diff --git a/web/src/i18n/locales/en.json b/web/src/i18n/locales/en.json
index c96495f9..67213955 100644
--- a/web/src/i18n/locales/en.json
+++ b/web/src/i18n/locales/en.json
@@ -1059,7 +1059,38 @@
     "removeConfirmDescription": "After removal, user {{userId}} will lose access to this namespace.",
     "removeSuccessTitle": "Member removed",
     "removeSuccessDescription": "User {{userId}} has been removed from this namespace.",
-    "removeErrorTitle": "Failed to remove member"
+    "removeErrorTitle": "Failed to remove member",
+    "batchImport": "Batch Import",
+    "batchDialogTitle": "Batch Import Members",
+    "batchDialogDescription": "Upload a CSV file to add multiple members at once. Each row should contain a user ID and role.",
+    "batchStepUpload": "Upload CSV",
+    "batchStepPreview": "Preview",
+    "batchStepResults": "Results",
+    "batchDownloadTemplate": "Download CSV template",
+    "batchDropHint": "Drag a CSV file here, or click to select",
+    "batchFormatHint": "Only .csv format supported",
+    "batchParseError": "Failed to parse CSV file",
+    "batchEmptyFile": "CSV file is empty or contains no valid rows",
+    "batchPreviewTitle": "Preview ({{count}} rows)",
+    "batchColUserId": "User ID",
+    "batchColRole": "Role",
+    "batchColStatus": "Status",
+    "batchValidationMissingUserId": "Missing user ID",
+    "batchValidationInvalidRole": "Invalid role (must be MEMBER or ADMIN)",
+    "batchValidationDuplicate": "Duplicate user ID",
+    "batchValidationValid": "Ready",
+    "batchValidRows": "{{valid}} valid, {{invalid}} invalid",
+    "batchSubmitting": "Importing...",
+    "batchSubmit": "Import {{count}} members",
+    "batchResultTitle": "Import Results",
+    "batchResultSummary": "{{success}} succeeded, {{failure}} failed out of {{total}} total",
+    "batchResultSuccess": "Added",
+    "batchResultAlreadyMember": "Already a member",
+    "batchResultUserNotFound": "User not found",
+    "batchResultInvalidRole": "Invalid role",
+    "batchResultUnknownError": "Unknown error",
+    "batchDone": "Done",
+    "batchBack": "Back"
   },
   "upload": {
     "dropHint": "Drop to upload...",
diff --git a/web/src/i18n/locales/zh.json b/web/src/i18n/locales/zh.json
index 12219285..5f1c1cab 100644
--- a/web/src/i18n/locales/zh.json
+++ b/web/src/i18n/locales/zh.json
@@ -1060,7 +1060,38 @@
     "removeConfirmDescription": "移除后，用户 {{userId}} 将失去该命名空间的访问和协作权限。",
     "removeSuccessTitle": "成员已移除",
     "removeSuccessDescription": "用户 {{userId}} 已从当前命名空间移除。",
-    "removeErrorTitle": "移除成员失败"
+    "removeErrorTitle": "移除成员失败",
+    "batchImport": "批量导入",
+    "batchDialogTitle": "批量导入成员",
+    "batchDialogDescription": "上传 CSV 文件批量添加成员。每行包含一个用户 ID 和角色。",
+    "batchStepUpload": "上传 CSV",
+    "batchStepPreview": "预览",
+    "batchStepResults": "结果",
+    "batchDownloadTemplate": "下载 CSV 模板",
+    "batchDropHint": "拖拽 CSV 文件到此处，或点击选择",
+    "batchFormatHint": "仅支持 .csv 格式",
+    "batchParseError": "CSV 文件解析失败",
+    "batchEmptyFile": "CSV 文件为空或没有有效行",
+    "batchPreviewTitle": "预览（共 {{count}} 行）",
+    "batchColUserId": "用户 ID",
+    "batchColRole": "角色",
+    "batchColStatus": "状态",
+    "batchValidationMissingUserId": "缺少用户 ID",
+    "batchValidationInvalidRole": "角色无效（必须为 MEMBER 或 ADMIN）",
+    "batchValidationDuplicate": "用户 ID 重复",
+    "batchValidationValid": "就绪",
+    "batchValidRows": "{{valid}} 条有效，{{invalid}} 条无效",
+    "batchSubmitting": "导入中...",
+    "batchSubmit": "导入 {{count}} 名成员",
+    "batchResultTitle": "导入结果",
+    "batchResultSummary": "共 {{total}} 条，成功 {{success}} 条，失败 {{failure}} 条",
+    "batchResultSuccess": "已添加",
+    "batchResultAlreadyMember": "已是成员",
+    "batchResultUserNotFound": "用户不存在",
+    "batchResultInvalidRole": "角色无效",
+    "batchResultUnknownError": "未知错误",
+    "batchDone": "完成",
+    "batchBack": "返回"
   },
   "upload": {
     "dropHint": "放开以上传文件...",