{ "type": "code_options", "author": "ccat", "source": "in_column.md", "notebook_enable": false, "exercise_id": "464fd8f686284280afbee9424ed4ae65", "container_url": "https://mydev.csdn.net/ssh?image=cimg-centos7-skilltreemysql&connect=auto&create=auto&utm_source=skill" }