diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1e29d92..3b6fbe4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,6 +24,7 @@ include(GNUInstallDirs)
 set(DTRANSLATEBOT_HEADERS
     src/message_queue.h
     src/settings.h
+    src/slashcommands.h
     src/submit_queue.h
     src/translate_core.h
     src/translate_libretranslate.h
@@ -33,6 +34,7 @@ set(DTRANSLATEBOT_SOURCES
     src/main.cpp
     src/message_queue.cpp
     src/settings.cpp
+    src/slashcommands.cpp
     src/submit_queue.cpp
     src/translate_core.cpp
     src/translate_libretranslate.cpp
diff --git a/src/main.cpp b/src/main.cpp
index a275ee0..86fbb6a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -16,12 +16,14 @@
 * responsible for anything with use of the software, you are self responsible.
 *****************************************************************************/
 
-#include <dpp/dpp.h>
+#include <dpp/cluster.h>
+#include <dpp/once.h>
 #include <iostream>
 #include <vector>
 #include <thread>
 #include "message_queue.h"
 #include "settings.h"
+#include "slashcommands.h"
 
 int main(int argc, char* argv[]) {
     if (argc != 2) {
@@ -33,14 +35,14 @@ int main(int argc, char* argv[]) {
     if (!settings.parse(argv[1]))
         return 1;
 
-    {
-        std::vector<bot::translate::language> languages;
-        languages = settings.get_translator()->get_languages();
+    if (settings.get_translator()->get_languages().empty()) {
+        std::cerr << "Failed to initialise translateable languages" << std::endl;
+        return 2;
+    }
 
-        if (languages.empty()) {
-            std::cerr << "Failed to initialise translateable languages" << std::endl;
-            return 2;
-        }
+    if (!std::filesystem::exists(settings.get_storage_path())) {
+        std::cerr << "Storage directory " << settings.get_storage_path() << " can not be found" << std::endl;
+        return 2;
     }
 
     dpp::cluster bot(settings.get_token(), dpp::i_default_intents | dpp::i_message_content);
@@ -83,167 +85,19 @@ int main(int argc, char* argv[]) {
             message.message = event.msg.content;
             message.source = channel->source;
             message.targets = channel->targets;
-            message_queue.add(message);
+            message_queue.add(std::move(message));
         }
     });
 
     bot.on_slashcommand([&bot, &settings](const dpp::slashcommand_t &event) {
         if (event.command.get_command_name() == "translate" || event.command.get_command_name() == "translate_pref") {
-            try {
-                std::variant<dpp::channel,dpp::webhook> v_target;
-                const std::string source = std::get<std::string>(event.get_parameter("source"));
-                const std::string target = std::get<std::string>(event.get_parameter("target"));
-
-                dpp::command_interaction interaction = event.command.get_command_interaction();
-                if (interaction.options[0].name == "channel") {
-                    v_target = event.command.get_resolved_channel(
-                                   std::get<dpp::snowflake>(event.get_parameter("channel")));
-                }
-                else if (interaction.options[0].name == "webhook") {
-                    v_target = dpp::webhook(std::get<std::string>(event.get_parameter("webhook")));
-                }
-
-                const std::vector<bot::translate::language> languages = settings.get_translator()->get_languages();
-
-                std::ostringstream language_codes;
-                bool source_valid = false, target_valid = false;
-                for (const bot::translate::language &language : languages) {
-                    if (language.code == source)
-                        source_valid = true;
-                    if (language.code == target)
-                        target_valid = true;
-                    if (source_valid && target_valid)
-                        break;
-                    language_codes << " " << language.code;
-                }
-
-                if (source_valid && target_valid) {
-                    const std::lock_guard<bot::settings::settings> guard(settings);
-                    if (!settings.get_channel(event.command.guild_id, event.command.channel_id)) {
-                        if (dpp::channel *channel = std::get_if<dpp::channel>(&v_target)) {
-                            dpp::webhook webhook;
-                            webhook.channel_id = channel->id;
-                            webhook.guild_id = channel->guild_id;
-                            webhook.name = "Translate Bot Webhook <" + std::to_string(event.command.channel_id) + ":" + source + ":" + target + ">";
-
-                            bot.create_webhook(webhook, [&bot, &settings, event, source, target](const dpp::confirmation_callback_t &callback) {
-                                if (callback.is_error()) {
-                                    event.reply(dpp::message("Failed to generate webhook!\n" + callback.http_info.body).set_flags(dpp::m_ephemeral));
-                                    return;
-                                }
-                                const dpp::webhook webhook = callback.get<dpp::webhook>();
-
-                                bot::settings::channel s_channel;
-                                s_channel.id = event.command.channel_id;
-                                s_channel.source = source;
-
-                                bot::settings::target s_target;
-                                s_target.target = target;
-                                s_target.webhook = webhook;
-                                s_channel.targets.emplace_back(s_target);
-
-                                settings.lock();
-                                settings.add_channel(s_channel, event.command.guild_id);
-                                settings.add_translatebot_webhook(webhook);
-                                settings.unlock();
-
-                                event.reply(dpp::message("Channel will be now translated!").set_flags(dpp::m_ephemeral));
-                            });
-                        }
-                        else if (dpp::webhook *webhook = std::get_if<dpp::webhook>(&v_target)) {
-                            bot::settings::channel s_channel;
-                            s_channel.id = event.command.channel_id;
-                            s_channel.source = source;
-
-                            bot::settings::target s_target;
-                            s_target.target = target;
-                            s_target.webhook = *webhook;
-                            s_channel.targets.emplace_back(s_target);
-
-                            settings.lock();
-                            settings.add_channel(s_channel, event.command.guild_id);
-                            settings.add_translatebot_webhook(*webhook);
-                            settings.unlock();
-
-                            event.reply(dpp::message("Channel will be now translated!").set_flags(dpp::m_ephemeral));
-                        }
-                    }
-                    else {
-                        event.reply(dpp::message("The current channel is already being translated!").set_flags(dpp::m_ephemeral));
-                    }
-                }
-                else if (!source_valid && !target_valid) {
-                    event.reply(dpp::message("Source and target languages are not valid!\nAvailable languages are:" + language_codes.str()).set_flags(dpp::m_ephemeral));
-                }
-                else if (!source_valid) {
-                    event.reply(dpp::message("Source language is not valid!\nAvailable languages are:" + language_codes.str()).set_flags(dpp::m_ephemeral));
-                }
-                else if (!target_valid) {
-                    event.reply(dpp::message("Target language is not valid!\nAvailable languages are:" + language_codes.str()).set_flags(dpp::m_ephemeral));
-                }
-            }
-            catch (const std::exception &exception) {
-                std::cerr << "Failed to process command /" << event.command.get_command_name() << ": " << exception.what() << std::endl;
-                event.reply(dpp::message("Failed to process command /" + event.command.get_command_name() + "\n" + exception.what()).set_flags(dpp::m_ephemeral));
-            }
+            bot::slashcommands::process_translate_command(&bot, &settings, event);
         }
     });
 
     bot.on_ready([&bot, &settings](const dpp::ready_t &event) {
         if (dpp::run_once<struct register_bot_commands>()) {
-            settings.lock();
-            const std::vector<bot::translate::language> languages = settings.get_translator()->get_languages();
-            const std::vector<std::string> preferred_languages = settings.get_preferred_languages();
-            settings.unlock();
-
-            std::vector<dpp::slashcommand> commands;
-
-            dpp::slashcommand command_translate("translate", "Translate current channel (ISO 639-1)", bot.me.id);
-            command_translate.set_default_permissions(dpp::p_manage_webhooks);
-            dpp::command_option channel_subcommand(dpp::co_sub_command, "channel", "Translate current channel to a channel (ISO 639-1)");
-            dpp::command_option webhook_subcommand(dpp::co_sub_command, "webhook", "Translate current channel to a webhook (ISO 639-1)");
-            dpp::command_option source_option(dpp::co_string, "source", "Source language", true);
-            source_option.set_max_length(2).set_min_length(2);
-            dpp::command_option target_option(dpp::co_string, "target", "Target language", true);
-            target_option.set_max_length(2).set_min_length(2);
-            dpp::command_option channel_option(dpp::co_channel, "channel", "Target channel", true);
-            channel_option.add_channel_type(dpp::CHANNEL_TEXT);
-            dpp::command_option webhook_option(dpp::co_string, "webhook", "Target webhook", true);
-            channel_subcommand.add_option(source_option);
-            channel_subcommand.add_option(target_option);
-            channel_subcommand.add_option(channel_option);
-            webhook_subcommand.add_option(source_option);
-            webhook_subcommand.add_option(target_option);
-            webhook_subcommand.add_option(webhook_option);
-            command_translate.add_option(channel_subcommand);
-            command_translate.add_option(webhook_subcommand);
-            commands.emplace_back(command_translate);
-
-            if (preferred_languages.size() > 1) {
-                dpp::slashcommand command_translate_pref("translate_pref", "Translate current channel (Preferred languages)", bot.me.id);
-                command_translate_pref.set_default_permissions(dpp::p_manage_webhooks);
-                dpp::command_option channel_pref_subcommand(dpp::co_sub_command, "channel", "Translate current channel to a channel (Preferred languages)");
-                dpp::command_option webhook_pref_subcommand(dpp::co_sub_command, "webhook", "Translate current channel to a webhook (Preferred languages)");
-                dpp::command_option source_pref_option(dpp::co_string, "source", "Source language", true);
-                dpp::command_option target_pref_option(dpp::co_string, "target", "Target language", true);
-                for (const bot::translate::language &language : languages) {
-                    if (std::find(preferred_languages.begin(), preferred_languages.end(), language.code) != preferred_languages.end()) {
-                        source_pref_option.add_choice(dpp::command_option_choice(language.name, language.code));
-                        target_pref_option.add_choice(dpp::command_option_choice(language.name, language.code));
-                    }
-                }
-                channel_pref_subcommand.add_option(source_pref_option);
-                channel_pref_subcommand.add_option(target_pref_option);
-                channel_pref_subcommand.add_option(channel_option);
-                webhook_pref_subcommand.add_option(source_pref_option);
-                webhook_pref_subcommand.add_option(target_pref_option);
-                webhook_pref_subcommand.add_option(webhook_option);
-                command_translate_pref.add_option(channel_pref_subcommand);
-                command_translate_pref.add_option(webhook_pref_subcommand);
-                commands.emplace_back(command_translate_pref);
-            }
-
-            bot.global_bulk_command_create(commands);
+            bot::slashcommands::register_commands(&bot, &settings);
         }
     });
 
diff --git a/src/message_queue.cpp b/src/message_queue.cpp
index 2b2c659..6a1e431 100644
--- a/src/message_queue.cpp
+++ b/src/message_queue.cpp
@@ -21,16 +21,6 @@
 #include "settings.h"
 using namespace std::chrono_literals;
 
-inline bot::translated_message make_translated_message(const bot::message &message, const std::string &translated_message, const dpp::webhook &webhook)
-{
-    bot::translated_message tr_message;
-    tr_message.author = message.author;
-    tr_message.avatar = message.avatar;
-    tr_message.message = translated_message;
-    tr_message.webhook = webhook;
-    return tr_message;
-}
-
 void bot::message_queue::add(const bot::message &message)
 {
     m_mutex.lock();
@@ -51,8 +41,12 @@ void bot::message_queue::run(bot::settings::settings *settings, bot::submit_queu
             std::unique_ptr<bot::translate::translator> translator = settings->get_translator();
 
             for (auto target = message.targets.begin(); target != message.targets.end(); target++) {
-                const std::string tr_message = translator->translate(message.message, message.source, target->target);
-                submit_queue->add(make_translated_message(message, tr_message, target->webhook));
+                bot::translated_message tr_message;
+                tr_message.author = message.author;
+                tr_message.avatar = message.avatar;
+                tr_message.message = translator->translate(message.message, message.source, target->target);
+                tr_message.webhook = target->webhook;
+                submit_queue->add(std::move(tr_message));
             }
 
             std::this_thread::yield();
diff --git a/src/message_queue.h b/src/message_queue.h
index e9069a6..702e85a 100644
--- a/src/message_queue.h
+++ b/src/message_queue.h
@@ -18,7 +18,6 @@
 
 #ifndef MESSAGE_QUEUE_H
 #define MESSAGE_QUEUE_H
-#include <dpp/dpp.h>
 #include <mutex>
 #include <string>
 #include <queue>
diff --git a/src/settings.cpp b/src/settings.cpp
index b07fd74..9dc57a9 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -18,6 +18,7 @@
 
 #include <dpp/json.h>
 #include <mutex>
+#include <filesystem>
 #include <fstream>
 #include <iostream>
 #include "settings.h"
@@ -35,13 +36,13 @@ void bot::settings::settings::add_channel(const bot::settings::channel &channel,
     // We will create the guild structure when it is not in memory
     bot::settings::guild guild;
     guild.id = guild_id;
-    guild.channel.emplace_back(channel);
-    m_guilds.emplace_back(guild);
+    guild.channel.push_back(std::move(channel));
+    m_guilds.push_back(std::move(guild));
 }
 
-void bot::settings::settings::add_translatebot_webhook(const dpp::webhook &webhook)
+void bot::settings::settings::add_translatebot_webhook(dpp::snowflake webhook_id)
 {
-    m_webhookIds.push_back(webhook.id);
+    m_webhookIds.push_back(webhook_id);
 }
 
 uint16_t bot::settings::settings::get_avatar_size()
@@ -86,6 +87,11 @@ const std::vector<std::string> bot::settings::settings::get_preferred_languages(
     return m_preflangs;
 }
 
+const std::filesystem::path bot::settings::settings::get_storage_path()
+{
+    return m_storagepath;
+}
+
 const bot::settings::translate* bot::settings::settings::get_translate()
 {
     return &m_translate;
@@ -95,7 +101,7 @@ std::unique_ptr<bot::translate::translator> bot::settings::settings::get_transla
 {
     const std::lock_guard<std::recursive_mutex> guard(m_mutex);
     std::unique_ptr<bot::translate::libretranslate> libretranslate(
-        new bot::translate::libretranslate(m_translate.hostname, m_translate.port, m_translate.url, m_translate.tls, m_translate.apiKey));
+                new bot::translate::libretranslate(m_translate.hostname, m_translate.port, m_translate.url, m_translate.tls, m_translate.apiKey));
     return libretranslate;
 }
 
@@ -145,6 +151,16 @@ bool bot::settings::settings::parse(const std::string &filename)
         const std::lock_guard<std::recursive_mutex> guard(m_mutex);
         m_token = json_token.value();
 
+        auto json_storage = json.find("storage");
+        if (json_storage != json.end())
+            m_storagepath = std::string(json_storage.value());
+        else if (char *storagepath = getenv("DTRANSLATEBOT_STORAGE"))
+            m_storagepath = storagepath;
+
+        if (m_storagepath.empty())
+            m_storagepath = std::filesystem::current_path();
+
+        // In future we should allow more services here, for now it's only LibreTranslate
         auto json_translate = json.find("translate");
         if (json_translate == json.end()) {
             std::cerr << "Translate settings can not be found" << std::endl;
@@ -248,25 +264,25 @@ bool bot::settings::settings::parse(const std::string &filename)
                                     bot::settings::target target;
                                     target.target = json_channel_target.value();
                                     target.webhook = dpp::webhook(json_channel->at("webhook"));
-                                    channel.targets.emplace_back(target);
                                     m_webhookIds.push_back(target.webhook.id);
+                                    channel.targets.push_back(std::move(target));
                                 }
                                 else if (json_channel_target.value().is_object()) {
                                     for (auto json_target = json_channel_target.value().begin(); json_target != json_channel_target.value().end(); json_target++) {
                                         bot::settings::target target;
                                         target.target = json_target.key();
                                         target.webhook = dpp::webhook(json_target.value());
-                                        channel.targets.emplace_back(target);
                                         m_webhookIds.push_back(target.webhook.id);
+                                        channel.targets.push_back(std::move(target));
                                     }
                                 }
                             }
 
                             if (!channel.source.empty() && !channel.targets.empty())
-                                guild.channel.emplace_back(channel);
+                                guild.channel.push_back(std::move(channel));
                         }
                     }
-                    m_guilds.emplace_back(guild);
+                    m_guilds.push_back(std::move(guild));
                 }
             }
         }
@@ -279,7 +295,7 @@ bool bot::settings::settings::parse(const std::string &filename)
                     std::cerr << "\"preferred_lang\" is limited to 25 languages" << std::endl;
                     break;
                 }
-                m_preflangs.push_back(json_preflang);
+                m_preflangs.push_back(std::move(json_preflang));
                 i++;
             }
         }
diff --git a/src/settings.h b/src/settings.h
index ab13a7b..0cbf11b 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -21,6 +21,7 @@
 #include <cstdint>
 #include <dpp/snowflake.h>
 #include <dpp/webhook.h>
+#include <filesystem>
 #include <mutex>
 #include <string>
 #include <vector>
@@ -52,12 +53,13 @@ namespace bot {
         class settings {
         public:
             void add_channel(const bot::settings::channel &channel, dpp::snowflake guild_id);
-            void add_translatebot_webhook(const dpp::webhook &webhook);
+            void add_translatebot_webhook(dpp::snowflake webhook_id);
             uint16_t get_avatar_size();
             const bot::settings::channel* get_channel(const bot::settings::guild *guild, dpp::snowflake channel_id);
             const bot::settings::channel* get_channel(dpp::snowflake guild_id, dpp::snowflake channel_id);
             const bot::settings::guild* get_guild(dpp::snowflake guild_id);
             const std::vector<std::string> get_preferred_languages();
+            const std::filesystem::path get_storage_path();
             const bot::settings::translate* get_translate();
             std::unique_ptr<bot::translate::translator> get_translator();
             const std::string get_token();
@@ -71,6 +73,7 @@ namespace bot {
             std::recursive_mutex m_mutex;
             std::vector<bot::settings::guild> m_guilds;
             std::vector<std::string> m_preflangs;
+            std::filesystem::path m_storagepath;
             bot::settings::translate m_translate;
             std::string m_token;
             std::vector<dpp::snowflake> m_webhookIds;
diff --git a/src/slashcommands.cpp b/src/slashcommands.cpp
new file mode 100644
index 0000000..f8108a7
--- /dev/null
+++ b/src/slashcommands.cpp
@@ -0,0 +1,177 @@
+/*****************************************************************************
+* dtranslatebot Discord Translate Bot
+* Copyright (C) 2024 Syping
+*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* This software is provided as-is, no warranties are given to you, we are not
+* responsible for anything with use of the software, you are self responsible.
+*****************************************************************************/
+
+#include "slashcommands.h"
+
+void bot::slashcommands::process_translate_command(dpp::cluster *bot, bot::settings::settings *settings, const dpp::slashcommand_t &event)
+{
+    try {
+        std::variant<dpp::channel,dpp::webhook> v_target;
+        const std::string source = std::get<std::string>(event.get_parameter("source"));
+        const std::string target = std::get<std::string>(event.get_parameter("target"));
+
+        dpp::command_interaction interaction = event.command.get_command_interaction();
+        if (interaction.options[0].name == "channel") {
+            v_target = event.command.get_resolved_channel(
+                           std::get<dpp::snowflake>(event.get_parameter("channel")));
+        }
+        else if (interaction.options[0].name == "webhook") {
+            v_target = dpp::webhook(std::get<std::string>(event.get_parameter("webhook")));
+        }
+
+        const std::vector<bot::translate::language> languages = settings->get_translator()->get_languages();
+
+        std::ostringstream language_codes;
+        bool source_valid = false, target_valid = false;
+        for (const bot::translate::language &language : languages) {
+            if (language.code == source)
+                source_valid = true;
+            if (language.code == target)
+                target_valid = true;
+            if (source_valid && target_valid)
+                break;
+            language_codes << " " << language.code;
+        }
+
+        if (source_valid && target_valid) {
+            const std::lock_guard<bot::settings::settings> guard(*settings);
+            if (!settings->get_channel(event.command.guild_id, event.command.channel_id)) {
+                if (dpp::channel *channel = std::get_if<dpp::channel>(&v_target)) {
+                    dpp::webhook webhook;
+                    webhook.channel_id = channel->id;
+                    webhook.guild_id = channel->guild_id;
+                    webhook.name = "Translate Bot Webhook <" + std::to_string(event.command.channel_id) + ":" + source + ":" + target + ">";
+
+                    bot->create_webhook(webhook, [&bot, &settings, event, source, target](const dpp::confirmation_callback_t &callback) {
+                        if (callback.is_error()) {
+                            event.reply(dpp::message("Failed to generate webhook!\n" + callback.http_info.body).set_flags(dpp::m_ephemeral));
+                            return;
+                        }
+                        const dpp::webhook webhook = callback.get<dpp::webhook>();
+
+                        bot::settings::channel s_channel;
+                        s_channel.id = event.command.channel_id;
+                        s_channel.source = source;
+
+                        bot::settings::target s_target;
+                        s_target.target = target;
+                        s_target.webhook = webhook;
+                        s_channel.targets.push_back(std::move(s_target));
+
+                        settings->lock();
+                        settings->add_channel(s_channel, event.command.guild_id);
+                        settings->add_translatebot_webhook(webhook.id);
+                        settings->unlock();
+
+                        event.reply(dpp::message("Channel will be now translated!").set_flags(dpp::m_ephemeral));
+                    });
+                }
+                else if (dpp::webhook *webhook = std::get_if<dpp::webhook>(&v_target)) {
+                    bot::settings::channel s_channel;
+                    s_channel.id = event.command.channel_id;
+                    s_channel.source = source;
+
+                    bot::settings::target s_target;
+                    s_target.target = target;
+                    s_target.webhook = *webhook;
+                    s_channel.targets.push_back(std::move(s_target));
+
+                    settings->lock();
+                    settings->add_channel(s_channel, event.command.guild_id);
+                    settings->add_translatebot_webhook(webhook->id);
+                    settings->unlock();
+
+                    event.reply(dpp::message("Channel will be now translated!").set_flags(dpp::m_ephemeral));
+                }
+            }
+            else {
+                event.reply(dpp::message("The current channel is already being translated!").set_flags(dpp::m_ephemeral));
+            }
+        }
+        else if (!source_valid && !target_valid) {
+            event.reply(dpp::message("Source and target languages are not valid!\nAvailable languages are:" + language_codes.str()).set_flags(dpp::m_ephemeral));
+        }
+        else if (!source_valid) {
+            event.reply(dpp::message("Source language is not valid!\nAvailable languages are:" + language_codes.str()).set_flags(dpp::m_ephemeral));
+        }
+        else if (!target_valid) {
+            event.reply(dpp::message("Target language is not valid!\nAvailable languages are:" + language_codes.str()).set_flags(dpp::m_ephemeral));
+        }
+    }
+    catch (const std::exception &exception) {
+        std::cerr << "Failed to process command /" << event.command.get_command_name() << ": " << exception.what() << std::endl;
+        event.reply(dpp::message("Failed to process command /" + event.command.get_command_name() + "\n" + exception.what()).set_flags(dpp::m_ephemeral));
+    }
+}
+
+void bot::slashcommands::register_commands(dpp::cluster *bot, bot::settings::settings *settings)
+{
+    settings->lock();
+    const std::vector<bot::translate::language> languages = settings->get_translator()->get_languages();
+    const std::vector<std::string> preferred_languages = settings->get_preferred_languages();
+    settings->unlock();
+
+    std::vector<dpp::slashcommand> commands;
+
+    dpp::slashcommand command_translate("translate", "Translate current channel (ISO 639-1)", bot->me.id);
+    command_translate.set_default_permissions(dpp::p_manage_webhooks);
+    dpp::command_option channel_subcommand(dpp::co_sub_command, "channel", "Translate current channel to a channel (ISO 639-1)");
+    dpp::command_option webhook_subcommand(dpp::co_sub_command, "webhook", "Translate current channel to a webhook (ISO 639-1)");
+    dpp::command_option source_option(dpp::co_string, "source", "Source language", true);
+    source_option.set_max_length(2).set_min_length(2);
+    dpp::command_option target_option(dpp::co_string, "target", "Target language", true);
+    target_option.set_max_length(2).set_min_length(2);
+    dpp::command_option channel_option(dpp::co_channel, "channel", "Target channel", true);
+    channel_option.add_channel_type(dpp::CHANNEL_TEXT);
+    dpp::command_option webhook_option(dpp::co_string, "webhook", "Target webhook", true);
+    channel_subcommand.add_option(source_option);
+    channel_subcommand.add_option(target_option);
+    channel_subcommand.add_option(channel_option);
+    webhook_subcommand.add_option(source_option);
+    webhook_subcommand.add_option(target_option);
+    webhook_subcommand.add_option(webhook_option);
+    command_translate.add_option(channel_subcommand);
+    command_translate.add_option(webhook_subcommand);
+    commands.push_back(std::move(command_translate));
+
+    if (preferred_languages.size() > 1) {
+        dpp::slashcommand command_translate_pref("translate_pref", "Translate current channel (Preferred languages)", bot->me.id);
+        command_translate_pref.set_default_permissions(dpp::p_manage_webhooks);
+        dpp::command_option channel_pref_subcommand(dpp::co_sub_command, "channel", "Translate current channel to a channel (Preferred languages)");
+        dpp::command_option webhook_pref_subcommand(dpp::co_sub_command, "webhook", "Translate current channel to a webhook (Preferred languages)");
+        dpp::command_option source_pref_option(dpp::co_string, "source", "Source language", true);
+        dpp::command_option target_pref_option(dpp::co_string, "target", "Target language", true);
+        for (const bot::translate::language &language : languages) {
+            if (std::find(preferred_languages.begin(), preferred_languages.end(), language.code) != preferred_languages.end()) {
+                source_pref_option.add_choice(dpp::command_option_choice(language.name, language.code));
+                target_pref_option.add_choice(dpp::command_option_choice(language.name, language.code));
+            }
+        }
+        channel_pref_subcommand.add_option(source_pref_option);
+        channel_pref_subcommand.add_option(target_pref_option);
+        channel_pref_subcommand.add_option(channel_option);
+        webhook_pref_subcommand.add_option(source_pref_option);
+        webhook_pref_subcommand.add_option(target_pref_option);
+        webhook_pref_subcommand.add_option(webhook_option);
+        command_translate_pref.add_option(channel_pref_subcommand);
+        command_translate_pref.add_option(webhook_pref_subcommand);
+        commands.push_back(std::move(command_translate_pref));
+    }
+
+    bot->global_bulk_command_create(commands);
+}
diff --git a/src/slashcommands.h b/src/slashcommands.h
new file mode 100644
index 0000000..4d46735
--- /dev/null
+++ b/src/slashcommands.h
@@ -0,0 +1,33 @@
+/*****************************************************************************
+* dtranslatebot Discord Translate Bot
+* Copyright (C) 2024 Syping
+*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* This software is provided as-is, no warranties are given to you, we are not
+* responsible for anything with use of the software, you are self responsible.
+*****************************************************************************/
+
+#ifndef SLASHCOMMANDS_H
+#define SLASHCOMMANDS_H
+
+#include <dpp/cluster.h>
+#include "settings.h"
+
+namespace bot {
+    class slashcommands {
+    public:
+        static void process_translate_command(dpp::cluster *bot, bot::settings::settings *settings, const dpp::slashcommand_t &event);
+        static void register_commands(dpp::cluster *bot, bot::settings::settings *settings);
+    };
+}
+
+#endif // SLASHCOMMANDS_H
diff --git a/src/submit_queue.h b/src/submit_queue.h
index 1cd12e8..06db524 100644
--- a/src/submit_queue.h
+++ b/src/submit_queue.h
@@ -18,11 +18,11 @@
 
 #ifndef SUBMIT_QUEUE_H
 #define SUBMIT_QUEUE_H
-#include <dpp/dpp.h>
+#include <dpp/cluster.h>
+#include <dpp/webhook.h>
 #include <mutex>
 #include <string>
 #include <queue>
-#include <vector>
 
 namespace bot {
     struct translated_message {
diff --git a/src/translate_libretranslate.cpp b/src/translate_libretranslate.cpp
index a99eb69..6a9e55e 100644
--- a/src/translate_libretranslate.cpp
+++ b/src/translate_libretranslate.cpp
@@ -52,7 +52,7 @@ const std::vector<bot::translate::language> bot::translate::libretranslate::get_
                             language.name = json_lang_name.value();
 
                         if (!language.code.empty() && !language.name.empty())
-                            languages.emplace_back(language);
+                            languages.push_back(std::move(language));
                     }
                 }
             }