diff --git a/application/language/zh-Hans/common_lang.php b/application/language/zh-Hans/common_lang.php
index 93b0836ef..bd4efedd7 100644
--- a/application/language/zh-Hans/common_lang.php
+++ b/application/language/zh-Hans/common_lang.php
@@ -2,68 +2,68 @@
 $lang["common_address_1"] = "地址 1";
 $lang["common_address_2"] = "地址 2";
 $lang["common_city"] = "城市";
-$lang["common_close"] = "Close";
-$lang["common_comments"] = "評論";
+$lang["common_close"] = "关闭";
+$lang["common_comments"] = "备注";
 $lang["common_common"] = "一般";
-$lang["common_confirm_search"] = "您已經選擇一行或多行，在搜索後這些紀錄將不能再被選取。您確定要提交這個搜索？";
+$lang["common_confirm_search"] = "你已经选择了 一行或多行，之后的搜索结果不再被选取。你确定要提交本次搜索吗？";
 $lang["common_correct_errors"] = "信息有误，请修正后保存";
-$lang["common_country"] = "國家";
-$lang["common_date"] = "Date";
+$lang["common_country"] = "国家";
+$lang["common_date"] = "日期";
 $lang["common_delete"] = "刪除";
 $lang["common_det"] = "更多";
-$lang["common_download_import_template"] = "Download Import CSV Template (CSV)";
-$lang["common_edit"] = "編輯";
-$lang["common_email"] = "郵箱";
-$lang["common_email_invalid_format"] = "Email格式錯誤";
-$lang["common_export_csv"] = "CSV Export";
-$lang["common_export_csv_no"] = "No";
-$lang["common_export_csv_yes"] = "Yes";
-$lang["common_fields_required_message"] = "紅色欄位為必填";
+$lang["common_download_import_template"] = "下载CSV模板（CSV）";
+$lang["common_edit"] = "编辑";
+$lang["common_email"] = "邮箱";
+$lang["common_email_invalid_format"] = "Email格式错误。";
+$lang["common_export_csv"] = "CSV 导出";
+$lang["common_export_csv_no"] = "否";
+$lang["common_export_csv_yes"] = "是";
+$lang["common_fields_required_message"] = "红色栏位是必填项";
 $lang["common_first_name"] = "名";
-$lang["common_first_name_required"] = "名為必填";
-$lang["common_first_page"] = "First";
-$lang["common_gender"] = "Gender";
-$lang["common_gender_female"] = "V";
-$lang["common_gender_male"] = "M";
+$lang["common_first_name_required"] = "名为必填项。";
+$lang["common_first_page"] = "首页";
+$lang["common_gender"] = "性别";
+$lang["common_gender_female"] = "女";
+$lang["common_gender_male"] = "男";
 $lang["common_id"] = "Id";
 $lang["common_import"] = "Import";
-$lang["common_import_change_file"] = "Change";
-$lang["common_import_csv"] = "CSV Import";
-$lang["common_import_full_path"] = "Full path to csv file required";
-$lang["common_import_remove_file"] = "Remove";
-$lang["common_import_select_file"] = "Select file";
-$lang["common_inv"] = "庫存";
+$lang["common_import_change_file"] = "更改";
+$lang["common_import_csv"] = "CSV 导入";
+$lang["common_import_full_path"] = "需要CSV文件的完整路径";
+$lang["common_import_remove_file"] = "删除";
+$lang["common_import_select_file"] = "选择文件";
+$lang["common_inv"] = "库存";
 $lang["common_last_name"] = "姓";
-$lang["common_last_name_required"] = "姓氏為必填";
-$lang["common_last_page"] = "Last";
-$lang["common_learn_about_project"] = "了解系統開展進度";
+$lang["common_last_name_required"] = "姓氏为必填项。";
+$lang["common_last_page"] = "尾页";
+$lang["common_learn_about_project"] = "了解项目最新进度。";
 $lang["common_list_of"] = "列表";
 $lang["common_logout"] = "登出";
 $lang["common_migration_needed"] = "登录后，数据库将会迁移到%1。";
-$lang["common_new"] = "New";
-$lang["common_no_persons_to_display"] = "沒有使用者資料可以顯示";
-$lang["common_none_selected_text"] = "请选择";
+$lang["common_new"] = "新建";
+$lang["common_no_persons_to_display"] = "沒有使用者资料可以展示。";
+$lang["common_none_selected_text"] = "【请选择】";
 $lang["common_or"] = "或";
-$lang["common_phone_number"] = "電話";
+$lang["common_phone_number"] = "电话号码";
 $lang["common_phone_number_required"] = "";
-$lang["common_please_visit_my"] = "請造訪";
-$lang["common_powered_by"] = "Powered by";
-$lang["common_price"] = "價值";
-$lang["common_print"] = "Print";
+$lang["common_please_visit_my"] = "请造访";
+$lang["common_powered_by"] = "供应";
+$lang["common_price"] = "价格";
+$lang["common_print"] = "打印";
 $lang["common_remove"] = "移除";
-$lang["common_required"] = "Required";
+$lang["common_required"] = "需要";
 $lang["common_restore"] = "恢复";
-$lang["common_return_policy"] = "退貨政策";
-$lang["common_search"] = "搜尋";
-$lang["common_search_options"] = "Search options";
+$lang["common_return_policy"] = "退货政策";
+$lang["common_search"] = "搜索";
+$lang["common_search_options"] = "搜索选项";
 $lang["common_searched_for"] = "查找";
-$lang["common_state"] = "州";
-$lang["common_submit"] = "送出";
+$lang["common_state"] = "省";
+$lang["common_submit"] = "提交";
 $lang["common_total_spent"] = "总支出";
 $lang["common_unknown"] = "未知";
-$lang["common_view_recent_sales"] = "最新的消售資訊";
-$lang["common_website"] = "網站";
-$lang["common_welcome"] = "歡迎";
-$lang["common_welcome_message"] = "歡迎使用OSPOS，請點擊下面的模組以開始使用！";
+$lang["common_view_recent_sales"] = "查看最近的销售情况";
+$lang["common_website"] = "网站";
+$lang["common_welcome"] = "欢迎";
+$lang["common_welcome_message"] = "欢迎使用OSPOS，请点击下面的模块开始使用。";
 $lang["common_you_are_using_ospos"] = "您正在使用 Open Source Point Of Sale 版本";
-$lang["common_zip"] = "郵遞區號";
+$lang["common_zip"] = "邮政编码";