diff --git a/.idea/misc.xml b/.idea/misc.xml
index e6714f8..7bfef59 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,10 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectPlainTextFileTypeManager">
-    <file url="file://$PROJECT_DIR$/app/src/main/assets/AndroidManifest.xml" />
-    <file url="file://$PROJECT_DIR$/app/src/main/assets/apk/AndroidManifest.xml" />
-    <file url="file://$PROJECT_DIR$/app/src/main/assets/apk/AndroidManifest.xml" />
-  </component>
   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
diff --git a/app/src/main/java/com/zane/smapiinstaller/MainActivity.java b/app/src/main/java/com/zane/smapiinstaller/MainActivity.java
index d9fe736..2e42a6f 100644
--- a/app/src/main/java/com/zane/smapiinstaller/MainActivity.java
+++ b/app/src/main/java/com/zane/smapiinstaller/MainActivity.java
@@ -23,6 +23,7 @@ import com.zane.smapiinstaller.entity.DaoSession;
 import com.zane.smapiinstaller.entity.FrameworkConfig;
 import com.zane.smapiinstaller.logic.ConfigManager;
 import com.zane.smapiinstaller.logic.GameLauncher;
+import com.zane.smapiinstaller.logic.ModAssetsManager;
 import com.zane.smapiinstaller.utils.DialogUtils;
 import com.zane.smapiinstaller.utils.TranslateUtil;
 
@@ -168,6 +169,9 @@ public class MainActivity extends AppCompatActivity {
             case R.id.settings_translation_service:
                 selectTranslateServiceLogic();
                 return true;
+            case R.id.toolbar_update_check:
+                updateCheckLogic();
+                return true;
             default:
                 return super.onOptionsItemSelected(item);
         }
@@ -270,6 +274,11 @@ public class MainActivity extends AppCompatActivity {
         }).show());
     }
 
+    private void updateCheckLogic() {
+        ModAssetsManager modAssetsManager = new ModAssetsManager(toolbar);
+        modAssetsManager.checkModUpdate();
+    }
+
     @Override
     public boolean onSupportNavigateUp() {
         NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
diff --git a/app/src/main/java/com/zane/smapiinstaller/MainApplication.java b/app/src/main/java/com/zane/smapiinstaller/MainApplication.java
index 1c54b56..812a1cb 100644
--- a/app/src/main/java/com/zane/smapiinstaller/MainApplication.java
+++ b/app/src/main/java/com/zane/smapiinstaller/MainApplication.java
@@ -8,7 +8,6 @@ import com.lzy.okgo.OkGo;
 import com.zane.smapiinstaller.entity.DaoMaster;
 import com.zane.smapiinstaller.entity.DaoSession;
 import com.zane.smapiinstaller.utils.DbOpenHelper;
-import com.zane.smapiinstaller.utils.GzipRequestInterceptor;
 
 import org.greenrobot.greendao.database.Database;
 
@@ -27,7 +26,7 @@ public class MainApplication extends Application {
         super.onCreate();
         OkHttpClient okHttpClient = new OkHttpClient.Builder()
                 //开启Gzip压缩
-                .addInterceptor(new GzipRequestInterceptor())
+//                .addInterceptor(new GzipRequestInterceptor())
                 .build();
         OkGo.getInstance().setOkHttpClient(okHttpClient).init(this);
         LanguagesManager.init(this);
diff --git a/app/src/main/java/com/zane/smapiinstaller/constant/Constants.java b/app/src/main/java/com/zane/smapiinstaller/constant/Constants.java
index 3451e49..e8dc346 100644
--- a/app/src/main/java/com/zane/smapiinstaller/constant/Constants.java
+++ b/app/src/main/java/com/zane/smapiinstaller/constant/Constants.java
@@ -69,4 +69,9 @@ public class Constants {
      * 平台
      */
     public static final String PLATFORM = "Android";
+
+    /**
+     * SMAPI更新服务
+     */
+    public static final String UPDATE_CHECK_SERVICE_URL = "https://smapi.io/api/v" + SMAPI_VERSION + "/mods";
 }
diff --git a/app/src/main/java/com/zane/smapiinstaller/dto/ModUpdateCheckRequestDto.java b/app/src/main/java/com/zane/smapiinstaller/dto/ModUpdateCheckRequestDto.java
new file mode 100644
index 0000000..e075991
--- /dev/null
+++ b/app/src/main/java/com/zane/smapiinstaller/dto/ModUpdateCheckRequestDto.java
@@ -0,0 +1,142 @@
+package com.zane.smapiinstaller.dto;
+
+import android.util.Log;
+
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
+import com.google.common.base.CharMatcher;
+import com.google.common.base.Splitter;
+import com.zane.smapiinstaller.constant.Constants;
+import com.zane.smapiinstaller.entity.ModManifestEntry;
+
+import org.apache.commons.lang3.RegExUtils;
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.List;
+
+import lombok.Data;
+import lombok.NonNull;
+import lombok.RequiredArgsConstructor;
+
+/**
+ * @author Zane
+ */
+@Data
+@RequiredArgsConstructor
+public class ModUpdateCheckRequestDto {
+
+    /**
+     * 待检查MOD列表
+     */
+    @NonNull
+    private List<ModInfo> mods;
+    /**
+     * SMAPI版本
+     */
+    private SemanticVersion apiVersion = new SemanticVersion(Constants.SMAPI_VERSION);
+    /**
+     * 游戏版本
+     */
+    @NonNull
+    private SemanticVersion gameVersion;
+    /**
+     * 平台版本
+     */
+    private String platform = Constants.PLATFORM;
+    /**
+     * 是否拉取MOD详情
+     */
+    private boolean includeExtendedMetadata = false;
+
+    @Data
+    @JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY, getterVisibility = JsonAutoDetect.Visibility.NONE)
+    public static class SemanticVersion {
+        private int MajorVersion;
+        private int MinorVersion;
+        private int PatchVersion;
+        private int PlatformRelease;
+        private String PrereleaseTag;
+        private String BuildMetadata;
+
+        public SemanticVersion(String versionStr) {
+            // init
+            MajorVersion = 0;
+            MinorVersion = 0;
+            PatchVersion = 0;
+            PlatformRelease = 0;
+            PrereleaseTag = null;
+            BuildMetadata = null;
+            // normalize
+            versionStr = StringUtils.trim(versionStr);
+            if (StringUtils.isBlank(versionStr)) {
+                return;
+            }
+            List<String> versionSections = Splitter.on(CharMatcher.anyOf(".-+")).splitToList(versionStr);
+            // read major/minor version
+            int i = 0;
+            if (versionSections.size() > i) {
+                MajorVersion = Integer.parseInt(versionSections.get(i));
+            }
+            else {
+                return;
+            }
+            i++;
+            if (versionSections.size() > i) {
+                MinorVersion = Integer.parseInt(versionSections.get(i));
+            }
+            else {
+                return;
+            }
+            i++;
+            // read optional patch version
+            if (versionSections.size() > i) {
+                PatchVersion = Integer.parseInt(versionSections.get(i));
+            }
+            else {
+                return;
+            }
+            i++;
+            // read optional non-standard platform release version
+            try {
+                if (versionSections.size() > i) {
+                    PlatformRelease = Integer.parseInt(versionSections.get(i));
+                }
+                else {
+                    return;
+                }
+            } catch (NumberFormatException ignored) {
+            }
+            // read optional prerelease tag
+            versionSections = Splitter.on("-").limit(2).splitToList(versionStr);
+            if (versionSections.size() > 1) {
+                PrereleaseTag = RegExUtils.removeFirst(versionSections.get(1), "\\+.*");
+            }
+            else {
+                return;
+            }
+            // read optional build tag
+            versionSections = Splitter.on("+").limit(2).splitToList(versionStr);
+            if (versionSections.size() > 1) {
+                BuildMetadata = versionSections.get(1);
+            }
+        }
+    }
+
+    @Data
+    public static class ModInfo {
+        private String id;
+        private List<String> updateKeys;
+        private SemanticVersion installedVersion;
+
+        public static ModInfo fromModManifestEntry(ModManifestEntry mod) {
+            ModInfo modInfo = new ModInfo();
+            modInfo.setId(mod.getUniqueID());
+            try {
+                modInfo.setInstalledVersion(new SemanticVersion(mod.getVersion()));
+            } catch (Exception e) {
+                Log.d("", "", e);
+            }
+            modInfo.setUpdateKeys(mod.getUpdateKeys());
+            return modInfo;
+        }
+    }
+}
diff --git a/app/src/main/java/com/zane/smapiinstaller/dto/ModUpdateCheckResponseDto.java b/app/src/main/java/com/zane/smapiinstaller/dto/ModUpdateCheckResponseDto.java
new file mode 100644
index 0000000..b652b88
--- /dev/null
+++ b/app/src/main/java/com/zane/smapiinstaller/dto/ModUpdateCheckResponseDto.java
@@ -0,0 +1,20 @@
+package com.zane.smapiinstaller.dto;
+
+import java.util.List;
+
+import lombok.Data;
+
+/**
+ * @author Zane
+ */
+@Data
+public class ModUpdateCheckResponseDto {
+    private String id;
+    private UpdateInfo suggestedUpdate;
+    private List<String> errors;
+    @Data
+    public static class UpdateInfo {
+        private String version;
+        private String url;
+    }
+}
diff --git a/app/src/main/java/com/zane/smapiinstaller/logic/ApkPatcher.java b/app/src/main/java/com/zane/smapiinstaller/logic/ApkPatcher.java
index 6a8ed51..b5133e7 100644
--- a/app/src/main/java/com/zane/smapiinstaller/logic/ApkPatcher.java
+++ b/app/src/main/java/com/zane/smapiinstaller/logic/ApkPatcher.java
@@ -189,6 +189,9 @@ public class ApkPatcher {
         AtomicReference<String> packageName = new AtomicReference<>();
         AtomicLong versionCode = new AtomicLong();
         Predicate<ManifestTagVisitor.AttrArgs> processLogic = (attr) -> {
+            if(attr == null) {
+                return true;
+            }
             if (attr.type == NodeVisitor.TYPE_STRING) {
                 String strObj = (String) attr.obj;
                 switch (attr.name) {
@@ -227,6 +230,9 @@ public class ApkPatcher {
         try {
             byte[] modifyManifest = CommonLogic.modifyManifest(bytes, processLogic);
             Iterables.removeIf(manifests, manifest -> {
+                if(manifest == null) {
+                    return true;
+                }
                 if (versionCode.get() < manifest.getMinBuildCode()) {
                     return true;
                 }
diff --git a/app/src/main/java/com/zane/smapiinstaller/logic/CommonLogic.java b/app/src/main/java/com/zane/smapiinstaller/logic/CommonLogic.java
index 9d7a727..62ad9bc 100644
--- a/app/src/main/java/com/zane/smapiinstaller/logic/CommonLogic.java
+++ b/app/src/main/java/com/zane/smapiinstaller/logic/CommonLogic.java
@@ -42,11 +42,13 @@ import pxb.android.axml.NodeVisitor;
 
 /**
  * 通用逻辑
+ *
  * @author Zane
  */
 public class CommonLogic {
     /**
      * 从View获取所属Activity
+     *
      * @param view context容器
      * @return Activity
      */
@@ -65,19 +67,34 @@ public class CommonLogic {
 
     /**
      * 从一个View获取Application
+     *
      * @param view 控件
      * @return Application
      */
     public static MainApplication getApplicationFromView(View view) {
         Activity activity = getActivityFromView(view);
-        if(null != activity) {
+        if (null != activity) {
             return (MainApplication) activity.getApplication();
         }
         return null;
     }
 
+    /**
+     * 当data非null时执行操作
+     *
+     * @param data   数据
+     * @param action 操作
+     * @param <T>    泛型
+     */
+    public static <T> void doOnNonNull(T data, Consumer<T> action) {
+        if (data != null) {
+            action.accept(data);
+        }
+    }
+
     /**
      * 打开指定URL
+     *
      * @param context context
      * @param url     目标URL
      */
@@ -87,22 +104,23 @@ public class CommonLogic {
             intent.setData(Uri.parse(url));
             intent.setAction(Intent.ACTION_VIEW);
             context.startActivity(intent);
-        }
-        catch (ActivityNotFoundException ignored){
+        } catch (ActivityNotFoundException ignored) {
         }
     }
 
     /**
      * 复制文本到剪贴板
+     *
      * @param context 上下文
      * @param copyStr 文本
      * @return 是否复制成功
      */
     public static boolean copyToClipboard(Context context, String copyStr) {
         try {
-            ClipboardManager cm = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
-            ClipData mClipData = ClipData.newPlainText("Label", copyStr);
-            cm.setPrimaryClip(mClipData);
+            CommonLogic.doOnNonNull(context.getSystemService(Context.CLIPBOARD_SERVICE), cm -> {
+                ClipData mClipData = ClipData.newPlainText("Label", copyStr);
+                ((ClipboardManager) cm).setPrimaryClip(mClipData);
+            });
             return true;
         } catch (Exception e) {
             return false;
@@ -111,6 +129,7 @@ public class CommonLogic {
 
     /**
      * 扫描全部兼容包
+     *
      * @param context context
      * @return 兼容包列表
      */
@@ -130,10 +149,9 @@ public class CommonLogic {
             }
         }
         Collections.sort(apkFilesManifests, (a, b) -> {
-            if(a.getTargetPackageName() != null && b.getTargetPackageName() == null) {
+            if (a.getTargetPackageName() != null && b.getTargetPackageName() == null) {
                 return -1;
-            }
-            else if(b.getTargetPackageName() != null){
+            } else if (b.getTargetPackageName() != null) {
                 return Long.compare(b.getMinBuildCode(), a.getMinBuildCode());
             }
             return 1;
@@ -143,13 +161,15 @@ public class CommonLogic {
 
     /**
      * 提取SMAPI环境文件到内部存储对应位置
-     * @param context  context
-     * @param apkPath  安装包路径
+     *
+     * @param context   context
+     * @param apkPath   安装包路径
      * @param checkMode 是否为校验模式
      * @return 操作是否成功
      */
     public static boolean unpackSmapiFiles(Context context, String apkPath, boolean checkMode) {
-        List<ManifestEntry> manifestEntries = FileUtils.getAssetJson(context, "smapi_files_manifest.json", new TypeReference<List<ManifestEntry>>() { });
+        List<ManifestEntry> manifestEntries = FileUtils.getAssetJson(context, "smapi_files_manifest.json", new TypeReference<List<ManifestEntry>>() {
+        });
         if (manifestEntries == null) {
             return false;
         }
@@ -199,6 +219,7 @@ public class CommonLogic {
 
     /**
      * 修改AndroidManifest.xml文件
+     *
      * @param bytes        AndroidManifest.xml文件字符数组
      * @param processLogic 处理逻辑
      * @return 修改后的AndroidManifest.xml文件字符数组
diff --git a/app/src/main/java/com/zane/smapiinstaller/logic/GameLauncher.java b/app/src/main/java/com/zane/smapiinstaller/logic/GameLauncher.java
index 598974b..6697a15 100644
--- a/app/src/main/java/com/zane/smapiinstaller/logic/GameLauncher.java
+++ b/app/src/main/java/com/zane/smapiinstaller/logic/GameLauncher.java
@@ -24,10 +24,11 @@ public class GameLauncher {
     }
 
     /**
-     * 启动逻辑
+     * 检查已安装MOD版本游戏
+     * @param context 上下文
+     * @return 软件包信息
      */
-    public void launch() {
-        Activity context = CommonLogic.getActivityFromView(root);
+    public static PackageInfo getGamePackageInfo(Activity context) {
         PackageManager packageManager = context.getPackageManager();
         try {
             PackageInfo packageInfo;
@@ -36,20 +37,35 @@ public class GameLauncher {
             } catch (PackageManager.NameNotFoundException ignored) {
                 packageInfo = packageManager.getPackageInfo(Constants.TARGET_PACKAGE_NAME_SAMSUNG, 0);
             }
+            return packageInfo;
+        } catch (PackageManager.NameNotFoundException ignored) {
+            return null;
+        }
+    }
+
+    /**
+     * 启动逻辑
+     */
+    public void launch() {
+        Activity context = CommonLogic.getActivityFromView(root);
+        PackageManager packageManager = context.getPackageManager();
+        try {
+            PackageInfo packageInfo = getGamePackageInfo(context);
+            if(packageInfo == null) {
+                DialogUtils.showAlertDialog(root, R.string.error, R.string.error_smapi_not_installed);
+                return;
+            }
             if(!CommonLogic.unpackSmapiFiles(context, packageInfo.applicationInfo.publicSourceDir, true)) {
                 DialogUtils.showAlertDialog(root, R.string.error, R.string.error_failed_to_repair);
                 return;
             }
             ModAssetsManager modAssetsManager = new ModAssetsManager(root);
-            PackageInfo finalPackageInfo = packageInfo;
             modAssetsManager.checkModEnvironment((isConfirm) -> {
                 if(isConfirm) {
-                    Intent intent = packageManager.getLaunchIntentForPackage(finalPackageInfo.packageName);
+                    Intent intent = packageManager.getLaunchIntentForPackage(packageInfo.packageName);
                     context.startActivity(intent);
                 }
             });
-        } catch (PackageManager.NameNotFoundException ignored) {
-            DialogUtils.showAlertDialog(root, R.string.error, R.string.error_smapi_not_installed);
         } catch (Exception e) {
             Crashes.trackError(e);
             DialogUtils.showAlertDialog(root, R.string.error, e.getLocalizedMessage());
diff --git a/app/src/main/java/com/zane/smapiinstaller/logic/ModAssetsManager.java b/app/src/main/java/com/zane/smapiinstaller/logic/ModAssetsManager.java
index d92c571..dc861c6 100644
--- a/app/src/main/java/com/zane/smapiinstaller/logic/ModAssetsManager.java
+++ b/app/src/main/java/com/zane/smapiinstaller/logic/ModAssetsManager.java
@@ -1,6 +1,7 @@
 package com.zane.smapiinstaller.logic;
 
 import android.app.Activity;
+import android.content.pm.PackageInfo;
 import android.os.Environment;
 import android.util.Log;
 import android.view.View;
@@ -8,17 +9,23 @@ import android.view.View;
 import com.afollestad.materialdialogs.DialogAction;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.google.common.base.Joiner;
-import com.google.common.base.Predicate;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableListMultimap;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Multimaps;
 import com.google.common.collect.Queues;
+import com.lzy.okgo.OkGo;
+import com.lzy.okgo.model.Response;
+import com.microsoft.appcenter.crashes.Crashes;
 import com.zane.smapiinstaller.R;
 import com.zane.smapiinstaller.constant.Constants;
+import com.zane.smapiinstaller.dto.ModUpdateCheckRequestDto;
+import com.zane.smapiinstaller.dto.ModUpdateCheckResponseDto;
 import com.zane.smapiinstaller.entity.ModManifestEntry;
 import com.zane.smapiinstaller.utils.DialogUtils;
 import com.zane.smapiinstaller.utils.FileUtils;
+import com.zane.smapiinstaller.utils.JSONUtil;
+import com.zane.smapiinstaller.utils.JsonCallback;
 import com.zane.smapiinstaller.utils.VersionUtil;
 
 import org.apache.commons.lang3.StringUtils;
@@ -30,12 +37,12 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
+import androidx.core.util.Consumer;
 import java9.util.Objects;
+import java9.util.function.Predicate;
 import java9.util.stream.Collectors;
 import java9.util.stream.StreamSupport;
 
-import androidx.core.util.Consumer;
-
 /**
  * Mod资源管理器
  */
@@ -68,7 +75,7 @@ public class ModAssetsManager {
                         foundManifest = true;
                         if (manifest != null) {
                             manifest.setAssetPath(file.getParentFile().getAbsolutePath());
-                            if (filter.apply(manifest)) {
+                            if (filter.test(manifest)) {
                                 return manifest;
                             }
                         }
@@ -155,7 +162,7 @@ public class ModAssetsManager {
                 if (installedMods.size() > 1) {
                     DialogUtils.showAlertDialog(root, R.string.error,
                             String.format(context.getString(R.string.duplicate_mod_found),
-                                    Joiner.on(",").join(Lists.transform(installedMods, item -> FileUtils.toPrettyPath(item.getAssetPath())))));
+                                    StreamSupport.stream(installedMods).map(item -> FileUtils.toPrettyPath(item.getAssetPath())).collect(Collectors.joining(","))));
                     return false;
                 } else if (installedMods.size() == 0) {
                     installedMods = installedModMap.get(mod.getUniqueID().replace("ZaneYork.CustomLocalization", "SMAPI.CustomLocalization"));
@@ -212,7 +219,7 @@ public class ModAssetsManager {
         for (String key : installedModMap.keySet()) {
             ImmutableList<ModManifestEntry> installedMods = installedModMap.get(key);
             if (installedMods.size() > 1) {
-                list.add(Joiner.on(",").join(Lists.transform(installedMods, item -> FileUtils.toPrettyPath(item.getAssetPath()))));
+                list.add(StreamSupport.stream(installedMods).map(item -> FileUtils.toPrettyPath(item.getAssetPath())).collect(Collectors.joining(",")));
             }
         }
         if (!list.isEmpty()) {
@@ -284,6 +291,37 @@ public class ModAssetsManager {
         }
     }
 
+    public void checkModUpdate() {
+        List<ModUpdateCheckRequestDto.ModInfo> list = StreamSupport.stream(findAllInstalledMods(false))
+                .filter(mod -> mod.getUpdateKeys() != null && !mod.getUpdateKeys().isEmpty())
+                .map(ModUpdateCheckRequestDto.ModInfo::fromModManifestEntry)
+                .filter(modInfo -> modInfo.getInstalledVersion() != null)
+                .collect(Collectors.toList());
+        Activity context = CommonLogic.getActivityFromView(root);
+        PackageInfo gamePackageInfo = GameLauncher.getGamePackageInfo(context);
+        if (gamePackageInfo == null) {
+            return;
+        }
+        try {
+            ModUpdateCheckRequestDto requestDto = new ModUpdateCheckRequestDto(list, new ModUpdateCheckRequestDto.SemanticVersion(gamePackageInfo.versionName));
+            OkGo.<List<ModUpdateCheckResponseDto>>post(Constants.UPDATE_CHECK_SERVICE_URL)
+                    .upJson(JSONUtil.toJson(requestDto))
+                    .execute(new JsonCallback<List<ModUpdateCheckResponseDto>>(new TypeReference<List<ModUpdateCheckResponseDto>>() {
+                    }) {
+                        @Override
+                        public void onSuccess(Response<List<ModUpdateCheckResponseDto>> response) {
+                            List<ModUpdateCheckResponseDto> checkResponseDtos = response.body();
+                            if (checkResponseDtos != null) {
+                                List<ModUpdateCheckResponseDto> list = StreamSupport.stream(checkResponseDtos).filter(dto -> dto.getSuggestedUpdate() != null).collect(Collectors.toList());
+
+                            }
+                        }
+                    });
+        } catch (Exception e) {
+            Crashes.trackError(e);
+        }
+    }
+
     private String checkModDependencyError(ModManifestEntry mod, ImmutableListMultimap<String, ModManifestEntry> installedModMap) {
         if (mod.getDependencies() != null) {
             List<ModManifestEntry> unsatisfiedDependencies = StreamSupport.stream(mod.getDependencies())
diff --git a/app/src/main/java/com/zane/smapiinstaller/ui/about/AboutFragment.java b/app/src/main/java/com/zane/smapiinstaller/ui/about/AboutFragment.java
index 2a5b6f2..799a859 100644
--- a/app/src/main/java/com/zane/smapiinstaller/ui/about/AboutFragment.java
+++ b/app/src/main/java/com/zane/smapiinstaller/ui/about/AboutFragment.java
@@ -24,7 +24,6 @@ import androidx.fragment.app.Fragment;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
-import java9.util.Objects;
 
 /**
  * @author Zane
@@ -44,17 +43,16 @@ public class AboutFragment extends Fragment {
 
     @OnClick(R.id.button_release)
     void release() {
-        CommonLogic.openUrl(this.getContext(), "https://github.com/ZaneYork/SMAPI-Android-Installer/releases");
+        CommonLogic.doOnNonNull(this.getContext(), (context) -> CommonLogic.openUrl(context, "https://github.com/ZaneYork/SMAPI-Android-Installer/releases"));
     }
 
     @OnClick(R.id.button_gplay)
     void gplay() {
         try {
-            this.openPlayStore("market://details?id=" + this.getActivity().getPackageName());
+            CommonLogic.doOnNonNull(this.getActivity(), (activity) -> this.openPlayStore("market://details?id=" + activity.getPackageName()));
         } catch (ActivityNotFoundException ex) {
-            CommonLogic.openUrl(this.getContext(), "https://play.google.com/store/apps/details?id=" + this.getActivity().getPackageName());
+            CommonLogic.doOnNonNull(this.getActivity(), (activity) -> CommonLogic.openUrl(activity, "https://play.google.com/store/apps/details?id=" + activity.getPackageName()));
         }
-
     }
 
     private void openPlayStore(String url) {
@@ -62,29 +60,26 @@ public class AboutFragment extends Fragment {
         intent.setData(Uri.parse(url));
         intent.setPackage("com.android.vending");
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        this.getActivity().startActivity(intent);
+        CommonLogic.doOnNonNull(this.getActivity(), (activity) -> activity.startActivity(intent));
     }
 
     @OnClick({R.id.button_qq_group_1, R.id.button_qq_group_2})
     void joinQQ(Button which) {
         String baseUrl = "mqqopensdkapi://bizAgent/qm/qr?url=http%3A%2F%2Fqm.qq.com%2Fcgi-bin%2Fqm%2Fqr%3Ffrom%3Dapp%26p%3Dandroid%26k%3D";
         if (which.getId() == R.id.button_qq_group_1) {
-            CommonLogic.openUrl(this.getContext(), baseUrl + "AAflCLHiWw1haM1obu_f-CpGsETxXc6b");
+            CommonLogic.doOnNonNull(this.getContext(), (context) -> CommonLogic.openUrl(context, baseUrl + "AAflCLHiWw1haM1obu_f-CpGsETxXc6b"));
         } else {
-            CommonLogic.openUrl(this.getContext(), baseUrl + "kshK7BavcS2jXZ6exDvezc18ksLB8YsM");
+            CommonLogic.doOnNonNull(this.getContext(), (context) -> CommonLogic.openUrl(context, baseUrl + "kshK7BavcS2jXZ6exDvezc18ksLB8YsM"));
         }
     }
 
     @OnClick(R.id.button_donation)
     void donation() {
-        Context context = this.getContext();
-        DialogUtils.setCurrentDialog(new MaterialDialog.Builder(context)
+        CommonLogic.doOnNonNull(this.getContext(), (context) -> DialogUtils.setCurrentDialog(new MaterialDialog.Builder(context)
                 .title(R.string.button_donation_text)
                 .items(R.array.donation_methods)
                 .itemsCallback((dialog, itemView, position, text) ->
-                        CommonLogic.showAnimation(imgHeart, R.anim.heart_beat, (animation) -> {
-                            listSelectLogic(context, position);
-                        })).show());
+                        CommonLogic.showAnimation(imgHeart, R.anim.heart_beat, (animation) -> listSelectLogic(context, position))).show()));
     }
 
     private void listSelectLogic(Context context, int position) {
@@ -108,10 +103,11 @@ public class AboutFragment extends Fragment {
                 if (hasInstalledAlipayClient) {
                     if (CommonLogic.copyToClipboard(context, Constants.RED_PACKET_CODE)) {
                         PackageManager packageManager = context.getPackageManager();
-                        Intent intent = packageManager.getLaunchIntentForPackage("com.eg.android.AlipayGphone");
-                        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-                        context.startActivity(intent);
-                        Toast.makeText(context, R.string.toast_redpacket_message, Toast.LENGTH_LONG).show();
+                        CommonLogic.doOnNonNull(packageManager.getLaunchIntentForPackage("com.eg.android.AlipayGphone"), (intent) -> {
+                            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                            context.startActivity(intent);
+                            Toast.makeText(context, R.string.toast_redpacket_message, Toast.LENGTH_LONG).show();
+                        });
                     }
                 }
                 break;
diff --git a/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigEditFragment.java b/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigEditFragment.java
index 92dc9eb..0e129c6 100644
--- a/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigEditFragment.java
+++ b/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigEditFragment.java
@@ -14,6 +14,7 @@ import com.afollestad.materialdialogs.DialogAction;
 import com.zane.smapiinstaller.BuildConfig;
 import com.zane.smapiinstaller.R;
 import com.zane.smapiinstaller.constant.Constants;
+import com.zane.smapiinstaller.logic.CommonLogic;
 import com.zane.smapiinstaller.utils.DialogUtils;
 import com.zane.smapiinstaller.utils.FileUtils;
 import com.zane.smapiinstaller.utils.JSONUtil;
@@ -48,33 +49,36 @@ public class ConfigEditFragment extends Fragment {
                              ViewGroup container, Bundle savedInstanceState) {
         View root = inflater.inflate(R.layout.fragment_config_edit, container, false);
         ButterKnife.bind(this, root);
-        editable = this.getArguments().getBoolean("editable");
-        if(!editable) {
+        CommonLogic.doOnNonNull(this.getArguments(), arguments -> {
+            editable = arguments.getBoolean("editable");
+            configPath = arguments.getString("configPath");
+        });
+        if (!editable) {
             editText.setKeyListener(null);
             buttonConfigSave.setVisibility(View.INVISIBLE);
             buttonConfigCancel.setVisibility(View.INVISIBLE);
         }
-        configPath = this.getArguments().getString("configPath");
-        if(configPath != null) {
+        if (configPath != null) {
             File file = new File(configPath);
-            if(file.exists() && file.length() < Constants.TEXT_FILE_OPEN_SIZE_LIMIT) {
+            if (file.exists() && file.length() < Constants.TEXT_FILE_OPEN_SIZE_LIMIT) {
                 String fileText = FileUtils.getFileText(file);
                 if (fileText != null) {
                     editText.setText(fileText);
                 }
-            }
-            else {
+            } else {
                 editText.setText("");
                 editText.setKeyListener(null);
                 DialogUtils.showConfirmDialog(root, R.string.error, this.getString(R.string.text_too_large), R.string.open_with, R.string.cancel, ((dialog, which) -> {
-                    if(which == DialogAction.POSITIVE) {
+                    if (which == DialogAction.POSITIVE) {
                         Intent intent = new Intent("android.intent.action.VIEW");
                         intent.addCategory("android.intent.category.DEFAULT");
                         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                             intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
-                            Uri contentUri = FileProvider.getUriForFile(this.getContext(), BuildConfig.APPLICATION_ID + ".provider", file);
-                            intent.setDataAndType(contentUri, "text/plain");
+                            CommonLogic.doOnNonNull(this.getContext(), (context -> {
+                                Uri contentUri = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".provider", file);
+                                intent.setDataAndType(contentUri, "text/plain");
+                            }));
                         } else {
                             intent.setDataAndType(Uri.fromFile(file), "text/plain");
                         }
@@ -86,21 +90,23 @@ public class ConfigEditFragment extends Fragment {
         }
         return root;
     }
-    @OnClick(R.id.button_config_save) void onConfigSave() {
+
+    @OnClick(R.id.button_config_save)
+    void onConfigSave() {
         try {
             JSONUtil.checkJson(editText.getText().toString());
             FileOutputStream outputStream = new FileOutputStream(configPath);
-            try(OutputStreamWriter outputStreamWriter = new OutputStreamWriter(outputStream)){
+            try (OutputStreamWriter outputStreamWriter = new OutputStreamWriter(outputStream)) {
                 outputStreamWriter.write(editText.getText().toString());
                 outputStreamWriter.flush();
             }
-        }
-        catch (Exception e) {
+        } catch (Exception e) {
             DialogUtils.showAlertDialog(getView(), R.string.error, e.getLocalizedMessage());
         }
     }
 
-    @OnClick(R.id.button_config_cancel) void onConfigCancel() {
-        Navigation.findNavController(getView()).popBackStack();
+    @OnClick(R.id.button_config_cancel)
+    void onConfigCancel() {
+        CommonLogic.doOnNonNull(getView(), view -> Navigation.findNavController(view).popBackStack());
     }
 }
diff --git a/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigFragment.java b/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigFragment.java
index 0baf503..b3edeee 100644
--- a/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigFragment.java
+++ b/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigFragment.java
@@ -17,6 +17,7 @@ import butterknife.OnTextChanged;
 
 import com.afollestad.materialdialogs.MaterialDialog;
 import com.zane.smapiinstaller.R;
+import com.zane.smapiinstaller.logic.CommonLogic;
 import com.zane.smapiinstaller.utils.DialogUtils;
 
 import java.util.ArrayList;
@@ -55,7 +56,7 @@ public class ConfigFragment extends Fragment {
     @OnClick(R.id.button_sort_by)
     void onSortByClick() {
         int index;
-        switch (configViewModel.getSortBy()){
+        switch (configViewModel.getSortBy()) {
             case "Name asc":
                 index = 0;
                 break;
@@ -71,24 +72,27 @@ public class ConfigFragment extends Fragment {
             default:
                 index = 0;
         }
-        DialogUtils.setCurrentDialog(new MaterialDialog.Builder(this.getContext()).title(R.string.sort_by).items(R.array.mod_list_sort_by).itemsCallbackSingleChoice(index, (dialog, itemView, position, text) -> {
-            switch (position) {
-                case 0:
-                    configViewModel.switchSortBy("Name asc");
-                    break;
-                case 1:
-                    configViewModel.switchSortBy("Name desc");
-                    break;
-                case 2:
-                    configViewModel.switchSortBy("Date asc");
-                    break;
-                case 3:
-                    configViewModel.switchSortBy("Date desc");
-                    break;
-                default:
-                    return false;
-            }
-            return true;
-        }).show());
+        CommonLogic.doOnNonNull(this.getContext(), context -> DialogUtils.setCurrentDialog(new MaterialDialog.Builder(context)
+                .title(R.string.sort_by)
+                .items(R.array.mod_list_sort_by)
+                .itemsCallbackSingleChoice(index, (dialog, itemView, position, text) -> {
+                    switch (position) {
+                        case 0:
+                            configViewModel.switchSortBy("Name asc");
+                            break;
+                        case 1:
+                            configViewModel.switchSortBy("Name desc");
+                            break;
+                        case 2:
+                            configViewModel.switchSortBy("Date asc");
+                            break;
+                        case 3:
+                            configViewModel.switchSortBy("Date desc");
+                            break;
+                        default:
+                            return false;
+                    }
+                    return true;
+                }).show()));
     }
 }
diff --git a/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigViewModel.java b/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigViewModel.java
index 255d886..b138073 100644
--- a/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigViewModel.java
+++ b/app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigViewModel.java
@@ -39,9 +39,11 @@ class ConfigViewModel extends ViewModel implements ListenableObject<List<ModMani
     private List<ModManifestEntry> filteredModList;
 
     private String sortBy = "Name asc";
+
     public String getSortBy() {
         return sortBy;
     }
+
     private final View root;
 
     private final List<Predicate<List<ModManifestEntry>>> onChangedListener = new ArrayList<>();
@@ -55,7 +57,7 @@ class ConfigViewModel extends ViewModel implements ListenableObject<List<ModMani
             AppConfigDao appConfigDao = app.getDaoSession().getAppConfigDao();
             Query<AppConfig> query = appConfigDao.queryBuilder().where(AppConfigDao.Properties.Name.eq(AppConfigKey.MOD_LIST_SORT_BY)).build();
             AppConfig appConfig = query.unique();
-            if(null != appConfig) {
+            if (null != appConfig) {
                 sortBy = appConfig.getValue();
             }
         }
@@ -64,7 +66,7 @@ class ConfigViewModel extends ViewModel implements ListenableObject<List<ModMani
 
     public void switchSortBy(String sortBy) {
         MainApplication app = CommonLogic.getApplicationFromView(root);
-        if(null == app) {
+        if (null == app) {
             return;
         }
         this.sortBy = sortBy;
@@ -78,35 +80,34 @@ class ConfigViewModel extends ViewModel implements ListenableObject<List<ModMani
         switch (sortBy) {
             case "Name asc":
                 Collections.sort(modList, (a, b) -> a.getName().compareTo(b.getName()));
-                if(filteredModList != null && filteredModList != modList) {
+                if (filteredModList != null && filteredModList != modList) {
                     Collections.sort(filteredModList, (a, b) -> a.getName().compareTo(b.getName()));
                 }
                 break;
             case "Name desc":
                 Collections.sort(modList, (a, b) -> b.getName().compareTo(a.getName()));
-                if(filteredModList != null && filteredModList != modList) {
+                if (filteredModList != null && filteredModList != modList) {
                     Collections.sort(filteredModList, (a, b) -> b.getName().compareTo(a.getName()));
                 }
                 break;
             case "Date asc":
                 Collections.sort(modList, (a, b) -> a.getLastModified().compareTo(b.getLastModified()));
-                if(filteredModList != null && filteredModList != modList) {
+                if (filteredModList != null && filteredModList != modList) {
                     Collections.sort(filteredModList, (a, b) -> a.getLastModified().compareTo(b.getLastModified()));
                 }
                 break;
             case "Date desc":
                 Collections.sort(modList, (a, b) -> b.getLastModified().compareTo(a.getLastModified()));
-                if(filteredModList != null && filteredModList != modList) {
+                if (filteredModList != null && filteredModList != modList) {
                     Collections.sort(filteredModList, (a, b) -> b.getLastModified().compareTo(a.getLastModified()));
                 }
                 break;
             default:
                 return;
         }
-        if(filteredModList != null) {
+        if (filteredModList != null) {
             emitDataChangeEvent(filteredModList);
-        }
-        else {
+        } else {
             emitDataChangeEvent(modList);
         }
     }
@@ -136,15 +137,17 @@ class ConfigViewModel extends ViewModel implements ListenableObject<List<ModMani
                     }
                 }).filter(Objects::nonNull).distinct().collect(Collectors.toList());
                 if (!untranslatedText.isEmpty()) {
-                    TranslateUtil.translateText(untranslatedText, translator, language, (results) -> {
-                        daoSession.getTranslationResultDao().insertOrReplaceInTx(results);
-                        ImmutableMap<String, TranslationResult> map = Maps.uniqueIndex(results, TranslationResult::getOrigin);
-                        for (ModManifestEntry mod : modList) {
-                            if (map.containsKey(mod.getDescription())) {
-                                mod.setTranslatedDescription(map.get(mod.getDescription()).getTranslation());
+                    TranslateUtil.translateText(untranslatedText, translator, language, (result) -> {
+                        CommonLogic.doOnNonNull(result, (results) -> {
+                            daoSession.getTranslationResultDao().insertOrReplaceInTx(results);
+                            ImmutableMap<String, TranslationResult> map = Maps.uniqueIndex(results, TranslationResult::getOrigin);
+                            for (ModManifestEntry mod : modList) {
+                                if (map.containsKey(mod.getDescription())) {
+                                    mod.setTranslatedDescription(map.get(mod.getDescription()).getTranslation());
+                                }
                             }
-                        }
-                        emitDataChangeEvent(modList);
+                            emitDataChangeEvent(modList);
+                        });
                         return true;
                     });
                 }
diff --git a/app/src/main/java/com/zane/smapiinstaller/ui/config/ModManifestAdapter.java b/app/src/main/java/com/zane/smapiinstaller/ui/config/ModManifestAdapter.java
index 5a1b443..da5f9c4 100644
--- a/app/src/main/java/com/zane/smapiinstaller/ui/config/ModManifestAdapter.java
+++ b/app/src/main/java/com/zane/smapiinstaller/ui/config/ModManifestAdapter.java
@@ -8,7 +8,6 @@ import android.widget.Button;
 import android.widget.TextView;
 
 import com.afollestad.materialdialogs.DialogAction;
-import com.google.common.base.Predicate;
 import com.zane.smapiinstaller.R;
 import com.zane.smapiinstaller.constant.Constants;
 import com.zane.smapiinstaller.entity.ModManifestEntry;
@@ -29,6 +28,7 @@ import androidx.recyclerview.widget.RecyclerView;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
+import java9.util.function.Predicate;
 
 /**
  * @author Zane
@@ -104,7 +104,7 @@ public class ModManifestAdapter extends RecyclerView.Adapter<ModManifestAdapter.
         public List<Integer> removeAll(Predicate<ModManifestEntry> predicate) {
             List<Integer> deletedId = new ArrayList<>();
             for (int i = modList.size() - 1; i >= 0; i--) {
-                if (predicate.apply(modList.get(i))) {
+                if (predicate.test(modList.get(i))) {
                     modList.remove(i);
                     deletedId.add(i);
                 }
@@ -151,7 +151,7 @@ public class ModManifestAdapter extends RecyclerView.Adapter<ModManifestAdapter.
 
         public Integer findFirst(Predicate<ModManifestEntry> predicate) {
             for (int i = 0; i < modList.size(); i++) {
-                if (predicate.apply(modList.get(i))) {
+                if (predicate.test(modList.get(i))) {
                     return i;
                 }
             }
diff --git a/app/src/main/java/com/zane/smapiinstaller/ui/help/HelpFragment.java b/app/src/main/java/com/zane/smapiinstaller/ui/help/HelpFragment.java
index 2a0420b..cb6f6ef 100644
--- a/app/src/main/java/com/zane/smapiinstaller/ui/help/HelpFragment.java
+++ b/app/src/main/java/com/zane/smapiinstaller/ui/help/HelpFragment.java
@@ -50,18 +50,20 @@ public class HelpFragment extends Fragment {
         return root;
     }
     @OnClick(R.id.button_compat) void compat() {
-        CommonLogic.openUrl(this.getContext(), "https://smapi.io/mods");
+        CommonLogic.doOnNonNull(this.getContext(), context -> CommonLogic.openUrl(context, "https://smapi.io/mods"));
     }
     @OnClick(R.id.button_nexus) void nexus() {
-        CommonLogic.openUrl(this.getContext(), "https://www.nexusmods.com/stardewvalley/mods/");
+        CommonLogic.doOnNonNull(this.getContext(), context -> CommonLogic.openUrl(context, "https://www.nexusmods.com/stardewvalley/mods/"));
     }
     @OnClick({R.id.button_logs}) void showLog() {
-        NavController controller = Navigation.findNavController(this.getView());
-        File logFile = new File(Environment.getExternalStorageDirectory(), Constants.LOG_PATH);
-        if(logFile.exists()) {
-            HelpFragmentDirections.ActionNavHelpToConfigEditFragment action = HelpFragmentDirections.actionNavHelpToConfigEditFragment(logFile.getAbsolutePath());
-            action.setEditable(false);
-            controller.navigate(action);
-        }
+        CommonLogic.doOnNonNull(this.getView(), view -> {
+            NavController controller = Navigation.findNavController(view);
+            File logFile = new File(Environment.getExternalStorageDirectory(), Constants.LOG_PATH);
+            if(logFile.exists()) {
+                HelpFragmentDirections.ActionNavHelpToConfigEditFragment action = HelpFragmentDirections.actionNavHelpToConfigEditFragment(logFile.getAbsolutePath());
+                action.setEditable(false);
+                controller.navigate(action);
+            }
+        });
     }
 }
diff --git a/app/src/main/java/com/zane/smapiinstaller/utils/JsonCallback.java b/app/src/main/java/com/zane/smapiinstaller/utils/JsonCallback.java
new file mode 100644
index 0000000..26e9973
--- /dev/null
+++ b/app/src/main/java/com/zane/smapiinstaller/utils/JsonCallback.java
@@ -0,0 +1,48 @@
+package com.zane.smapiinstaller.utils;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.lzy.okgo.callback.AbsCallback;
+import com.lzy.okgo.request.base.Request;
+
+import okhttp3.Response;
+import okhttp3.ResponseBody;
+
+public abstract class JsonCallback<T> extends AbsCallback<T> {
+
+    private TypeReference<T> type;
+    private Class<T> clazz;
+
+    public JsonCallback(TypeReference<T> type) {
+        this.type = type;
+    }
+
+    public JsonCallback(Class<T> clazz) {
+        this.clazz = clazz;
+    }
+
+    @Override
+    public void onStart(Request<T, ? extends Request> request) {
+        super.onStart(request);
+    }
+
+    /**
+     * 该方法是子线程处理，不能做ui相关的工作
+     * 主要作用是解析网络返回的 response 对象,生产onSuccess回调中需要的数据对象
+     * 这里的解析工作不同的业务逻辑基本都不一样,所以需要自己实现,以下给出的时模板代码,实际使用根据需要修改
+     */
+    @Override
+    public T convertResponse(Response response) throws Throwable {
+        ResponseBody body = response.body();
+        if (body == null) {
+            return null;
+        }
+        T data = null;
+        if (type != null) {
+            data = JSONUtil.fromJson(body.string(), type);
+        }
+        if (clazz != null) {
+            data = JSONUtil.fromJson(body.string(), clazz);
+        }
+        return data;
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/drawable/update_check.png b/app/src/main/res/drawable/update_check.png
new file mode 100644
index 0000000..944748f
Binary files /dev/null and b/app/src/main/res/drawable/update_check.png differ
diff --git a/app/src/main/res/menu/main.xml b/app/src/main/res/menu/main.xml
index 087b7bb..556fb99 100644
--- a/app/src/main/res/menu/main.xml
+++ b/app/src/main/res/menu/main.xml
@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/toolbar_update_check"
+        android:orderInCategory="99"
+        android:icon="@drawable/update_check"
+        app:showAsAction="always"
+        android:title="" />
     <group
         android:checkableBehavior="all">
         <item