diff --git a/backend/src/api/routes/translate/_job_routes.py b/backend/src/api/routes/translate/_job_routes.py
index 0210b37e..98cdf9fb 100644
--- a/backend/src/api/routes/translate/_job_routes.py
+++ b/backend/src/api/routes/translate/_job_routes.py
@@ -211,7 +211,7 @@ async def list_datasources(
     with belief_scope("list_datasources"):
         try:
             service = TranslateJobService(db, config_manager)
-            datasets = service.fetch_available_datasources(env_id, search)
+            datasets = await service.fetch_available_datasources(env_id, search)
             return datasets
         except Exception as e:
             logger.explore("list_datasources failed", extra={"src": "translate_routes", "error": str(e)})
@@ -231,7 +231,7 @@ async def get_datasource_columns(
         extra={"src": "translate_routes"}
     )
     try:
-        result = fetch_datasource_columns_service(
+        result = await fetch_datasource_columns_service(
             datasource_id=datasource_id,
             env_id=env_id,
             config_manager=config_manager,
diff --git a/backend/src/plugins/translate/service.py b/backend/src/plugins/translate/service.py
index 91d40e09..ce3f8bf7 100644
--- a/backend/src/plugins/translate/service.py
+++ b/backend/src/plugins/translate/service.py
@@ -234,13 +234,13 @@ class TranslateJobService:
 
     # region fetch_available_datasources [TYPE Function]
     # @PURPOSE: List available Superset datasets for translation job creation.
-    def fetch_available_datasources(self, env_id: str, search: str | None = None) -> list:
+    async def fetch_available_datasources(self, env_id: str, search: str | None = None) -> list:
         from ...core.superset_client import SupersetClient
         env = self.config_manager.get_environment(env_id)
         if not env:
             raise ValueError(f"Environment '{env_id}' not found")
         client = SupersetClient(env)
-        _, datasets = client.get_datasets()
+        _, datasets = await client.get_datasets()
         result = []
         for ds in datasets:
             name = ds.get("table_name", "")
diff --git a/backend/src/plugins/translate/service_datasource.py b/backend/src/plugins/translate/service_datasource.py
index cbd04e78..66114038 100644
--- a/backend/src/plugins/translate/service_datasource.py
+++ b/backend/src/plugins/translate/service_datasource.py
@@ -114,7 +114,7 @@ def detect_virtual_columns(columns: list[dict[str, Any]]) -> list[str]:
 
 # #region get_datasource_columns [C:3] [TYPE Function]
 # @BRIEF Fetch datasource column metadata from Superset and return structured response.
-def get_datasource_columns(
+async def get_datasource_columns(
     datasource_id: int,
     env_id: str,
     config_manager: ConfigManager,
@@ -128,7 +128,7 @@ def get_datasource_columns(
         raise ValueError(f"Superset environment '{env_id}' not found")
 
     client = SupersetClient(env_config)
-    dataset_detail = client.get_dataset_detail(datasource_id)
+    dataset_detail = await client.get_dataset_detail(datasource_id)
 
     database_info = dataset_detail.get("database", {})
     dialect = None
@@ -140,7 +140,7 @@ def get_datasource_columns(
     if dialect is None:
         database_id = dataset_detail.get("database_id")
         if database_id:
-            db_record = client.get_database(int(database_id))
+            db_record = await client.get_database(int(database_id))
             db_result = db_record.get("result", db_record) if isinstance(db_record, dict) else db_record
             dialect = get_dialect_from_database(db_result)
         else: