diff --git a/app/src/main/java/com/qhclh/ytzh/home/MainActivity.java b/app/src/main/java/com/qhclh/ytzh/home/MainActivity.java
index 2b7d37f..4294f44 100644
--- a/app/src/main/java/com/qhclh/ytzh/home/MainActivity.java
+++ b/app/src/main/java/com/qhclh/ytzh/home/MainActivity.java
@@ -1,20 +1,54 @@
 package com.qhclh.ytzh.home;
 
+import android.support.v4.app.FragmentTransaction;
 import android.support.v7.widget.Toolbar;
 import android.view.View;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 import com.qhclh.ytzh.R;
 import com.qhclh.ytzh.base.BaseActivity;
+import com.qhclh.ytzh.index.IndexFragment;
+import com.qhclh.ytzh.me.MeFragment;
+import com.qhclh.ytzh.work.WorkFragment;
 
 import butterknife.BindView;
+import butterknife.OnClick;
 
 public class MainActivity extends BaseActivity {
-    @BindView(R.id.textaaa)
-    TextView textView;
-
     @BindView(R.id.toolbar)
     Toolbar mToolbar;
+    @BindView(R.id.tv_toolbar_title)
+    TextView mTvToolbarTitle;
+
+    @BindView(R.id.iv_index)
+    ImageView iv_index;
+    @BindView(R.id.tv_index)
+    TextView tv_index;
+    @BindView(R.id.iv_work)
+    ImageView iv_work;
+    @BindView(R.id.tv_work)
+    TextView tv_work;
+    @BindView(R.id.iv_me)
+    ImageView iv_me;
+    @BindView(R.id.tv_me)
+    TextView tv_me;
+
+
+    private long mLastClickTime;
+    private static final long DEFAULT_EXIT_TIME = 2000;
+    ///< 首页
+    private static final int TAB_POSITION_INDEX = 0;
+    ///< 工作
+    private static final int TAB_POSITION_WORK = 1;
+    ///< 我的
+    private static final int TAB_POSITION_ME = 2;
+    private int mCurrentTabPosition = -1;
+    private int mTargetTabPosition = TAB_POSITION_INDEX;
+
+    private IndexFragment indexFragment;
+    private WorkFragment workFragment;
+    private MeFragment meFragment;
 
     @Override
     protected int setLayoutId() {
@@ -23,21 +57,156 @@ public class MainActivity extends BaseActivity {
 
     @Override
     protected void initView() {
-        initToolbar(mToolbar, "aaaaa", new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                finish();
-            }
-        });
+        initToolbar(mToolbar, "", null);
+        ///< 点击切换fragment
+        onTabClick(mTargetTabPosition);
     }
 
     @Override
     protected void initData() {
-        textView.setText("aaaaaaaaaaa");
     }
 
     @Override
     protected void initOper() {
 
     }
+
+    @OnClick({R.id.ll_index, R.id.ll_work, R.id.ll_me})
+    public void onClick(View view) {
+        switch (view.getId()) {
+            ///< 首页
+            case R.id.ll_index: {
+                onTabClick(TAB_POSITION_INDEX);
+                break;
+            }
+            ///< 工作
+            case R.id.ll_work: {
+                onTabClick(TAB_POSITION_WORK);
+                break;
+            }
+
+            ///< 我的
+            case R.id.ll_me: {
+                onTabClick(TAB_POSITION_ME);
+                break;
+            }
+        }
+    }
+
+    private void onTabClick(int tabPosition) {
+        if (mCurrentTabPosition == tabPosition) {
+            return;
+        }
+        mCurrentTabPosition = tabPosition;
+        changeTabState(tabPosition);
+        changeFragment(tabPosition);
+    }
+
+    private void changeTabState(int tabPosition) {
+        clearAllTabState();
+        switch (tabPosition) {
+            case TAB_POSITION_INDEX: {
+//                iv_index.setImageResource(R.drawable.ghs12x);
+                tv_index.setTextColor(getResources().getColor(R.color.green029737));
+                mTvToolbarTitle.setText(R.string.index);
+                break;
+            }
+
+            case TAB_POSITION_WORK: {
+//                iv_work.setImageResource(R.drawable.gwc12x);
+                tv_work.setTextColor(getResources().getColor(R.color.green029737));
+                mTvToolbarTitle.setText(R.string.work);
+                break;
+            }
+            case TAB_POSITION_ME: {
+//                iv_me.setImageResource(R.drawable.dd12x);
+                tv_me.setTextColor(getResources().getColor(R.color.green029737));
+                mTvToolbarTitle.setText(R.string.me);
+                break;
+            }
+        }
+    }
+
+
+    private void clearAllTabState() {
+        ///< 首页
+//        iv_index.setImageResource(R.drawable.ghs2x);
+        tv_index.setTextColor(getResources().getColor(R.color.grey888888));
+        ///< 工作
+//        iv_work.setImageResource(R.drawable.gwc2x);
+        tv_work.setTextColor(getResources().getColor(R.color.grey888888));
+
+        ///< 我的
+//        iv_me.setImageResource(R.drawable.dd2x);
+        tv_me.setTextColor(getResources().getColor(R.color.grey888888));
+
+    }
+
+
+    private void changeFragment(int tabPosition) {
+        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
+        hideFragment(transaction);
+        switch (tabPosition) {
+            case TAB_POSITION_INDEX: {
+                if (indexFragment == null) {
+                    indexFragment = new IndexFragment();
+                    transaction.add(R.id.main_container, indexFragment);
+                } else {
+                    transaction.show(indexFragment);
+                }
+                break;
+            }
+
+            case TAB_POSITION_WORK: {
+                if (workFragment == null) {
+                    workFragment = new WorkFragment();
+                    transaction.add(R.id.main_container, workFragment);
+                } else {
+                    transaction.show(workFragment);
+                }
+                break;
+            }
+
+            case TAB_POSITION_ME: {
+                if (meFragment == null) {
+                    meFragment = new MeFragment();
+                    transaction.add(R.id.main_container, meFragment);
+                } else {
+                    transaction.show(meFragment);
+                }
+                break;
+            }
+        }
+        transaction.commitAllowingStateLoss();
+    }
+
+    private void hideFragment(FragmentTransaction transaction) {
+        if (indexFragment != null) {
+            transaction.hide(indexFragment);
+        }
+
+        if (workFragment != null) {
+            transaction.hide(workFragment);
+        }
+        if (meFragment != null) {
+            transaction.hide(meFragment);
+        }
+    }
+
+    @Override
+    public void onBackPressed() {
+//        super.onBackPressed();
+        exitApp();
+    }
+
+    ///< back键退出
+    private void exitApp() {
+        long currentTime = System.currentTimeMillis();
+        if (currentTime - mLastClickTime < DEFAULT_EXIT_TIME) {
+            finishAll();
+        } else {
+            mLastClickTime = currentTime;
+            showToast(getString(R.string.back_exit_app));
+        }
+    }
 }
diff --git a/app/src/main/res/layout/act_main.xml b/app/src/main/res/layout/act_main.xml
index ea24d6c..6db6819 100644
--- a/app/src/main/res/layout/act_main.xml
+++ b/app/src/main/res/layout/act_main.xml
@@ -1,12 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
     <include layout="@layout/include_tool_bar"></include>
-    <TextView
-        android:id="@+id/textaaa"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content" />
+
+    <RelativeLayout
+        android:id="@+id/main_container"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1" />
+
+    <include layout="@layout/include_line"></include>
+
+    <include layout="@layout/include_tab_bar"></include>
 
 </LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_index.xml b/app/src/main/res/layout/fragment_index.xml
index f71b215..324ad95 100644
--- a/app/src/main/res/layout/fragment_index.xml
+++ b/app/src/main/res/layout/fragment_index.xml
@@ -2,6 +2,7 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="match_parent"
+    android:background="@color/greyf4f4f4"
     android:layout_height="match_parent">
     <TextView
         android:text="@string/index"
diff --git a/app/src/main/res/layout/fragment_me.xml b/app/src/main/res/layout/fragment_me.xml
index 1fbcd7a..26efe5f 100644
--- a/app/src/main/res/layout/fragment_me.xml
+++ b/app/src/main/res/layout/fragment_me.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical" android:layout_width="match_parent"
+    android:orientation="vertical"
+    android:background="@color/greyf4f4f4"
+    android:layout_width="match_parent"
     android:layout_height="match_parent">
 <TextView
     android:text="@string/me"
diff --git a/app/src/main/res/layout/fragment_work.xml b/app/src/main/res/layout/fragment_work.xml
index c7d69ba..d80161e 100644
--- a/app/src/main/res/layout/fragment_work.xml
+++ b/app/src/main/res/layout/fragment_work.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical" android:layout_width="match_parent"
+    android:orientation="vertical"
+    android:background="@color/greyf4f4f4"
+    android:layout_width="match_parent"
     android:layout_height="match_parent">
     <TextView
         android:text="@string/work"
diff --git a/app/src/main/res/layout/include_line.xml b/app/src/main/res/layout/include_line.xml
index 645cb3f..f86ab12 100644
--- a/app/src/main/res/layout/include_line.xml
+++ b/app/src/main/res/layout/include_line.xml
@@ -2,5 +2,5 @@
 <View xmlns:android="http://schemas.android.com/apk/res/android"
       android:layout_width="match_parent"
       android:layout_height="1px"
-      android:background="@color/grey_a3a3a3">
+      android:background="@color/greydbdbdb">
 </View>
\ No newline at end of file
diff --git a/app/src/main/res/layout/include_tab_bar.xml b/app/src/main/res/layout/include_tab_bar.xml
index e4b9dfb..6c7321b 100644
--- a/app/src/main/res/layout/include_tab_bar.xml
+++ b/app/src/main/res/layout/include_tab_bar.xml
@@ -7,39 +7,45 @@
     android:orientation="horizontal">
     <!-- 底部导航栏-->
     <LinearLayout
-        android:id="@+id/ll_gonghuoshang"
+        android:id="@+id/ll_index"
         style="@style/TabLayout">
+
         <ImageView
-            android:id="@+id/iv_gonghuoshang"
+            android:id="@+id/iv_index"
             style="@style/TabIcon" />
+
         <TextView
-            android:id="@+id/tv_gonghuoshang"
+            android:id="@+id/tv_index"
             style="@style/TabText"
-            android:text="@string/app_name" />
+            android:text="@string/index" />
     </LinearLayout>
 
     <LinearLayout
-        android:id="@+id/ll_gouwuche"
+        android:id="@+id/ll_work"
         style="@style/TabLayout">
+
         <ImageView
-            android:id="@+id/iv_gouwuche"
+            android:id="@+id/iv_work"
             style="@style/TabIcon" />
+
         <TextView
-            android:id="@+id/tv_gouwuche"
+            android:id="@+id/tv_work"
             style="@style/TabText"
-            android:text="@string/app_name" />
+            android:text="@string/work" />
     </LinearLayout>
 
     <LinearLayout
-        android:id="@+id/ll_dingdan"
+        android:id="@+id/ll_me"
         style="@style/TabLayout">
+
         <ImageView
-            android:id="@+id/iv_dingdan"
+            android:id="@+id/iv_me"
             style="@style/TabIcon" />
+
         <TextView
-            android:id="@+id/tv_dingdan"
+            android:id="@+id/tv_me"
             style="@style/TabText"
-            android:text="@string/app_name" />
+            android:text="@string/me" />
     </LinearLayout>
 
 </LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 2947e28..7f21df9 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <!--标题栏 -->
-    <color name="colorPrimary">#E3383B</color>
+    <color name="colorPrimary">#0b9343</color>
     <!-- 状态栏-->
-    <color name="colorPrimaryDark">#E3383B</color>
+    <color name="colorPrimaryDark">#0b9343</color>
     <!-- 各种控件默认选中颜色-->
-    <color name="colorAccent">#E3383B</color>
+    <color name="colorAccent">#0b9343</color>
 
 
     <color name="grey999">#999999</color>
@@ -15,10 +15,14 @@
     <color name="red_ee">#eeee4242</color>
     <color name="white">#ffffff</color>
     <color name="black">#000000</color>
-    <color name="grey_767c82">#767c82</color>
+    <color name="grey_767c82">#888888</color>
     <color name="black_282828">#282828</color>
     <color name="tran">#00000000</color>
     <color name="grey_a3a3a3">#a3a3a3</color>
+    <color name="green029737">#029737</color>
+    <color name="grey888888">#888888</color>
+    <color name="greyf4f4f4">#f4f4f4</color>
+    <color name="greydbdbdb">#dbdbdb</color>
 
 
 </resources>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 86b6c8d..9caafe2 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -131,9 +131,9 @@
     <dimen name="px_8">8px</dimen>
     <dimen name="px_20">20px</dimen>
 
-    <dimen name="tab_text_size">@dimen/text_size_12</dimen>
-    <dimen name="tab_icon_height">24dp</dimen>
-    <dimen name="tab_icon_width">24dp</dimen>
+    <dimen name="tab_text_size">@dimen/text_size_16</dimen>
+    <dimen name="tab_icon_height">30dp</dimen>
+    <dimen name="tab_icon_width">30dp</dimen>
     <dimen name="tab_layout_padding">8dp</dimen>
     <!-- ************************************************************分割线************************************************************-->
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 459caa0..412173c 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,3 +1,7 @@
 <resources>
-    <string name="app_name">Ytzh</string>
+    <string name="app_name">亚太中慧</string>
+    <string name="index">首页</string>
+    <string name="work">工作</string>
+    <string name="me">我的</string>
+    <string name="back_exit_app">再按一次返回键退出应用</string>
 </resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 9678078..8b8bd9b 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -28,7 +28,7 @@
         <item name="android:layout_height">wrap_content</item>
         <item name="android:layout_width">wrap_content</item>
         <item name="android:textColor">@color/white</item>
-        <item name="android:textSize">@dimen/text_size_18</item>
+        <item name="android:textSize">@dimen/text_size_20</item>
     </style>
 
     <style name="TabLayout">