diff --git a/application/language/chinese_simplified/account_lang.php b/application/language/chinese_simplified/account_lang.php
new file mode 100644
index 00000000..98c95c79
--- /dev/null
+++ b/application/language/chinese_simplified/account_lang.php
@@ -0,0 +1,10 @@
+<?php
+
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+$lang['account_logbook_fields'] = '日志簿字段';
+$lang['account_column1_text'] = '选择第1列';
+$lang['account_column2_text'] = '选择第2列';
+$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）';
diff --git a/application/language/chinese_simplified/contesting_lang.php b/application/language/chinese_simplified/contesting_lang.php
new file mode 100644
index 00000000..3154f7fb
--- /dev/null
+++ b/application/language/chinese_simplified/contesting_lang.php
@@ -0,0 +1,18 @@
+<?php
+
+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';
+
+$lang['contesting_exchange_type'] = '信号交换类型';
+$lang['contesting_exchange_type_serial'] = '序列编号';
+$lang['contesting_exchange_type_other'] = '其他';
+
+$lang['contesting_contest_name'] = '竞赛名称';
+
+$lang['contesting_btn_reset_qso'] = '重置 QSO';
+$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';
\ No newline at end of file
diff --git a/application/language/chinese_simplified/general_words_lang.php b/application/language/chinese_simplified/general_words_lang.php
new file mode 100644
index 00000000..c69c9942
--- /dev/null
+++ b/application/language/chinese_simplified/general_words_lang.php
@@ -0,0 +1,111 @@
+<?php
+
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+$lang['error_no_active_station_profile'] = '注意：你需要设置一个活动的台站地址。';
+
+$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_info'] = '消息';
+$lang['general_word_choose_file'] = '选择文件';
+
+$lang['general_word_date'] = '日期';
+$lang['general_word_time'] = '时间';
+$lang['general_word_datetime'] = '日期/时间';
+$lang['general_word_none'] = '无';
+$lang['general_word_name'] = '名称';
+$lang['general_word_location'] = '位置';
+$lang['general_word_comment'] = '备注';
+$lang['general_word_general'] = '通用';
+$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_total'] = '总计';
+$lang['general_word_year'] = '年';
+$lang['general_word_month'] = '月';
+
+$lang['general_word_worked'] = '已通联';
+$lang['general_word_confirmed'] = '已确认';
+$lang['general_word_needed'] = '待通联';
+
+$lang['general_word_no'] = '否';
+$lang['general_word_yes'] = '是';
+$lang['general_word_method'] = '方法';
+
+$lang['general_word_sent'] = '已发送';
+$lang['general_word_received'] = '已收到';
+$lang['general_word_requested'] = '已请求';
+$lang['general_word_qslcard'] = 'QSL 卡片';
+$lang['general_word_qslcard_management'] = 'QSL 管理';
+$lang['general_word_qslcards'] = 'QSL 卡片';
+$lang['general_word_qslcard_direct'] = '直邮';
+$lang['general_word_qslcard_bureau'] = '卡片局';
+$lang['general_word_qslcard_via'] = '通过';
+
+$lang['general_edit_qso'] = '编辑 QSO';
+$lang['general_mark_qsl_rx_bureau'] = '标记 已收到的QSL (卡片局)';
+$lang['general_mark_qsl_rx_direct'] = '标记 已收到的QSL (直邮)';
+
+$lang['general_delete_qso'] = '删除 QSO';
+
+$lang['general_total_distance'] = '总计距离';
+
+// Cloudlog Terms
+$lang['cloudlog_station_profile'] = '台站地址';
+
+// ham radio terms
+$lang['gen_hamradio_qso'] = 'QSO';
+$lang['gen_hamradio_station'] = '台站';
+
+$lang['gen_hamradio_call'] = '呼号';
+$lang['gen_hamradio_callsign'] = '呼号';
+$lang['gen_hamradio_mode'] = '模式';
+$lang['gen_hamradio_rst_sent'] = '发';
+$lang['gen_hamradio_rst_recv'] = '收';
+$lang['gen_hamradio_band'] = '频段';
+$lang['gen_hamradio_band_rx'] = '频段 (RX)';
+$lang['gen_hamradio_frequency'] = '频率';
+$lang['gen_hamradio_frequency_rx'] = '频率 (RX)';
+$lang['gen_hamradio_radio'] = '电台';
+$lang['gen_hamradio_rsts'] = '信号报告 (发)';
+$lang['gen_hamradio_rstr'] = '信号报告 (收)';
+$lang['gen_hamradio_exchange_sent_short'] = '信号交换 (发)';
+$lang['gen_hamradio_exchange_recv_short'] = '信号交换 (收)';
+$lang['gen_hamradio_qsl'] = 'QSL';
+$lang['gen_hamradio_locator'] = '定位器';
+$lang['gen_hamradio_transmit_power'] = '发射功率 (W)';
+$lang['gen_hamradio_propagation_mode'] = '传播模式';
+
+$lang['gen_hamradio_satellite_name'] = '卫星名称';
+$lang['gen_hamradio_satellite_mode'] = '卫星模式';
+
+$lang['gen_hamradio_logbook'] = '日志簿';
+
+$lang['gen_hamradio_cq_zone'] = 'CQ 分区';
+$lang['gen_hamradio_dxcc'] = 'DXCC';
+$lang['gen_hamradio_usa_state'] = '州（美国）';
+$lang['gen_hamradio_county_reference'] = '县（美国）';
+$lang['gen_hamradio_iota_reference'] = 'IOTA 参考';
+$lang['gen_hamradio_sota_reference'] = 'SOTA 参考';
+$lang['gen_hamradio_wwff_reference'] = 'WWFF 参考';
+$lang['gen_hamradio_dok'] = 'DOK';
+$lang['gen_hamradio_state'] = '州';
+$lang['gen_hamradio_iota'] = 'IOTA';
+$lang['gen_hamradio_sota'] = 'SOTA';
+$lang['gen_hamradio_gridsquare'] = '网格';
+
+$lang['gen_hamradio_sig'] = 'Sig';
+$lang['gen_hamradio_sig_info'] = 'Sig 属性';
+
+// Dashboard Words
+$lang['dashboard_you_have_had'] = '今天你有';
+$lang['dashboard_qsos_today'] = '个 QSO!';
+$lang['dashboard_qso_breakdown'] = 'QSO 分解';
+$lang['dashboard_countries_breakdown'] = 'DXCC 实体分解';
+
+$lang['gen_from_date'] = '起始日期';
+
+$lang['gen_this_qso_was_confirmed_on'] = '该 QSO 确认于';
diff --git a/application/language/chinese_simplified/index.html b/application/language/chinese_simplified/index.html
new file mode 100644
index 00000000..c942a79c
--- /dev/null
+++ b/application/language/chinese_simplified/index.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+	<title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html>
\ No newline at end of file
diff --git a/application/language/chinese_simplified/lotw_lang.php b/application/language/chinese_simplified/lotw_lang.php
new file mode 100644
index 00000000..c6f2dc83
--- /dev/null
+++ b/application/language/chinese_simplified/lotw_lang.php
@@ -0,0 +1,52 @@
+<?php
+
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+$lang['lotw_short'] = 'LoTW';
+$lang['lotw_title'] = 'Logbook of the World';
+$lang['lotw_title_available_cert'] = '可用证书';
+$lang['lotw_title_information'] = '信息';
+$lang['lotw_title_upload_p12_cert'] = '上传 LoTW .p12 证书';
+$lang['lotw_title_export_p12_file_instruction'] = '导出 .p12 文件流程';
+$lang['lotw_title_adif_import'] = 'ADIF 导入';
+$lang['lotw_title_adif_import_options'] = '导入选项';
+
+$lang['lotw_beta_warning'] = '请明确 LoTW 同步处于 BETA 测试阶段, 查看 wiki 寻求帮助。';
+$lang['lotw_no_certs_uploaded'] = '你需要上传 LoTW p12 证书以使用该功能。';
+
+$lang['lotw_date_created'] = '创建日期';
+$lang['lotw_date_expires'] = '过期日期';
+$lang['lotw_status'] = '状态';
+$lang['lotw_options'] = '选项';
+$lang['lotw_valid'] = '有效';
+$lang['lotw_expired'] = '过期';
+$lang['lotw_not_synced'] = '未同步';
+
+$lang['lotw_certificate_dxcc'] = '证书 DXCC';
+$lang['lotw_certificate_dxcc_help_text'] = '证书的 DXCC 实体。例如: Scotland';
+
+$lang['lotw_input_a_file'] = '上传文件';
+
+$lang['lotw_upload_exported_adif_file_from_lotw'] = '下载从 LoTW <a href="https://p1k.arrl.org/lotwuser/qsos?qsoscmd=adif" target="_blank">Download Report</a> 中导出的 ADIF 文件，以标记这些 QSO 在 LoTW上已得到确认。';
+$lang['lotw_upload_type_must_be_adi'] = '日志文件的类型必须为 .adi';
+
+$lang['lotw_pull_lotw_data_for_me'] = '为我拉取 LoTW 数据';
+$lang['lotw_import_missing_qsos_text'] = '从日志中导入缺失的 QSO。为了导入 QSO， 呼号和网格将会被用来查找正确的属性。 如果没有找到，该 QSO 将被跳过。';
+
+$lang['lotw_report_download_overview_helptext'] ='Cloudlog 将会使用储存在你个人用户信息当中的 LoTW 用户名和密码从 LoTW 上为你下载报告。Cloudlog 下载的这份报告将会包括自你所选之日以来的或者你最后的 LoTW 确认信息（目前日志当中）以来的所有确认。';
+
+// Buttons
+$lang['lotw_btn_lotw_import'] = 'LoTW 导入';
+$lang['lotw_btn_upload_certificate'] = '上传证书';
+$lang['lotw_btn_delete'] = '删除';
+$lang['lotw_btn_manual_sync'] = '手动同步';
+$lang['lotw_btn_upload_file'] = '上传文件';
+$lang['lotw_btn_import_matches'] = '导入 LoTW 匹配';
+
+// P12 Export Text
+$lang['lotw_p12_export_step_one'] = '打开 TQSL &amp; 选择 Callsign Certificates 标签';
+$lang['lotw_p12_export_step_two'] = '右键选择目标呼号';
+$lang['lotw_p12_export_step_three'] = '单击 "Save Callsign Certificate File" 并不要指定密码';
+$lang['lotw_p12_export_step_four'] = '在下方上传文件。';
+
+$lang['lotw_confirmed'] = '该 QSO 已在 LoTW 确认';
diff --git a/application/language/chinese_simplified/notes_lang.php b/application/language/chinese_simplified/notes_lang.php
new file mode 100644
index 00000000..194a6a26
--- /dev/null
+++ b/application/language/chinese_simplified/notes_lang.php
@@ -0,0 +1,23 @@
+<?php
+
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+$lang['notes_menu_notes'] = '笔记';
+$lang['notes_edit_note'] = '编辑笔记';
+$lang['notes_your_notes'] = '你的笔记';
+
+$lang['notes_welcome'] = "你目前没有任何笔记，这里特别适合用来储存一些诸如 ATU 设置，信标和通用电台笔记等信息。同时，他们不会像纸片那样容易丢失。";
+
+$lang['notes_create_note'] = '创建笔记';
+
+$lang['notes_input_title'] = '标题';
+$lang['notes_input_category'] = '分类';
+$lang['notes_input_notes_content'] = '笔记内容';
+$lang['notes_input_btn_save_note'] = '保存笔记';
+$lang['notes_input_btn_edit_note'] = '编辑笔记';
+$lang['notes_input_btn_delete_note'] = '删除笔记';
+
+$lang['notes_selection_general'] = '通用';
+$lang['notes_selection_antennas'] = '天线';
+$lang['notes_selection_satellites'] = '卫星';
+
diff --git a/application/language/chinese_simplified/qslcard_lang.php b/application/language/chinese_simplified/qslcard_lang.php
new file mode 100644
index 00000000..d6bb8498
--- /dev/null
+++ b/application/language/chinese_simplified/qslcard_lang.php
@@ -0,0 +1,18 @@
+<?php
+
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+// Tiles
+$lang['qslcard_string_your_are_using'] = '你已经用了';
+$lang['qslcard_string_disk_space'] = '的磁盘空间保存 QSL 卡片资源';
+
+$lang['qslcard_info'] = 'QSL 信息';
+$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_recv_bureau'] = 'QSL 卡片已由卡片局接收';
+$lang['qslcard_recv_direct'] = 'QSL 卡片已直邮接收';
+
+$lang['qslcard_upload_front'] = '上传 QSL 卡片正面图像';
+$lang['qslcard_upload_back'] = '上传 QSL 卡片背面图像';
+
+$lang['qslcard_upload_button'] = '上传 QSL 卡片图像';
diff --git a/application/language/chinese_simplified/qso_lang.php b/application/language/chinese_simplified/qso_lang.php
new file mode 100644
index 00000000..e19987ec
--- /dev/null
+++ b/application/language/chinese_simplified/qso_lang.php
@@ -0,0 +1,30 @@
+<?php
+
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+// Tiles
+$lang['qso_title_qso_map'] = 'QSO 地图';
+$lang['qso_title_suggestions'] = '建议';
+$lang['qso_title_pervious_contacts'] = '先前通联';
+
+// Input Help Text on the /QSO Display
+$lang['qso_transmit_power_helptext'] = '以瓦特为单位设置功率值。在输入中仅填写数值。';
+
+$lang['qso_sota_ref_helptext'] = '例如: GM/NS-001.';
+
+$lang['qso_sig_helptext'] = '例如: WWFF or POTA';
+$lang['qso_sig_info_helptext'] = '例如: DLFF-0029';
+
+$lang['qso_dok_helptext'] = '例如: Q03';
+
+$lang['qso_notes_helptext'] = '仅在 Cloudlog 使用而不上传到其他的服务的笔记。';
+
+// Button Text on /qso Display
+
+$lang['qso_btn_reset_qso'] = '重置';
+$lang['qso_btn_save_qso'] = '保存 QSO';
+$lang['qso_btn_edit_qso'] = '编辑 QSO';
+
+// QSO Details
+
+$lang['qso_details'] = 'QSO 详情';