fix：mysql时间范围问题

src/SJZY.Track.Application/Services/ProvideServices/OrderService.cs

@@ -133,8 +133,8 @@ public partial class OrderService : ApplicationService, IOrderService
             EndTrackCode = x.EndCode ?? GlobalConst.EmptyString,
             SilenceBeforeStart = x.SilenceTime,
             SilenceAfterEnd = x.StopTime,
-            StartTime = DateTime.MaxValue,
-            EndTime = DateTime.MaxValue,
+            StartTime = GlobalConst.MaxDateTime,
+            EndTime = GlobalConst.MaxDateTime,
         }).ToList();
     }
 }

src/SJZY.Track.Domain/Consts/GlobalConst.cs

@@ -11,4 +11,6 @@ public partial class GlobalConst
     public const float NoneTrackTimeZone = 99999;
 
     public const string SuccessCode = "200";
+
+    public static DateTime MaxDateTime = new DateTime(2999, 1, 1, 0, 0, 0);
 }