diff --git a/stormchat-client-csharp/StormChatWPF/Chat.cs b/stormchat-client-csharp/StormChatWPF/Chat.cs
index 28a6405..b20173f 100644
--- a/stormchat-client-csharp/StormChatWPF/Chat.cs
+++ b/stormchat-client-csharp/StormChatWPF/Chat.cs
@@ -1,104 +1,101 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Interact;
-using System.Drawing;
-using System.Windows;
-using System.IO;
-
-namespace StormChatWPF
-{
-    class Chat
-    {
-        public static List<User> ContactsList;//联系人集合
-        public static Chat chat=new Chat();
-        private Chat()
-        {
-            StormClient.OnLoginDone += OnHaveLogin;
-            StormClient.OnGetUserListDone += OnGetContactsList;
-            StormClient.OnMessage +=OnMessage;//事件挂接
-            User.DefaultPhoto = new MemoryStream(File.ReadAllBytes(@"../../UI/Resources/默认头像.png"));//设定默认头像
-        }
-        internal static User CurrentContact { get; set; }//设置当前联系人对象
-        /// <summary>
-        /// 获取联系人列表(完成后打开主窗体)
-        /// </summary>
-        private void OnGetContactsList(ResultHead head, User[] users)
-        {
-            if (head.Error != "")
-            {
-                MessageBox.Show("无法获取联系人列表");
-                return;
-            }
-            App.Current.Dispatcher.Invoke(
-                (Action)delegate ()
-                {
-                    ContactsList = new List<User>(users);
-                    MainWindow mainWindow = new MainWindow();
-                    mainWindow.Show();
-                    LogWindow.Instence.Close();
-                });
-        }//获取联系人列表完成
-        private  void OnHaveLogin(ResultHead head, User user)
-        {
-                    if (head.Error == "")
-                    {                                                                                                                  
-                        User.Me = user;
-                        StormClient.QueueGetUserList();                       
-                    }
-                    else
-                    {
-                App.Current.Dispatcher.Invoke(
-                    (Action)delegate ()
-                    {
-                        LogWindow.Instence.Login_button.IsEnabled = true;
-                    });
-                        MessageBox.Show("请核对账号密码！");
-                    }
-        }//登录完成
-        private  void OnMessage(Message message)
-        {
-            if (MainWindow.Instence != null)
-            {
-                MainWindow.Instence.ShowMessage(message);
-            }
-        }//接受到新消息
-
-        internal void SendMessage(string text,User target)
-        {
-            Message msg = new Message(text,target);
-            Action<ResultHead> f = delegate (ResultHead head)
-           {
-               MainWindow.Instence.ShowMessage(msg);
-           };
-            StormClient.QueueSendMessage(msg,f);
-        }//发送消息
-        internal static void Log(string user, string password)
-        {
-            if (StormClient.Initialize())
-            {
-                if (!StormClient.QueueLogin(user, password))
-                {
-                    App.Current.Dispatcher.Invoke(
-                    (Action)delegate ()
-                    {
-                        LogWindow.Instence.Login_button.IsEnabled = true;
-                    }); 
-                    MessageBox.Show("登录失败");
-                }
-            }
-            else
-            {
-                App.Current.Dispatcher.Invoke(
-                    (Action)delegate ()
-                    {
-                        LogWindow.Instence.Login_button.IsEnabled = true;
-                    });
-                MessageBox.Show("连接服务器失败！");
-            }
-        }//登录
-        
-    }
-}
+using System;
+using System.Collections.Generic;
+using Interact;
+using System.Windows;
+using System.IO;
+
+namespace StormChatWPF
+{
+    class Chat
+    {
+        public static List<User> ContactsList;//联系人集合
+        public static Chat chat=new Chat();
+        private Chat()
+        {
+            StormClient.OnLoginDone += OnHaveLogin;
+            StormClient.OnGetUserListDone += OnGetContactsList;
+            StormClient.OnMessage +=OnMessage;//事件挂接
+            User.DefaultPhoto = new MemoryStream(File.ReadAllBytes(@"../../UI/Resources/默认头像.png"));//设定默认头像
+        }
+        internal static User CurrentContact { get;
+            set; }//设置当前联系人对象
+        /// <summary>
+        /// 获取联系人列表(完成后打开主窗体)
+        /// </summary>
+        private void OnGetContactsList(ResultHead head, User[] users)
+        {
+            if (head.Error != "")
+            {
+                MessageBox.Show("无法获取联系人列表");
+                return;
+            }
+            App.Current.Dispatcher.Invoke(
+                (Action)delegate ()
+                {
+                    ContactsList = new List<User>(users);
+                    MainWindow mainWindow = new MainWindow();
+                    mainWindow.Show();
+                    LogWindow.Instence.Close();
+                });
+        }//获取联系人列表完成
+        private  void OnHaveLogin(ResultHead head, User user)
+        {
+                    if (head.Error == "")
+                    {                                                                                                                  
+                        User.Me = user;
+                        StormClient.QueueGetUserList();                       
+                    }
+                    else
+                    {
+                App.Current.Dispatcher.Invoke(
+                    (Action)delegate ()
+                    {
+                        LogWindow.Instence.Login_button.IsEnabled = true;
+                    });
+                        MessageBox.Show("请核对账号密码！");
+                    }
+        }//登录完成
+        private  void OnMessage(Message message)
+        {
+            if (MainWindow.Instence != null)
+            {
+                MainWindow.Instence.ShowMessage(message);
+            }
+        }//接受到新消息
+
+        internal void SendMessage(string text,User target)
+        {
+            Message msg = new Message(text,target);
+            Action<ResultHead> f = delegate (ResultHead head)
+           {
+               MainWindow.Instence.ShowMessage(msg);
+           };
+            StormClient.QueueSendMessage(msg,f);
+        }//发送消息
+        internal static void Log(string user, string password)
+        {
+            if (StormClient.Initialize())
+            {
+                if (!StormClient.QueueLogin(user, password))
+                {
+                    App.Current.Dispatcher.Invoke(
+                    (Action)delegate ()
+                    {
+                        LogWindow.Instence.Login_button.IsEnabled = true;
+                    }); 
+                    MessageBox.Show("登录失败");
+                }
+            }
+            else
+            {
+                App.Current.Dispatcher.Invoke(
+                    (Action)delegate ()
+                    {
+                        LogWindow.Instence.Login_button.IsEnabled = true;
+                    });
+                MessageBox.Show("连接服务器失败！");
+            }
+        }//登录
+        
+    }
+}
diff --git a/stormchat-client-csharp/StormChatWPF/UI/ChatBubble.cs b/stormchat-client-csharp/StormChatWPF/UI/ChatBubble.cs
index d49d01e..12017e0 100644
--- a/stormchat-client-csharp/StormChatWPF/UI/ChatBubble.cs
+++ b/stormchat-client-csharp/StormChatWPF/UI/ChatBubble.cs
@@ -23,7 +23,7 @@ namespace StormChatWPF.UI
             VerticalAlignment = VerticalAlignment.Bottom
         };
         /// <summary>
-        /// 
+        /// 生成聊天气泡
         /// </summary>
         /// <param name="msg">传入消息体</param>
         /// <param name="alignment">设置水平对齐方式，参数为HorizontalAlignment枚举类型</param>