谁能帮我看下这个网站要怎么爬

http://www.zejiri.net/jiehunzeri.html

我用 postman 发现返回的是

<script>alert('服务器繁忙，请稍后再试！');window.location.href='http://www.zejiri.net'</script>

试了带 cookie 和 header 好像也不行，哪里不对吗？ 附上 postman 配置 json

{
	"variables": [],
	"info": {
		"name": "test",
		"_postman_id": "59b689a7-bb8a-1aba-5d4f-f5fc2a6a745f",
		"description": "",
		"schema": "https://schema.getpostman.com/json/collection/v2.0.0/collection.json"
	},
	"item": [
		{
			"name": "http://www.zejiri.net/jiehun.aspx",
			"request": {
				"url": "http://www.zejiri.net/jiehun.aspx",
				"method": "POST",
				"header": [
					{
						"key": "User-Agent",
						"value": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36",
						"description": ""
					},
					{
						"key": "Upgrade-Insecure-Requests",
						"value": "1",
						"description": ""
					},
					{
						"key": "Cookie",
						"value": "safedog-flow-item=4EDD2CE8C213FD7DB9AEA5F83A3ED6C0; AJSTAT_ok_pages=3; AJSTAT_ok_times=2",
						"description": ""
					},
					{
						"key": "Content-Type",
						"value": "application/x-www-form-urlencoded",
						"description": ""
					},
					{
						"key": "Origin",
						"value": "http://www.zejiri.net",
						"description": ""
					},
					{
						"key": "Host",
						"value": "www.zejiri.net",
						"description": ""
					},
					{
						"key": "Accept",
						"value": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
						"description": ""
					},
					{
						"key": "Proxy-Connection",
						"value": "keep-alive",
						"description": ""
					}
				],
				"body": {
					"mode": "urlencoded",
					"urlencoded": [
						{
							"key": "",
							"value": "",
							"type": "text",
							"enabled": true
						}
					]
				},
				"description": ""
			},
			"response": []
		}
	]
}