diff --git a/src/main/java/com/miti99/storescraperbot/api/apple/AppStoreScraper.java b/src/main/java/com/miti99/storescraperbot/api/apple/AppStoreScraper.java
index 1e7370b..a518cf1 100644
--- a/src/main/java/com/miti99/storescraperbot/api/apple/AppStoreScraper.java
+++ b/src/main/java/com/miti99/storescraperbot/api/apple/AppStoreScraper.java
@@ -2,6 +2,7 @@ package com.miti99.storescraperbot.api.apple;
 
 import com.miti99.storescraperbot.api.apple.request.AppleAppRequest;
 import com.miti99.storescraperbot.api.apple.response.AppleAppResponse;
+import com.miti99.storescraperbot.repository.AppleAppRepository;
 import com.miti99.storescraperbot.util.GsonUtil;
 import java.net.URI;
 import java.net.http.HttpClient;
@@ -9,8 +10,16 @@ import java.net.http.HttpClient.Redirect;
 import java.net.http.HttpRequest;
 import java.net.http.HttpRequest.BodyPublishers;
 import java.net.http.HttpResponse.BodyHandlers;
+import java.time.Instant;
+import java.time.LocalDate;
+import java.time.ZoneId;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 import lombok.SneakyThrows;
+import lombok.extern.log4j.Log4j2;
 
+@Log4j2
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
 public class AppStoreScraper {
   public static final String BASE_URL = "https://miti-app-store-scraper.vercel.app/";
 
@@ -24,13 +33,34 @@ public class AppStoreScraper {
             .POST(BodyPublishers.ofString(GsonUtil.toJson(request)))
             .build();
 
-    var body =
+    try (var httpClient =
         HttpClient.newBuilder()
             .followRedirects(Redirect.NORMAL)
             // .connectTimeout(Duration.ofMillis(TIMEOUT))
-            .build()
-            .send(httpRequest, BodyHandlers.ofString())
-            .body();
-    return GsonUtil.fromJson(body, AppleAppResponse.class);
+            .build()) {
+      var body = httpClient.send(httpRequest, BodyHandlers.ofString()).body();
+      return GsonUtil.fromJson(body, AppleAppResponse.class);
+    }
+  }
+
+  public static LocalDate getLastUpdateOfApp(String appId) {
+    boolean isInCache = AppleAppRepository.INSTANCE.exist(appId);
+    AppleAppResponse response = null;
+    if (isInCache) {
+      var app = AppleAppRepository.INSTANCE.load(appId);
+      response = app.getApp();
+    } else {
+      response = app(new AppleAppRequest(appId));
+      AppleAppRepository.INSTANCE.init(appId);
+      var app = AppleAppRepository.INSTANCE.load(appId);
+      app.setApp(response);
+      AppleAppRepository.INSTANCE.save(appId, app);
+    }
+    if (response != null) {
+      return LocalDate.ofInstant(Instant.parse(response.updated()), ZoneId.systemDefault());
+    } else {
+      log.error("response is null");
+      return LocalDate.ofInstant(Instant.ofEpochMilli(0), ZoneId.systemDefault());
+    }
   }
 }
diff --git a/src/main/java/com/miti99/storescraperbot/api/google/GooglePlayScraper.java b/src/main/java/com/miti99/storescraperbot/api/google/GooglePlayScraper.java
index 02b3c09..159d466 100644
--- a/src/main/java/com/miti99/storescraperbot/api/google/GooglePlayScraper.java
+++ b/src/main/java/com/miti99/storescraperbot/api/google/GooglePlayScraper.java
@@ -2,6 +2,7 @@ package com.miti99.storescraperbot.api.google;
 
 import com.miti99.storescraperbot.api.google.request.GoogleAppRequest;
 import com.miti99.storescraperbot.api.google.response.GoogleAppResponse;
+import com.miti99.storescraperbot.repository.GoogleAppRepository;
 import com.miti99.storescraperbot.util.GsonUtil;
 import java.net.URI;
 import java.net.http.HttpClient;
@@ -9,8 +10,16 @@ import java.net.http.HttpClient.Redirect;
 import java.net.http.HttpRequest;
 import java.net.http.HttpRequest.BodyPublishers;
 import java.net.http.HttpResponse.BodyHandlers;
+import java.time.Instant;
+import java.time.LocalDate;
+import java.time.ZoneId;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 import lombok.SneakyThrows;
+import lombok.extern.log4j.Log4j2;
 
+@Log4j2
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
 public class GooglePlayScraper {
   public static final String BASE_URL = "https://miti-google-play-scraper.vercel.app/";
 
@@ -24,13 +33,35 @@ public class GooglePlayScraper {
             .POST(BodyPublishers.ofString(GsonUtil.toJson(request)))
             .build();
 
-    var body =
+    try (var httpClient =
         HttpClient.newBuilder()
             // .connectTimeout(Duration.ofMillis(TIMEOUT))
             .followRedirects(Redirect.NORMAL)
-            .build()
-            .send(httpRequest, BodyHandlers.ofString())
-            .body();
-    return GsonUtil.fromJson(body, GoogleAppResponse.class);
+            .build()) {
+      var body = httpClient.send(httpRequest, BodyHandlers.ofString()).body();
+      return GsonUtil.fromJson(body, GoogleAppResponse.class);
+    }
+  }
+
+  public static LocalDate getLastUpdateOfApp(String appId) {
+    boolean isInCache = GoogleAppRepository.INSTANCE.exist(appId);
+    GoogleAppResponse response = null;
+    if (isInCache) {
+      var app = GoogleAppRepository.INSTANCE.load(appId);
+      response = app.getApp();
+    } else {
+      response = app(new GoogleAppRequest(appId));
+      GoogleAppRepository.INSTANCE.init(appId);
+      var app = GoogleAppRepository.INSTANCE.load(appId);
+      app.setApp(response);
+      GoogleAppRepository.INSTANCE.save(appId, app);
+    }
+    long lastUpdateMillis = 0;
+    if (response != null) {
+      lastUpdateMillis = response.updated();
+    } else {
+      log.error("response is null");
+    }
+    return LocalDate.ofInstant(Instant.ofEpochMilli(lastUpdateMillis), ZoneId.systemDefault());
   }
 }
diff --git a/src/main/java/com/miti99/storescraperbot/bot/StoreScrapeBot.java b/src/main/java/com/miti99/storescraperbot/bot/StoreScrapeBot.java
index df9d0f2..daf3dc6 100644
--- a/src/main/java/com/miti99/storescraperbot/bot/StoreScrapeBot.java
+++ b/src/main/java/com/miti99/storescraperbot/bot/StoreScrapeBot.java
@@ -1,6 +1,14 @@
 package com.miti99.storescraperbot.bot;
 
+import com.miti99.storescraperbot.bot.command.AddAppleAppCommand;
+import com.miti99.storescraperbot.bot.command.AddGoogleAppCommand;
 import com.miti99.storescraperbot.bot.command.AddGroupCommand;
+import com.miti99.storescraperbot.bot.command.CheckAppCommand;
+import com.miti99.storescraperbot.bot.command.DeleteAppleAppCommand;
+import com.miti99.storescraperbot.bot.command.DeleteGroupCommand;
+import com.miti99.storescraperbot.bot.command.InfoCommand;
+import com.miti99.storescraperbot.bot.command.ListAppCommand;
+import com.miti99.storescraperbot.bot.command.ListGroupCommand;
 import lombok.extern.log4j.Log4j2;
 import org.telegram.telegrambots.extensions.bots.commandbot.CommandLongPollingTelegramBot;
 import org.telegram.telegrambots.meta.api.methods.commands.SetMyCommands;
@@ -15,7 +23,18 @@ public class StoreScrapeBot extends CommandLongPollingTelegramBot {
 
   StoreScrapeBot() {
     super(StoreScrapeBotTelegramClient.INSTANCE, true, StoreScrapeBotUsernameSupplier.INSTANCE);
+    register(InfoCommand.INSTANCE);
+
     register(AddGroupCommand.INSTANCE);
+    register(DeleteGroupCommand.INSTANCE);
+    register(ListGroupCommand.INSTANCE);
+
+    register(AddAppleAppCommand.INSTANCE);
+    register(DeleteAppleAppCommand.INSTANCE);
+    register(AddGoogleAppCommand.INSTANCE);
+    register(DeleteAppleAppCommand.INSTANCE);
+    register(ListAppCommand.INSTANCE);
+    register(CheckAppCommand.INSTANCE);
     setMyCommands();
   }
 
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/AddAppleAppCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/AddAppleAppCommand.java
new file mode 100644
index 0000000..631e3df
--- /dev/null
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/AddAppleAppCommand.java
@@ -0,0 +1,45 @@
+package com.miti99.storescraperbot.bot.command;
+
+import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
+import com.miti99.storescraperbot.repository.AdminRepository;
+import com.miti99.storescraperbot.repository.GroupRepository;
+import org.telegram.telegrambots.meta.api.objects.User;
+import org.telegram.telegrambots.meta.api.objects.chat.Chat;
+import org.telegram.telegrambots.meta.generics.TelegramClient;
+
+public class AddAppleAppCommand extends BaseStoreScraperBotCommand {
+  public static final AddAppleAppCommand INSTANCE = new AddAppleAppCommand();
+
+  AddAppleAppCommand() {
+    super("addapple", "<appId>. Thêm Apple app vào danh sách theo dõi của nhóm");
+  }
+
+  @Override
+  protected void executeCommand(
+      TelegramClient telegramClient, User user, Chat chat, String[] arguments) {
+    var admin = AdminRepository.INSTANCE.load();
+    if (!admin.getGroups().contains(chat.getId())) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
+          chat.getId(), "Group is not allowed to use bot");
+      return;
+    }
+
+    if (arguments.length != 1) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid arguments");
+      return;
+    }
+
+    var appId = arguments[0];
+    long groupId = chat.getId();
+    var group = GroupRepository.INSTANCE.load(groupId);
+
+    if (group.getAppleApps().contains(appId)) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Apple app is already added");
+      return;
+    }
+
+    group.getAppleApps().add(appId);
+    GroupRepository.INSTANCE.save(groupId, group);
+    StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Apple app added successfully");
+  }
+}
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/AddGoogleAppCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/AddGoogleAppCommand.java
new file mode 100644
index 0000000..ed85769
--- /dev/null
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/AddGoogleAppCommand.java
@@ -0,0 +1,47 @@
+package com.miti99.storescraperbot.bot.command;
+
+import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
+import com.miti99.storescraperbot.repository.AdminRepository;
+import com.miti99.storescraperbot.repository.GroupRepository;
+import org.telegram.telegrambots.meta.api.objects.User;
+import org.telegram.telegrambots.meta.api.objects.chat.Chat;
+import org.telegram.telegrambots.meta.generics.TelegramClient;
+
+public class AddGoogleAppCommand extends BaseStoreScraperBotCommand {
+  public static final AddGoogleAppCommand INSTANCE = new AddGoogleAppCommand();
+
+  AddGoogleAppCommand() {
+    super("addgoogle", "<appId>. Thêm Google app vào danh sách theo dõi của nhóm");
+  }
+
+  @Override
+  protected void executeCommand(
+      TelegramClient telegramClient, User user, Chat chat, String[] arguments) {
+    var admin = AdminRepository.INSTANCE.load();
+    if (!admin.getGroups().contains(chat.getId())) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
+          chat.getId(), "Group is not allowed to use bot");
+      return;
+    }
+
+    if (arguments.length != 1) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid arguments");
+      return;
+    }
+
+    var appId = arguments[0];
+    long groupId = chat.getId();
+    var group = GroupRepository.INSTANCE.load(groupId);
+
+    if (group.getGoogleApps().contains(appId)) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
+          chat.getId(), "Google app is already added");
+      return;
+    }
+
+    group.getGoogleApps().add(appId);
+    GroupRepository.INSTANCE.save(groupId, group);
+    StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
+        chat.getId(), "Google app added successfully");
+  }
+}
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/AddGroupCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/AddGroupCommand.java
index 72294bf..1df5f84 100644
--- a/src/main/java/com/miti99/storescraperbot/bot/command/AddGroupCommand.java
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/AddGroupCommand.java
@@ -3,6 +3,7 @@ package com.miti99.storescraperbot.bot.command;
 import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
 import com.miti99.storescraperbot.config.Config;
 import com.miti99.storescraperbot.repository.AdminRepository;
+import com.miti99.storescraperbot.repository.GroupRepository;
 import org.telegram.telegrambots.meta.api.objects.User;
 import org.telegram.telegrambots.meta.api.objects.chat.Chat;
 import org.telegram.telegrambots.meta.generics.TelegramClient;
@@ -22,17 +23,21 @@ public class AddGroupCommand extends BaseStoreScraperBotCommand {
       return;
     }
 
-    if (arguments.length != 1) {
+    if (arguments.length > 1) {
       StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid arguments");
       return;
     }
 
     long groupId;
-    try {
-      groupId = Long.parseLong(arguments[0]);
-    } catch (NumberFormatException e) {
-      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid groupId");
-      return;
+    if (arguments.length == 1) {
+      try {
+        groupId = Long.parseLong(arguments[0]);
+      } catch (NumberFormatException e) {
+        StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid groupId");
+        return;
+      }
+    } else {
+      groupId = chat.getId();
     }
 
     var admin = AdminRepository.INSTANCE.load();
@@ -41,6 +46,7 @@ public class AddGroupCommand extends BaseStoreScraperBotCommand {
       return;
     }
 
+    GroupRepository.INSTANCE.init(groupId);
     admin.getGroups().add(groupId);
     AdminRepository.INSTANCE.save(admin);
     StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Group added successfully");
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/CheckAppCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/CheckAppCommand.java
new file mode 100644
index 0000000..316a875
--- /dev/null
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/CheckAppCommand.java
@@ -0,0 +1,74 @@
+package com.miti99.storescraperbot.bot.command;
+
+import com.miti99.storescraperbot.api.apple.AppStoreScraper;
+import com.miti99.storescraperbot.api.google.GooglePlayScraper;
+import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
+import com.miti99.storescraperbot.constant.Constant;
+import com.miti99.storescraperbot.repository.AdminRepository;
+import com.miti99.storescraperbot.repository.GroupRepository;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.temporal.ChronoUnit;
+import org.telegram.telegrambots.meta.api.objects.User;
+import org.telegram.telegrambots.meta.api.objects.chat.Chat;
+import org.telegram.telegrambots.meta.generics.TelegramClient;
+
+public class CheckAppCommand extends BaseStoreScraperBotCommand {
+  public static final CheckAppCommand INSTANCE = new CheckAppCommand();
+
+  CheckAppCommand() {
+    super("checkapp", "Kiểm tra cập nhật các app");
+  }
+
+  @Override
+  protected void executeCommand(
+      TelegramClient telegramClient, User user, Chat chat, String[] arguments) {
+    var admin = AdminRepository.INSTANCE.load();
+    if (!admin.getGroups().contains(chat.getId())) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
+          chat.getId(), "Group is not allowed to use bot");
+      return;
+    }
+
+    if (arguments.length != 0) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid arguments");
+      return;
+    }
+
+    long groupId = chat.getId();
+    var group = GroupRepository.INSTANCE.load(groupId);
+    var now = LocalDate.now();
+
+    var sb = new StringBuilder();
+    sb.append("<b>Apple Apps:</b>\n");
+    sb.append("<code>\n");
+    sb.append("%-20s | %-10s | %-4s | %-2s\n".formatted("AppId", "Updated", "Days", "OK"));
+    sb.append("-".repeat(46));
+    sb.append("\n");
+    for (var appId : group.getAppleApps()) {
+      var updated = AppStoreScraper.getLastUpdateOfApp(appId);
+      long days = ChronoUnit.DAYS.between(updated, now);
+      boolean passed = days <= Constant.NUM_DAYS_WARNING_NOT_UPDATED;
+      sb.append(
+          "%-20s | %-10s | %-4s | %-2s\n".formatted(appId, updated, days, passed ? "✅" : "❌"));
+    }
+    sb.append("</code>\n");
+    sb.append("\n");
+    sb.append("<b>Google Apps:</b>\n");
+    sb.append("<code>\n");
+    sb.append("%-20s | %-10s | %-4s | %-2s\n".formatted("AppId", "Updated", "Date", "OK"));
+    sb.append("-".repeat(46));
+    sb.append("\n");
+    for (var appId : group.getGoogleApps()) {
+      var updated = GooglePlayScraper.getLastUpdateOfApp(appId);
+      long days = ChronoUnit.DAYS.between(updated, now);
+      boolean passed = days <= Constant.NUM_DAYS_WARNING_NOT_UPDATED;
+      sb.append(
+          "%-20s | %-10s | %-4s | %-2s\n".formatted(appId, updated, days, passed ? "✅" : "❌"));
+    }
+    sb.append("</code>");
+    sb.append("\n");
+
+    StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), sb.toString());
+  }
+}
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/DeleteAppleAppCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/DeleteAppleAppCommand.java
new file mode 100644
index 0000000..711d14e
--- /dev/null
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/DeleteAppleAppCommand.java
@@ -0,0 +1,45 @@
+package com.miti99.storescraperbot.bot.command;
+
+import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
+import com.miti99.storescraperbot.repository.AdminRepository;
+import com.miti99.storescraperbot.repository.GroupRepository;
+import org.telegram.telegrambots.meta.api.objects.User;
+import org.telegram.telegrambots.meta.api.objects.chat.Chat;
+import org.telegram.telegrambots.meta.generics.TelegramClient;
+
+public class DeleteAppleAppCommand extends BaseStoreScraperBotCommand {
+  public static final DeleteAppleAppCommand INSTANCE = new DeleteAppleAppCommand();
+
+  DeleteAppleAppCommand() {
+    super("delapple", "<appId>. Xoá Apple app khỏi danh sách theo dõi của nhóm");
+  }
+
+  @Override
+  protected void executeCommand(
+      TelegramClient telegramClient, User user, Chat chat, String[] arguments) {
+    var admin = AdminRepository.INSTANCE.load();
+    if (!admin.getGroups().contains(chat.getId())) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
+          chat.getId(), "Group is not allowed to use bot");
+      return;
+    }
+
+    if (arguments.length != 1) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid arguments");
+      return;
+    }
+
+    var appId = arguments[0];
+    long groupId = chat.getId();
+    var group = GroupRepository.INSTANCE.load(groupId);
+
+    if (!group.getAppleApps().contains(appId)) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Apple app is not added");
+      return;
+    }
+
+    group.getAppleApps().remove(appId);
+    GroupRepository.INSTANCE.save(groupId, group);
+    StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Apple app deleted successfully");
+  }
+}
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/DeleteGoogleAppCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/DeleteGoogleAppCommand.java
new file mode 100644
index 0000000..0869a7f
--- /dev/null
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/DeleteGoogleAppCommand.java
@@ -0,0 +1,46 @@
+package com.miti99.storescraperbot.bot.command;
+
+import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
+import com.miti99.storescraperbot.repository.AdminRepository;
+import com.miti99.storescraperbot.repository.GroupRepository;
+import org.telegram.telegrambots.meta.api.objects.User;
+import org.telegram.telegrambots.meta.api.objects.chat.Chat;
+import org.telegram.telegrambots.meta.generics.TelegramClient;
+
+public class DeleteGoogleAppCommand extends BaseStoreScraperBotCommand {
+  public static final DeleteGoogleAppCommand INSTANCE = new DeleteGoogleAppCommand();
+
+  DeleteGoogleAppCommand() {
+    super("delgoogle", "<appId>. Xoá Google app khỏi danh sách theo dõi của nhóm");
+  }
+
+  @Override
+  protected void executeCommand(
+      TelegramClient telegramClient, User user, Chat chat, String[] arguments) {
+    var admin = AdminRepository.INSTANCE.load();
+    if (!admin.getGroups().contains(chat.getId())) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
+          chat.getId(), "Group is not allowed to use bot");
+      return;
+    }
+
+    if (arguments.length != 1) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid arguments");
+      return;
+    }
+
+    var appId = arguments[0];
+    long groupId = chat.getId();
+    var group = GroupRepository.INSTANCE.load(groupId);
+
+    if (!group.getGoogleApps().contains(appId)) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Google app is not added");
+      return;
+    }
+
+    group.getGoogleApps().remove(appId);
+    GroupRepository.INSTANCE.save(groupId, group);
+    StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
+        chat.getId(), "Google app deleted successfully");
+  }
+}
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/DeleteGroupCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/DeleteGroupCommand.java
new file mode 100644
index 0000000..8d986b0
--- /dev/null
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/DeleteGroupCommand.java
@@ -0,0 +1,52 @@
+package com.miti99.storescraperbot.bot.command;
+
+import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
+import com.miti99.storescraperbot.config.Config;
+import com.miti99.storescraperbot.repository.AdminRepository;
+import org.telegram.telegrambots.meta.api.objects.User;
+import org.telegram.telegrambots.meta.api.objects.chat.Chat;
+import org.telegram.telegrambots.meta.generics.TelegramClient;
+
+public class DeleteGroupCommand extends BaseStoreScraperBotCommand {
+  public static final DeleteGroupCommand INSTANCE = new DeleteGroupCommand();
+
+  DeleteGroupCommand() {
+    super("delgroup", "<groupId>. Xoá group khỏi list group cho phép sử dụng bot");
+  }
+
+  @Override
+  protected void executeCommand(
+      TelegramClient telegramClient, User user, Chat chat, String[] arguments) {
+    if (!Config.ADMIN_IDS.contains(user.getId())) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "You are not admin");
+      return;
+    }
+
+    if (arguments.length > 1) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid arguments");
+      return;
+    }
+
+    long groupId;
+    if (arguments.length == 1) {
+      try {
+        groupId = Long.parseLong(arguments[0]);
+      } catch (NumberFormatException e) {
+        StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid groupId");
+        return;
+      }
+    } else {
+      groupId = chat.getId();
+    }
+
+    var admin = AdminRepository.INSTANCE.load();
+    if (!admin.getGroups().contains(groupId)) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Group is not added");
+      return;
+    }
+
+    admin.getGroups().remove(groupId);
+    AdminRepository.INSTANCE.save(admin);
+    StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Group deleted successfully");
+  }
+}
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/InfoCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/InfoCommand.java
new file mode 100644
index 0000000..b2eb24c
--- /dev/null
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/InfoCommand.java
@@ -0,0 +1,29 @@
+package com.miti99.storescraperbot.bot.command;
+
+import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
+import com.miti99.storescraperbot.repository.AdminRepository;
+import com.miti99.storescraperbot.repository.GroupRepository;
+import org.telegram.telegrambots.meta.api.objects.User;
+import org.telegram.telegrambots.meta.api.objects.chat.Chat;
+import org.telegram.telegrambots.meta.generics.TelegramClient;
+
+public class InfoCommand extends BaseStoreScraperBotCommand {
+  public static final InfoCommand INSTANCE = new InfoCommand();
+
+  InfoCommand() {
+    super("info", "Lấy thông tin của nhóm (chatId, threadId,...)");
+  }
+
+  @Override
+  protected void executeCommand(
+      TelegramClient telegramClient, User user, Chat chat, String[] arguments) {
+    if (arguments.length != 0) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid arguments");
+      return;
+    }
+
+    long groupId = chat.getId();
+
+    StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Id của nhóm là <code>%s</code>\n".formatted(groupId));
+  }
+}
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/ListAppCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/ListAppCommand.java
new file mode 100644
index 0000000..49b5546
--- /dev/null
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/ListAppCommand.java
@@ -0,0 +1,47 @@
+package com.miti99.storescraperbot.bot.command;
+
+import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
+import com.miti99.storescraperbot.repository.AdminRepository;
+import com.miti99.storescraperbot.repository.GroupRepository;
+import org.telegram.telegrambots.meta.api.objects.User;
+import org.telegram.telegrambots.meta.api.objects.chat.Chat;
+import org.telegram.telegrambots.meta.generics.TelegramClient;
+
+public class ListAppCommand extends BaseStoreScraperBotCommand {
+  public static final ListAppCommand INSTANCE = new ListAppCommand();
+
+  ListAppCommand() {
+    super("listapp", "<appId>. Thêm Google app vào danh sách theo dõi của nhóm");
+  }
+
+  @Override
+  protected void executeCommand(
+      TelegramClient telegramClient, User user, Chat chat, String[] arguments) {
+    var admin = AdminRepository.INSTANCE.load();
+    if (!admin.getGroups().contains(chat.getId())) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
+          chat.getId(), "Group is not allowed to use bot");
+      return;
+    }
+
+    if (arguments.length != 0) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid arguments");
+      return;
+    }
+
+    long groupId = chat.getId();
+    var group = GroupRepository.INSTANCE.load(groupId);
+
+    var sb = new StringBuilder();
+    sb.append("<b>Apple Apps:</b>\n");
+    for (var appId : group.getAppleApps()) {
+      sb.append("- <code>%s</code>\n".formatted(appId));
+    }
+    sb.append("\n<b>Google Apps:</b>\n");
+    for (var appId : group.getGoogleApps()) {
+      sb.append("- <code>%s</code>\n".formatted(appId));
+    }
+
+    StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), sb.toString());
+  }
+}
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/GetGroupCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/ListGroupCommand.java
similarity index 75%
rename from src/main/java/com/miti99/storescraperbot/bot/command/GetGroupCommand.java
rename to src/main/java/com/miti99/storescraperbot/bot/command/ListGroupCommand.java
index 38b8191..1b69b23 100644
--- a/src/main/java/com/miti99/storescraperbot/bot/command/GetGroupCommand.java
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/ListGroupCommand.java
@@ -7,11 +7,11 @@ import org.telegram.telegrambots.meta.api.objects.User;
 import org.telegram.telegrambots.meta.api.objects.chat.Chat;
 import org.telegram.telegrambots.meta.generics.TelegramClient;
 
-public class GetGroupCommand extends BaseStoreScraperBotCommand {
-  public static final GetGroupCommand INSTANCE = new GetGroupCommand();
+public class ListGroupCommand extends BaseStoreScraperBotCommand {
+  public static final ListGroupCommand INSTANCE = new ListGroupCommand();
 
-  GetGroupCommand() {
-    super("getgroup", "Lấy danh sách group được phép sử dụng bot hiện tại");
+  ListGroupCommand() {
+    super("listgroup", "Lấy danh sách group được phép sử dụng bot hiện tại");
   }
 
   @Override
@@ -27,13 +27,12 @@ public class GetGroupCommand extends BaseStoreScraperBotCommand {
       return;
     }
 
-
     var admin = AdminRepository.INSTANCE.load();
     var groups = admin.getGroups();
     var sb = new StringBuilder();
-    sb.append("<b>Groups:</b>/n");
+    sb.append("<b>Groups:</b>\n");
     for (var groupId : groups) {
-      sb.append("- ").append(groupId).append("\n");
+      sb.append("- <code>%s</code>\n".formatted(groupId));
     }
     StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), sb.toString());
   }
diff --git a/src/main/java/com/miti99/storescraperbot/constant/Constant.java b/src/main/java/com/miti99/storescraperbot/constant/Constant.java
index 4a7fee3..24b3445 100644
--- a/src/main/java/com/miti99/storescraperbot/constant/Constant.java
+++ b/src/main/java/com/miti99/storescraperbot/constant/Constant.java
@@ -2,4 +2,6 @@ package com.miti99.storescraperbot.constant;
 
 public class Constant {
   public static final String APP_NAME = "store_scraper_bot";
+  public static final long APP_CACHE_SECONDS = 600;
+  public static final long NUM_DAYS_WARNING_NOT_UPDATED = 30;
 }
diff --git a/src/main/java/com/miti99/storescraperbot/model/AbstractModel.java b/src/main/java/com/miti99/storescraperbot/model/AbstractModel.java
index 6659b30..3d430c8 100644
--- a/src/main/java/com/miti99/storescraperbot/model/AbstractModel.java
+++ b/src/main/java/com/miti99/storescraperbot/model/AbstractModel.java
@@ -2,12 +2,14 @@ package com.miti99.storescraperbot.model;
 
 import com.google.gson.annotations.SerializedName;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
 
 @Getter
-@RequiredArgsConstructor
+@NoArgsConstructor
+@Setter
 public abstract class AbstractModel<K> {
-  final K key;
+  protected K key;
 
   @SerializedName("class")
   protected String clazz = getClass().getSimpleName();
diff --git a/src/main/java/com/miti99/storescraperbot/model/Admin.java b/src/main/java/com/miti99/storescraperbot/model/Admin.java
index 49fd54b..17be171 100644
--- a/src/main/java/com/miti99/storescraperbot/model/Admin.java
+++ b/src/main/java/com/miti99/storescraperbot/model/Admin.java
@@ -2,16 +2,9 @@ package com.miti99.storescraperbot.model;
 
 import java.util.ArrayList;
 import java.util.List;
-import lombok.Data;
 import lombok.Getter;
-import lombok.Setter;
 
 @Getter
-@Setter
 public class Admin extends AbstractModel<String> {
-  List<Long> groups = new ArrayList<>();
-
-  public Admin(String key) {
-    super(key);
-  }
+  final List<Long> groups = new ArrayList<>();
 }
diff --git a/src/main/java/com/miti99/storescraperbot/model/AppleApp.java b/src/main/java/com/miti99/storescraperbot/model/AppleApp.java
index 3463b99..4b1cbaa 100644
--- a/src/main/java/com/miti99/storescraperbot/model/AppleApp.java
+++ b/src/main/java/com/miti99/storescraperbot/model/AppleApp.java
@@ -7,10 +7,5 @@ import lombok.Setter;
 @Getter
 @Setter
 public class AppleApp extends AbstractModel<String> {
-  long cacheTime;
-  AppleAppResponse rawResponse;
-
-  public AppleApp(String key) {
-    super(key);
-  }
+  AppleAppResponse app;
 }
diff --git a/src/main/java/com/miti99/storescraperbot/model/GoogleApp.java b/src/main/java/com/miti99/storescraperbot/model/GoogleApp.java
index a6d7903..de9b993 100644
--- a/src/main/java/com/miti99/storescraperbot/model/GoogleApp.java
+++ b/src/main/java/com/miti99/storescraperbot/model/GoogleApp.java
@@ -7,10 +7,5 @@ import lombok.Setter;
 @Getter
 @Setter
 public class GoogleApp extends AbstractModel<String> {
-  long cacheTime;
-  GoogleAppResponse rawResponse;
-
-  public GoogleApp(String key) {
-    super(key);
-  }
+  GoogleAppResponse app;
 }
diff --git a/src/main/java/com/miti99/storescraperbot/model/Group.java b/src/main/java/com/miti99/storescraperbot/model/Group.java
index 609aea5..a15b016 100644
--- a/src/main/java/com/miti99/storescraperbot/model/Group.java
+++ b/src/main/java/com/miti99/storescraperbot/model/Group.java
@@ -1,22 +1,13 @@
 package com.miti99.storescraperbot.model;
 
-import com.miti99.storescraperbot.type.AppType;
+import java.util.ArrayList;
 import java.util.List;
-import lombok.Data;
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
 public class Group extends AbstractModel<Long> {
-  List<App> apps;
-
-  public Group(Long key) {
-    super(key);
-  }
-
-  public static class App {
-    String appId;
-    AppType type;
-  }
+  List<String> appleApps = new ArrayList<>();
+  List<String> googleApps = new ArrayList<>();
 }
diff --git a/src/main/java/com/miti99/storescraperbot/repository/AbstractRepository.java b/src/main/java/com/miti99/storescraperbot/repository/AbstractRepository.java
index 5be7b34..161eddf 100644
--- a/src/main/java/com/miti99/storescraperbot/repository/AbstractRepository.java
+++ b/src/main/java/com/miti99/storescraperbot/repository/AbstractRepository.java
@@ -10,12 +10,13 @@ import java.lang.reflect.ParameterizedType;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import lombok.extern.log4j.Log4j2;
+import redis.clients.jedis.params.SetParams;
 
 @Log4j2
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public abstract class AbstractRepository<K, V extends AbstractModel<K>> {
   public static final String SEPARATOR = ":";
-  protected final Class<K> classK = getKeyClass();
+  // protected final Class<K> classK = getKeyClass();
   protected final Class<V> classV = getDataClass();
   protected final String prefix =
       String.join(
@@ -24,10 +25,10 @@ public abstract class AbstractRepository<K, V extends AbstractModel<K>> {
           Config.ENV.name().toLowerCase(),
           CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, classV.getSimpleName()));
 
-  protected Class<K> getKeyClass() {
-    return (Class<K>)
-        ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[0];
-  }
+  // protected Class<K> getKeyClass() {
+  //   return (Class<K>)
+  //       ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[0];
+  // }
 
   /**
    * Lấy ra class của V. Khi tạo 1 abstract class extends AbstractRepository mà không phải final thì
@@ -41,12 +42,20 @@ public abstract class AbstractRepository<K, V extends AbstractModel<K>> {
         ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[1];
   }
 
+  /**
+   * @return expire seconds. <= 0 mean never expire.
+   */
+  protected long getExpireSeconds() {
+    return 0;
+  }
+
   public void init(K key) {
     try {
       if (exist(key)) {
         return;
       }
-      V data = classV.getDeclaredConstructor(classK).newInstance(key);
+      V data = classV.getDeclaredConstructor().newInstance();
+      data.setKey(key);
       save(key, data);
     } catch (Exception e) {
       log.error("Error while initializing data", e);
@@ -61,7 +70,11 @@ public abstract class AbstractRepository<K, V extends AbstractModel<K>> {
     var databaseKey = getDatabaseKey(key);
     try (var jedis = RedisUtil.getJedis()) {
       var json = GsonUtil.toJson(data);
-      jedis.set(databaseKey, json);
+      if (getExpireSeconds() <= 0) {
+        jedis.set(databaseKey, json);
+      } else {
+        jedis.set(databaseKey, json, SetParams.setParams().ex(getExpireSeconds()));
+      }
     } catch (Exception e) {
       log.error("save error - key {}, databaseKey {}", key, databaseKey, e);
     }
diff --git a/src/main/java/com/miti99/storescraperbot/repository/AppleAppRepository.java b/src/main/java/com/miti99/storescraperbot/repository/AppleAppRepository.java
index d8b0ae4..733d935 100644
--- a/src/main/java/com/miti99/storescraperbot/repository/AppleAppRepository.java
+++ b/src/main/java/com/miti99/storescraperbot/repository/AppleAppRepository.java
@@ -1,7 +1,13 @@
 package com.miti99.storescraperbot.repository;
 
+import com.miti99.storescraperbot.constant.Constant;
 import com.miti99.storescraperbot.model.AppleApp;
 
 public class AppleAppRepository extends AbstractRepository<String, AppleApp> {
   public static final AppleAppRepository INSTANCE = new AppleAppRepository();
+
+  @Override
+  protected long getExpireSeconds() {
+    return Constant.APP_CACHE_SECONDS;
+  }
 }
diff --git a/src/main/java/com/miti99/storescraperbot/repository/GoogleAppRepository.java b/src/main/java/com/miti99/storescraperbot/repository/GoogleAppRepository.java
index 8c2186f..92835fb 100644
--- a/src/main/java/com/miti99/storescraperbot/repository/GoogleAppRepository.java
+++ b/src/main/java/com/miti99/storescraperbot/repository/GoogleAppRepository.java
@@ -1,7 +1,13 @@
 package com.miti99.storescraperbot.repository;
 
+import com.miti99.storescraperbot.constant.Constant;
 import com.miti99.storescraperbot.model.GoogleApp;
 
 public class GoogleAppRepository extends AbstractRepository<String, GoogleApp> {
-  private static final GoogleAppRepository INSTANCE = new GoogleAppRepository();
+  public static final GoogleAppRepository INSTANCE = new GoogleAppRepository();
+
+  @Override
+  protected long getExpireSeconds() {
+    return Constant.APP_CACHE_SECONDS;
+  }
 }