diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 1dc9f44..e748377 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,163 +1,220 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="fill_parent"
-    android:layout_height="fill_parent">
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
 
-    <ScrollView
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content">
+    <TextView
+        android:id="@+id/textView5"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:paddingLeft="10dp"
+        android:text="官方QQ群:"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.223"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.126" />
 
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:focusable="true"
-            android:focusableInTouchMode="true"
-            android:orientation="vertical">
+    <TextView
+        android:id="@+id/join_qq_group"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:autoLink="none"
+        android:text="793015219"
+        android:textColor="#F00"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.498"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.126" />
 
-            <TextView
-                android:id="@+id/tip"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:padding="10dp"
-                android:textColor=" #ff0000"
-                android:textFontWeight="2"
-                android:textSize="18sp"
-                android:textStyle="bold" />
+    <TextView
+        android:id="@+id/view_manual"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:autoLink="all"
+        android:paddingLeft="10px"
+        android:text="使用手册"
+        android:textColor="#2D40AD"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.005"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.126" />
 
-            <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal">
+    <TextView
+        android:id="@+id/tip"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="10dp"
+        android:textColor=" #ff0000"
+        android:textFontWeight="2"
+        android:textSize="18sp"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.023" />
 
-                <TextView
-                    android:id="@+id/view_manual"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:autoLink="all"
-                    android:paddingLeft="10px"
-                    android:text="使用手册"
-                    android:textColor="#2D40AD"
-                    android:textStyle="bold" />
+    <EditText
+        android:id="@+id/input"
+        android:layout_width="match_parent"
+        android:layout_height="130dp"
+        android:background="@drawable/log_shape"
+        android:gravity="top"
+        android:inputType="textMultiLine"
+        android:scrollbars="vertical"
+        android:selectAllOnFocus="false"
+        android:singleLine="false"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.271" />
 
-                <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:paddingLeft="10dp"
-                    android:text="官方QQ群:" />
+    <TextView
+        android:id="@+id/ip_addrs"
+        android:layout_width="264dp"
+        android:layout_height="30dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.012"
+        app:layout_constraintStart_toStartOf="@+id/guideline"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.669" />
 
-                <TextView
-                    android:id="@+id/join_qq_group"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:autoLink="none"
-                    android:text="793015219"
-                    android:textColor="#F00"
-                    android:textStyle="bold" />
+    <TextView
+        android:id="@+id/textView2"
+        android:layout_width="91dp"
+        android:layout_height="37dp"
+        android:padding="10dp"
+        android:text="@string/args"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.006"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.182" />
 
-            </LinearLayout>
+    <Button
+        android:id="@+id/btn_start"
+        style="@style/Widget.AppCompat.Button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="#66cc66"
+        android:text="启动"
+        android:textColor="#fff"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.21"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.513" />
 
-            <TextView
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:padding="10dp"
-                android:text="@string/args" />
+    <TextView
+        android:id="@+id/tv_status"
+        android:layout_width="72dp"
+        android:layout_height="25dp"
+        android:text="已停止"
+        android:textColor=" #ff1a1a"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="@+id/guideline"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.631" />
 
-            <EditText
-                android:id="@+id/input"
-                android:layout_width="match_parent"
-                android:layout_height="100dp"
-                android:layout_marginBottom="5dp"
-                android:background="@drawable/log_shape"
-                android:gravity="top"
-                android:inputType="textMultiLine"
-                android:scrollbars="vertical"
-                android:selectAllOnFocus="false"
-                android:singleLine="false" />
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="68dp"
+        android:layout_height="24dp"
+        android:paddingLeft="10dp"
+        android:text="状态："
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/guideline"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/view_manual"
+        app:layout_constraintVertical_bias="0.575" />
 
-            <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:gravity="center"
-                android:orientation="horizontal">
+    <TextView
+        android:id="@+id/textView3"
+        android:layout_width="69dp"
+        android:layout_height="24dp"
+        android:paddingLeft="10dp"
+        android:text="本机IP："
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/guideline"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.663" />
 
-                <Button
-                    android:id="@+id/btn_start"
-                    style="@style/Widget.AppCompat.Button"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_marginRight="10dp"
-                    android:background="#66cc66"
-                    android:onClick="start"
-                    android:text="启动"
-                    android:textColor="#fff"
-                    android:textStyle="bold" />
+    <TextView
+        android:id="@+id/textView4"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:paddingLeft="10dp"
+        android:paddingBottom="3dp"
+        android:text="日志："
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.695" />
 
-                <Button
-                    android:id="@+id/btn_stop"
-                    style="@style/Widget.AppCompat.Button"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_marginLeft="10dp"
-                    android:background="#e6e6e6"
-                    android:text="停止"
-                    android:textColor="#777"
-                    android:textStyle="bold" />
-            </LinearLayout>
+    <Button
+        android:id="@+id/btn_stop"
+        style="@style/Widget.AppCompat.Button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="#e6e6e6"
+        android:text="停止"
+        android:textColor="#777"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.696"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.512" />
 
-           <LinearLayout
-               android:orientation="horizontal"
-               android:layout_width="wrap_content"
-               android:layout_height="wrap_content">
+    <EditText
+        android:id="@+id/log_output"
+        android:layout_width="match_parent"
+        android:layout_height="137dp"
+        android:layout_marginStart="4dp"
+        android:layout_marginLeft="4dp"
+        android:background="@drawable/log_shape"
+        android:focusable="false"
+        android:gravity="top"
+        android:inputType="textMultiLine"
+        android:scrollbars="vertical"
+        android:singleLine="false"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.954" />
 
-               <TextView
-                   android:layout_width="match_parent"
-                   android:layout_height="wrap_content"
-                   android:paddingLeft="10dp"
-                   android:text="状态：" />
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/guideline"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent="0.18" />
 
-               <TextView
-                   android:id="@+id/tv_status"
-                   android:layout_width="match_parent"
-                   android:layout_height="wrap_content"
-                   android:text="已停止"
-                   android:textColor=" #ff1a1a"
-                   android:textStyle="bold" />
-           </LinearLayout>
-        <LinearLayout
-            android:orientation="horizontal"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content">
 
-            <TextView
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:paddingLeft="10dp"
-                android:text="本机IP：" />
 
-            <TextView
-                android:id="@+id/ip_addrs"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"/>
-        </LinearLayout>
-            <TextView
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:paddingLeft="10dp"
-                android:paddingBottom="3dp"
-                android:text="日志：" />
-
-            <EditText
-                android:id="@+id/log_output"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:background="@drawable/log_shape"
-                android:focusable="false"
-                android:gravity="top"
-                android:inputType="textMultiLine"
-                android:lines="5"
-                android:scrollbars="vertical"
-                android:singleLine="false" />
-
-        </LinearLayout>
-    </ScrollView>
-</LinearLayout>
\ No newline at end of file
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file