### What problem does this PR solve? https://github.com/infiniflow/ragflow/issues/9317 base on https://discuss.ai.google.dev/t/valueerror-invalid-operation-the-response-text-quick-accessor-requires-the-response-to-contain-a-valid-part-but-none-were-returned/42866 should can be handled by retry ### Type of change - [x] Refactoring