diff --git a/c#/UpdateBug.cs b/c#/UpdateBug.cs
new file mode 100644
index 0000000000000000000000000000000000000000..d4a878047433b554526aba6eb22b0e7bd10736c7
--- /dev/null
+++ b/c#/UpdateBug.cs
@@ -0,0 +1,16 @@
+try
+{
+    if(args.IsNull())
+    {
+        return "参数不能为空";
+    }
+    if(args.Id <= 0)
+    {
+        return "Id不能为空";
+    }
+    var info = _people.Get(args.Id);
+    if(info != null)
+    {
+        info.Id = args.Id; // 更新人员Id也更新了
+    }
+}
\ No newline at end of file