fix send adventure fail (#176)

Author: vinaghost

MainCore/Tasks/Update/UpdateAdventures.cs

@@ -72,7 +72,7 @@ private void NextExecute()
 
             int sec = int.Parse(timer.GetAttributeValue("value", "0"));
             if (sec < 0) sec = 0;
-            ExecuteAt = DateTime.Now.AddSeconds(sec * 2);
+            ExecuteAt = DateTime.Now.AddSeconds(sec * 2 + Random.Shared.Next(20, 40));
         }
     }
 }

MainCore/Tasks/Update/UpdateInfo.cs

@@ -151,10 +151,13 @@ private void UpdateHeroInfo()
             var adventures = context.Adventures.Count(x => x.AccountId == AccountId);
             if (numberAdventure == 0)
             {
-                var heroAdventures = context.Adventures.Where(x => x.AccountId == AccountId).ToList();
+                if (adventures != 0)
+                {
+                    var heroAdventures = context.Adventures.Where(x => x.AccountId == AccountId).ToList();
 
-                context.Adventures.RemoveRange(heroAdventures);
-                context.SaveChanges();
+                    context.Adventures.RemoveRange(heroAdventures);
+                    context.SaveChanges();
+                }
             }
             else if (adventures != numberAdventure)
             {