修改

ConsoleApp2/Services/MySqlDestination.cs

@@ -109,6 +109,10 @@ public partial class MySqlDestination : IDisposable, IAsyncDisposable
         var sb = new StringBuilder();
         foreach (var (tableName, records) in tableRecords)
         {
+            if (tableName == "order_process_step")
+            {
+                var a = 1;
+            }
             if (records.Count == 0)
                 continue;
             

ConsoleApp2/Services/ProcessContext.cs

@@ -1,4 +1,6 @@
-namespace ConsoleApp2.Services;
+using System.Collections.Concurrent;
+
+namespace ConsoleApp2.Services;
 
 /// <summary>
 /// 处理上下文类，标识处理进度
@@ -8,7 +10,8 @@ public class ProcessContext
     private int _inputCount;
     private int _transformCount;
     private int _outputCount;
-    private IList<Exception> _exceptionList = new List<Exception>();
+    private int _finishedTaskCount;
+    private ConcurrentBag<Exception> _exceptionList = new ConcurrentBag<Exception>();
     public bool IsInputCompleted { get; private set; }
     public bool IsTransformCompleted { get; private set; }
     public bool IsOutputCompleted { get; private set; }
@@ -34,7 +37,13 @@ public class ProcessContext
     {
         _exceptionList.Add(ex);
     }
-    public IList<Exception> GetExceptions()
+
+    public void AddFinishTask() => Interlocked.Increment(ref _finishedTaskCount);
+    public int FinishTaskCount
+    {
+        get => _finishedTaskCount;
+    }
+    public ConcurrentBag<Exception> GetExceptions()
     {
         return _exceptionList;
     }