diff --git a/PolyChatApp/chatboxwidget.ui b/PolyChatApp/chatboxwidget.ui
index e6b325f..f693db3 100644
--- a/PolyChatApp/chatboxwidget.ui
+++ b/PolyChatApp/chatboxwidget.ui
@@ -93,13 +93,8 @@
             <item>
              <widget class="QComboBox" name="cbxFontSize">
               <property name="currentIndex">
-               <number>0</number>
+               <number>2</number>
               </property>
-              <item>
-               <property name="text">
-                <string>8</string>
-               </property>
-              </item>
               <item>
                <property name="text">
                 <string>10</string>
@@ -442,7 +437,7 @@
                </size>
               </property>
               <property name="shortcut">
-               <string>Return</string>
+               <string>Shift+Return</string>
               </property>
              </widget>
             </item>
diff --git a/PolyChatApp/chatlist.ui b/PolyChatApp/chatlist.ui
index 18da970..d8293df 100644
--- a/PolyChatApp/chatlist.ui
+++ b/PolyChatApp/chatlist.ui
@@ -28,17 +28,39 @@
         <property name="orientation">
          <enum>Qt::Horizontal</enum>
         </property>
-        <property name="sizeType">
-         <enum>QSizePolicy::Expanding</enum>
-        </property>
         <property name="sizeHint" stdset="0">
          <size>
-          <width>20</width>
+          <width>40</width>
           <height>20</height>
          </size>
         </property>
        </spacer>
       </item>
+      <item>
+       <widget class="QLabel" name="label_6">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="maximumSize">
+         <size>
+          <width>50</width>
+          <height>50</height>
+         </size>
+        </property>
+        <property name="text">
+         <string/>
+        </property>
+        <property name="pixmap">
+         <pixmap resource="resource.qrc">:/icon/icons/logo_fox.png</pixmap>
+        </property>
+        <property name="scaledContents">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
       <item>
        <widget class="QLabel" name="label">
         <property name="font">
@@ -57,37 +79,14 @@
         <property name="orientation">
          <enum>Qt::Horizontal</enum>
         </property>
-        <property name="sizeType">
-         <enum>QSizePolicy::Fixed</enum>
-        </property>
         <property name="sizeHint" stdset="0">
          <size>
-          <width>25</width>
+          <width>40</width>
           <height>20</height>
          </size>
         </property>
        </spacer>
       </item>
-      <item>
-       <widget class="QToolButton" name="btnNewChat">
-        <property name="text">
-         <string>...</string>
-        </property>
-        <property name="icon">
-         <iconset resource="resource.qrc">
-          <normaloff>:/icon/icons/plus.png</normaloff>:/icon/icons/plus.png</iconset>
-        </property>
-        <property name="iconSize">
-         <size>
-          <width>20</width>
-          <height>16</height>
-         </size>
-        </property>
-        <property name="autoRaise">
-         <bool>true</bool>
-        </property>
-       </widget>
-      </item>
      </layout>
     </widget>
    </item>
@@ -129,6 +128,41 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QToolButton" name="btnNewChat">
+        <property name="minimumSize">
+         <size>
+          <width>0</width>
+          <height>25</height>
+         </size>
+        </property>
+        <property name="maximumSize">
+         <size>
+          <width>16777215</width>
+          <height>25</height>
+         </size>
+        </property>
+        <property name="text">
+         <string>+</string>
+        </property>
+        <property name="icon">
+         <iconset resource="resource.qrc">
+          <normaloff>:/icon/icons/add.png</normaloff>:/icon/icons/add.png</iconset>
+        </property>
+        <property name="iconSize">
+         <size>
+          <width>20</width>
+          <height>25</height>
+         </size>
+        </property>
+        <property name="toolButtonStyle">
+         <enum>Qt::ToolButtonIconOnly</enum>
+        </property>
+        <property name="autoRaise">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>
@@ -143,7 +177,7 @@
         <x>0</x>
         <y>0</y>
         <width>334</width>
-        <height>493</height>
+        <height>470</height>
        </rect>
       </property>
       <attribute name="label">
@@ -155,9 +189,15 @@
    </item>
    <item>
     <widget class="QGroupBox" name="groupBox">
+     <property name="autoFillBackground">
+      <bool>false</bool>
+     </property>
      <property name="title">
       <string>Your info</string>
      </property>
+     <property name="flat">
+      <bool>false</bool>
+     </property>
      <layout class="QGridLayout" name="gridLayout">
       <item row="1" column="0">
        <widget class="QLabel" name="label_4">
@@ -172,10 +212,10 @@
         </property>
        </widget>
       </item>
-      <item row="0" column="0">
-       <widget class="QLabel" name="label_3">
+      <item row="0" column="1">
+       <widget class="QLabel" name="lbName">
         <property name="text">
-         <string>Name:</string>
+         <string>NO_NAME</string>
         </property>
        </widget>
       </item>
@@ -186,24 +226,24 @@
         </property>
        </widget>
       </item>
-      <item row="0" column="1">
-       <widget class="QLabel" name="lbName">
+      <item row="0" column="0">
+       <widget class="QLabel" name="label_3">
         <property name="text">
-         <string>name</string>
+         <string>Name:</string>
         </property>
        </widget>
       </item>
-      <item row="1" column="1">
-       <widget class="QLabel" name="lbGroupNumber">
+      <item row="2" column="1">
+       <widget class="QLabel" name="lbIP">
         <property name="text">
-         <string>XXXX/XXXXXX</string>
+         <string>000.000.0.0</string>
         </property>
        </widget>
       </item>
-      <item row="2" column="1">
-       <widget class="QLabel" name="lbIP">
+      <item row="1" column="1">
+       <widget class="QLabel" name="lbGroupNumber">
         <property name="text">
-         <string>000.000.0.0</string>
+         <string>XXXX/XXXXXX</string>
         </property>
        </widget>
       </item>
diff --git a/PolyChatApp/icons/add.png b/PolyChatApp/icons/add.png
new file mode 100644
index 0000000..13572f5
Binary files /dev/null and b/PolyChatApp/icons/add.png differ
diff --git a/PolyChatApp/resource.qrc b/PolyChatApp/resource.qrc
index 3d8e238..5548edb 100644
--- a/PolyChatApp/resource.qrc
+++ b/PolyChatApp/resource.qrc
@@ -16,5 +16,6 @@
         <file>icons/register-add-friend.png</file>
         <file>icons/logo_fox.png</file>
         <file>icons/send-file.png</file>
+        <file>icons/add.png</file>
     </qresource>
 </RCC>
diff --git a/PolyChatApp/uil_chatboxwidget.cpp b/PolyChatApp/uil_chatboxwidget.cpp
index c03df9a..c8466f5 100644
--- a/PolyChatApp/uil_chatboxwidget.cpp
+++ b/PolyChatApp/uil_chatboxwidget.cpp
@@ -290,7 +290,7 @@ void ChatBoxWidget::receiveUDPMessage()
         // 追加聊天记录
         ui->msgTextBrowser->setTextColor(Qt::red);
         ui->msgTextBrowser->append(">>> [FILE] " + time);
-        ui->msgTextBrowser->append(QString("<p><a href=\"%1\" target=\"_blank\">[Name]: %2    [Size]: %3Kb</a></p>").arg(msg_7).arg(QFileInfo(msg_7).fileName()).arg(QFileInfo(msg_7).size()));
+        ui->msgTextBrowser->append(QString("<div><p><a href=\"%1\" target=\"_blank\">[Name]: %2    [Size]: %3Kb</a></p></div>").arg(msg_7).arg(QFileInfo(msg_7).fileName()).arg(QFileInfo(msg_7).size()));
         break;
 
     case SignalType::UserJoin:
diff --git a/PolyChatApp/uil_chatlist.cpp b/PolyChatApp/uil_chatlist.cpp
index 178e082..152df77 100644
--- a/PolyChatApp/uil_chatlist.cpp
+++ b/PolyChatApp/uil_chatlist.cpp
@@ -14,7 +14,7 @@ ChatList::ChatList(QWidget* parent, QString localUserName, QString localUserGrou
     ui(new Ui::ChatList)
 {
     ui->setupUi(this);
-    this->setWindowTitle("Chat list");
+    this->setWindowTitle("PolyChat Chat list");
     this->setWindowIcon(QIcon(":/icon/icons/logo_fox.png"));