2022-01-12 1.修复计算溢出问题，无法写配置问题

JLChen

2022-01-12 56bbd33ccbc6ddc457bf96b7a6842f9a07aebbe7

 Crabtree/SmartHome/UI/SimpleControl/Phone/Guide/GuideAddResidence.cs

@@ -526,6 +526,7 @@
                    addGatewayDialog.ShowPage (home);//guidePageView
                    UserMiddle.guidePageView.PageIndex = 1;
                } else {
                    EditResidence (home, etZoneName.Text.Trim ());
                    UserMiddle.SettingPageView.AddChidren (addGatewayDialog);
                    addGatewayDialog.ShowPage (home);
                    UserMiddle.SettingPageView.PageIndex = 2;