diff --git a/c#/LogUtils.cs b/c#/LogUtils.cs
new file mode 100644
index 0000000000000000000000000000000000000000..0389eadc5688c9a7754ff732129ef83fcec1b403
--- /dev/null
+++ b/c#/LogUtils.cs
@@ -0,0 +1,39 @@
+using System;
+
+namespace Grab
+{
+    public class LogUtils
+    {
+        /// <summary>
+        /// 本地log
+        /// </summary>
+        /// <param name="log"></param>
+        /// <param name="type"></param>
+        public static void WriteLog(String log, String type = "info")
+        {
+            try
+            {
+                string path = AppDomain.CurrentDomain.BaseDirectory + "/log/";
+                DirectoryInfo info = new DirectoryInfo(path);
+                if (!info.Exists) {
+                    info.Create();
+                }
+                StreamWriter sw;
+                FileInfo fi = new FileInfo(path + type + "_" + DateTime.Now.ToString("yyyyMMdd") + ".log");
+                if (!fi.Exists) {
+                    sw = fi.CreateText();
+                } else {
+                    sw = File.AppendText(fi.FullName);
+                }
+                sw.WriteLine("================" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "================");
+                sw.WriteLine(log);
+                sw.Close();
+                sw.Dispose();
+            }
+            catch (Exception e)
+            {
+            }
+        }
+      
+    }
+}