diff --git a/backend/apps/chat/api/chat.py b/backend/apps/chat/api/chat.py
index 6f34b69b..8e672a46 100644
--- a/backend/apps/chat/api/chat.py
+++ b/backend/apps/chat/api/chat.py
@@ -26,10 +26,11 @@ async def chats(session: SessionDep, current_user: CurrentUser):
 
 
 @router.get("/{chart_id}")
-async def get_chat(session: SessionDep, current_user: CurrentUser, chart_id: int, current_assistant: CurrentAssistant):
+async def get_chat(session: SessionDep, current_user: CurrentUser, chart_id: int, current_assistant: CurrentAssistant,
+                   trans: Trans):
     def inner():
         return get_chat_with_records(chart_id=chart_id, session=session, current_user=current_user,
-                                     current_assistant=current_assistant)
+                                     current_assistant=current_assistant, trans=trans)
 
     return await asyncio.to_thread(inner)
 
@@ -108,7 +109,7 @@ async def start_chat(session: SessionDep, current_user: CurrentUser):
 
 @router.post("/recommend_questions/{chat_record_id}")
 async def recommend_questions(session: SessionDep, current_user: CurrentUser, chat_record_id: int,
-                              current_assistant: CurrentAssistant, articles_number: Optional[int]  = 4):
+                              current_assistant: CurrentAssistant, articles_number: Optional[int] = 4):
     def _return_empty():
         yield 'data:' + orjson.dumps({'content': '[]', 'type': 'recommended_question'}).decode() + '\n\n'
 
@@ -134,6 +135,7 @@ def _err(_e: Exception):
 
     return StreamingResponse(llm_service.await_result(), media_type="text/event-stream")
 
+
 @router.get("/recent_questions/{datasource_id}")
 async def recommend_questions(session: SessionDep, current_user: CurrentUser, datasource_id: int):
     return list_recent_questions(session=session, current_user=current_user, datasource_id=datasource_id)
diff --git a/backend/apps/chat/curd/chat.py b/backend/apps/chat/curd/chat.py
index d6e2bfe1..9ff45ea4 100644
--- a/backend/apps/chat/curd/chat.py
+++ b/backend/apps/chat/curd/chat.py
@@ -12,7 +12,7 @@
 from apps.datasource.crud.recommended_problem import get_datasource_recommended, get_datasource_recommended_chart
 from apps.datasource.models.datasource import CoreDatasource, DsRecommendedProblem
 from apps.system.crud.assistant import AssistantOutDsFactory
-from common.core.deps import CurrentAssistant, SessionDep, CurrentUser
+from common.core.deps import CurrentAssistant, SessionDep, CurrentUser, Trans
 from common.utils.utils import extract_nested_json
 
 
@@ -191,7 +191,7 @@ def get_chat_with_records_with_data(session: SessionDep, chart_id: int, current_
 
 
 def get_chat_with_records(session: SessionDep, chart_id: int, current_user: CurrentUser,
-                          current_assistant: CurrentAssistant, with_data: bool = False) -> ChatInfo:
+                          current_assistant: CurrentAssistant, with_data: bool = False,trans: Trans = None) -> ChatInfo:
     chat = session.get(Chat, chart_id)
     if not chat:
         raise Exception(f"Chat with id {chart_id} not found")
@@ -200,7 +200,7 @@ def get_chat_with_records(session: SessionDep, chart_id: int, current_user: Curr
 
     if current_assistant and current_assistant.type in dynamic_ds_types:
         out_ds_instance = AssistantOutDsFactory.get_instance(current_assistant)
-        ds = out_ds_instance.get_ds(chat.datasource)
+        ds = out_ds_instance.get_ds(chat.datasource,trans)
     else:
         ds = session.get(CoreDatasource, chat.datasource) if chat.datasource else None
 
diff --git a/backend/apps/system/crud/assistant.py b/backend/apps/system/crud/assistant.py
index 1f1e5ec6..da807965 100644
--- a/backend/apps/system/crud/assistant.py
+++ b/backend/apps/system/crud/assistant.py
@@ -20,6 +20,7 @@
 from common.core.sqlbot_cache import cache
 from common.utils.aes_crypto import simple_aes_decrypt
 from common.utils.utils import equals_ignore_case, string_to_numeric_hash
+from common.core.deps import Trans
 
 
 @cache(namespace=CacheNamespace.EMBEDDED_INFO, cacheName=CacheName.ASSISTANT_INFO, keyExpression="assistant_id")
@@ -143,12 +144,12 @@ def get_ds_from_api(self):
                 raise Exception(f"Failed to get datasource list from {endpoint}, error: {result_json.get('message')}")
         else:
             raise Exception(f"Failed to get datasource list from {endpoint}, status code: {res.status_code}")
-        
+
     def get_first_element(self, text: str):
         parts = re.split(r'[,;]', text.strip())
         first_domain = parts[0].strip()
         return first_domain
-    
+
     def get_complete_endpoint(self, endpoint: str) -> str | None:
         if endpoint.startswith("http://") or endpoint.startswith("https://"):
             return endpoint
@@ -158,8 +159,8 @@ def get_complete_endpoint(self, endpoint: str) -> str | None:
         if ',' in domain_text or ';' in domain_text:
             return (self.request_origin.strip('/') if self.request_origin else self.get_first_element(domain_text).strip('/')) + endpoint
         else:
-            return f"{domain_text}{endpoint}"  
-    
+            return f"{domain_text}{endpoint}"
+
     def get_simple_ds_list(self):
         if self.ds_list:
             return [{'id': ds.id, 'name': ds.name, 'description': ds.comment} for ds in self.ds_list]
@@ -205,14 +206,14 @@ def get_db_schema(self, ds_id: int, question: str, embedding: bool = True) -> st
 
         return schema_str
 
-    def get_ds(self, ds_id: int):
+    def get_ds(self, ds_id: int,trans: Trans = None):
         if self.ds_list:
             for ds in self.ds_list:
                 if ds.id == ds_id:
                     return ds
         else:
             raise Exception("Datasource list is not found.")
-        raise Exception(f"Datasource with id {ds_id} not found.")
+        raise Exception(f"Datasource id {ds_id} is not found." if trans is None else trans('i18n_data_training.datasource_id_not_found', key=ds_id))
 
     def convert2schema(self, ds_dict: dict, config: dict[any]) -> AssistantOutDsSchema:
         id_marker: str = ''