diff --git a/Code/LeudaemiaLikeMe/app/src/main/res/layout/activity_main.xml b/Code/LeudaemiaLikeMe/app/src/main/res/layout/activity_main.xml
index 4fc2444..d30d6fe 100644
--- a/Code/LeudaemiaLikeMe/app/src/main/res/layout/activity_main.xml
+++ b/Code/LeudaemiaLikeMe/app/src/main/res/layout/activity_main.xml
@@ -1,18 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:orientation="vertical"
     tools:context=".MainActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+    <FrameLayout
+        android:id="@+id/frag_layout"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+    <include layout="@layout/bottom" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/Code/LeudaemiaLikeMe/app/src/main/res/layout/bottom.xml b/Code/LeudaemiaLikeMe/app/src/main/res/layout/bottom.xml
new file mode 100644
index 0000000..5c56f3b
--- /dev/null
+++ b/Code/LeudaemiaLikeMe/app/src/main/res/layout/bottom.xml
@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:gravity="center"
+    android:padding="3dp">
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:id="@+id/tab_home"
+        android:gravity="center"
+        android:orientation="vertical">
+        <ImageButton
+            android:id="@+id/tab_home_img"
+            android:clickable="false"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@mipmap/tab_home_pressed"
+            />
+        <TextView
+            android:id="@+id/text_home"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="首页"/>
+    </LinearLayout>
+    <LinearLayout
+        android:id="@+id/tab_community"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:gravity="center"
+        android:orientation="vertical">
+        <ImageButton
+            android:id="@+id/tab_community_img"
+            android:clickable="false"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@mipmap/tab_video_normal" />
+        <TextView
+            android:id="@+id/tab_community_text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="社区"/>
+    </LinearLayout>
+    <LinearLayout
+        android:id="@+id/tab_message"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:gravity="center"
+        android:orientation="vertical">
+        <ImageButton
+            android:id="@+id/tab_message_img"
+            android:clickable="false"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@mipmap/tab_contact_normal" />
+        <TextView
+            android:id="@+id/text_contact"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="消息"/>
+    </LinearLayout>
+    <LinearLayout
+        android:id="@+id/tab_my"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:gravity="center"
+        android:orientation="vertical">
+        <ImageButton
+            android:id="@+id/tab_my_img"
+            android:clickable="false"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@mipmap/tab_my_normal" />
+        <TextView
+            android:id="@+id/tab_my_text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="我的"/>
+    </LinearLayout>
+
+</LinearLayout>
\ No newline at end of file