diff --git a/app/src/main/assets/updatelog.fy b/app/src/main/assets/updatelog.fy
index 56e1693..8a41a4e 100644
--- a/app/src/main/assets/updatelog.fy
+++ b/app/src/main/assets/updatelog.fy
@@ -1,3 +1,10 @@
+2022.02.17
+风月读书v2.3.7
+更新内容：
+1、新增邮箱登录
+2、新增开屏广告
+注：由于广告投放次数的需要，此次更新为强制更新
+
 2022.02.07
 风月读书v2.3.6
 更新内容：
diff --git a/app/src/main/java/xyz/fycz/myreader/ActivityManage.java b/app/src/main/java/xyz/fycz/myreader/ActivityManage.java
index cbfd3f9..760561b 100644
--- a/app/src/main/java/xyz/fycz/myreader/ActivityManage.java
+++ b/app/src/main/java/xyz/fycz/myreader/ActivityManage.java
@@ -9,6 +9,8 @@ public class ActivityManage {
 
     private static ArrayList<AppCompatActivity> activities = new ArrayList<>();
 
+    public static int mResumeActivityCount = 0;
+
     public static void addActivity(AppCompatActivity activity){
         activities.add(activity);
     }
diff --git a/app/src/main/java/xyz/fycz/myreader/application/App.java b/app/src/main/java/xyz/fycz/myreader/application/App.java
index 192f21e..ac1c4b8 100644
--- a/app/src/main/java/xyz/fycz/myreader/application/App.java
+++ b/app/src/main/java/xyz/fycz/myreader/application/App.java
@@ -1,13 +1,15 @@
 package xyz.fycz.myreader.application;
 
 
-import android.annotation.SuppressLint;
+import static android.provider.ContactsContract.Directory.PACKAGE_NAME;
+
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.Application;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
+import android.app.Service;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
@@ -34,16 +36,10 @@ import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 
 import java.io.File;
-import java.security.SecureRandom;
-import java.security.cert.X509Certificate;
+import java.util.List;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
-import javax.net.ssl.HttpsURLConnection;
-import javax.net.ssl.SSLContext;
-import javax.net.ssl.TrustManager;
-import javax.net.ssl.X509TrustManager;
-
 import io.reactivex.internal.functions.Functions;
 import io.reactivex.plugins.RxJavaPlugins;
 import xyz.fycz.myreader.R;
@@ -51,18 +47,14 @@ import xyz.fycz.myreader.common.APPCONST;
 import xyz.fycz.myreader.common.URLCONST;
 import xyz.fycz.myreader.entity.Setting;
 import xyz.fycz.myreader.model.sourceAnalyzer.BookSourceManager;
-import xyz.fycz.myreader.ui.activity.MainActivity;
-import xyz.fycz.myreader.ui.dialog.DialogCreator;
-import xyz.fycz.myreader.ui.fragment.BookcaseFragment;
-import xyz.fycz.myreader.util.help.SSLSocketClient;
+import xyz.fycz.myreader.ui.dialog.UpdateDialog;
 import xyz.fycz.myreader.util.SharedPreUtils;
-import xyz.fycz.myreader.util.help.StringHelper;
 import xyz.fycz.myreader.util.ToastUtils;
+import xyz.fycz.myreader.util.help.SSLSocketClient;
+import xyz.fycz.myreader.util.help.StringHelper;
 import xyz.fycz.myreader.util.utils.AdUtils;
-import xyz.fycz.myreader.util.utils.FileUtils;
 import xyz.fycz.myreader.util.utils.NetworkUtils;
 import xyz.fycz.myreader.util.utils.OkHttpUtils;
-import xyz.fycz.myreader.ui.dialog.UpdateDialog;
 
 
 public class App extends Application {
@@ -72,6 +64,7 @@ public class App extends Application {
     private static App application;
     private ExecutorService mFixedThreadPool;
     private static boolean debug;
+    public static boolean isBackground = false;
 
     @Override
     public void onCreate() {
@@ -92,7 +85,6 @@ public class App extends Application {
                         .readTimeout(15_000) // set read timeout.
                 ))
                 .commit();
-//        handleSSLHandshake();
         if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
             createNotificationChannel();
         }
@@ -154,31 +146,6 @@ public class App extends Application {
         App.getApplication().initNightTheme();
     }
 
-    @SuppressLint("TrulyRandom")
-    public static void handleSSLHandshake() {
-        try {
-            TrustManager[] trustAllCerts = new TrustManager[]{new X509TrustManager() {
-                public X509Certificate[] getAcceptedIssuers() {
-                    return new X509Certificate[0];
-                }
-
-                @Override
-                public void checkClientTrusted(X509Certificate[] certs, String authType) {
-                }
-
-                @Override
-                public void checkServerTrusted(X509Certificate[] certs, String authType) {
-                }
-            }};
-
-            SSLContext sc = SSLContext.getInstance("SSL");
-            sc.init(null, trustAllCerts, new SecureRandom());
-            HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
-            HttpsURLConnection.setDefaultHostnameVerifier((hostname, session) -> true);
-        } catch (Exception ignored) {
-        }
-    }
-
 
     public static Context getmContext() {
         return application;
@@ -478,4 +445,5 @@ public class App extends Application {
     public ExecutorService getmFixedThreadPool() {
         return mFixedThreadPool;
     }
+
 }
diff --git a/app/src/main/java/xyz/fycz/myreader/application/CrashHandler.java b/app/src/main/java/xyz/fycz/myreader/application/CrashHandler.java
index 40f2c51..050c44e 100644
--- a/app/src/main/java/xyz/fycz/myreader/application/CrashHandler.java
+++ b/app/src/main/java/xyz/fycz/myreader/application/CrashHandler.java
@@ -1,10 +1,8 @@
 package xyz.fycz.myreader.application;
 
-import android.Manifest;
 import android.annotation.SuppressLint;
 import android.app.Application;
 import android.content.Context;
-import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
@@ -12,36 +10,21 @@ import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.os.Build;
 import android.util.DisplayMetrics;
-import android.util.Log;
 
 import androidx.annotation.NonNull;
 
-import org.jetbrains.annotations.NotNull;
-
 import java.io.File;
-import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.StringWriter;
-import java.net.InetAddress;
-import java.net.UnknownHostException;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
-import java.util.Arrays;
 import java.util.Date;
-import java.util.List;
 import java.util.Locale;
 
-import io.reactivex.Observable;
-import io.reactivex.ObservableSource;
-import io.reactivex.functions.Function;
 import xyz.fycz.myreader.common.APPCONST;
-import xyz.fycz.myreader.common.URLCONST;
 import xyz.fycz.myreader.ui.activity.CrashActivity;
 import xyz.fycz.myreader.ui.activity.RestartActivity;
-import xyz.fycz.myreader.ui.activity.SplashActivity;
-import xyz.fycz.myreader.util.ToastUtils;
 import xyz.fycz.myreader.util.utils.FileUtils;
-import xyz.fycz.myreader.util.utils.OkHttpUtils;
 
 /**
  * @author fengyue
diff --git a/app/src/main/java/xyz/fycz/myreader/base/BaseActivity.java b/app/src/main/java/xyz/fycz/myreader/base/BaseActivity.java
index 5896d4f..1368a85 100644
--- a/app/src/main/java/xyz/fycz/myreader/base/BaseActivity.java
+++ b/app/src/main/java/xyz/fycz/myreader/base/BaseActivity.java
@@ -5,6 +5,7 @@ import android.content.Intent;
 import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 
@@ -26,7 +27,9 @@ import xyz.fycz.myreader.application.App;
 import xyz.fycz.myreader.application.CrashHandler;
 import xyz.fycz.myreader.application.SysManager;
 import xyz.fycz.myreader.entity.Setting;
+import xyz.fycz.myreader.ui.activity.SplashActivity;
 import xyz.fycz.myreader.util.StatusBarUtil;
+import xyz.fycz.myreader.util.utils.AdUtils;
 
 /**
  * @author fengyue
@@ -150,6 +153,33 @@ public abstract class BaseActivity extends SwipeBackActivity {
         }
     }
 
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        AdUtils.backTime();
+        ActivityManage.mResumeActivityCount--;
+        if (ActivityManage.mResumeActivityCount <= 0
+                && !App.isBackground){
+            App.isBackground = true;
+            Log.d("FYReader", "onActivityStarted: 应用进入后台");
+        }
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        ActivityManage.mResumeActivityCount++;
+        if (ActivityManage.mResumeActivityCount == 1 &&
+                App.isBackground) {
+            App.isBackground = false;
+            Log.d("FYReader", "onActivityStarted: 应用进入前台");
+            if (!(this instanceof SplashActivity) && AdUtils.backSplashAd()) {
+                SplashActivity.start(this);
+            }
+        }
+    }
+
     @Override
     protected void onResume() {
         super.onResume();
diff --git a/app/src/main/java/xyz/fycz/myreader/common/URLCONST.java b/app/src/main/java/xyz/fycz/myreader/common/URLCONST.java
index f244c8b..67181d6 100644
--- a/app/src/main/java/xyz/fycz/myreader/common/URLCONST.java
+++ b/app/src/main/java/xyz/fycz/myreader/common/URLCONST.java
@@ -24,10 +24,10 @@ public class URLCONST {
 
     public static final String FY_READER_URL = "https://fyreader." + getDefaultDomain();
 
-    public static final String AD_URL = FY_READER_URL + "/ad";
     public static final String LOG_UPLOAD_URL = FY_READER_URL + "/logUpload";
     public static final String THANKS_URL = FY_READER_URL + "/thanks/";
     public static final String USER_URL = "http://101.43.83.105:12123";
+    public static final String AD_URL = USER_URL + "/do/ad";
 
     public static final String DONATE = "https://gitee.com/fengyuecanzhu/Donate/raw/master";
 
diff --git a/app/src/main/java/xyz/fycz/myreader/entity/AdBean.java b/app/src/main/java/xyz/fycz/myreader/entity/AdBean.java
new file mode 100644
index 0000000..1a75bd6
--- /dev/null
+++ b/app/src/main/java/xyz/fycz/myreader/entity/AdBean.java
@@ -0,0 +1,57 @@
+package xyz.fycz.myreader.entity;
+
+/**
+ * @author fengyue
+ * @date 2022/2/17 18:56
+ */
+public class AdBean {
+    //是否云控
+    private boolean isCloud;
+    //是否有广告
+    private boolean hasAd;
+    //应用处于后台一段时间展示开屏广告(单位：分钟)
+    private int backAdTime;
+    //应用回到前台展示广告间隔(单位：分钟)
+    private int intervalAdTime;
+
+    public AdBean() {
+    }
+
+    public AdBean(boolean hasAd, int backAdTime, int intervalAdTime) {
+        this.hasAd = hasAd;
+        this.backAdTime = backAdTime;
+        this.intervalAdTime = intervalAdTime;
+    }
+
+    public boolean isCloud() {
+        return isCloud;
+    }
+
+    public void setCloud(boolean cloud) {
+        isCloud = cloud;
+    }
+
+    public boolean isHasAd() {
+        return hasAd;
+    }
+
+    public void setHasAd(boolean hasAd) {
+        this.hasAd = hasAd;
+    }
+
+    public int getBackAdTime() {
+        return backAdTime;
+    }
+
+    public void setBackAdTime(int backAdTime) {
+        this.backAdTime = backAdTime;
+    }
+
+    public int getIntervalAdTime() {
+        return intervalAdTime;
+    }
+
+    public void setIntervalAdTime(int intervalAdTime) {
+        this.intervalAdTime = intervalAdTime;
+    }
+}
diff --git a/app/src/main/java/xyz/fycz/myreader/model/user/UserService2.kt b/app/src/main/java/xyz/fycz/myreader/model/user/UserService2.kt
index 1637365..62cdcfa 100644
--- a/app/src/main/java/xyz/fycz/myreader/model/user/UserService2.kt
+++ b/app/src/main/java/xyz/fycz/myreader/model/user/UserService2.kt
@@ -195,7 +195,7 @@ object UserService2 {
         return readConfig() != null
     }
 
-    private fun makeAuth(): String {
+    public fun makeAuth(): String {
         return "&signal=" + AppInfoUtils.getSingInfo(
             App.getmContext(),
             App.getApplication().packageName,
diff --git a/app/src/main/java/xyz/fycz/myreader/ui/activity/DonateActivity.java b/app/src/main/java/xyz/fycz/myreader/ui/activity/DonateActivity.java
index 11da225..fd6716f 100644
--- a/app/src/main/java/xyz/fycz/myreader/ui/activity/DonateActivity.java
+++ b/app/src/main/java/xyz/fycz/myreader/ui/activity/DonateActivity.java
@@ -62,7 +62,7 @@ public class DonateActivity extends BaseActivity {
 
     private void initAd() {
         binding.llAdSupport.setVisibility(View.VISIBLE);
-        new DdSdkFlowAd().getFlowViews(DonateActivity.this, 4,  new DdSdkFlowAd.FlowCallback() {
+        /*new DdSdkFlowAd().getFlowViews(DonateActivity.this, 4,  new DdSdkFlowAd.FlowCallback() {
                 // 信息流广告拉取完毕后返回的 views
                 @Override
                 public void getFlowView(View view) {
@@ -81,7 +81,7 @@ public class DonateActivity extends BaseActivity {
                 public void error(String msg) {
                     Log.d(TAG, "广告拉取失败\n" + msg);
                 }
-            });
+            });*/
         }
 
     @Override
diff --git a/app/src/main/java/xyz/fycz/myreader/ui/activity/LoginActivity.java b/app/src/main/java/xyz/fycz/myreader/ui/activity/LoginActivity.java
index b457198..0333ff7 100644
--- a/app/src/main/java/xyz/fycz/myreader/ui/activity/LoginActivity.java
+++ b/app/src/main/java/xyz/fycz/myreader/ui/activity/LoginActivity.java
@@ -30,6 +30,7 @@ import xyz.fycz.myreader.ui.dialog.LoadingDialog;
 import xyz.fycz.myreader.util.CodeUtil;
 import xyz.fycz.myreader.util.CyptoUtils;
 import xyz.fycz.myreader.util.ToastUtils;
+import xyz.fycz.myreader.util.utils.GsonExtensionsKt;
 import xyz.fycz.myreader.util.utils.NetworkUtils;
 import xyz.fycz.myreader.util.utils.StringUtils;
 
@@ -112,6 +113,12 @@ public class LoginActivity extends BaseActivity implements TextWatcher {
                     if (result.getCode() == 102) {
                         loginSuccess();
                         ToastUtils.showSuccess(result.getResult().toString());
+                    } else if (result.getCode() == 109) {
+                        user.setUserName(GsonExtensionsKt.getGSON()
+                                .fromJson(result.getResult().toString(), User.class)
+                                .getUserName());
+                        loginSuccess();
+                        ToastUtils.showSuccess("登录成功");
                     } else if (result.getCode() == 301) {
                         Intent intent = new Intent(LoginActivity.this, AuthEmailActivity.class);
                         BitIntentDataManager.getInstance().putData(intent, user);
diff --git a/app/src/main/java/xyz/fycz/myreader/ui/activity/SplashActivity.java b/app/src/main/java/xyz/fycz/myreader/ui/activity/SplashActivity.java
index e85def3..d67da16 100644
--- a/app/src/main/java/xyz/fycz/myreader/ui/activity/SplashActivity.java
+++ b/app/src/main/java/xyz/fycz/myreader/ui/activity/SplashActivity.java
@@ -1,5 +1,7 @@
 package xyz.fycz.myreader.ui.activity;
 
+import android.app.Activity;
+import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
@@ -50,6 +52,9 @@ public class SplashActivity extends BaseActivity {
     private int todayAdCount;
     private int adTimes;
     private boolean hasStart = false;
+    private boolean startToAd = false;
+    private static final String INTENT_TO_AD = "startToAd";
+
 
     //创建子线程
     private Runnable start = () -> {
@@ -85,6 +90,15 @@ public class SplashActivity extends BaseActivity {
         }
     };
 
+    public static void start(Context context) {
+        Intent intent = new Intent(context, SplashActivity.class);
+        if (!(context instanceof Activity)) {
+            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        }
+        intent.putExtra(INTENT_TO_AD, true);
+        context.startActivity(intent);
+    }
+
     @Override
     protected void bindView() {
         binding = ActivitySplashBinding.inflate(getLayoutInflater());
@@ -95,7 +109,7 @@ public class SplashActivity extends BaseActivity {
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         // 避免从桌面启动程序后，会重新实例化入口类的activity
-        if ((getIntent().getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) {
+        if ((getIntent().getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0 && !startToAd) {
             finish();
             return;
         }
@@ -122,6 +136,7 @@ public class SplashActivity extends BaseActivity {
 
     @Override
     protected void initData(Bundle savedInstanceState) {
+        startToAd = getIntent().getBooleanExtra(INTENT_TO_AD, false);
         spu = SharedPreUtils.getInstance();
         String splashAdCount = spu.getString("splashAdCount");
         adTimes = spu.getInt("curAdTimes", 3);
@@ -158,26 +173,25 @@ public class SplashActivity extends BaseActivity {
             /*App.getHandler().postDelayed(() -> {
                 binding.tvSkip.setVisibility(View.VISIBLE);
             }, 2000);*/
-            AdUtils.checkHasAd()
-                    .subscribe(new MySingleObserver<Boolean>() {
-                        @Override
-                        public void onSuccess(@NonNull Boolean aBoolean) {
-                            if (aBoolean) {
-                                //AdUtils.initAd();
-                                startWithAd();
-                                binding.ivSplash.setVisibility(View.GONE);
-                                binding.llAd.setVisibility(View.VISIBLE);
-                            } else {
-                                startNoAd();
-                            }
-
-                        }
-
-                        @Override
-                        public void onError(Throwable e) {
+        AdUtils.checkHasAd()
+                .subscribe(new MySingleObserver<Boolean>() {
+                    @Override
+                    public void onSuccess(@NonNull Boolean aBoolean) {
+                        if (aBoolean) {
+                            //AdUtils.initAd();
+                            startWithAd();
+                            binding.ivSplash.setVisibility(View.GONE);
+                            binding.llAd.setVisibility(View.VISIBLE);
+                        } else {
                             startNoAd();
                         }
-                    });
+                    }
+
+                    @Override
+                    public void onError(Throwable e) {
+                        startNoAd();
+                    }
+                });
         //}
     }
 
@@ -193,6 +207,10 @@ public class SplashActivity extends BaseActivity {
 
     private void startNormal() {
         if (!App.isDestroy(this)) {
+            if (startToAd) {
+                finish();
+                return;
+            }
             if (BookGroupService.getInstance().curGroupIsPrivate()) {
                 App.runOnUiThread(() -> {
                     MyAlertDialog.showPrivateVerifyDia(SplashActivity.this, needGoTo -> {
@@ -218,6 +236,7 @@ public class SplashActivity extends BaseActivity {
                 // 展示成功
                 @Override
                 public void show() {
+                    SharedPreUtils.getInstance(true).putLong("splashAdTime", System.currentTimeMillis());
                     Log.d(TAG, "广告展示成功");
                     AdUtils.adRecord("splash", "adShow");
                     countTodayAd();
diff --git a/app/src/main/java/xyz/fycz/myreader/util/SharedPreUtils.java b/app/src/main/java/xyz/fycz/myreader/util/SharedPreUtils.java
index d682e9d..f2613cc 100644
--- a/app/src/main/java/xyz/fycz/myreader/util/SharedPreUtils.java
+++ b/app/src/main/java/xyz/fycz/myreader/util/SharedPreUtils.java
@@ -13,98 +13,110 @@ import java.util.Map;
 
 public class SharedPreUtils {
     public static final String SHARED_NAME = "FYReader_pref";
+    public static final String AD_SHARED_NAME = "FYReader_ad_pref";
     private static SharedPreUtils sInstance;
+    private final SharedPreferences[] sharedReadables;
     private SharedPreferences sharedReadable;
     private SharedPreferences.Editor sharedWritable;
 
-    private SharedPreUtils(){
-        sharedReadable = App.getmContext()
-                .getSharedPreferences(SHARED_NAME, Context.MODE_MULTI_PROCESS);
-        sharedWritable = sharedReadable.edit();
+    private SharedPreUtils() {
+        sharedReadables = new SharedPreferences[]{
+                App.getmContext().getSharedPreferences(SHARED_NAME, Context.MODE_MULTI_PROCESS),
+                App.getmContext().getSharedPreferences(AD_SHARED_NAME, Context.MODE_MULTI_PROCESS)
+        };
     }
 
-    public static SharedPreUtils getInstance(){
-        if(sInstance == null){
-            synchronized (SharedPreUtils.class){
-                if (sInstance == null){
+    public static SharedPreUtils getInstance() {
+        return getInstance(false);
+    }
+
+    public static SharedPreUtils getInstance(boolean ad) {
+        if (sInstance == null) {
+            synchronized (SharedPreUtils.class) {
+                if (sInstance == null) {
                     sInstance = new SharedPreUtils();
                 }
             }
         }
+        sInstance.sharedReadable = sInstance.sharedReadables[!ad ? 0 : 1];
+        sInstance.sharedWritable = sInstance.sharedReadable.edit();
         return sInstance;
     }
 
-    public SharedPreferences getSharedPreferences(){
+    public SharedPreferences getSharedPreferences() {
         return sharedReadable;
     }
 
-    public void putString(String key,String value){
-        sharedWritable.putString(key,value);
+    public void putString(String key, String value) {
+        sharedWritable.putString(key, value);
         sharedWritable.apply();
     }
 
-    public void putInt(String key,int value){
+    public void putInt(String key, int value) {
         sharedWritable.putInt(key, value);
         sharedWritable.apply();
     }
 
-    public void putBoolean(String key,boolean value){
+    public void putBoolean(String key, boolean value) {
         sharedWritable.putBoolean(key, value);
         sharedWritable.apply();
     }
 
-    public void putFloat(String key,float value){
+    public void putFloat(String key, float value) {
         sharedWritable.putFloat(key, value);
         sharedWritable.apply();
     }
 
-    public void putLong(String key, long value){
+    public void putLong(String key, long value) {
         sharedWritable.putLong(key, value);
         sharedWritable.apply();
     }
 
-    public String getString(String key){
-        return getString(key,"");
+    public String getString(String key) {
+        return getString(key, "");
     }
 
-    public String getString(String key, String def){
-        return sharedReadable.getString(key,def);
+    public String getString(String key, String def) {
+        return sharedReadable.getString(key, def);
     }
 
-    public int getInt(String key){
-        return getInt(key,0);
+    public int getInt(String key) {
+        return getInt(key, 0);
     }
 
-    public int getInt(String key, int def){
+    public int getInt(String key, int def) {
         return sharedReadable.getInt(key, def);
     }
 
-    public boolean getBoolean(String key){
-        return getBoolean(key,false);
+    public boolean getBoolean(String key) {
+        return getBoolean(key, false);
     }
 
-    public boolean getBoolean(String key,boolean def){
+    public boolean getBoolean(String key, boolean def) {
         return sharedReadable.getBoolean(key, def);
     }
 
-    public float getFloat(String key){
+    public float getFloat(String key) {
         return getFloat(key, 0);
     }
-    public float getFloat(String key, float def){
+
+    public float getFloat(String key, float def) {
         return sharedReadable.getFloat(key, def);
     }
-    public long getLong(String key){
+
+    public long getLong(String key) {
         return getLong(key, 0);
     }
-    public long getLong(String key, long def){
+
+    public long getLong(String key, long def) {
         return sharedReadable.getLong(key, def);
     }
 
-    public void remove(String key){
+    public void remove(String key) {
         sharedWritable.remove(key).apply();
     }
 
-    public Map<String, ?> getAll(){
+    public Map<String, ?> getAll() {
         return sharedReadable.getAll();
     }
 
diff --git a/app/src/main/java/xyz/fycz/myreader/util/utils/AdUtils.java b/app/src/main/java/xyz/fycz/myreader/util/utils/AdUtils.java
index 837d784..028e971 100644
--- a/app/src/main/java/xyz/fycz/myreader/util/utils/AdUtils.java
+++ b/app/src/main/java/xyz/fycz/myreader/util/utils/AdUtils.java
@@ -17,7 +17,9 @@ import okhttp3.RequestBody;
 import xyz.fycz.myreader.application.App;
 import xyz.fycz.myreader.base.observer.MySingleObserver;
 import xyz.fycz.myreader.common.URLCONST;
+import xyz.fycz.myreader.entity.AdBean;
 import xyz.fycz.myreader.model.user.UserService;
+import xyz.fycz.myreader.model.user.UserService2;
 import xyz.fycz.myreader.util.SharedPreUtils;
 import xyz.fycz.myreader.util.help.DateHelper;
 
@@ -28,28 +30,44 @@ import xyz.fycz.myreader.util.help.DateHelper;
 public class AdUtils {
     public static final String TAG = AdUtils.class.getSimpleName();
     private static boolean hasInitAd = false;
+    public static AdBean adConfig;
+
+    static {
+        String config = SharedPreUtils.getInstance(true).getString("adConfig");
+        adConfig = GsonExtensionsKt.getGSON().fromJson(config, AdBean.class);
+        if (adConfig == null || adConfig.getBackAdTime() == 0) {
+            adConfig = new AdBean(false, 20, 60);
+        }
+    }
 
     public static Single<Boolean> checkHasAd() {
         return Single.create((SingleOnSubscribe<Boolean>) emitter -> {
-            MediaType mediaType = MediaType.parse("application/x-www-form-urlencoded");
-            String body = "type=hasAd" + UserService.makeSignalParam();
-            RequestBody requestBody = RequestBody.create(mediaType, body);
-            String jsonStr = OkHttpUtils.getHtml(URLCONST.AD_URL, requestBody, "UTF-8");
             boolean hasAd = false;
-            try {
-                JSONObject jsonObject = new JSONObject(jsonStr);
-                int code = jsonObject.getInt("code");
-                if (code > 200) {
-                    Log.e(TAG, "checkHasAd-->errorCode：" + code);
-                    if (code == 213) {
-                        hasAd = true;
+            if (!adConfig.isCloud()) {
+                MediaType mediaType = MediaType.parse("application/x-www-form-urlencoded");
+                String body = "type=adConfig" + UserService2.INSTANCE.makeAuth();
+                RequestBody requestBody = RequestBody.create(mediaType, body);
+                String jsonStr = OkHttpUtils.getHtml(URLCONST.AD_URL, requestBody, "UTF-8");
+                try {
+                    JSONObject jsonObject = new JSONObject(jsonStr);
+                    int code = jsonObject.getInt("code");
+                    if (code > 200) {
+                        Log.e(TAG, "checkHasAd-->errorCode：" + code);
+                        if (code == 213) {
+                            hasAd = true;
+                        }
+                    } else {
+                        String res = jsonObject.getString("result");
+                        SharedPreUtils.getInstance(true).putString("adConfig", res);
+                        adConfig = GsonExtensionsKt.getGSON().fromJson(res, AdBean.class);
+                        hasAd = adConfig.isHasAd();
                     }
-                } else {
-                    hasAd = jsonObject.getBoolean("result");
+                    Log.i(TAG, "hasAd：" + hasAd);
+                } catch (JSONException e) {
+                    e.printStackTrace();
                 }
-                Log.i(TAG, "hasAd：" + hasAd);
-            } catch (JSONException e) {
-                e.printStackTrace();
+            } else {
+                hasAd = adConfig.isHasAd();
             }
             emitter.onSuccess(hasAd);
         }).compose(RxUtils::toSimpleSingle);
@@ -58,7 +76,7 @@ public class AdUtils {
     public static void adRecord(String type, String name) {
         Single.create((SingleOnSubscribe<Boolean>) emitter -> {
             MediaType mediaType = MediaType.parse("application/x-www-form-urlencoded");
-            String body = "adType=" + type + "&type=" + name + UserService.makeSignalParam();
+            String body = "adType=" + type + "&type=" + name + UserService2.INSTANCE.makeAuth();
             RequestBody requestBody = RequestBody.create(mediaType, body);
             OkHttpUtils.getHtml(URLCONST.AD_URL, requestBody, "UTF-8");
             emitter.onSuccess(true);
@@ -78,7 +96,7 @@ public class AdUtils {
     public static Single<int[]> adTimes() {
         return Single.create((SingleOnSubscribe<int[]>) emitter -> {
             MediaType mediaType = MediaType.parse("application/x-www-form-urlencoded");
-            String body = "type=adTimes" + UserService.makeSignalParam();
+            String body = "type=adTimes" + UserService2.INSTANCE.makeAuth();
             RequestBody requestBody = RequestBody.create(mediaType, body);
             String jsonStr = OkHttpUtils.getHtml(URLCONST.AD_URL, requestBody, "UTF-8");
             JSONObject jsonObject = new JSONObject(jsonStr);
@@ -121,6 +139,19 @@ public class AdUtils {
         return adTimes < 0 || todayAdCount < adTimes || bookDetailAd;
     }
 
+    public static void backTime() {
+        SharedPreUtils.getInstance(true).putLong("backTime", System.currentTimeMillis());
+    }
+
+    public static boolean backSplashAd() {
+        SharedPreUtils sp = SharedPreUtils.getInstance(true);
+        Long splashAdTime = sp.getLong("splashAdTime");
+        Long backTime = sp.getLong("backTime");
+        Long currentTime = System.currentTimeMillis();
+        return currentTime - splashAdTime >= adConfig.getIntervalAdTime() * 60L * 1000 ||
+                currentTime - backTime >= adConfig.getBackAdTime() * 60L * 1000;
+    }
+
     public static void initAd() {
         /*if (!hasInitAd) {
             hasInitAd = true;
diff --git a/app/src/main/res/layout/activity_donate.xml b/app/src/main/res/layout/activity_donate.xml
index e1d2d60..522864f 100644
--- a/app/src/main/res/layout/activity_donate.xml
+++ b/app/src/main/res/layout/activity_donate.xml
@@ -139,6 +139,7 @@
                 android:layout_width="match_parent"
                 android:layout_height="25dp"
                 android:background="@color/colorForeground"
+                android:visibility="gone"
                 android:paddingLeft="5dp"
                 android:paddingRight="5dp">
 
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index 5a29fd5..d426257 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -34,7 +34,7 @@
             android:layout_marginTop="20dp"
             android:drawablePadding="10dp"
             app:counterEnabled="true"
-            app:counterMaxLength="14">
+            app:counterMaxLength="100">
 
             <com.google.android.material.textfield.TextInputEditText
                 android:layout_width="match_parent"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index e078713..65827ed 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -95,7 +95,7 @@
     <string name="et_email">请输入邮箱</string>
     <string name="et_rp_captcha">请输入验证码</string>
     <string name="et_email_captcha">请输入邮箱验证码</string>
-    <string name="et_account_tip">请输入用户名</string>
+    <string name="et_account_tip">请输入用户名/邮箱</string>
     <string name="text_register">注册</string>
     <string name="text_agreement_tip">我已阅读并同意《<a href="https://shimo.im/docs/RgkDpd3D3Gp6t3rD">用户服务协议</a>》</string>