update .

TEAMModelOS.SDK/Models/Service/LessonService.cs

@@ -103,7 +103,7 @@ namespace TEAMModelOS.SDK.Models.Service
                 dict.Add("=.status", 404);
             }
             //只查有效的
-            if (request.TryGetProperty("isOk", out JsonElement isOk) && is404.ValueKind.Equals(JsonValueKind.True))
+            if (request.TryGetProperty("isOk", out JsonElement isOk) && isOk.ValueKind.Equals(JsonValueKind.True))
             {
                 dict.Add("<=.expire", 0);
                 dict.Add("!=.status", 404);