diff --git a/PCRobot/PCRobotForm.cs b/PCRobot/PCRobotForm.cs
index ede3330..9a8940e 100644
--- a/PCRobot/PCRobotForm.cs
+++ b/PCRobot/PCRobotForm.cs
@@ -169,7 +169,7 @@ namespace PCRobot
             { }
         }
 
-        List<string> userNameList = new List<string>() { "gh_3dfda90e39d6", "gh_7aac992b0363" };
+        List<string> userNameList = new List<string>() { "gh_3dfda90e39d6"/*, "gh_7aac992b0363"*/ };
 
         private Dictionary<string, bool> PublicUserCache = new Dictionary<string, bool>();
 
@@ -179,7 +179,7 @@ namespace PCRobot
         {
             while (true)
             {
-                Thread.Sleep(1000 * 60 * new Random(Guid.NewGuid().GetHashCode()).Next(8, 12));
+                Thread.Sleep(1000 * 60 * new Random(Guid.NewGuid().GetHashCode()).Next(5, 10));
                 StringBuilder sb = new StringBuilder();
                 try
                 {
@@ -212,7 +212,9 @@ namespace PCRobot
                                 var robot = client as Wechat_Xiaoxie;
                                 if (robot != null)
                                 {
-                                    var index = new Random(Guid.NewGuid().GetHashCode()).Next(0, userNameList.Count);
+                                    //var index = new Random(Guid.NewGuid().GetHashCode()).Next(0, userNameList.Count);
+                                    //var index = new Random(Guid.NewGuid().GetHashCode()).Next(0, userNameList.Count);
+                                    var index = 0;
                                     var username = userNameList[index];
 
                                     if (username.StartsWith("gh_", StringComparison.CurrentCultureIgnoreCase))