fixed: pgsql datetime timezone

src/Sharing.Api/StartupExtensions.cs

@@ -74,6 +74,8 @@ internal static class StartupExtensions
 
         //sqlsugar
         services.AddSqlSugar(configuration, "Sharing");
+        AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
+        AppContext.SetSwitch("Npgsql.DisableDateTimeInfinityConversions", true);
 
         //cache
         services.AddCache(d =>