diff --git a/shared/client/src/main/resources/assets/photosync/lang/zh_cn.json b/shared/client/src/main/resources/assets/photosync/lang/zh_cn.json
new file mode 100644
index 0000000..e9660a6
--- /dev/null
+++ b/shared/client/src/main/resources/assets/photosync/lang/zh_cn.json
@@ -0,0 +1,122 @@
+{
+  "key.categories.photosync": "PhotoSync",
+  "key.category.photosync.main": "PhotoSync",
+  "key.photosync.open": "打开 PhotoSync",
+
+  "photosync.tab.queue": "上传",
+  "photosync.tab.browse": "浏览",
+  "photosync.tab.settings": "设置",
+
+  "photosync.state.pending": "排队中",
+  "photosync.state.uploading": "上传中",
+  "photosync.state.retrying": "重试中",
+  "photosync.state.completed": "已完成",
+  "photosync.state.failed": "失败",
+  "photosync.state.cancelled": "已取消",
+
+  "photosync.queue.retry_all": "重试失败的",
+  "photosync.queue.clear_finished": "清除已完成",
+  "photosync.queue.retry": "重试",
+  "photosync.queue.cancel": "取消",
+  "photosync.queue.reveal": "在文件夹中显示",
+  "photosync.queue.forget": "移除",
+  "photosync.queue.empty": "还没有上传",
+  "photosync.queue.empty.hint": "你拍摄的截图会显示在这里。",
+  "photosync.queue.no_selection": "选择一个截图以在此查看。",
+  "photosync.queue.preview_failed": "预览不可用",
+  "photosync.queue.preview_loading": "正在加载预览...",
+  "photosync.queue.idle": "没有可上传的内容",
+  "photosync.queue.status": "%s 个进行中，%s 个失败",
+
+  "photosync.browse.refresh": "刷新",
+  "photosync.browse.showing_library": "显示全部",
+  "photosync.browse.showing_album": "显示相册",
+  "photosync.browse.not_configured": "未连接",
+  "photosync.browse.not_configured.hint": "请在设置中添加你的服务器和 API 密钥。",
+  "photosync.browse.loading": "正在加载时间线...",
+  "photosync.browse.failed": "无法加载时间线",
+  "photosync.browse.empty": "这里还没有内容",
+  "photosync.browse.page_failed": "无法加载这些照片",
+  "photosync.browse.opening": "正在加载完整照片...",
+  "photosync.browse.open_failed": "无法加载这张照片",
+  "photosync.browse.open_failed.hint": "关闭后重新打开以重试。",
+  "photosync.browse.close_hint": "按 Esc 关闭",
+  "photosync.browse.status": "%s 天内的 %s 张照片",
+
+  "photosync.album.library": "整个图库",
+  "photosync.album.back": "返回",
+  "photosync.album.refresh": "刷新",
+  "photosync.album.create": "创建",
+  "photosync.album.new_hint": "新相册名称",
+  "photosync.album.loading": "正在加载相册...",
+  "photosync.album.failed": "无法加载相册",
+  "photosync.album.not_configured": "请先添加你的服务器和 API 密钥。",
+  "photosync.album.status": "正在上传到：%s",
+
+  "photosync.settings.section.connection": "连接",
+  "photosync.settings.section.upload": "上传",
+  "photosync.settings.section.auto_capture": "自动截图",
+  "photosync.settings.section.notifications": "通知",
+  "photosync.settings.section.browser": "浏览",
+
+  "photosync.settings.provider": "服务",
+  "photosync.settings.connection_state": "连接状态",
+  "photosync.settings.test": "测试",
+  "photosync.settings.test.running": "正在测试...",
+  "photosync.settings.test.incomplete": "请先填写两个字段。",
+  "photosync.settings.test.ok": "已连接为 %s（服务器 %s）",
+  "photosync.settings.test.failed": "失败：%s",
+  "photosync.settings.album": "相册",
+
+  "photosync.settings.upload_on_capture": "自动上传截图",
+  "photosync.settings.upload_on_capture.detail": "你拍摄的每张截图都会进入上传队列。",
+  "photosync.settings.concurrency": "同时上传数量",
+  "photosync.settings.attempts": "放弃前的尝试次数",
+  "photosync.settings.backoff": "尝试间隔",
+  "photosync.settings.wait_on_quit": "上传中途退出前询问",
+  "photosync.settings.wait_on_quit.detail": "显示进度并让上传完成。未完成的上传无论如何都会在下次继续。",
+  "photosync.settings.delete_local": "上传后删除本地文件",
+  "photosync.settings.delete_local.detail": "仅在服务器确认后才删除。",
+
+  "photosync.settings.auto_capture": "按定时器自动截图",
+  "photosync.settings.auto_capture.detail": "默认关闭。",
+  "photosync.settings.interval": "每",
+  "photosync.settings.suffix": "名称后缀",
+  "photosync.settings.only_in_world": "仅在游戏世界中时",
+  "photosync.settings.skip_when_screen_open": "打开界面时跳过",
+  "photosync.settings.skip_when_still": "未移动时跳过",
+  "photosync.settings.skip_when_still.detail": "如果画面自上次自动截图以来没有变化，则跳过一次。",
+
+  "photosync.settings.notify": "在角落显示消息",
+  "photosync.settings.notify.detail": "在左下角显示一行，持续片刻。",
+  "photosync.settings.notify_capture": "拍摄截图时",
+  "photosync.settings.notify_uploaded": "上传完成时",
+  "photosync.settings.notify_failed": "上传失败时",
+  "photosync.settings.linger": "消息持续时间",
+
+  "photosync.settings.tile_size": "缩略图大小",
+  "photosync.settings.cache": "内存中保留的缩略图数量",
+  "photosync.settings.video_badge": "在网格中标记视频",
+
+  "photosync.settings.save": "保存",
+  "photosync.settings.revert": "还原",
+  "photosync.settings.dirty": "有未保存的更改——关闭此界面时保存。",
+  "photosync.settings.clean": "所有更改已保存。",
+
+  "photosync.quit.title": "上传仍在进行",
+  "photosync.quit.remaining": "还剩 %s 个待上传",
+  "photosync.quit.finishing": "正在完成...",
+  "photosync.quit.hint": "未完成的内容会在你下次游玩时继续。",
+  "photosync.quit.keep_playing": "继续游戏",
+  "photosync.quit.anyway": "仍然退出",
+
+  "photosync.notify.captured": "截图已保存：%s",
+  "photosync.notify.uploaded": "已上传 %s",
+  "photosync.notify.failed": "上传失败：%s",
+
+  "photosync.provider.immich.name": "Immich",
+  "photosync.provider.immich.endpoint": "服务器地址",
+  "photosync.provider.immich.endpoint.hint": "https://photos.example.com",
+  "photosync.provider.immich.secret": "API 密钥",
+  "photosync.provider.immich.secret.hint": "账户设置 -> API 密钥"
+}