fixed: plotfinish,返回值null

Gameserver/Amfphp/process/TaskProc.php

@@ -541,7 +541,7 @@ class TaskProc {
 
     static function OnPlotOver($gate_or_npc_id, $stage) {
         $taskParam = new TaskParams(EnumTaskType::PlotOver, $gate_or_npc_id, "$stage");
-        self::CheckTaskCardConditions($taskParam);
+        return self::CheckTaskCardConditions($taskParam);
     }
 
     //