修复获取cachekey错误问题

output使用ThreadPool.QueueUserWorkItem

ConsoleApp2/Services/ProcessContext.cs

@@ -37,12 +37,6 @@ public class ProcessContext
     {
         _exceptionList.Add(ex);
     }
-
-    public void AddFinishTask() => Interlocked.Increment(ref _finishedTaskCount);
-    public int FinishTaskCount
-    {
-        get => _finishedTaskCount;
-    }
     public ConcurrentBag<Exception> GetExceptions()
     {
         return _exceptionList;