fix

DBHelper/DB.cs

@@ -143,7 +143,7 @@ namespace DBHelper
         {
             TransactionOptions transactionOptions = new TransactionOptions();
             transactionOptions.IsolationLevel = IsolationLevel.ReadCommitted;
-            transactionOptions.Timeout = new TimeSpan(0, 2, 0);
+            transactionOptions.Timeout = new TimeSpan(0, 10, 0);
             using (var trans = new TransactionScope(TransactionScopeOption.RequiresNew, transactionOptions))
             {
                 using (var db = new DB())