diff --git a/application/language/chinese_simplified/account_lang.php b/application/language/chinese_simplified/account_lang.php
index 069c0a14..00f5116a 100644
--- a/application/language/chinese_simplified/account_lang.php
+++ b/application/language/chinese_simplified/account_lang.php
@@ -9,19 +9,19 @@ $lang['account_column3_text'] = '选择第3列';
 $lang['account_column4_text'] = '选择第4列';
 $lang['account_column5_text'] = '选择第5列（仅日志簿）';
 
-$lang['account_create_user_account'] = '创建用户账户i';
+$lang['account_create_user_account'] = '创建用户账户';
 $lang['account_edit_account'] = '编辑账户';
 
 $lang['account_account_information'] = '账户信息';
-$lang['account_user'] = "User";
-$lang['account_word_edited'] = "edited";
+$lang['account_user'] = "用户"; 
+$lang['account_word_edited'] = "已编辑";
 $lang['account_username'] = '用户名';
 $lang['account_email_address'] = '电子邮件';
 $lang['account_password'] = '密码';
 
 $lang['account_roles'] = '角色';
 $lang['account_user_role'] = '用户角色';
-$lang['account_word_admin'] = 'Admin';
+$lang['account_word_admin'] = '管理员';
 
 $lang['account_theme'] = '主题';
 $lang['account_stylesheet'] = '样式表';
@@ -35,13 +35,13 @@ $lang['account_gridsquare'] = '梅登海德网格';
 $lang['account_cloudlog_preferences'] = '偏好选项';
 $lang['account_timezone'] = '时区';
 $lang['account_date_format'] = '日期格式';
-$lang['account_log_end_time'] = 'Log End Times for QSOs Separately';
-$lang['account_log_end_time_hint'] = 'Choose yes here if you want to log QSO start and end times separately. If set to \'No\' the end time will be the same as start time.';
+$lang['account_log_end_time'] = '单独记录QSO结束时间';
+$lang['account_log_end_time_hint'] = '如果想分别记录QSO的开始和结束时间，选择\'是\'，若选择\'否\'则QSO开始与结束时间相同。';
 $lang['account_measurement_preferences'] = '距离单位偏好';
 $lang['account_select_how_you_would_like_dates_shown_when_logged_into_your_account'] = '选择您登录账户时要显示的日期格式';
 $lang['account_choose_which_unit_distances_will_be_shown_in'] = '选择距离单位';
-$lang['account_cloudlog_language'] = 'Cloudlog Language';
-$lang['account_choose_cloudlog_language'] = 'Choose Cloudlog language.';
+$lang['account_cloudlog_language'] = 'Cloudlog语言';
+$lang['account_choose_cloudlog_language'] = '选择Cloudlog语言。';
 
 $lang['account_main_menu'] = '主菜单';
 $lang['account_show_notes_in_the_main_menu'] = '在主菜单显示便签栏';
@@ -64,7 +64,7 @@ $lang['account_please_set_your_qrzcom_hamqthcom_credentials_in_the_general_confi
 $lang['account_amsat_status_upload'] = '上传到AMSAT';
 $lang['account_upload_status_of_sat_qsos_to'] = '上传卫星QSO到';
 
-$lang['account_logbook_of_the_world'] = 'Logbook of the World';
+$lang['account_logbook_of_the_world'] = 'Logbook of the World（LoTW）';
 $lang['account_logbook_of_the_world_lotw_username'] = 'Logbook of The World (LoTW) 用户名';
 $lang['account_logbook_of_the_world_lotw_password'] = 'Logbook of The World (LoTW) 密码';
 $lang['account_leave_blank_to_keep_existing_password'] = '留空以保留现有密码';
@@ -99,13 +99,13 @@ $lang['account_login'] = '登录';
 
 $lang['account_mastodon'] = 'Mastodon服务器';
 $lang['account_user_mastodon'] = 'Mastodon 地址';
-$lang['account_user_mastodon_hint'] = "Main URL of your Mastodon server, e.g. <a href='https://radiosocial.de/' target='_blank'>https://radiosocial.de";
+$lang['account_user_mastodon_hint'] = "Mastodon服务器的主URL地址，例如 <a href='https://radiosocial.de/' target='_blank'>https://radiosocial.de";
 
-$lang['account_default_band_settings'] = 'Settings for Default Band and Confirmation';
+$lang['account_default_band_settings'] = '默认波段和QSL确认方式设置';
 $lang['account_gridmap_default_band'] = '默认波段';
-$lang['account_qsl_settings'] = 'Default QSL-Methods';
+$lang['account_qsl_settings'] = '默认QSL方式';
 
 $lang['account_winkeyer'] = 'Winkeyer';
-$lang['account_winkeyer_hint'] = "Winkeyer support in Cloudlog is very experimental read the wiki first at <a href='https://github.com/magicbug/Cloudlog/wiki/Winkey' target='_blank'>https://github.com/magicbug/Cloudlog/wiki/Winkey</a> before enabling.";
-$lang['account_winkeyer_enabled'] = "Winkeyer Features Enabled";
+$lang['account_winkeyer_hint'] = "Cloudlog 中对 Winkeyer 的支持是实验性的，请在开启前先阅读 <a href='https://github.com/magicbug/Cloudlog/wiki/Winkey' target='_blank'>https://github.com/magicbug/Cloudlog/wiki/Winkey</a>。";
+$lang['account_winkeyer_enabled'] = "启用Winkeyer功能";
 
diff --git a/application/language/chinese_simplified/adif_lang.php b/application/language/chinese_simplified/adif_lang.php
index 45e5196a..9b04979d 100644
--- a/application/language/chinese_simplified/adif_lang.php
+++ b/application/language/chinese_simplified/adif_lang.php
@@ -9,8 +9,8 @@ Topbar
 ___________________________________________________________________________________________
 */
 
-$lang['adif_import'] = "ADIF Import";
-$lang['adif_export'] = "ADIF Export";
+$lang['adif_import'] = "ADIF 导入";
+$lang['adif_export'] = "ADIF 导出";
 // $lang['lotw_title']                      --> application/language/english/lotw_lang.php
 $lang['darc_dcl'] = "DARC DCL";
 
@@ -22,33 +22,33 @@ ________________________________________________________________________________
 */
 
 // $lang['general_word_important']           --> application/language/english/general_words_lang.php
-$lang['adif_alert_log_files_type'] = "Log Files must have the file type *.adi";
+$lang['adif_alert_log_files_type'] = "Log文件的拓展名必须是.adi";
 // $lang['general_word_warning']            --> application/language/english/general_words_lang.php "PHP Upload Warning"
 // $lang['gen_max_file_upload_size']        --> application/language/english/general_words_lang.php "PHP Upload Warning"
 
-$lang['adif_select_stationlocation'] = "Select Station Location";
+$lang['adif_select_stationlocation'] = "选择站点位置";
 // $lang['gen_hamradio_callsign']           --> application/language/english/general_words_lang.php
 
 // The File Input is translated by the Browser
-$lang['adif_file_label'] = "ADIF File";
+$lang['adif_file_label'] = "ADIF 文件";
 
-$lang['adif_hint_no_info_in_file'] ="Select if ADIF being imported does not contain this information.";
+$lang['adif_hint_no_info_in_file'] ="如果导入的ADIF文件不包含此信息，选择此项。";
 
-$lang['adif_import_dup'] = "Import duplicate QSOs";
-$lang['adif_mark_imported_lotw'] = "Mark imported QSOs as uploaded to LoTW";
-$lang['adif_mark_imported_hrdlog'] = "Mark imported QSOs as uploaded to HRDLog.net Logbook";
-$lang['adif_mark_imported_qrz'] = "Mark imported QSOs as uploaded to QRZ Logbook";
-$lang['adif_mark_imported_clublog'] = "Mark imported QSOs as uploaded to Clublog Logbook";
+$lang['adif_import_dup'] = "导入重复的QSO";
+$lang['adif_mark_imported_lotw'] = "标记导入的QSO为已上传至 LoTW";
+$lang['adif_mark_imported_hrdlog'] = "标记导入的QSO为已上传至 HRDLog.net Logbook";
+$lang['adif_mark_imported_qrz'] = "标记导入的QSO为已上传至 QRZ Logbook";
+$lang['adif_mark_imported_clublog'] = "标记导入的QSO为已上传至 Clublog Logbook";
 
-$lang['adif_dxcc_from_adif'] = "Use DXCC information from ADIF";
-$lang['adif_dxcc_from_adif_hint'] = "If not selected, Cloudlog will attempt to determine DXCC information automatically.";
+$lang['adif_dxcc_from_adif'] = "使用ADIF文件中的DXCC信息";
+$lang['adif_dxcc_from_adif_hint'] = "如果不选择，Cloudlog会尝试自动确定DXCC信息。";
 
-$lang['adif_always_use_login_call_as_op'] = "Always use login-callsign as operator-name on import";
+$lang['adif_always_use_login_call_as_op'] = "总是在导入时使用登录的呼号作为操作者名称";
 
-$lang['adif_ignore_station_call'] = "Ignore Stationcallsign on import";
-$lang['adif_ignore_station_call_hint'] = "If selected, Cloudlog will try to import <b>all</b> QSO's of the ADIF, regardless if they match to the chosen station-location.";
+$lang['adif_ignore_station_call'] = "导入时忽略台站的呼号";
+$lang['adif_ignore_station_call_hint'] = "如果选择，Cloudlog会尝试导入ADIF文件中的 <b>所有</b> QSO，无论他们是否与所选台站位置匹配。";
 
-$lang['adif_upload'] = "Upload";
+$lang['adif_upload'] = "上传";
 
 /*
 ___________________________________________________________________________________________
@@ -56,18 +56,18 @@ ADIF Export
 ___________________________________________________________________________________________
 */
 
-$lang['adif_export_take_it_anywhere'] = "Take your logbook file anywhere!";
-$lang['adif_export_take_it_anywhere_hint'] = "Exporting ADIFs allows you to import contacts into third party applications like LoTW, Awards or just for keeping a backup.";
+$lang['adif_export_take_it_anywhere'] = "导出你的日志！";
+$lang['adif_export_take_it_anywhere_hint'] = "导出 ADIF 允许您将日志导入到 LoTW 等第三方应用程序或只是为了保留备份。";
 
 
-$lang['adif_mark_exported_lotw'] = "Mark exported QSOs as uploaded to LoTW";
-$lang['adif_mark_exported_no_lotw'] = "Export QSOs not uploaded to LoTW";
+$lang['adif_mark_exported_lotw'] = "将导出的 QSO 标记为已上传到 LoTW";
+$lang['adif_mark_exported_no_lotw'] = "导出没有上传到 LoTw 的 QSO";
 
-$lang['adif_export_qso'] = "Export QSO's";
+$lang['adif_export_qso'] = "导出 QSO";
 
-$lang['adif_export_sat_only_qso'] = "Export Satellite-Only QSOs";
-$lang['adif_export_sat_only_qso_all'] = "Export All Satellite QSOs";
-$lang['adif_export_sat_only_qso_lotw'] = "Export All Satellite QSOs Confirmed on LoTW";
+$lang['adif_export_sat_only_qso'] = "只导出卫星 QSO";
+$lang['adif_export_sat_only_qso_all'] = "导出所有卫星 QSO";
+$lang['adif_export_sat_only_qso_lotw'] = "导出 LoTW 上确认的所有卫星 QSO";
 
 /*
 ___________________________________________________________________________________________
@@ -75,12 +75,12 @@ Logbook of the World
 ___________________________________________________________________________________________
 */
 
-$lang['adif_lotw_export_if_selected'] = "If a date range is not selected then all QSOs will be marked!";
-$lang['adif_mark_qso_as_exported_to_lotw'] = "Mark QSOs as exported to LoTW";
+$lang['adif_lotw_export_if_selected'] = "如果未选择日期范围，则所有 QSO 都将被标记！";
+$lang['adif_mark_qso_as_exported_to_lotw'] = "将 QSO 标记为导出到 LoTW";
 
-$lang['adif_qso_marked'] = "QSOs marked";
-$lang['adif_yay_its_done'] = "Yay, its done!";
-$lang['adif_qso_lotw_marked_confirm'] = "The QSOs are marked as exported to LoTW.";
+$lang['adif_qso_marked'] = "QSO 已标记";
+$lang['adif_yay_its_done'] = "耶, 完事儿了！";
+$lang['adif_qso_lotw_marked_confirm'] = "这些 QSO 已经被标记为已导出到 LoTW。";
 
 /*
 ___________________________________________________________________________________________
@@ -105,15 +105,15 @@ Import Success
 ___________________________________________________________________________________________
 */
 
-$lang['adif_imported'] = "ADIF Imported";
-$lang['adif_yay_its_imported'] = "Yay, its imported!";
-$lang['adif_import_confirm'] = "The ADIF File has been imported.";
+$lang['adif_imported'] = "ADIF 已导入";
+$lang['adif_yay_its_imported'] = "耶，导入成功！";
+$lang['adif_import_confirm'] = "ADIF 文件已成功导入";
 
-$lang['adif_import_dupes_inserted'] = " <b>Dupes were inserted!</b>";
-$lang['adif_import_dupes_skipped'] = " Dupes were skipped.";
+$lang['adif_import_dupes_inserted'] = " <b>重复条目已导入！</b>";
+$lang['adif_import_dupes_skipped'] = " 重复条目已跳过。";
 
-$lang['adif_import_errors'] = "ADIF Errors";
-$lang['adif_import_errors_hint'] = "You have ADIF errors, the QSOs have still been added but these fields have not been populated.";
+$lang['adif_import_errors'] = "ADIF 错误";
+$lang['adif_import_errors_hint'] = "ADIF 错误，QSO 虽然已添加，但这些字段尚未填充。";
 
 /*
 ___________________________________________________________________________________________
diff --git a/application/language/chinese_simplified/admin_lang.php b/application/language/chinese_simplified/admin_lang.php
index 86034e4f..4de0b902 100644
--- a/application/language/chinese_simplified/admin_lang.php
+++ b/application/language/chinese_simplified/admin_lang.php
@@ -3,7 +3,7 @@
 defined('BASEPATH') OR exit('No direct script access allowed');
 
 $lang['admin_user_line1'] = 'Cloudlog至少需要配置一个用户才能运行。';
-$lang['admin_user_line2'] = '用户可以被分配不同的角色，这些角色赋予他们不同的权限，例如向日志簿添加Qso和访问Cloudlog api。';
+$lang['admin_user_line2'] = '用户可以被分配不同的角色，这些角色赋予他们不同的权限，例如向日志簿添加 QSO 和访问Cloudlog API。';
 $lang['admin_user_line3'] = '页面右上方显示当前登录的用户。';
 
 $lang['admin_user_list'] = '用户列表';
@@ -15,41 +15,41 @@ $lang['admin_options'] = '设置';
 
 $lang['admin_create_user'] = '创建用户';
 $lang['admin_delete'] = '删除用户';
-$lang['admin_remove'] = "Remove";
+$lang['admin_remove'] = "删除";
 $lang['admin_edit'] = '编辑用户';
-$lang['admin_create'] = 'Create';
-$lang['admin_update'] = 'Update';
-$lang['admin_copy'] = 'Copy';
-$lang['admin_save'] = 'Save';
-$lang['admin_close'] = 'Close';
-$lang['admin_user_accounts'] = 'User Accounts';
-$lang['admin_danger'] = 'DANGER!';
-$lang['admin_experimental'] = "Experimental";
+$lang['admin_create'] = '创建';
+$lang['admin_update'] = '更新';
+$lang['admin_copy'] = '复制';
+$lang['admin_save'] = '保存';
+$lang['admin_close'] = '关闭';
+$lang['admin_user_accounts'] = '用户账户';
+$lang['admin_danger'] = '危险!';
+$lang['admin_experimental'] = "实验性功能";
 
 
 
 // Contest Menu
 
-$lang['admin_contest_menu_line_1'] = 'Using the contest list, you can control which Contests are shown when logging QSOs in a contest.';
-$lang['admin_contest_menu_line_2'] = 'Active contests will be shown in the Contest Name drop-down, while inactive contests will be hidden and cannot be selected.';
-$lang['admin_contest_menu_name'] = 'Name';
-$lang['admin_contest_menu_adif'] = 'ADIF Name';
-$lang['admin_contest_menu_active'] = 'Active';
-$lang['admin_contest_menu_n_active'] = 'Not Active';
-$lang['admin_contest_menu_activate'] = 'Activate';
-$lang['admin_contest_menu_deactivate'] = 'Deactivate';
+$lang['admin_contest_menu_line_1'] = '使用 Contest 列表，您可以控制在比赛中记录 QSO 时显示哪些 Contest。';
+$lang['admin_contest_menu_line_2'] = '启用的 Contest 将显示在竞赛名称下拉列表中，而停用的 Contest 将被隐藏且无法选择。';
+$lang['admin_contest_menu_name'] = '名称';
+$lang['admin_contest_menu_adif'] = 'ADIF 名称';
+$lang['admin_contest_menu_active'] = '启用';
+$lang['admin_contest_menu_n_active'] = '停用';
+$lang['admin_contest_menu_activate'] = '启用';
+$lang['admin_contest_menu_deactivate'] = '停用';
 
-$lang['admin_contest_add_contest'] = 'Add a Contest';
-$lang["admin_contest_create"] = "Create";
-$lang['admin_contest_all_active'] = 'Activate All';
-$lang['admin_contest_all_deactive'] = 'Deactivate All';
+$lang['admin_contest_add_contest'] = '添加 Contest';
+$lang["admin_contest_create"] = "创建";
+$lang['admin_contest_all_active'] = '启用所有';
+$lang['admin_contest_all_deactive'] = '停用所有';
 
-$lang['admin_contest_name_adif'] = 'Contest ADIF Name';
-$lang['admin_contest_name_of_contest'] = 'Name of the Contest';
-$lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
-$lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
-$lang['admin_contest_edit_update_contest'] = 'Update Contest';
-$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
-$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
-$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
+$lang['admin_contest_name_adif'] = 'Contest ADIF 名称';
+$lang['admin_contest_name_of_contest'] = 'Contest 名称';
+$lang['admin_contest_name_of_adif'] = 'Contest 在 ADIF 中的名称';
+$lang['admin_contest_edit_active_hint'] = '如果要列在 Contest 列表中，则设置为启用';
+$lang['admin_contest_edit_update_contest'] = '更新 Contest';
+$lang['admin_contest_deletion_warning'] = '注意！您确定要删除以下 Contest 吗：';
+$lang['admin_contest_active_all_warning'] = '注意！您确定要启用所有竞赛吗？';
+$lang['admin_contest_deactive_all_warning'] = '注意！您确定要停用所有竞赛吗？';
 
diff --git a/application/language/chinese_simplified/contesting_lang.php b/application/language/chinese_simplified/contesting_lang.php
index a65ffa3f..c3359998 100644
--- a/application/language/chinese_simplified/contesting_lang.php
+++ b/application/language/chinese_simplified/contesting_lang.php
@@ -4,20 +4,20 @@ defined('BASEPATH') OR exit('No direct script access allowed');
 
 $lang['contesting_page_title'] = '竞赛日志';
 $lang['contesting_button_reset_contest_session'] = '重置竞赛会话';
-$lang['contesting_operator_callsign'] = 'Operator Callsign';
+$lang['contesting_operator_callsign'] = '操作员呼号';
 
 $lang['contesting_exchange_type'] = '信号交换类型';
 $lang['contesting_exchange_type_serial'] = '序列编号';
-$lang['contesting_exchange_type_none'] = 'None';
-$lang['contesting_exchange_type_exchange'] = 'Exchange';
-$lang['contesting_exchange_type_gridsquare'] = 'Gridsquare';
+$lang['contesting_exchange_type_none'] = '无';
+$lang['contesting_exchange_type_exchange'] = '交换信息';
+$lang['contesting_exchange_type_gridsquare'] = '网格座标';
 $lang['contesting_exchange_type_other'] = '其他';
-$lang['contesting_exchange_type_serial_exchange'] = 'Serial + Exchange';
-$lang['contesting_exchange_type_serial_gridsquare'] = 'Serial + Gridsquare';
-$lang['contesting_exchange_serial_s'] = 'Serial (S)';
-$lang['contesting_exchange_serial_r'] = 'Serial (R)';
-$lang['contesting_exchange_gridsquare_s'] = 'Gridsquare (S)';
-$lang['contesting_exchange_gridsquare_r'] = 'Gridsquare (R)';
+$lang['contesting_exchange_type_serial_exchange'] = '序列编号 + 交换信息';
+$lang['contesting_exchange_type_serial_gridsquare'] = '序列编号 + 网格座标';
+$lang['contesting_exchange_serial_s'] = '序列编号 (S)';
+$lang['contesting_exchange_serial_r'] = '序列编号 (R)';
+$lang['contesting_exchange_gridsquare_s'] = '网格座标 (S)';
+$lang['contesting_exchange_gridsquare_r'] = '网格座标 (R)';
 
 $lang['contesting_contest_name'] = '竞赛名称';
 
@@ -27,6 +27,6 @@ $lang['contesting_btn_save_qso'] = '保存 QSO';
 $lang['contesting_title_callsign_suggestions'] = '呼号建议';
 $lang['contesting_title_contest_logbook'] = '竞赛日志簿';
 
-$lang['contesting_copy_exch_to_dok'] = 'Copy received exchange to DOK field in the database!';
+$lang['contesting_copy_exch_to_dok'] = '将收到的交换信息复制到数据库中的 DOK 字段！';
 
 
diff --git a/application/language/chinese_simplified/export_lang.php b/application/language/chinese_simplified/export_lang.php
index dd3d81f8..51735e93 100644
--- a/application/language/chinese_simplified/export_lang.php
+++ b/application/language/chinese_simplified/export_lang.php
@@ -8,7 +8,7 @@ KML Export
 ___________________________________________________________________________________________
 */
 
-$lang['export_kml_header'] = "KML Export";
+$lang['export_kml_header'] = "KML 导出";
 $lang['export_kml_description'] = "Export your logbook to a KML file for use in Google Earth.";
 $lang['export_kml_grisquare_warning'] = "Only QSOs with a gridsquare defined will be exported!";
 
@@ -19,7 +19,7 @@ DX Atlas Export
 ___________________________________________________________________________________________
 */
 
-$lang['export_dxatlas_header'] = "DX Atlas Export";
+$lang['export_dxatlas_header'] = "DX Atlas 导出";
 $lang['export_dxatlas_description'] = "Export your logbook for use in DX Atlas to display worked / confirmed gridsquares.";
 $lang['export_dxatlas_gridsquare_warning'] = "Only QSOs with a gridsquare defined will be exported!";
 
@@ -30,7 +30,7 @@ SOTA Export
 ___________________________________________________________________________________________
 */
 
-$lang['export_sota_header'] = "SOTA CSV Export";
+$lang['export_sota_header'] = "SOTA CSV 导出";
 $lang['export_sota_description'] = "Export your logbook for SOTA uploads.";
 $lang['export_sota_info_warning'] = "Only QSOs with SOTA information will be exported!";
 
@@ -40,7 +40,7 @@ Cabrillo Export
 ___________________________________________________________________________________________
 */
 
-$lang['export_cabrillo_header'] = "Cabrillo Export";
+$lang['export_cabrillo_header'] = "Cabrillo 导出";
 $lang['export_cabrillo_description'] = "Export a contest to a Cabrillo log";
 $lang['export_cabrillo_select_station'] = "Select Station Location:";
 $lang['export_cabrillo_proceed'] = "Proceed";
diff --git a/application/language/chinese_simplified/general_words_lang.php b/application/language/chinese_simplified/general_words_lang.php
index 76a808da..eb26c0f9 100644
--- a/application/language/chinese_simplified/general_words_lang.php
+++ b/application/language/chinese_simplified/general_words_lang.php
@@ -7,20 +7,20 @@ $lang['error_no_active_station_profile'] = '注意：你需要设置一个活动
 $lang['notice_turn_the_radio_on'] = '你今天还没有 QSO，是时候打开你的电台了！';
 
 $lang['general_word_important'] = '重要';
-$lang['general_word_warning'] = 'Warning';
-$lang['general_word_danger'] = 'DANGER';
-$lang['general_word_maintenance'] = 'Maintenance';
+$lang['general_word_warning'] = '注意';
+$lang['general_word_danger'] = '警告';
+$lang['general_word_maintenance'] = '维护';
 $lang['general_word_info'] = '消息';
 $lang['general_word_choose_file'] = '选择文件';
-$lang['general_word_next'] = 'Next';
-$lang['general_word_previous'] = 'Previous';
-$lang['general_word_cancel'] = "Cancel";
-$lang['general_word_ok'] = "OK";
-$lang['general_word_attention'] = "Attention";
-$lang['general_word_enabled'] = "Enabled";
-$lang['general_word_disabled'] = "Disabled";
-$lang['general_word_export'] = "Export";
-$lang['general_word_import'] = "Import";
+$lang['general_word_next'] = '后一项';
+$lang['general_word_previous'] = '前一项';
+$lang['general_word_cancel'] = "取消";
+$lang['general_word_ok'] = "确认";
+$lang['general_word_attention'] = "注意";
+$lang['general_word_enabled'] = "已启用";
+$lang['general_word_disabled'] = "已禁用";
+$lang['general_word_export'] = "导出";
+$lang['general_word_import'] = "导入";
 
 $lang['general_word_date'] = '日期';
 $lang['general_word_time'] = '时间';
@@ -36,21 +36,21 @@ $lang['general_word_satellite'] = '卫星';
 $lang['general_word_satellite_short'] = '卫星';
 $lang['general_word_notes'] = '笔记';
 $lang['general_word_country'] = 'DXCC 实体';
-$lang['general_word_city'] = 'City';
+$lang['general_word_city'] = '城市';
 
 $lang['general_word_total'] = '总计';
 $lang['general_word_year'] = '年';
 $lang['general_word_month'] = '月';
 
-$lang['general_word_colors'] = "Colors";
-$lang['general_word_light'] = "Light/Laser";
+$lang['general_word_colors'] = "颜色";
+$lang['general_word_light'] = "浅色/激光";
 $lang['general_word_worked'] = '已通联';
-$lang['general_word_worked_not_confirmed'] = "Worked not confirmed";
-$lang['general_word_not_worked'] = "Not worked";
+$lang['general_word_worked_not_confirmed'] = "已通联未确认";
+$lang['general_word_not_worked'] = "未通联";
 $lang['general_word_confirmed'] = '已确认';
 $lang['general_word_needed'] = '待通联';
 
-$lang['general_word_all'] = 'All';
+$lang['general_word_all'] = '所有';
 $lang['general_word_no'] = '否';
 $lang['general_word_yes'] = '是';
 $lang['general_word_method'] = '方法';
@@ -71,11 +71,11 @@ $lang['general_word_qslcard_manager'] = '管理员';
 $lang['general_word_qslcard_via'] = '通过';
 $lang['general_word_eqslcard'] = '电子 QSL 卡片';
 $lang['general_word_eqslcards'] = 'eQSL 卡片';
-$lang['general_word_lotw'] = 'Logbook of the World';
+$lang['general_word_lotw'] = 'Logbook of the World（LoTW）';
 $lang['general_word_lotw_short'] = 'LoTW';
 
-$lang['general_word_details'] = 'Details';
-$lang['general_word_qso_data'] = 'QSO Data';
+$lang['general_word_details'] = '详细';
+$lang['general_word_qso_data'] = 'QSO 数据';
 
 $lang['general_edit_qso'] = '编辑 QSO';
 $lang['general_mark_qsl_rx_bureau'] = '标记 已收到的QSL (卡片局)';
@@ -83,21 +83,21 @@ $lang['general_mark_qsl_rx_direct'] = '标记 已收到的QSL (直邮)';
 $lang['general_mark_qsl_rx_electronic'] = '标记 已收到的QSL (电子)';
 $lang['general_mark_qsl_tx_bureau'] = '标记 已发送的QSL (卡片局)';
 $lang['general_mark_qsl_tx_direct'] = '标记 已发送的QSL (直邮)';
-$lang['general_mark_qsl_requested'] = 'Mark QSL Card Requested';
-$lang['general_mark_qsl_requested_bureau'] = 'Mark QSL Card Requested (Bureau)';
-$lang['general_mark_qsl_requested_direct'] = 'Mark QSL Card Requested (Direct)';
-$lang['general_mark_qsl_not_required'] = 'Mark QSL Card Not Required';
+$lang['general_mark_qsl_requested'] = '标记 已请求 QSL Card';
+$lang['general_mark_qsl_requested_bureau'] = '标记 已请求 QSL Card (卡片局)';
+$lang['general_mark_qsl_requested_direct'] = '标记 已请求 QSL Card (直邮)';
+$lang['general_mark_qsl_not_required'] = '标记 不需要 QSL Card';
 
 $lang['general_delete_qso'] = '删除 QSO';
-$lang['general_more_qso'] = 'More QSOs';
+$lang['general_more_qso'] = '更多 QSO';
 
-$lang['general_lookup_qrz'] = 'Lookup on QRZ.com';
-$lang['general_lookup_hamqth'] = 'Lookup on HamQTH';
+$lang['general_lookup_qrz'] = '在 QRZ.com 上查询';
+$lang['general_lookup_hamqth'] = '在 HamQTH 上查询';
 
 $lang['general_total_distance'] = '总计距离';
 
 // PHP Upload Warning
-$lang['gen_max_file_upload_size'] = 'Maximum file upload size is ';
+$lang['gen_max_file_upload_size'] = '最大上传文件大小是';
 
 // Cloudlog Terms
 $lang['cloudlog_station_profile'] = '台站地址';
@@ -110,8 +110,7 @@ $lang['gen_hamradio_station'] = '台站';
 $lang['gen_hamradio_call'] = '呼号';
 $lang['gen_hamradio_callsign'] = '呼号';
 $lang['gen_hamradio_mode'] = '模式';
-$lang['gen_hamradio_dx'] = 'Dx';
-$lang['gen_hamradio_mode'] = 'Mode';
+$lang['gen_hamradio_dx'] = 'DX';
 $lang['gen_hamradio_rst_sent'] = '发';
 $lang['gen_hamradio_rst_rcvd'] = '收';
 $lang['gen_hamradio_band'] = '频段';
@@ -127,9 +126,9 @@ $lang['gen_hamradio_myrefs'] = 'My Refs';
 $lang['gen_hamradio_exchange_sent_short'] = '信号交换 (发)';
 $lang['gen_hamradio_exchange_rcvd_short'] = '信号交换 (收)';
 $lang['gen_hamradio_qsl'] = 'QSL';
-$lang['gen_hamradio_qsltype'] = "QSL Type";
+$lang['gen_hamradio_qsltype'] = "QSL 类型";
 $lang['gen_hamradio_qslvia'] = 'QSL via';
-$lang['gen_hamradio_qslmsg'] = 'QSL Msg';
+$lang['gen_hamradio_qslmsg'] = 'QSL 信息';
 $lang['gen_hamradio_locator'] = '定位器';
 $lang['gen_hamradio_transmit_power'] = '发射功率 (W)';
 $lang['gen_hamradio_propagation_mode'] = '传播模式';
@@ -139,11 +138,11 @@ $lang['gen_hamradio_satellite_mode'] = '卫星模式';
 
 $lang['gen_hamradio_logbook'] = '日志簿';
 
-$lang['gen_hamradio_zones'] = 'Zones';
+$lang['gen_hamradio_zones'] = '分区';
 $lang['gen_hamradio_cq_zone'] = 'CQ 分区';
-$lang['gen_hamradio_itu_zone'] = 'ITU Zone';
+$lang['gen_hamradio_itu_zone'] = 'ITU 分区';
 $lang['gen_hamradio_dxcc'] = 'DXCC实体';
-$lang['gen_hamradio_deleted_dxcc'] = '删除 DXCC实体';
+$lang['gen_hamradio_deleted_dxcc'] = '删除 DXCC 实体';
 $lang['gen_hamradio_continent'] = '大陆';
 $lang['gen_hamradio_usa_state'] = '州（美国）';
 $lang['gen_hamradio_county_reference'] = '县（美国）';
@@ -158,7 +157,7 @@ $lang['gen_hamradio_sota'] = 'SOTA';
 $lang['gen_hamradio_wwff'] = 'WWFF';
 $lang['gen_hamradio_pota'] = 'POTA';
 $lang['gen_hamradio_gridsquare'] = '网格';
-$lang['gen_hamradio_get_gridsquare'] = 'Get Gridsquare';
+$lang['gen_hamradio_get_gridsquare'] = '获取网格座标';
 $lang['gen_hamradio_distance'] = '距离';
 $lang['gen_hamradio_operator'] = '操作员';
 
@@ -166,10 +165,10 @@ $lang['gen_hamradio_sig'] = 'Sig';
 $lang['gen_hamradio_sig_info'] = 'Sig 属性';
 
 // Find your CQ/ITU Zone
-$lang['gen_find_zone_cq_part1'] = "If you don't know your CQ Zone then ";
-$lang['gen_find_zone_itu_part1'] = "If you don't know your ITU Zone then ";
-$lang['gen_find_zone_part2'] = 'click here';
-$lang['gen_find_zone_part3'] = ' to find it!';
+$lang['gen_find_zone_cq_part1'] = "如果您不知道自己的 CQ 分区";
+$lang['gen_find_zone_itu_part1'] = "如果您不知道自己的 ITU 分区";
+$lang['gen_find_zone_part2'] = '点击此处';
+$lang['gen_find_zone_part3'] = '来查询！';
 
 // Dashboard Words
 $lang['dashboard_you_have_had'] = '今天你有';
@@ -195,7 +194,7 @@ $lang['oceania'] = '大洋洲';
 $lang['southamerica'] = '南美洲';
 
 $lang['gen_band_selection'] = '波段选择';
-$lang['general_word_today'] = 'Today';
+$lang['general_word_today'] = '今天';
 
 $lang['dashboard_php_version_warning'] = 'You need to upgrade your PHP version. Minimum version is 7.4. Your version is';
 $lang['dashboard_country_files_warning'] = 'You need to update country files! Go <a href="'.site_url('update').'">here</a> to do it!';
diff --git a/application/language/chinese_simplified/gridsquares_lang.php b/application/language/chinese_simplified/gridsquares_lang.php
index a2d127dd..e3dad892 100644
--- a/application/language/chinese_simplified/gridsquares_lang.php
+++ b/application/language/chinese_simplified/gridsquares_lang.php
@@ -23,7 +23,7 @@ $lang['gridsquares_button_plot'] = '绘制';
 $lang['gridsquares_gridsquares'] = '网格';
 $lang['gridsquares_gridsquares_confirmed'] = '已确认的网格';
 $lang['gridsquares_gridsquares_not_confirmed'] = '未确认的网格';
-$lang['gridsquares_gridsquares_lotw'] = 'Gridsquares confirmed on LoTW';
-$lang['gridsquares_gridsquares_paper'] = 'Gridsquares confirmed by paper QSL';
+$lang['gridsquares_gridsquares_lotw'] = '在 LoTW 上确认的网格';
+$lang['gridsquares_gridsquares_paper'] = '通过纸质 QSL 确认的网格';
 $lang['gridsquares_gridsquares_total_worked'] = '总共工作过的网格';
-$lang['gridsquares_gridsquares_total_activated'] = 'Total gridsquares activated';
+$lang['gridsquares_gridsquares_total_activated'] = '总激活的网格';
diff --git a/application/language/chinese_simplified/menu_lang.php b/application/language/chinese_simplified/menu_lang.php
index 24c7b816..3eddffe8 100644
--- a/application/language/chinese_simplified/menu_lang.php
+++ b/application/language/chinese_simplified/menu_lang.php
@@ -11,7 +11,7 @@ $lang['menu_advanced'] = '详细信息';
 $lang['menu_qso'] = 'QSO';
 $lang['menu_live_qso'] = '添加QSO（从电台获取信息）';
 $lang['menu_post_qso'] = '添加QSO（手动输入信息）';
-$lang['menu_fast_log_entry'] = "Simple Fast Log Entry";
+$lang['menu_fast_log_entry'] = "简单快速记录Log";
 $lang['menu_live_contest_logging'] = '比赛日志（从电台获取信息）';
 $lang['menu_post_contest_logging'] = '比赛日志（手动输入信息）';
 $lang['menu_bandmap'] = 'Bandmap';
@@ -88,4 +88,4 @@ $lang['menu_logout'] = '注销';
 
 $lang['menu_ffma'] = "Fred Fish Memorial Award";
 $lang['menu_ja_gridmaster'] = 'JA Gridmaster';
-$lang['menu_maintenance']='Maintenance';
+$lang['menu_maintenance']='维护';
diff --git a/application/language/chinese_simplified/options_lang.php b/application/language/chinese_simplified/options_lang.php
index bce4b0d2..9b17e609 100644
--- a/application/language/chinese_simplified/options_lang.php
+++ b/application/language/chinese_simplified/options_lang.php
@@ -71,27 +71,27 @@ $lang['options_dxcluster_maxage_changed_to']='Maximum age of spots changed to ';
 $lang['options_dxcluster_decont_changed_to']='de continent changed to ';
 $lang['options_dxcluster_decont_hint']='Only spots by spotters from this continent are shown';
 
-$lang['options_save'] = 'Save';
+$lang['options_save'] = '保存';
 
 // Bands
 
-$lang['options_bands'] = "Bands";
-$lang['options_bands_text_ln1'] = "Using the band list you can control which bands are shown when creating a new QSO.";
-$lang['options_bands_text_ln2'] = "Active bands will be shown in the QSO 'Band' drop-down, while inactive bands will be hidden and cannot be selected.";
-$lang['options_bands_create'] = "Create a band";
-$lang['options_bands_edit'] = "Edit Band";
-$lang['options_bands_activate_all'] = "Activate All";
-$lang['options_bands_activateall_warning'] = "Warning! Are you sure you want to activate all bands?";
-$lang['options_bands_deactivate_all'] = "Deactivate All";
-$lang['options_bands_deactivateall_warning'] = "Warning! Are you sure you want to deactivate all bands?";
-$lang['options_bands_ssb_qrg'] = "SSB QRG";
-$lang['options_bands_ssb_qrg_hint'] = "Frequency for SSB QRG in band (must be in Hz)";
-$lang['options_bands_data_qrg'] = "DATA QRG";
-$lang['options_bands_data_qrg_hint'] = "Frequency for DATA QRG in band (must be in Hz)";
-$lang['options_bands_cw_qrg'] = "CW QRG";
-$lang['options_bands_cw_qrg_hint'] = "Frequency for CW QRG in band (must be in Hz)";
+$lang['options_bands'] = "波段";
+$lang['options_bands_text_ln1'] = "使用波段列表，您可以控制创建新 QSO 时显示哪些波段。";
+$lang['options_bands_text_ln2'] = "启用的波段将显示在 QSO“波段”下拉列表中，而停用的频段将被隐藏且无法选择。";
+$lang['options_bands_create'] = "创建波段";
+$lang['options_bands_edit'] = "编辑波段";
+$lang['options_bands_activate_all'] = "启用所有";
+$lang['options_bands_activateall_warning'] = "警告！你要启用所有波段吗？";
+$lang['options_bands_deactivate_all'] = "停用所有";
+$lang['options_bands_deactivateall_warning'] = "警告！你要停用所有波段吗？";
+$lang['options_bands_ssb_qrg'] = "SSB 频率";
+$lang['options_bands_ssb_qrg_hint'] = "波段中 SSB 的频率（以Hz为单位）";
+$lang['options_bands_data_qrg'] = "DATA 频率";
+$lang['options_bands_data_qrg_hint'] = "波段中 DATA 的频率（以Hz为单位）";
+$lang['options_bands_cw_qrg'] = "CW 频率";
+$lang['options_bands_cw_qrg_hint'] = "波段中 CW 的频率（以Hz为单位）";
 
-$lang['options_bands_name_band'] = "Name of Band (E.g. 20m)";
-$lang['options_bands_name_bandgroup'] = "Name of bandgroup (E.g. hf, vhf, uhf, shf)";
-$lang['options_bands_delete_warning'] = "Warning! Are you sure you want to delete the following band: ";
+$lang['options_bands_name_band'] = "波段名称（例如：20m）";
+$lang['options_bands_name_bandgroup'] = "频段名称（例如：HF、VHF、UHF、SHF）";
+$lang['options_bands_delete_warning'] = "警告！ 您确定要删除以下波段：";
 
diff --git a/application/language/chinese_simplified/qslcard_lang.php b/application/language/chinese_simplified/qslcard_lang.php
index 8b4d2a03..02be724b 100644
--- a/application/language/chinese_simplified/qslcard_lang.php
+++ b/application/language/chinese_simplified/qslcard_lang.php
@@ -12,7 +12,7 @@ $lang['qslcard_sent_bureau'] = 'QSL 卡片已由卡片局发出';
 $lang['qslcard_sent_direct'] = 'QSL 卡片已直邮发出';
 $lang['qslcard_sent_electronic'] = 'QSL 卡片已经发送电子版';
 $lang['qslcard_sent_manager'] = 'QSL 卡片已经由卡片管理员发出';
-$lang['qslcard_rcvd'] = 'QSL Card has been received';
+$lang['qslcard_rcvd'] = 'QSL Card 已被接收';
 $lang['qslcard_rcvd_bureau'] = 'QSL 卡片已由卡片局接收';
 $lang['qslcard_rcvd_direct'] = 'QSL 卡片已直邮接收';
 $lang['qslcard_rcvd_electronic'] = 'QSL 卡片已经接收电子版';
diff --git a/application/language/chinese_simplified/qso_lang.php b/application/language/chinese_simplified/qso_lang.php
index a850aab3..a22c5aa9 100644
--- a/application/language/chinese_simplified/qso_lang.php
+++ b/application/language/chinese_simplified/qso_lang.php
@@ -28,14 +28,14 @@ $lang['qsl_notes_helptext'] = '此笔记内容被导出到QSL服务，如 eqsl.c
 $lang['qso_btn_reset_qso'] = '重置';
 $lang['qso_btn_save_qso'] = '保存 QSO';
 $lang['qso_btn_edit_qso'] = '编辑 QSO';
-$lang['qso_delete_warning'] = "Warning! Are you sure you want delete QSO with ";
+$lang['qso_delete_warning'] = "警告！您确定要删除 QSO 与 ";
 
 // QSO Details
 
 $lang['qso_details'] = 'QSO 详情';
 
-$lang['fav_add'] = 'Add Band/Mode to Favs';
-$lang['qso_operator_callsign'] = 'Operator Callsign';
+$lang['fav_add'] = '添加 模式/频段 到收藏';
+$lang['qso_operator_callsign'] = '操作员呼号';
 
 // Simple FLE (FastLogEntry)