fix 简化代码

Src/Dlhis.Basic/ParallelExtensions.cs

@@ -4,6 +4,13 @@ public static class ParallelExtensions
 {
     public static void ParallelForEach<T>(this IEnumerable<T> source, Action<T> action)
     {
+#if DEBUG
+        foreach (var item in source)
+        {
+            action.Invoke(item);
+        }
+#else
         Parallel.ForEach(source, new ParallelOptions { MaxDegreeOfParallelism = Environment.ProcessorCount }, action);
+#endif
     }
 }