diff --git a/messages/de-DE.json b/messages/de-DE.json
index 4e13c80..46363d5 100644
--- a/messages/de-DE.json
+++ b/messages/de-DE.json
@@ -294,9 +294,12 @@
     "title": "Einstellungen"
   },
   "Locale": {
-    "en-US": "Englisch",
+    "en-US": "English",
+    "fi": "Suomi",
+    "fr-FR": "Français",
+    "es": "Español",
     "de-DE": "Deutsch",
-    "fi": "Finnisch"
+    "zh-CN": "Chinese (Simplified)"
   },
   "Share": {
     "title": "Teilen",
diff --git a/messages/en-US.json b/messages/en-US.json
index 8a7d5cd..11d9154 100644
--- a/messages/en-US.json
+++ b/messages/en-US.json
@@ -298,7 +298,8 @@
     "fi": "Suomi",
     "fr-FR": "Français",
     "es": "Español",
-    "de-DE": "Deutsch"
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)"
   },
   "Share": {
     "title": "Share",
diff --git a/messages/es.json b/messages/es.json
index e2422f2..2198769 100644
--- a/messages/es.json
+++ b/messages/es.json
@@ -298,7 +298,8 @@
     "fi": "Suomi",
     "fr-FR": "Français",
     "es": "Español",
-    "de-DE": "Deutsch"
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)"
   },
   "Share": {
     "title": "Compartir",
diff --git a/messages/fi.json b/messages/fi.json
index 6b4784f..2e5c585 100644
--- a/messages/fi.json
+++ b/messages/fi.json
@@ -298,7 +298,8 @@
     "fi": "Suomi",
     "fr-FR": "Français",
     "es": "Español",
-    "de-DE": "Deutsch"
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)"
   },
   "Share": {
     "title": "Jaa",
diff --git a/messages/fr-FR.json b/messages/fr-FR.json
index 078c6f3..26a6872 100644
--- a/messages/fr-FR.json
+++ b/messages/fr-FR.json
@@ -297,7 +297,9 @@
     "en-US": "English",
     "fi": "Suomi",
     "fr-FR": "Français",
-    "es": "Español"
+    "es": "Español",
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)"
   },
   "Share": {
     "title": "Partager",
diff --git a/messages/zh-CN.json b/messages/zh-CN.json
new file mode 100644
index 0000000..a1b2a56
--- /dev/null
+++ b/messages/zh-CN.json
@@ -0,0 +1,395 @@
+{
+  "Homepage": {
+    "title": "与<strong>朋友和家人</strong>共享<strong>开支</strong>",
+    "description": "欢迎使用你的全新<strong>Spliit</strong>实例！",
+    "button": {
+      "groups": "前往群组",
+      "github": "GitHub"
+    }
+  },
+  "Header": {
+    "groups": "群组"
+  },
+  "Footer": {
+    "madeIn": "Made in Montréal, Québec 🇨🇦",
+    "builtBy": "由 <author>Sebastien Castiel</author> 以及 <source>社区贡献者们</source> 共同构建"
+  },
+  "Expenses": {
+    "title": "消费",
+    "description": "这里有你为你的群组创建的消费。",
+    "create": "创建消费",
+    "createFirst": "创建首个消费",
+    "noExpenses": "你的群组内目前没有任何消费。",
+    "exportJson": "导出到JSON",
+    "searchPlaceholder": "查找消费……",
+    "ActiveUserModal": {
+      "title": "你是哪位？",
+      "description": "告诉我们你在群组中的身份，以便定制你的信息呈现方式。",
+      "nobody": "我不想选择任何人",
+      "save": "保存变更",
+      "footer": "此项设定之后可以在群组设定中修改。"
+    },
+    "Groups": {
+      "upcoming": "即将到来",
+      "thisWeek": "本周",
+      "earlierThisMonth": "本月早些时候",
+      "lastMonth": "上个月",
+      "earlierThisYear": "本年早些时候",
+      "lastYera": "去年",
+      "older": "更早"
+    }
+  },
+  "ExpenseCard": {
+    "paidBy": "<strong>{paidBy}</strong> 为 <paidFor></paidFor> 支付。",
+    "receivedBy": "<strong>{paidBy}</strong> 为 <paidFor></paidFor> 接收。",
+    "yourBalance": "你的余额："
+  },
+  "Groups": {
+    "myGroups": "我的群组",
+    "create": "创建",
+    "loadingRecent": "加载最近的群组……",
+    "NoRecent": {
+      "description": "你最近没有访问任何群组。",
+      "create": "创建一个群组",
+      "orAsk": "或者让你的朋友发给你现有群组的链接。"
+    },
+    "recent": "最近的群组",
+    "starred": "已收藏的群组",
+    "archived": "已归档的群组",
+    "archive": "归档群组",
+    "unarchive": "取消归档群组",
+    "removeRecent": "从最近的群组中删除",
+    "RecentRemovedToast": {
+      "title": "群组已删除",
+      "description": "群组已从你的最近群组列表中删除。",
+      "undoAlt": "撤销群组删除",
+      "undo": "撤销"
+    },
+    "AddByURL": {
+      "button": "使用URL添加",
+      "title": "使用URL添加一个群组",
+      "description": "如果你被分享了一个群组，你可以将群组的URL粘贴到这里以添加这个群组。",
+      "error": "哎呀，我们没办法根据你的URL找到相应的群组……"
+    },
+    "NotFound": {
+      "text": "该群组不存在。",
+      "link": "跳转到最近访问过的群组"
+    }
+  },
+  "GroupForm": {
+    "title": "群组信息",
+    "NameField": {
+      "label": "群组名",
+      "placeholder": "暑假",
+      "description": "为你的群组输入一个名字。"
+    },
+    "InformationField": {
+      "label": "群组信息",
+      "placeholder": "哪些信息与群组成员有关？"
+    },
+    "CurrencyField": {
+      "label": "货币标志",
+      "placeholder": "$, €, £…",
+      "description": "我们根据这个显示相应的货币金额。"
+    },
+    "Participants": {
+      "title": "群组成员",
+      "description": "输入每位成员的名字。",
+      "protectedParticipant": "群组成员是消费的一部分，不可删除。",
+      "new": "新建",
+      "add": "添加群组成员",
+      "John": "John",
+      "Jane": "Jane",
+      "Jack": "Jack"
+    },
+    "Settings": {
+      "title": "本地设定",
+      "description": "这些设定是按设备设定的，用于定制你的使用体验。",
+      "ActiveUserField": {
+        "label": "当前用户",
+        "placeholder": "选择一个群组成员",
+        "none": "无",
+        "description": "用于支付消费的默认用户。"
+      },
+      "save": "保存",
+      "saving": "保存中……",
+      "create": "创建",
+      "creating": "创建中",
+      "cancel": "取消"
+    }
+  },
+  "ExpenseForm": {
+    "Income": {
+      "create": "创建收入",
+      "edit": "编辑收入",
+      "TitleField": {
+        "label": "收入标题",
+        "placeholder": "周一晚上的餐厅",
+        "description": "描述这个收入。"
+      },
+      "DateField": {
+        "label": "收入日期",
+        "description": "输入收到这笔收入的日期。"
+      },
+      "categoryFieldDescription": "选择收入类别。",
+      "paidByField": {
+        "label": "接收到",
+        "description": "选择接收到这笔收入的群组成员。"
+      },
+      "paidFor": {
+        "title": "接收给",
+        "description": "选择收入是为谁而收。"
+      },
+      "splitModeDescription": "选择如何划分这笔收入。",
+      "attachDescription": "查看并为这笔收入附加收据。"
+    },
+    "Expense": {
+      "create": "创建消费",
+      "edit": "编辑消费",
+      "TitleField": {
+        "label": "消费标题",
+        "placeholder": "周一晚上的餐厅",
+        "description": "描述这个消费。"
+      },
+      "DateField": {
+        "label": "消费日期",
+        "description": "输入支付这笔消费的日期。"
+      },
+      "categoryFieldDescription": "选择消费类别。",
+      "paidByField": {
+        "label": "支付自",
+        "description": "选择支付这笔消费的群组成员。"
+      },
+      "paidFor": {
+        "title": "支付给",
+        "description": "选择消费是为谁而支出。"
+      },
+      "splitModeDescription": "选择如何划分这笔消费。",
+      "attachDescription": "查看并为这笔消费附加收据。"
+    },
+    "amountField": {
+      "label": "金额"
+    },
+    "isReimbursementField": {
+      "label": "这是一笔报销款"
+    },
+    "categoryField": {
+      "label": "类别"
+    },
+    "notesField": {
+      "label": "附注"
+    },
+    "selectNone": "取消选中",
+    "selectAll": "全选",
+    "shares": "份额",
+    "advancedOptions": "高级分账选项……",
+    "SplitModeField": {
+      "label": "分账模式",
+      "evenly": "平均分配",
+      "byShares": "按份额分配",
+      "byPercentage": "按百分比分配",
+      "byAmount": "按金额分配",
+      "saveAsDefault": "保存为默认分账设置"
+    },
+    "DeletePopup": {
+      "label": "删除",
+      "title": "要删除这项消费吗？",
+      "description": "你真的确定要删除这项消费吗？此行动不可撤销。",
+      "yes": "确定",
+      "cancel": "取消"
+    },
+    "attachDocuments": "附加文档",
+    "create": "创建",
+    "creating": "创建中……",
+    "save": "保存",
+    "saving": "保存中……",
+    "cancel": "取消"
+  },
+  "ExpenseDocumentsInput": {
+    "TooBigToast": {
+      "title": "文件过大",
+      "description": "可上传的最大文件大小为{maxSize}，你的文件为${size}。"
+    },
+    "ErrorToast": {
+      "title": "上传文档时发生错误",
+      "description": "上传文档时发生了一些错误。请稍后重试或更换文件。",
+      "retry": "重试"
+    }
+  },
+  "CreateFromReceipt": {
+    "Dialog": {
+      "triggerTitle": "从收据中创建消费",
+      "title": "从收据中创建",
+      "description": "从收据照片上提取消费信息。",
+      "body": "上传收据的图片，我们会尽可能地从中扫描出消费信息。",
+      "selectImage": "选择图片……",
+      "titleLabel": "标题：",
+      "categoryLabel": "类别：",
+      "amountLabel": "金额：",
+      "dateLabel": "日期：",
+      "editNext": "你之后可以修改消费的信息。",
+      "continue": "继续"
+    },
+    "unknown": "未知",
+    "TooBigToast": {
+      "title": "文件过大",
+      "description": "可上传的最大文件大小为{maxSize}，你的文件为${size}。"
+    },
+    "ErrorToast": {
+      "title": "上传文档时发生错误",
+      "description": "上传文档时发生了一些错误。请稍后重试或更换文件。",
+      "retry": "重试"
+    }
+  },
+  "Balances": {
+    "title": "余额",
+    "description": "这是每位群组成员支付或被支付的金额。",
+    "Reimbursements": {
+      "title": "建议报销",
+      "description": "这里是优化群组成员之间报销的建议。",
+      "noImbursements": "看起来你的群组不需要任何报销😁",
+      "owes": "<strong>{from}</strong> 欠 <strong>{to}</strong>",
+      "markAsPaid": "标记为已支付"
+    }
+  },
+  "Stats": {
+    "title": "统计",
+    "Totals": {
+      "title": "总计",
+      "description": "整个群组的花费合计。",
+      "groupSpendings": "群组总计开销",
+      "groupEarnings": "群组总计收入",
+      "yourSpendings": "你的总计开销",
+      "yourEarnings": "你的总计收入",
+      "yourShare": "你的总计份额"
+    }
+  },
+  "Activity": {
+    "title": "活动",
+    "description": "该群组所有活动总览",
+    "noActivity": "你的群组目前没有任何活动。",
+    "someone": "某人",
+    "settingsModified": "群组设定已被<strong>{participant}</strong>更改。",
+    "expenseCreated": "消费 <em>{expense}</em> 由 <strong>{participant}</strong> 创建。",
+    "expenseUpdated": "消费 <em>{expense}</em> 由 <strong>{participant}</strong> 更新。",
+    "expenseDeleted": "消费 <em>{expense}</em> 由 <strong>{participant}</strong> 删除。",
+    "Groups": {
+      "today": "今天",
+      "yesterday": "昨天",
+      "earlierThisWeek": "这周早些时候",
+      "lastWeek": "上周",
+      "earlierThisMonth": "这月早些时候",
+      "lastMonth": "上月",
+      "earlierThisYear": "这年早些时候",
+      "lastYear": "上年",
+      "older": "更早"
+    }
+  },
+  "Information": {
+    "title": "信息",
+    "description": "使用此处以添加与群组成员相关的任何信息。",
+    "empty": "当前没有群组信息。"
+  },
+  "Settings": {
+    "title": "设定"
+  },
+  "Locale": {
+    "en-US": "English",
+    "fi": "Suomi",
+    "fr-FR": "Français",
+    "es": "Español",
+    "de-DE": "Deutsch",
+    "zh-CN": "Chinese (Simplified)"
+  },
+  "Share": {
+    "title": "分享",
+    "description": "请将此URL分享给其他群组成员，以使其可以查看群组并添加消费。",
+    "warning": "警告！",
+    "warningHelp": "任何持有群组URL的个体都有能够查看并编辑消费。请谨慎分享！"
+  },
+  "SchemaErrors": {
+    "min1": "输入至少1个字符。",
+    "min2": "输入至少2个字符。",
+    "max5": "输入至少5个字符。",
+    "max50": "输入至少50个字符。",
+    "duplicateParticipantName": "此名字已被另一位群组成员占用。",
+    "titleRequired": "请输入标题。",
+    "invalidNumber": "无效数值。",
+    "amountRequired": "你必须输入一个金额。",
+    "amountNotZero": "金额不可以为0。",
+    "amountTenMillion": "金额必须小于10,000,000。",
+    "paidByRequired": "你必须选择一个群组成员。",
+    "paidForMin1": "这项消费必须支付给至少1名群组成员。",
+    "noZeroShares": "所有份额必须大于0。",
+    "amountSum": "金额之和必须等于消费的金额。",
+    "percentageSum": "百分比之和必须等于100。"
+  },
+  "Categories": {
+    "search": "搜寻类别……",
+    "noCategory": "未找到类别。",
+    "Uncategorized": {
+      "heading": "未分类",
+      "General": "一般",
+      "Payment": "支付"
+    },
+    "Entertainment": {
+      "heading": "娱乐",
+      "Entertainment": "娱乐",
+      "Games": "游戏",
+      "Movies": "电影",
+      "Music": "音乐",
+      "Sports": "运动"
+    },
+    "Food and Drink": {
+      "heading": "饮食",
+      "Food and Drink": "饮食",
+      "Dining Out": "下馆子",
+      "Groceries": "便利店",
+      "Liquor": "酒水"
+    },
+    "Home": {
+      "heading": "居家",
+      "Home": "居家",
+      "Electronics": "电费",
+      "Furniture": "家具",
+      "Household Supplies": "家庭日用品",
+      "Maintenance": "维护",
+      "Mortgage": "贷款",
+      "Pets": "宠物",
+      "Rent": "租金",
+      "Services": "服务"
+    },
+    "Life": {
+      "heading": "生活",
+      "Childcare": "儿童保育",
+      "Clothing": "衣物",
+      "Education": "教育",
+      "Gifts": "礼物",
+      "Insurance": "保险",
+      "Medical Expenses": "医疗支出",
+      "Taxes": "税"
+    },
+    "Transportation": {
+      "heading": "交通",
+      "Transportation": "交通",
+      "Bicycle": "自行车",
+      "Bus/Train": "巴士/列车",
+      "Car": "汽车",
+      "Gas/Fuel": "燃料",
+      "Hotel": "旅馆",
+      "Parking": "停车",
+      "Plane": "飞机",
+      "Taxi": "出租车"
+    },
+    "Utilities": {
+      "heading": "日常账单",
+      "Utilities": "日常账单",
+      "Cleaning": "清洁费",
+      "Electricity": "电费",
+      "Heat/Gas": "暖气/瓦斯",
+      "Trash": "垃圾",
+      "TV/Phone/Internet": "电视/手机/互联网",
+      "Water": "水"
+    }
+  }
+}
diff --git a/src/i18n.ts b/src/i18n.ts
index 11ef139..77e619d 100644
--- a/src/i18n.ts
+++ b/src/i18n.ts
@@ -1,7 +1,7 @@
 import { getRequestConfig } from 'next-intl/server'
 import { getUserLocale } from './lib/locale'
 
-export const locales = ['en-US', 'fi', 'fr-FR', 'es', 'de-DE'] as const
+export const locales = ['en-US', 'fi', 'fr-FR', 'es', 'de-DE', 'zh-CN'] as const
 export type Locale = (typeof locales)[number]
 export type Locales = ReadonlyArray<Locale>
 export const defaultLocale: Locale = 'en-US'