update

TEAMModelOS.SDK/Models/Service/LessonService.cs

@@ -95,6 +95,10 @@ namespace TEAMModelOS.SDK.Models.Service
             {
                 dict.Add(">.expire", 0);
             }
+            if (request.TryGetProperty("is404", out JsonElement is404) && is404.ValueKind.Equals(JsonValueKind.True))
+            {
+                dict.Add("=.status", 404);
+            }
             if (request.TryGetProperty("month", out JsonElement month) && month.GetBoolean())
             {
                 //DateTime dateTimeA = Convert.ToDateTime(DateTimeOffset.UtcNow.ToString("D"));