diff --git a/src/app/src/main/java/wificar/MyMainFrm.java b/src/app/src/main/java/wificar/MyMainFrm.java
index fa52369..89bb0b3 100644
--- a/src/app/src/main/java/wificar/MyMainFrm.java
+++ b/src/app/src/main/java/wificar/MyMainFrm.java
@@ -18,6 +18,7 @@ import android.view.Window;
 import android.view.WindowManager;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.LinearLayout;
 import android.widget.Toast;
 
 import java.util.Random;
@@ -28,8 +29,8 @@ public class MyMainFrm extends Activity {
 
     public static String CameraIp;
     EditText CameraIP, ControlIP, Port;
-    Button Button_go;
-    Button Button_set;
+    LinearLayout Button_go;
+    LinearLayout Button_set;
     String videoUrl, controlUrl, port;
     /*
      * 以下为按一下返回键后，提示“再按一次退出程序”
diff --git a/src/app/src/main/res/drawable-hdpi/settings.png b/src/app/src/main/res/drawable-hdpi/settings.png
new file mode 100644
index 0000000..562680a
Binary files /dev/null and b/src/app/src/main/res/drawable-hdpi/settings.png differ
diff --git a/src/app/src/main/res/drawable-hdpi/start.png b/src/app/src/main/res/drawable-hdpi/start.png
new file mode 100644
index 0000000..1888d32
Binary files /dev/null and b/src/app/src/main/res/drawable-hdpi/start.png differ
diff --git a/src/app/src/main/res/layout/mymainfrm.xml b/src/app/src/main/res/layout/mymainfrm.xml
index fc1f319..865c357 100644
--- a/src/app/src/main/res/layout/mymainfrm.xml
+++ b/src/app/src/main/res/layout/mymainfrm.xml
@@ -1,45 +1,116 @@
 <?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="wrap_content"
+<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"
     android:orientation="vertical"
     >
-     
-    <TextView
-        android:id="@+id/textViewIP"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="瑙嗛鍦板潃" />
-        
+
     <EditText
         android:id="@+id/editIP"
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content"
-        android:text="http://192.168.1.1:8080/?action=stream" />
-    
+        android:layout_width="0dp"
+        android:layout_height="50dp"
+        android:text="http://192.168.1.1:8080/?action=stream"
+        app:layout_constraintBottom_toBottomOf="@+id/textViewIP"
+        app:layout_constraintStart_toEndOf="@id/textViewIP"
+        app:layout_constraintTop_toTopOf="@+id/textViewIP"
+        app:layout_constraintWidth_percent="0.6" />
+
+    <TextView
+        android:id="@+id/textView2"
+        android:layout_width="0dp"
+        android:layout_height="50dp"
+        android:gravity="center"
+        android:text="鎺у埗鍦板潃"
+        app:layout_constraintStart_toStartOf="@+id/textViewIP"
+        app:layout_constraintTop_toBottomOf="@+id/textViewIP"
+        app:layout_constraintWidth_percent="0.15" />
     <EditText
         android:id="@+id/ip"
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content"
-        android:text="192.168.1.1" />
-    
+        app:layout_constraintWidth_percent="0.6"
+        android:layout_width="0dp"
+        android:layout_height="50dp"
+        android:text="192.168.1.1"
+        app:layout_constraintStart_toEndOf="@+id/textViewIP"
+        app:layout_constraintTop_toBottomOf="@+id/editIP" />
+
+    <TextView
+        android:layout_width="0dp"
+        android:layout_height="50dp"
+        android:gravity="center"
+        android:text="鎺у埗绔彛"
+        app:layout_constraintStart_toStartOf="@+id/textViewIP"
+        app:layout_constraintTop_toBottomOf="@+id/textView2"
+        app:layout_constraintWidth_percent="0.15" />
     <EditText
         android:id="@+id/port"
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content"
-        android:text="2001" />
+        android:layout_width="0dp"
+        android:layout_height="50dp"
+        android:text="2001"
+        app:layout_constraintStart_toStartOf="@+id/editIP"
+        app:layout_constraintTop_toBottomOf="@+id/ip"
+        app:layout_constraintWidth_percent="0.6" />
 
-    <Button
-        android:id="@+id/button_go"
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content"
-        android:text="鍚姩" />
+    <TextView
+        android:id="@+id/textViewIP"
+        android:layout_width="0dp"
+        android:layout_height="50dp"
+        android:layout_marginStart="90dp"
+        android:layout_marginTop="100dp"
+        android:gravity="center"
+        android:text="瑙嗛鍦板潃"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintWidth_percent="0.15" />
 
-    <Button
-        android:id="@+id/button_set"
-        android:layout_width="fill_parent"
+    <LinearLayout
+        android:id="@+id/linearLayout"
+        android:layout_marginBottom="40dp"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="璁剧疆" />
+        android:layout_gravity="bottom"
+        android:gravity="center"
+        android:orientation="horizontal"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent">
+
+        <LinearLayout
+            android:id="@+id/button_go"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginRight="120dp"
+            android:gravity="center">
+
+            <ImageView
+                android:layout_width="40dp"
+                android:layout_height="40dp"
+                android:layout_marginRight="20dp"
+                android:src="@drawable/start" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="鍚姩" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/button_set"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:gravity="center">
+
+            <ImageView
+                android:layout_width="40dp"
+                android:layout_height="40dp"
+                android:layout_marginRight="20dp"
+                android:src="@drawable/settings" />
 
-</LinearLayout>
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="璁剧疆" />
+        </LinearLayout>
+    </LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>