diff --git a/backend/apps/system/api/user.py b/backend/apps/system/api/user.py
index 04c64432..0cf26d34 100644
--- a/backend/apps/system/api/user.py
+++ b/backend/apps/system/api/user.py
@@ -2,7 +2,7 @@ from typing import Optional
 from fastapi import APIRouter, HTTPException, Query
 from sqlmodel import func, or_, select, delete as sqlmodel_delete
 from apps.system.crud.user import check_account_exists, check_email_exists, check_email_format, check_pwd_format, get_db_user, single_delete, user_ws_options
-from apps.system.models.system_model import UserWsModel
+from apps.system.models.system_model import UserWsModel, WorkspaceModel
 from apps.system.models.user import UserModel
 from apps.system.schemas.auth import CacheName, CacheNamespace
 from apps.system.schemas.system_schema import PwdEditor, UserCreator, UserEditor, UserGrid, UserLanguage, UserStatus, UserWs
@@ -96,10 +96,13 @@ async def ws_options(session: SessionDep, current_user: CurrentUser, trans: Tran
 
 @router.put("/ws/{oid}")
 @clear_cache(namespace=CacheNamespace.AUTH_INFO, cacheName=CacheName.USER_INFO, keyExpression="current_user.id")
-async def ws_change(session: SessionDep, current_user: CurrentUser, oid: int):
+async def ws_change(session: SessionDep, current_user: CurrentUser, trans:Trans, oid: int):
     ws_list: list[UserWs] = await user_ws_options(session, current_user.id)
     if not any(x.id == oid for x in ws_list):
-        raise Exception(f"oid [{oid}] is invalid!")
+        db_ws = session.get(WorkspaceModel, oid)
+        if db_ws:
+            raise Exception(trans('i18n_user.ws_miss', ws = db_ws.name))
+        raise Exception(trans('i18n_not_exist', msg = f"{trans('i18n_ws.title')}[{oid}]"))
     user_model: UserModel = get_db_user(session = session, user_id = current_user.id)
     user_model.oid = oid
     session.add(user_model)
diff --git a/backend/locales/en.json b/backend/locales/en.json
index 15602cf0..7b775419 100644
--- a/backend/locales/en.json
+++ b/backend/locales/en.json
@@ -3,6 +3,7 @@
     "i18n_ds_name_exist": "Name already exists",
     "i18n_concat_admin": "Please contact administrator!",
     "i18n_exist": "{msg} already exists!",
+    "i18n_not_exist": "{msg} not exists",
     "i18n_error": "{key} error!",
     "i18n_miss_args": "Missing {key} parameter!",
     "i18n_format_invalid": "{key} format is incorrect!",
@@ -15,7 +16,11 @@
         "account": "Account",
         "email": "Email",
         "password": "Password",
-        "language_not_support": "System does not support [{key}] language!"
+        "language_not_support": "System does not support [{key}] language!",
+        "ws_miss": "The current user is not in the workspace [{ws}]!"
+    },
+    "i18n_ws": {
+        "title": "Workspace"
     },
     "i18n_permission": {
         "only_admin": "Only administrators can call this!",
diff --git a/backend/locales/zh-CN.json b/backend/locales/zh-CN.json
index 8bd2d5f4..abadd609 100644
--- a/backend/locales/zh-CN.json
+++ b/backend/locales/zh-CN.json
@@ -3,6 +3,7 @@
     "i18n_ds_name_exist": "名称已存在",
     "i18n_concat_admin": "请联系管理员！",
     "i18n_exist": "{msg}已存在！",
+    "i18n_not_exist": "{msg}不存在！",
     "i18n_error": "{key}错误！",
     "i18n_miss_args": "缺失{key}参数！",
     "i18n_format_invalid": "{key}格式不正确！",
@@ -15,7 +16,11 @@
         "account": "账号",
         "email": "邮箱",
         "password": "密码",
-        "language_not_support": "系统不支持[{key}]语言！"
+        "language_not_support": "系统不支持[{key}]语言！",
+        "ws_miss": "当前用户不在工作空间[{ws}]中！"
+    },
+    "i18n_ws": {
+        "title": "工作空间"
     },
     "i18n_permission": {
         "only_admin": "仅支持管理员调用！",