{
    "ts": 1729074247942,
    "data": [
        {
            "id": 597,
            "course_id": 18,
            "content": "1.15.一个动作：发展（2）",
            "category": "text",
            "attachment_id": "",
            "order": 1,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": null
        },
        {
            "id": 598,
            "course_id": 18,
            "content": "187590a5-786e-4571-b9ca-fefa024bb86a.mp3",
            "category": "audio",
            "attachment_id": "187590a5-786e-4571-b9ca-fefa024bb86a",
            "order": 2,
            "duration": 46510,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:48.249Z",
            "attachment": {
                "id": 11785,
                "attachment_id": "187590a5-786e-4571-b9ca-fefa024bb86a",
                "name": "187590a5-786e-4571-b9ca-fefa024bb86a.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/187590a5-786e-4571-b9ca-fefa024bb86a.mp3",
                "size": 372141,
                "duration": 46510,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.939Z",
                "updated_at": "2023-11-14T18:02:48.24Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/187590a5-786e-4571-b9ca-fefa024bb86a.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/187590a5-786e-4571-b9ca-fefa024bb86a.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/187590a5-786e-4571-b9ca-fefa024bb86a.mp3"
            }
        },
        {
            "id": 599,
            "course_id": 18,
            "content": "发展的核心是判断力",
            "category": "text",
            "attachment_id": "",
            "order": 3,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": null
        },
        {
            "id": 600,
            "course_id": 18,
            "content": "3d993ebf-4a89-4dd0-bc90-66931b3ab0a2.mp3",
            "category": "audio",
            "attachment_id": "3d993ebf-4a89-4dd0-bc90-66931b3ab0a2",
            "order": 4,
            "duration": 46800,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:48.463Z",
            "attachment": {
                "id": 11786,
                "attachment_id": "3d993ebf-4a89-4dd0-bc90-66931b3ab0a2",
                "name": "3d993ebf-4a89-4dd0-bc90-66931b3ab0a2.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/3d993ebf-4a89-4dd0-bc90-66931b3ab0a2.mp3",
                "size": 374445,
                "duration": 46800,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.939Z",
                "updated_at": "2023-11-14T18:02:48.456Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/3d993ebf-4a89-4dd0-bc90-66931b3ab0a2.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/3d993ebf-4a89-4dd0-bc90-66931b3ab0a2.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/3d993ebf-4a89-4dd0-bc90-66931b3ab0a2.mp3"
            }
        },
        {
            "id": 601,
            "course_id": 18,
            "content": "d6c677b4-ad3c-494a-8587-172eadd5003b.mp3",
            "category": "audio",
            "attachment_id": "d6c677b4-ad3c-494a-8587-172eadd5003b",
            "order": 5,
            "duration": 28200,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:48.694Z",
            "attachment": {
                "id": 11787,
                "attachment_id": "d6c677b4-ad3c-494a-8587-172eadd5003b",
                "name": "d6c677b4-ad3c-494a-8587-172eadd5003b.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/d6c677b4-ad3c-494a-8587-172eadd5003b.mp3",
                "size": 225645,
                "duration": 28200,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.94Z",
                "updated_at": "2023-11-14T18:02:48.688Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/d6c677b4-ad3c-494a-8587-172eadd5003b.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/d6c677b4-ad3c-494a-8587-172eadd5003b.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/d6c677b4-ad3c-494a-8587-172eadd5003b.mp3"
            }
        },
        {
            "id": 602,
            "course_id": 18,
            "content": "“什么更重要？”",
            "category": "text",
            "attachment_id": "",
            "order": 6,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": null
        },
        {
            "id": 603,
            "course_id": 18,
            "content": "7e3d0715-90cc-46c4-80dd-7960f7d7cda8.mp3",
            "category": "audio",
            "attachment_id": "7e3d0715-90cc-46c4-80dd-7960f7d7cda8",
            "order": 7,
            "duration": 22560,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:48.972Z",
            "attachment": {
                "id": 11788,
                "attachment_id": "7e3d0715-90cc-46c4-80dd-7960f7d7cda8",
                "name": "7e3d0715-90cc-46c4-80dd-7960f7d7cda8.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7e3d0715-90cc-46c4-80dd-7960f7d7cda8.mp3",
                "size": 180525,
                "duration": 22560,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.941Z",
                "updated_at": "2023-11-14T18:02:48.964Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7e3d0715-90cc-46c4-80dd-7960f7d7cda8.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7e3d0715-90cc-46c4-80dd-7960f7d7cda8.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7e3d0715-90cc-46c4-80dd-7960f7d7cda8.mp3"
            }
        },
        {
            "id": 604,
            "course_id": 18,
            "content": "2e6d2be4-c646-4eff-83cd-7872c0c96a2c.mp3",
            "category": "audio",
            "attachment_id": "2e6d2be4-c646-4eff-83cd-7872c0c96a2c",
            "order": 8,
            "duration": 28150,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:49.178Z",
            "attachment": {
                "id": 11789,
                "attachment_id": "2e6d2be4-c646-4eff-83cd-7872c0c96a2c",
                "name": "2e6d2be4-c646-4eff-83cd-7872c0c96a2c.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2e6d2be4-c646-4eff-83cd-7872c0c96a2c.mp3",
                "size": 225261,
                "duration": 28150,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.942Z",
                "updated_at": "2023-11-14T18:02:49.172Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2e6d2be4-c646-4eff-83cd-7872c0c96a2c.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2e6d2be4-c646-4eff-83cd-7872c0c96a2c.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2e6d2be4-c646-4eff-83cd-7872c0c96a2c.mp3"
            }
        },
        {
            "id": 605,
            "course_id": 18,
            "content": "185bb322-9c7f-4cca-9c3b-a1f5c71c5b26.mp3",
            "category": "audio",
            "attachment_id": "185bb322-9c7f-4cca-9c3b-a1f5c71c5b26",
            "order": 9,
            "duration": 32980,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:49.429Z",
            "attachment": {
                "id": 11790,
                "attachment_id": "185bb322-9c7f-4cca-9c3b-a1f5c71c5b26",
                "name": "185bb322-9c7f-4cca-9c3b-a1f5c71c5b26.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/185bb322-9c7f-4cca-9c3b-a1f5c71c5b26.mp3",
                "size": 263853,
                "duration": 32980,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.942Z",
                "updated_at": "2023-11-14T18:02:49.422Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/185bb322-9c7f-4cca-9c3b-a1f5c71c5b26.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/185bb322-9c7f-4cca-9c3b-a1f5c71c5b26.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/185bb322-9c7f-4cca-9c3b-a1f5c71c5b26.mp3"
            }
        },
        {
            "id": 606,
            "course_id": 18,
            "content": "29797b80-67c7-458e-9a56-54027657da13.png",
            "category": "image",
            "attachment_id": "29797b80-67c7-458e-9a56-54027657da13",
            "order": 10,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": {
                "id": 11791,
                "attachment_id": "29797b80-67c7-458e-9a56-54027657da13",
                "name": "29797b80-67c7-458e-9a56-54027657da13.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/29797b80-67c7-458e-9a56-54027657da13.png",
                "size": 13070,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.944Z",
                "updated_at": "2023-11-14T18:02:47.944Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/29797b80-67c7-458e-9a56-54027657da13.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/29797b80-67c7-458e-9a56-54027657da13.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/29797b80-67c7-458e-9a56-54027657da13.png"
            }
        },
        {
            "id": 607,
            "course_id": 18,
            "content": "e82405ce-30dc-451c-a7c5-feee133b3fd3.mp3",
            "category": "audio",
            "attachment_id": "e82405ce-30dc-451c-a7c5-feee133b3fd3",
            "order": 11,
            "duration": 60050,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:49.642Z",
            "attachment": {
                "id": 11792,
                "attachment_id": "e82405ce-30dc-451c-a7c5-feee133b3fd3",
                "name": "e82405ce-30dc-451c-a7c5-feee133b3fd3.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/e82405ce-30dc-451c-a7c5-feee133b3fd3.mp3",
                "size": 480429,
                "duration": 60050,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.945Z",
                "updated_at": "2023-11-14T18:02:49.638Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/e82405ce-30dc-451c-a7c5-feee133b3fd3.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/e82405ce-30dc-451c-a7c5-feee133b3fd3.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/e82405ce-30dc-451c-a7c5-feee133b3fd3.mp3"
            }
        },
        {
            "id": 608,
            "course_id": 18,
            "content": "8db0652f-4bbb-4904-9ed0-e31776478295.mp3",
            "category": "audio",
            "attachment_id": "8db0652f-4bbb-4904-9ed0-e31776478295",
            "order": 12,
            "duration": 48360,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:49.882Z",
            "attachment": {
                "id": 11793,
                "attachment_id": "8db0652f-4bbb-4904-9ed0-e31776478295",
                "name": "8db0652f-4bbb-4904-9ed0-e31776478295.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8db0652f-4bbb-4904-9ed0-e31776478295.mp3",
                "size": 386925,
                "duration": 48360,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.945Z",
                "updated_at": "2023-11-14T18:02:49.875Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8db0652f-4bbb-4904-9ed0-e31776478295.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8db0652f-4bbb-4904-9ed0-e31776478295.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8db0652f-4bbb-4904-9ed0-e31776478295.mp3"
            }
        },
        {
            "id": 609,
            "course_id": 18,
            "content": "6f59fe58-e6f4-45b7-9f82-d65a77f3155a.mp3",
            "category": "audio",
            "attachment_id": "6f59fe58-e6f4-45b7-9f82-d65a77f3155a",
            "order": 13,
            "duration": 39650,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:50.165Z",
            "attachment": {
                "id": 11794,
                "attachment_id": "6f59fe58-e6f4-45b7-9f82-d65a77f3155a",
                "name": "6f59fe58-e6f4-45b7-9f82-d65a77f3155a.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/6f59fe58-e6f4-45b7-9f82-d65a77f3155a.mp3",
                "size": 317229,
                "duration": 39650,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.945Z",
                "updated_at": "2023-11-14T18:02:50.161Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/6f59fe58-e6f4-45b7-9f82-d65a77f3155a.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/6f59fe58-e6f4-45b7-9f82-d65a77f3155a.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/6f59fe58-e6f4-45b7-9f82-d65a77f3155a.mp3"
            }
        },
        {
            "id": 610,
            "course_id": 18,
            "content": "c4e58df8-d3b0-4cb8-bc2a-74a09e5e6caf.mp3",
            "category": "audio",
            "attachment_id": "c4e58df8-d3b0-4cb8-bc2a-74a09e5e6caf",
            "order": 14,
            "duration": 22920,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:50.366Z",
            "attachment": {
                "id": 11795,
                "attachment_id": "c4e58df8-d3b0-4cb8-bc2a-74a09e5e6caf",
                "name": "c4e58df8-d3b0-4cb8-bc2a-74a09e5e6caf.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c4e58df8-d3b0-4cb8-bc2a-74a09e5e6caf.mp3",
                "size": 183405,
                "duration": 22920,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.946Z",
                "updated_at": "2023-11-14T18:02:50.361Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c4e58df8-d3b0-4cb8-bc2a-74a09e5e6caf.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c4e58df8-d3b0-4cb8-bc2a-74a09e5e6caf.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c4e58df8-d3b0-4cb8-bc2a-74a09e5e6caf.mp3"
            }
        },
        {
            "id": 611,
            "course_id": 18,
            "content": "1571c9dd-1dba-4ffe-ac62-50e96353077a.mp3",
            "category": "audio",
            "attachment_id": "1571c9dd-1dba-4ffe-ac62-50e96353077a",
            "order": 15,
            "duration": 23110,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:50.581Z",
            "attachment": {
                "id": 11796,
                "attachment_id": "1571c9dd-1dba-4ffe-ac62-50e96353077a",
                "name": "1571c9dd-1dba-4ffe-ac62-50e96353077a.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1571c9dd-1dba-4ffe-ac62-50e96353077a.mp3",
                "size": 184941,
                "duration": 23110,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.947Z",
                "updated_at": "2023-11-14T18:02:50.576Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1571c9dd-1dba-4ffe-ac62-50e96353077a.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1571c9dd-1dba-4ffe-ac62-50e96353077a.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1571c9dd-1dba-4ffe-ac62-50e96353077a.mp3"
            }
        },
        {
            "id": 612,
            "course_id": 18,
            "content": "c72e2157-1bc7-4b1a-8b02-9d163ee85224.mp3",
            "category": "audio",
            "attachment_id": "c72e2157-1bc7-4b1a-8b02-9d163ee85224",
            "order": 16,
            "duration": 45860,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:50.802Z",
            "attachment": {
                "id": 11797,
                "attachment_id": "c72e2157-1bc7-4b1a-8b02-9d163ee85224",
                "name": "c72e2157-1bc7-4b1a-8b02-9d163ee85224.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c72e2157-1bc7-4b1a-8b02-9d163ee85224.mp3",
                "size": 366957,
                "duration": 45860,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.948Z",
                "updated_at": "2023-11-14T18:02:50.795Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c72e2157-1bc7-4b1a-8b02-9d163ee85224.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c72e2157-1bc7-4b1a-8b02-9d163ee85224.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c72e2157-1bc7-4b1a-8b02-9d163ee85224.mp3"
            }
        },
        {
            "id": 613,
            "course_id": 18,
            "content": "2df04a10-5b76-4504-9bee-9215f7f2e613.png",
            "category": "image",
            "attachment_id": "2df04a10-5b76-4504-9bee-9215f7f2e613",
            "order": 17,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": {
                "id": 11798,
                "attachment_id": "2df04a10-5b76-4504-9bee-9215f7f2e613",
                "name": "2df04a10-5b76-4504-9bee-9215f7f2e613.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2df04a10-5b76-4504-9bee-9215f7f2e613.png",
                "size": 33008,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.949Z",
                "updated_at": "2023-11-14T18:02:47.949Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2df04a10-5b76-4504-9bee-9215f7f2e613.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2df04a10-5b76-4504-9bee-9215f7f2e613.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2df04a10-5b76-4504-9bee-9215f7f2e613.png"
            }
        },
        {
            "id": 614,
            "course_id": 18,
            "content": "结构化编程理论 https://simple.wikipedia.org/?curid=305037",
            "category": "text",
            "attachment_id": "",
            "order": 18,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": null
        },
        {
            "id": 615,
            "course_id": 18,
            "content": "086adf8d-3c6d-4081-be79-afce5099caee.mp3",
            "category": "audio",
            "attachment_id": "086adf8d-3c6d-4081-be79-afce5099caee",
            "order": 19,
            "duration": 41420,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:51.121Z",
            "attachment": {
                "id": 11799,
                "attachment_id": "086adf8d-3c6d-4081-be79-afce5099caee",
                "name": "086adf8d-3c6d-4081-be79-afce5099caee.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/086adf8d-3c6d-4081-be79-afce5099caee.mp3",
                "size": 331437,
                "duration": 41420,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.949Z",
                "updated_at": "2023-11-14T18:02:51.116Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/086adf8d-3c6d-4081-be79-afce5099caee.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/086adf8d-3c6d-4081-be79-afce5099caee.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/086adf8d-3c6d-4081-be79-afce5099caee.mp3"
            }
        },
        {
            "id": 616,
            "course_id": 18,
            "content": "7906170b-0dee-4d72-8b72-b250275cca61.png",
            "category": "image",
            "attachment_id": "7906170b-0dee-4d72-8b72-b250275cca61",
            "order": 20,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": {
                "id": 11800,
                "attachment_id": "7906170b-0dee-4d72-8b72-b250275cca61",
                "name": "7906170b-0dee-4d72-8b72-b250275cca61.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7906170b-0dee-4d72-8b72-b250275cca61.png",
                "size": 30215,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.95Z",
                "updated_at": "2023-11-14T18:02:47.95Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7906170b-0dee-4d72-8b72-b250275cca61.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7906170b-0dee-4d72-8b72-b250275cca61.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7906170b-0dee-4d72-8b72-b250275cca61.png"
            }
        },
        {
            "id": 617,
            "course_id": 18,
            "content": "f01c0d23-826c-45f1-ad0a-88b84516bcca.mp3",
            "category": "audio",
            "attachment_id": "f01c0d23-826c-45f1-ad0a-88b84516bcca",
            "order": 21,
            "duration": 51000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:51.386Z",
            "attachment": {
                "id": 11801,
                "attachment_id": "f01c0d23-826c-45f1-ad0a-88b84516bcca",
                "name": "f01c0d23-826c-45f1-ad0a-88b84516bcca.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f01c0d23-826c-45f1-ad0a-88b84516bcca.mp3",
                "size": 408045,
                "duration": 51000,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.951Z",
                "updated_at": "2023-11-14T18:02:51.377Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f01c0d23-826c-45f1-ad0a-88b84516bcca.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f01c0d23-826c-45f1-ad0a-88b84516bcca.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f01c0d23-826c-45f1-ad0a-88b84516bcca.mp3"
            }
        },
        {
            "id": 618,
            "course_id": 18,
            "content": "daf4df69-794b-4178-ad17-dd85dab17557.mp3",
            "category": "audio",
            "attachment_id": "daf4df69-794b-4178-ad17-dd85dab17557",
            "order": 22,
            "duration": 35900,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:51.612Z",
            "attachment": {
                "id": 11802,
                "attachment_id": "daf4df69-794b-4178-ad17-dd85dab17557",
                "name": "daf4df69-794b-4178-ad17-dd85dab17557.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/daf4df69-794b-4178-ad17-dd85dab17557.mp3",
                "size": 287277,
                "duration": 35900,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.951Z",
                "updated_at": "2023-11-14T18:02:51.606Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/daf4df69-794b-4178-ad17-dd85dab17557.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/daf4df69-794b-4178-ad17-dd85dab17557.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/daf4df69-794b-4178-ad17-dd85dab17557.mp3"
            }
        },
        {
            "id": 619,
            "course_id": 18,
            "content": "2774bcaf-ce87-4891-ad62-88d798f784b3.mp3",
            "category": "audio",
            "attachment_id": "2774bcaf-ce87-4891-ad62-88d798f784b3",
            "order": 23,
            "duration": 25180,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:51.834Z",
            "attachment": {
                "id": 11803,
                "attachment_id": "2774bcaf-ce87-4891-ad62-88d798f784b3",
                "name": "2774bcaf-ce87-4891-ad62-88d798f784b3.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2774bcaf-ce87-4891-ad62-88d798f784b3.mp3",
                "size": 201453,
                "duration": 25180,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.952Z",
                "updated_at": "2023-11-14T18:02:51.825Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2774bcaf-ce87-4891-ad62-88d798f784b3.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2774bcaf-ce87-4891-ad62-88d798f784b3.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2774bcaf-ce87-4891-ad62-88d798f784b3.mp3"
            }
        },
        {
            "id": 620,
            "course_id": 18,
            "content": "59f9b2c5-3166-44b8-8998-dc2525b5ad93.png",
            "category": "image",
            "attachment_id": "59f9b2c5-3166-44b8-8998-dc2525b5ad93",
            "order": 24,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": {
                "id": 11804,
                "attachment_id": "59f9b2c5-3166-44b8-8998-dc2525b5ad93",
                "name": "59f9b2c5-3166-44b8-8998-dc2525b5ad93.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/59f9b2c5-3166-44b8-8998-dc2525b5ad93.png",
                "size": 23226,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.953Z",
                "updated_at": "2023-11-14T18:02:47.953Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/59f9b2c5-3166-44b8-8998-dc2525b5ad93.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/59f9b2c5-3166-44b8-8998-dc2525b5ad93.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/59f9b2c5-3166-44b8-8998-dc2525b5ad93.png"
            }
        },
        {
            "id": 621,
            "course_id": 18,
            "content": "f2720183-cf39-487b-8c36-50cd908362d3.mp3",
            "category": "audio",
            "attachment_id": "f2720183-cf39-487b-8c36-50cd908362d3",
            "order": 25,
            "duration": 15500,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:52.058Z",
            "attachment": {
                "id": 11805,
                "attachment_id": "f2720183-cf39-487b-8c36-50cd908362d3",
                "name": "f2720183-cf39-487b-8c36-50cd908362d3.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f2720183-cf39-487b-8c36-50cd908362d3.mp3",
                "size": 124077,
                "duration": 15500,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.953Z",
                "updated_at": "2023-11-14T18:02:52.051Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f2720183-cf39-487b-8c36-50cd908362d3.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f2720183-cf39-487b-8c36-50cd908362d3.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f2720183-cf39-487b-8c36-50cd908362d3.mp3"
            }
        },
        {
            "id": 622,
            "course_id": 18,
            "content": "7f2e68d8-78d7-475f-8852-8d488083850b.png",
            "category": "image",
            "attachment_id": "7f2e68d8-78d7-475f-8852-8d488083850b",
            "order": 26,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": {
                "id": 11806,
                "attachment_id": "7f2e68d8-78d7-475f-8852-8d488083850b",
                "name": "7f2e68d8-78d7-475f-8852-8d488083850b.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7f2e68d8-78d7-475f-8852-8d488083850b.png",
                "size": 31019,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.954Z",
                "updated_at": "2023-11-14T18:02:47.954Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7f2e68d8-78d7-475f-8852-8d488083850b.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7f2e68d8-78d7-475f-8852-8d488083850b.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7f2e68d8-78d7-475f-8852-8d488083850b.png"
            }
        },
        {
            "id": 623,
            "course_id": 18,
            "content": "9dcfe2ca-9092-4be9-9cfb-0830297abbf0.mp3",
            "category": "audio",
            "attachment_id": "9dcfe2ca-9092-4be9-9cfb-0830297abbf0",
            "order": 27,
            "duration": 23950,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:52.279Z",
            "attachment": {
                "id": 11807,
                "attachment_id": "9dcfe2ca-9092-4be9-9cfb-0830297abbf0",
                "name": "9dcfe2ca-9092-4be9-9cfb-0830297abbf0.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9dcfe2ca-9092-4be9-9cfb-0830297abbf0.mp3",
                "size": 191661,
                "duration": 23950,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.954Z",
                "updated_at": "2023-11-14T18:02:52.274Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9dcfe2ca-9092-4be9-9cfb-0830297abbf0.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9dcfe2ca-9092-4be9-9cfb-0830297abbf0.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9dcfe2ca-9092-4be9-9cfb-0830297abbf0.mp3"
            }
        },
        {
            "id": 624,
            "course_id": 18,
            "content": "a235207b-dda6-4431-a032-e1ac7630d1fd.mp3",
            "category": "audio",
            "attachment_id": "a235207b-dda6-4431-a032-e1ac7630d1fd",
            "order": 28,
            "duration": 37920,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:52.538Z",
            "attachment": {
                "id": 11808,
                "attachment_id": "a235207b-dda6-4431-a032-e1ac7630d1fd",
                "name": "a235207b-dda6-4431-a032-e1ac7630d1fd.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/a235207b-dda6-4431-a032-e1ac7630d1fd.mp3",
                "size": 303405,
                "duration": 37920,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.955Z",
                "updated_at": "2023-11-14T18:02:52.53Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/a235207b-dda6-4431-a032-e1ac7630d1fd.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/a235207b-dda6-4431-a032-e1ac7630d1fd.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/a235207b-dda6-4431-a032-e1ac7630d1fd.mp3"
            }
        },
        {
            "id": 625,
            "course_id": 18,
            "content": "f97ea7d5-6c3d-424e-bd59-d9cbf3aecadc.mp3",
            "category": "audio",
            "attachment_id": "f97ea7d5-6c3d-424e-bd59-d9cbf3aecadc",
            "order": 29,
            "duration": 37970,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:52.765Z",
            "attachment": {
                "id": 11809,
                "attachment_id": "f97ea7d5-6c3d-424e-bd59-d9cbf3aecadc",
                "name": "f97ea7d5-6c3d-424e-bd59-d9cbf3aecadc.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f97ea7d5-6c3d-424e-bd59-d9cbf3aecadc.mp3",
                "size": 303789,
                "duration": 37970,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.956Z",
                "updated_at": "2023-11-14T18:02:52.758Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f97ea7d5-6c3d-424e-bd59-d9cbf3aecadc.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f97ea7d5-6c3d-424e-bd59-d9cbf3aecadc.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/f97ea7d5-6c3d-424e-bd59-d9cbf3aecadc.mp3"
            }
        },
        {
            "id": 626,
            "course_id": 18,
            "content": "https://www.nber.org/papers/w17159 ，斯塔西·戴尔（Stacy Dale）和艾伦·克鲁格（Allen Krueger），2011",
            "category": "text",
            "attachment_id": "",
            "order": 30,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": null
        },
        {
            "id": 627,
            "course_id": 18,
            "content": "873343ca-4c5f-4fcf-b4ab-451cd5689118.mp3",
            "category": "audio",
            "attachment_id": "873343ca-4c5f-4fcf-b4ab-451cd5689118",
            "order": 31,
            "duration": 46700,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:53Z",
            "attachment": {
                "id": 11810,
                "attachment_id": "873343ca-4c5f-4fcf-b4ab-451cd5689118",
                "name": "873343ca-4c5f-4fcf-b4ab-451cd5689118.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/873343ca-4c5f-4fcf-b4ab-451cd5689118.mp3",
                "size": 373677,
                "duration": 46700,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.956Z",
                "updated_at": "2023-11-14T18:02:52.988Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/873343ca-4c5f-4fcf-b4ab-451cd5689118.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/873343ca-4c5f-4fcf-b4ab-451cd5689118.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/873343ca-4c5f-4fcf-b4ab-451cd5689118.mp3"
            }
        },
        {
            "id": 628,
            "course_id": 18,
            "content": "ee387cc3-cb3e-4f63-bf67-bcc1240be902.mp3",
            "category": "audio",
            "attachment_id": "ee387cc3-cb3e-4f63-bf67-bcc1240be902",
            "order": 32,
            "duration": 27940,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:53.234Z",
            "attachment": {
                "id": 11811,
                "attachment_id": "ee387cc3-cb3e-4f63-bf67-bcc1240be902",
                "name": "ee387cc3-cb3e-4f63-bf67-bcc1240be902.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ee387cc3-cb3e-4f63-bf67-bcc1240be902.mp3",
                "size": 223533,
                "duration": 27940,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.956Z",
                "updated_at": "2023-11-14T18:02:53.229Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ee387cc3-cb3e-4f63-bf67-bcc1240be902.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ee387cc3-cb3e-4f63-bf67-bcc1240be902.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ee387cc3-cb3e-4f63-bf67-bcc1240be902.mp3"
            }
        },
        {
            "id": 629,
            "course_id": 18,
            "content": "30ed7ce1-b9eb-4c16-a1e7-144ac19a5f66.mp3",
            "category": "audio",
            "attachment_id": "30ed7ce1-b9eb-4c16-a1e7-144ac19a5f66",
            "order": 33,
            "duration": 41040,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:53.456Z",
            "attachment": {
                "id": 11812,
                "attachment_id": "30ed7ce1-b9eb-4c16-a1e7-144ac19a5f66",
                "name": "30ed7ce1-b9eb-4c16-a1e7-144ac19a5f66.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/30ed7ce1-b9eb-4c16-a1e7-144ac19a5f66.mp3",
                "size": 328365,
                "duration": 41040,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.957Z",
                "updated_at": "2023-11-14T18:02:53.451Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/30ed7ce1-b9eb-4c16-a1e7-144ac19a5f66.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/30ed7ce1-b9eb-4c16-a1e7-144ac19a5f66.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/30ed7ce1-b9eb-4c16-a1e7-144ac19a5f66.mp3"
            }
        },
        {
            "id": 630,
            "course_id": 18,
            "content": "970af726-b7ba-4a53-ab54-9954b8842edd.mp3",
            "category": "audio",
            "attachment_id": "970af726-b7ba-4a53-ab54-9954b8842edd",
            "order": 34,
            "duration": 36220,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:53.681Z",
            "attachment": {
                "id": 11813,
                "attachment_id": "970af726-b7ba-4a53-ab54-9954b8842edd",
                "name": "970af726-b7ba-4a53-ab54-9954b8842edd.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/970af726-b7ba-4a53-ab54-9954b8842edd.mp3",
                "size": 289773,
                "duration": 36220,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.958Z",
                "updated_at": "2023-11-14T18:02:53.676Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/970af726-b7ba-4a53-ab54-9954b8842edd.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/970af726-b7ba-4a53-ab54-9954b8842edd.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/970af726-b7ba-4a53-ab54-9954b8842edd.mp3"
            }
        },
        {
            "id": 631,
            "course_id": 18,
            "content": "\"Recognize that your own motivation, ambition and talents will determine your success more than the college name on your diploma.\"\n“请明白你自己的动机、雄心和才能将决定你的成功，而不是你毕业证书上的大学名称。”\n\n\"A good student can get a good education almost anywhere.\"\n\n“一个好学生几乎可以在任何地方获得良好的教育。”",
            "category": "text",
            "attachment_id": "",
            "order": 35,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": null
        },
        {
            "id": 632,
            "course_id": 18,
            "content": "0ac2205d-36e1-439a-af07-dc8cd76b3434.mp3",
            "category": "audio",
            "attachment_id": "0ac2205d-36e1-439a-af07-dc8cd76b3434",
            "order": 36,
            "duration": 16460,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:53.892Z",
            "attachment": {
                "id": 11814,
                "attachment_id": "0ac2205d-36e1-439a-af07-dc8cd76b3434",
                "name": "0ac2205d-36e1-439a-af07-dc8cd76b3434.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0ac2205d-36e1-439a-af07-dc8cd76b3434.mp3",
                "size": 131757,
                "duration": 16460,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.959Z",
                "updated_at": "2023-11-14T18:02:53.876Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0ac2205d-36e1-439a-af07-dc8cd76b3434.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0ac2205d-36e1-439a-af07-dc8cd76b3434.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0ac2205d-36e1-439a-af07-dc8cd76b3434.mp3"
            }
        },
        {
            "id": 633,
            "course_id": 18,
            "content": "6b386c92-8f7a-4368-b02b-175d7b6a3f30.mp3",
            "category": "audio",
            "attachment_id": "6b386c92-8f7a-4368-b02b-175d7b6a3f30",
            "order": 37,
            "duration": 56860,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:54.172Z",
            "attachment": {
                "id": 11815,
                "attachment_id": "6b386c92-8f7a-4368-b02b-175d7b6a3f30",
                "name": "6b386c92-8f7a-4368-b02b-175d7b6a3f30.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/6b386c92-8f7a-4368-b02b-175d7b6a3f30.mp3",
                "size": 454893,
                "duration": 56860,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.96Z",
                "updated_at": "2023-11-14T18:02:54.164Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/6b386c92-8f7a-4368-b02b-175d7b6a3f30.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/6b386c92-8f7a-4368-b02b-175d7b6a3f30.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/6b386c92-8f7a-4368-b02b-175d7b6a3f30.mp3"
            }
        },
        {
            "id": 634,
            "course_id": 18,
            "content": "7bbf817e-7ce1-48d2-8e4d-e78ae94bd097.png",
            "category": "image",
            "attachment_id": "7bbf817e-7ce1-48d2-8e4d-e78ae94bd097",
            "order": 38,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:47.97Z",
            "attachment": {
                "id": 11816,
                "attachment_id": "7bbf817e-7ce1-48d2-8e4d-e78ae94bd097",
                "name": "7bbf817e-7ce1-48d2-8e4d-e78ae94bd097.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7bbf817e-7ce1-48d2-8e4d-e78ae94bd097.png",
                "size": 41857,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.961Z",
                "updated_at": "2023-11-14T18:02:47.961Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7bbf817e-7ce1-48d2-8e4d-e78ae94bd097.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7bbf817e-7ce1-48d2-8e4d-e78ae94bd097.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7bbf817e-7ce1-48d2-8e4d-e78ae94bd097.png"
            }
        },
        {
            "id": 635,
            "course_id": 18,
            "content": "385ee4d8-ac22-422d-b909-f580c75b5680.mp3",
            "category": "audio",
            "attachment_id": "385ee4d8-ac22-422d-b909-f580c75b5680",
            "order": 39,
            "duration": 60050,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:54.408Z",
            "attachment": {
                "id": 11817,
                "attachment_id": "385ee4d8-ac22-422d-b909-f580c75b5680",
                "name": "385ee4d8-ac22-422d-b909-f580c75b5680.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/385ee4d8-ac22-422d-b909-f580c75b5680.mp3",
                "size": 480429,
                "duration": 60050,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.962Z",
                "updated_at": "2023-11-14T18:02:54.401Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/385ee4d8-ac22-422d-b909-f580c75b5680.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/385ee4d8-ac22-422d-b909-f580c75b5680.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/385ee4d8-ac22-422d-b909-f580c75b5680.mp3"
            }
        },
        {
            "id": 636,
            "course_id": 18,
            "content": "9b7763b3-7a9c-4be1-ba53-6b9fa87b030e.mp3",
            "category": "audio",
            "attachment_id": "9b7763b3-7a9c-4be1-ba53-6b9fa87b030e",
            "order": 40,
            "duration": 34510,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:54.616Z",
            "attachment": {
                "id": 11818,
                "attachment_id": "9b7763b3-7a9c-4be1-ba53-6b9fa87b030e",
                "name": "9b7763b3-7a9c-4be1-ba53-6b9fa87b030e.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9b7763b3-7a9c-4be1-ba53-6b9fa87b030e.mp3",
                "size": 276141,
                "duration": 34510,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.963Z",
                "updated_at": "2023-11-14T18:02:54.611Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9b7763b3-7a9c-4be1-ba53-6b9fa87b030e.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9b7763b3-7a9c-4be1-ba53-6b9fa87b030e.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9b7763b3-7a9c-4be1-ba53-6b9fa87b030e.mp3"
            }
        },
        {
            "id": 637,
            "course_id": 18,
            "content": "357fe351-519d-46c2-8b07-afa2ea57bea7.mp3",
            "category": "audio",
            "attachment_id": "357fe351-519d-46c2-8b07-afa2ea57bea7",
            "order": 41,
            "duration": 42620,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:54.832Z",
            "attachment": {
                "id": 11819,
                "attachment_id": "357fe351-519d-46c2-8b07-afa2ea57bea7",
                "name": "357fe351-519d-46c2-8b07-afa2ea57bea7.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/357fe351-519d-46c2-8b07-afa2ea57bea7.mp3",
                "size": 341037,
                "duration": 42620,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.963Z",
                "updated_at": "2023-11-14T18:02:54.823Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/357fe351-519d-46c2-8b07-afa2ea57bea7.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/357fe351-519d-46c2-8b07-afa2ea57bea7.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/357fe351-519d-46c2-8b07-afa2ea57bea7.mp3"
            }
        },
        {
            "id": 638,
            "course_id": 18,
            "content": "5be91f04-3e3a-4558-808a-bfe192710b3d.mp3",
            "category": "audio",
            "attachment_id": "5be91f04-3e3a-4558-808a-bfe192710b3d",
            "order": 42,
            "duration": 33000,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:55.068Z",
            "attachment": {
                "id": 11820,
                "attachment_id": "5be91f04-3e3a-4558-808a-bfe192710b3d",
                "name": "5be91f04-3e3a-4558-808a-bfe192710b3d.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/5be91f04-3e3a-4558-808a-bfe192710b3d.mp3",
                "size": 264045,
                "duration": 33000,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.964Z",
                "updated_at": "2023-11-14T18:02:55.061Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/5be91f04-3e3a-4558-808a-bfe192710b3d.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/5be91f04-3e3a-4558-808a-bfe192710b3d.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/5be91f04-3e3a-4558-808a-bfe192710b3d.mp3"
            }
        },
        {
            "id": 639,
            "course_id": 18,
            "content": "0577b839-66d5-47a9-8f1f-01e682191f65.mp3",
            "category": "audio",
            "attachment_id": "0577b839-66d5-47a9-8f1f-01e682191f65",
            "order": 43,
            "duration": 60050,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:55.311Z",
            "attachment": {
                "id": 11821,
                "attachment_id": "0577b839-66d5-47a9-8f1f-01e682191f65",
                "name": "0577b839-66d5-47a9-8f1f-01e682191f65.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0577b839-66d5-47a9-8f1f-01e682191f65.mp3",
                "size": 480429,
                "duration": 60050,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.965Z",
                "updated_at": "2023-11-14T18:02:55.306Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0577b839-66d5-47a9-8f1f-01e682191f65.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0577b839-66d5-47a9-8f1f-01e682191f65.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0577b839-66d5-47a9-8f1f-01e682191f65.mp3"
            }
        },
        {
            "id": 640,
            "course_id": 18,
            "content": "d4edc61f-9a5c-4f69-bbaf-0f3b0dfbb25a.mp3",
            "category": "audio",
            "attachment_id": "d4edc61f-9a5c-4f69-bbaf-0f3b0dfbb25a",
            "order": 44,
            "duration": 32810,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:55.523Z",
            "attachment": {
                "id": 11822,
                "attachment_id": "d4edc61f-9a5c-4f69-bbaf-0f3b0dfbb25a",
                "name": "d4edc61f-9a5c-4f69-bbaf-0f3b0dfbb25a.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/d4edc61f-9a5c-4f69-bbaf-0f3b0dfbb25a.mp3",
                "size": 262509,
                "duration": 32810,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.965Z",
                "updated_at": "2023-11-14T18:02:55.518Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/d4edc61f-9a5c-4f69-bbaf-0f3b0dfbb25a.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/d4edc61f-9a5c-4f69-bbaf-0f3b0dfbb25a.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/d4edc61f-9a5c-4f69-bbaf-0f3b0dfbb25a.mp3"
            }
        },
        {
            "id": 641,
            "course_id": 18,
            "content": "57ce648a-43ec-41e3-8b9a-a8cfb982f904.mp3",
            "category": "audio",
            "attachment_id": "57ce648a-43ec-41e3-8b9a-a8cfb982f904",
            "order": 45,
            "duration": 53880,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:55.725Z",
            "attachment": {
                "id": 11823,
                "attachment_id": "57ce648a-43ec-41e3-8b9a-a8cfb982f904",
                "name": "57ce648a-43ec-41e3-8b9a-a8cfb982f904.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/57ce648a-43ec-41e3-8b9a-a8cfb982f904.mp3",
                "size": 431085,
                "duration": 53880,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.966Z",
                "updated_at": "2023-11-14T18:02:55.72Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/57ce648a-43ec-41e3-8b9a-a8cfb982f904.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/57ce648a-43ec-41e3-8b9a-a8cfb982f904.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/57ce648a-43ec-41e3-8b9a-a8cfb982f904.mp3"
            }
        },
        {
            "id": 642,
            "course_id": 18,
            "content": "65017c0e-0f24-4857-ab03-c5fd18c1274a.mp3",
            "category": "audio",
            "attachment_id": "65017c0e-0f24-4857-ab03-c5fd18c1274a",
            "order": 46,
            "duration": 58080,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:55.953Z",
            "attachment": {
                "id": 11824,
                "attachment_id": "65017c0e-0f24-4857-ab03-c5fd18c1274a",
                "name": "65017c0e-0f24-4857-ab03-c5fd18c1274a.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/65017c0e-0f24-4857-ab03-c5fd18c1274a.mp3",
                "size": 464685,
                "duration": 58080,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.967Z",
                "updated_at": "2023-11-14T18:02:55.946Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/65017c0e-0f24-4857-ab03-c5fd18c1274a.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/65017c0e-0f24-4857-ab03-c5fd18c1274a.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/65017c0e-0f24-4857-ab03-c5fd18c1274a.mp3"
            }
        },
        {
            "id": 643,
            "course_id": 18,
            "content": "23a8b18c-6023-48c9-b3c8-de8a92b4c9ef.mp3",
            "category": "audio",
            "attachment_id": "23a8b18c-6023-48c9-b3c8-de8a92b4c9ef",
            "order": 47,
            "duration": 41210,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:56.156Z",
            "attachment": {
                "id": 11825,
                "attachment_id": "23a8b18c-6023-48c9-b3c8-de8a92b4c9ef",
                "name": "23a8b18c-6023-48c9-b3c8-de8a92b4c9ef.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/23a8b18c-6023-48c9-b3c8-de8a92b4c9ef.mp3",
                "size": 329709,
                "duration": 41210,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.968Z",
                "updated_at": "2023-11-14T18:02:56.15Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/23a8b18c-6023-48c9-b3c8-de8a92b4c9ef.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/23a8b18c-6023-48c9-b3c8-de8a92b4c9ef.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/23a8b18c-6023-48c9-b3c8-de8a92b4c9ef.mp3"
            }
        },
        {
            "id": 644,
            "course_id": 18,
            "content": "06affcfa-4900-4586-9039-a205900b14e1.mp3",
            "category": "audio",
            "attachment_id": "06affcfa-4900-4586-9039-a205900b14e1",
            "order": 48,
            "duration": 39190,
            "created_at": "2023-11-14T18:02:47.97Z",
            "updated_at": "2023-11-14T18:02:56.365Z",
            "attachment": {
                "id": 11826,
                "attachment_id": "06affcfa-4900-4586-9039-a205900b14e1",
                "name": "06affcfa-4900-4586-9039-a205900b14e1.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/06affcfa-4900-4586-9039-a205900b14e1.mp3",
                "size": 313581,
                "duration": 39190,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:02:47.969Z",
                "updated_at": "2023-11-14T18:02:56.359Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/06affcfa-4900-4586-9039-a205900b14e1.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/06affcfa-4900-4586-9039-a205900b14e1.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/06affcfa-4900-4586-9039-a205900b14e1.mp3"
            }
        }
    ]
}