fix:灵田修正

NapCatRobotClient/NapCatRobotClient.Service/Group/TextProcess/LingTianProcess.cs

@@ -82,7 +82,7 @@ namespace NapCatRobotClient.Service.Group.TextProcess
                         await RobotAPI.SendGroupText(request);
                     }
 
-                    var atData = JArray.Parse(message).FirstOrDefault(o => o["type"].ToString() == "at");
+                    var atData = JArray.Parse(json["message"].ToString()).FirstOrDefault(o => o["type"].ToString() == "at");
                     if (atData is not null)
                     {
                         ScheduleNextNotify(groupId, atData["data"]["qq"].ToString());