diff --git a/api/db/db_models.py b/api/db/db_models.py
index 96620db7..845af9d9 100644
--- a/api/db/db_models.py
+++ b/api/db/db_models.py
@@ -578,7 +578,7 @@ class Knowledgebase(DataBaseModel):
     language = CharField(
         max_length=32,
         null=True,
-        default="Chinese",
+        default="English",
         help_text="English|Chinese")
     description = TextField(null=True, help_text="KB description")
     embd_id = CharField(