diff --git a/app/build.gradle b/app/build.gradle
index 962f389..a0053ff 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,8 +1,8 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "23.0.3"
+    compileSdkVersion 25
+    buildToolsVersion "25.0.3"
 
     defaultConfig {
         applicationId "com.wuxiaolong.androidmvpsample"
@@ -21,7 +21,7 @@ android {
 
 dependencies {
     compile fileTree(include: ['*.jar'], dir: 'libs')
-    compile 'com.android.support:appcompat-v7:24.2.0'
+    compile 'com.android.support:appcompat-v7:25.3.1'
     compile 'com.wuxiaolong.androidutils:androidutils:1.0.5'
     compile 'com.jakewharton:butterknife:7.0.1'
     compile 'com.squareup.retrofit2:retrofit:2.0.2'
diff --git a/app/src/main/java/com/wuxiaolong/androidmvpsample/mvp/other/BasePresenter.java b/app/src/main/java/com/wuxiaolong/androidmvpsample/mvp/other/BasePresenter.java
index 704c3b5..12d7e62 100644
--- a/app/src/main/java/com/wuxiaolong/androidmvpsample/mvp/other/BasePresenter.java
+++ b/app/src/main/java/com/wuxiaolong/androidmvpsample/mvp/other/BasePresenter.java
@@ -1,7 +1,7 @@
 package com.wuxiaolong.androidmvpsample.mvp.other;
 
 import com.wuxiaolong.androidmvpsample.retrofit.ApiStores;
-import com.wuxiaolong.androidmvpsample.retrofit.AppClient;
+import com.wuxiaolong.androidmvpsample.retrofit.ApiClient;
 
 import rx.Observable;
 import rx.Subscriber;
@@ -23,7 +23,7 @@ public class BasePresenter<V> {
 
     public void attachView(V mvpView) {
         this.mvpView = mvpView;
-        apiStores = AppClient.retrofit().create(ApiStores.class);
+        apiStores = ApiClient.retrofit().create(ApiStores.class);
     }
 
 
diff --git a/app/src/main/java/com/wuxiaolong/androidmvpsample/retrofit/AppClient.java b/app/src/main/java/com/wuxiaolong/androidmvpsample/retrofit/ApiClient.java
similarity index 98%
rename from app/src/main/java/com/wuxiaolong/androidmvpsample/retrofit/AppClient.java
rename to app/src/main/java/com/wuxiaolong/androidmvpsample/retrofit/ApiClient.java
index 7ed4ba5..958c8da 100644
--- a/app/src/main/java/com/wuxiaolong/androidmvpsample/retrofit/AppClient.java
+++ b/app/src/main/java/com/wuxiaolong/androidmvpsample/retrofit/ApiClient.java
@@ -14,7 +14,7 @@ import retrofit2.converter.gson.GsonConverterFactory;
  * 微信公众号：吴小龙同学
  * 个人博客：http://wuxiaolong.me/
  */
-public class AppClient {
+public class ApiClient {
     public static Retrofit mRetrofit;
 
     public static Retrofit retrofit() {
diff --git a/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/BaseActivity.java b/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/BaseActivity.java
index f115446..c449c73 100644
--- a/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/BaseActivity.java
+++ b/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/BaseActivity.java
@@ -14,7 +14,7 @@ import android.widget.Toast;
 
 import com.wuxiaolong.androidmvpsample.R;
 import com.wuxiaolong.androidmvpsample.retrofit.ApiStores;
-import com.wuxiaolong.androidmvpsample.retrofit.AppClient;
+import com.wuxiaolong.androidmvpsample.retrofit.ApiClient;
 import com.wuxiaolong.androidutils.library.LogUtil;
 
 import java.util.ArrayList;
@@ -37,7 +37,6 @@ import rx.subscriptions.CompositeSubscription;
  */
 public class BaseActivity extends AppCompatActivity {
     public Activity mActivity;
-    public ApiStores apiStores = AppClient.retrofit().create(ApiStores.class);
     private CompositeSubscription mCompositeSubscription;
     private List<Call> calls;
 
@@ -72,6 +71,10 @@ public class BaseActivity extends AppCompatActivity {
         super.onDestroy();
     }
 
+    public ApiStores apiStores() {
+        return ApiClient.retrofit().create(ApiStores.class);
+    }
+
     public void addCalls(Call call) {
         if (calls == null) {
             calls = new ArrayList<>();
diff --git a/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/MainActivity.java b/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/MainActivity.java
index a109329..dbaef35 100644
--- a/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/MainActivity.java
+++ b/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/MainActivity.java
@@ -75,7 +75,7 @@ public class MainActivity extends MvpActivity<MainPresenter> implements MainView
 
     private void loadDataByRetrofit() {
         showProgressDialog();
-        Call<MainModel> call = apiStores.loadDataByRetrofit("101190201");
+        Call<MainModel> call = apiStores().loadDataByRetrofit("101190201");
         call.enqueue(new RetrofitCallback<MainModel>() {
             @Override
             public void onSuccess(MainModel model) {
@@ -103,7 +103,7 @@ public class MainActivity extends MvpActivity<MainPresenter> implements MainView
     //全国+国外主要城市代码http://mobile.weather.com.cn/js/citylist.xml
     private void loadDataByRetrofitRxjava() {
         showProgressDialog();
-        addSubscription(apiStores.loadDataByRetrofitRxjava("101220602"),
+        addSubscription(apiStores().loadDataByRetrofitRxjava("101220602"),
                 new ApiCallback<MainModel>() {
                     @Override
                     public void onSuccess(MainModel model) {
diff --git a/build.gradle b/build.gradle
index b193299..072e693 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.0'
+        classpath 'com.android.tools.build:gradle:2.3.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index f075f79..f5eaf75 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Sep 22 09:35:31 CST 2016
+#Fri Jun 02 11:35:48 CST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip