diff --git a/TrainInfomationProviderService/Program.cs b/TrainInfomationProviderService/Program.cs
index bfe4850..d2c8a62 100644
--- a/TrainInfomationProviderService/Program.cs
+++ b/TrainInfomationProviderService/Program.cs
@@ -30,7 +30,17 @@ namespace TrainInfomationProviderService
 		public static void WebLoader()
 		{
 			RouteTable.Routes.MapRoute("traintransit", "tt/{action}/{id}", new { area = "", controller = "Transit", id = UrlParameter.Optional }, new { action = "(keepalive|ls|ss|tor|dt)" }, new[] { "TrainInfomationProviderService.Web" });
-			Task.Run(() => Main(new string[0]));
+			Task.Run(() =>
+			{
+				try
+				{
+					Main(new string[0]);
+				}
+				catch (Exception ex)
+				{
+					File.WriteAllText(HostingEnvironment.MapPath("~/err.log"), ex.ToString());
+				}
+			});
 
 			var keepAliveUrl = ConfigurationManager.AppSettings["12306_keepaliveurl"];
 			if (!string.IsNullOrEmpty(keepAliveUrl))
diff --git a/TrainInfomationProviderService/TrainInfo/Entities/TrainInfoStorage.cs b/TrainInfomationProviderService/TrainInfo/Entities/TrainInfoStorage.cs
index 6997f46..cc74992 100644
--- a/TrainInfomationProviderService/TrainInfo/Entities/TrainInfoStorage.cs
+++ b/TrainInfomationProviderService/TrainInfo/Entities/TrainInfoStorage.cs
@@ -65,7 +65,7 @@ namespace TrainInfomationProviderService.TrainInfo.Entities
 			//load data
 			var store = TrainInfoManager.Instance.DataStore.TrainData;
 
-			Trains = HashStore.Select(s => store[s]).ToList();
+			Trains = HashStore.Select(s => store.GetValue(s)).ExceptNull().ToList();
 			TrainsCodeMap = Trains.GroupBy(s => s.Code).ToDictionary(s => s.Key, s =>
 			{
 				var arr = s.ToArray();
diff --git a/TrainInfomationProviderService/Web/Controllers/TransitController.cs b/TrainInfomationProviderService/Web/Controllers/TransitController.cs
index 2caf31d..9a44915 100644
--- a/TrainInfomationProviderService/Web/Controllers/TransitController.cs
+++ b/TrainInfomationProviderService/Web/Controllers/TransitController.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Text;
 using System.Web.Mvc;
 using FSLib.MvcWeb;
 using Newtonsoft.Json;
@@ -29,6 +30,15 @@ namespace TrainInfomationProviderService.Web.Controllers
 
 		#endregion
 
+		[ActionName("ls2")]
+		public ActionResult LogSameStation2(string data)
+		{
+			if (string.IsNullOrEmpty(data))
+				return null;
+
+			return LogSameStation(Encoding.UTF8.GetString(Convert.FromBase64String(data)));
+		}
+
 		[ActionName("ls")]
 		public ActionResult LogSameStation(string data)
 		{