/dev/DeviceDowntimeRecordService.cs
@@ -153,7 +153,7 @@ namespace DOAN.Service.MES.dev
                 .OrderBy(x => x.Month)
                 .Select(x => new EchartsSeriesData
                 {
-                    Name = $"{x.Year}-{x.Month.ToString().PadLeft(2, '0')}",
+                    Name = $"{x.Year}-{x.Month}",
                     Value= x.TotalDowntime
                 })
                  .ToList();