diff --git a/src/backend/bisheng/main.py b/src/backend/bisheng/main.py
index 9baa756b9..4143a79a3 100644
--- a/src/backend/bisheng/main.py
+++ b/src/backend/bisheng/main.py
@@ -35,7 +35,7 @@ def handle_http_exception(req: Request, exc: Exception) -> ORJSONResponse:
 
 def handle_request_validation_error(req: Request, exc: RequestValidationError) -> ORJSONResponse:
     msg = {'status_code': status.HTTP_422_UNPROCESSABLE_ENTITY, 'status_message': exc.errors()}
-    logger.error(f'{req.method} {req.url} {exc.errors()} {exc.body}')
+    logger.error(f'{req.method} {req.url} {str(exc.errors())[:100]}')
     return ORJSONResponse(content=msg)