每月最后一天统计上月有效wifi逻辑调整

AppStart/WifiCheckHelper.cs

@@ -28,7 +28,7 @@ public class WifiCheckHelper
         {
             try
             {
-                if(DateTime.Now.AddMonths(1).Day == 1 && DateTime.Now.Hour > 22)
+                if(DateTime.Now.AddDays(2).Day == 1 && DateTime.Now.Hour > 14)
                 {
                     DoSomething();
                 }