diff --git a/cat/lib/huya.js b/cat/lib/huya.js
new file mode 100644
index 0000000..2c3d9d6
--- /dev/null
+++ b/cat/lib/huya.js
@@ -0,0 +1,65 @@
+import './crypto-js.js'
+import './uri.min.js'
+
+/**
+ * 虎牙 js 本地代理
+ * 周星星,proxy://js_proxy?js=../js/huya.js&id=11342412
+ */
+
+function decode_live_url_info(anticode) {
+	const query = new Uri(`?${anticode}`)
+	const fm = base64Decode(query.getQueryParamValue("fm"))
+	return {
+		hash_prefix: fm.split('_')[0],
+		uuid: query.getQueryParamValue("uuid") || '',
+		ctype: query.getQueryParamValue("ctype") || '',
+		txyp: query.getQueryParamValue("txyp") || '',
+		fs: query.getQueryParamValue("fs") || '',
+		t: query.getQueryParamValue("t") || '',
+	}
+}
+
+function get_live_url_info(roomId) {
+	const text = http.get(`https://www.huya.com/${roomId}`, {
+		headers: {
+			'Content-Type': 'application/x-www-form-urlencoded',
+			'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36'
+		}
+	}).text()
+	const streamInfo = text.match(/stream: ([\s\S]*?)\n/g)?.[0] ?? text.match(/"stream": "([\s\S]*?)"/g)?.[0]
+	if (!streamInfo) return null
+	const liveData = JSON.parse(text.match(/stream: ([\s\S]*?)\n/g)?.[0].substring('stream:'.length).trim())
+	const live_url_infos = {}
+	liveData.data[0].gameStreamInfoList.forEach(streamInfo => {
+		let live_url_info = {}
+		const sCdnType = streamInfo['sCdnType']
+		live_url_info['stream_name'] = streamInfo['sStreamName']
+		live_url_info['base_url'] = streamInfo['sHlsUrl']
+		live_url_info['hls_url'] = `${streamInfo['sHlsUrl']}/${streamInfo['sStreamName']}.${streamInfo['sHlsUrlSuffix']}`
+		live_url_infos[sCdnType] = { ...live_url_info, ...decode_live_url_info(streamInfo['sHlsAntiCode']) }
+	})
+	return live_url_infos
+}
+
+function getRealUrl(roomId, userId = 1463993859134, cnd = 'AL', ratio = '') {
+	let urls = []
+	let seqid = (new Date().getTime() + userId).toString();
+	let wsTime = (Math.floor(Date.now() / 1000) + 3600).toString(16);
+	const liveUrlInfos = get_live_url_info(roomId)
+	if (!liveUrlInfos) return null
+	const liveUrlInfo = liveUrlInfos[cnd] || Object.values(liveUrlInfos)[0]
+	if (!liveUrlInfo) return null
+	let hash0 = CryptoJS.MD5(`${seqid}|${liveUrlInfo.ctype}|${liveUrlInfo.t}`)
+	let hash1 = CryptoJS.MD5(`${liveUrlInfo.hash_prefix}_${userId}_${liveUrlInfo.stream_name}_${hash0}_${wsTime}`)
+	let url = '';
+	if (liveUrlInfo.ctype.includes('mobile')) {
+		return `${liveUrlInfo.hls_url}?wsSecret=${hash1}&wsTime=${wsTime}&uuid=${liveUrlInfo.uuid}&uid=${userId}&seqid=${seqid}&ratio=${ratio}&txyp=${liveUrlInfo.txyp}&fs=${liveUrlInfo.fs}&ctype=${liveUrlInfo.ctype}&ver=1&t=${liveUrlInfo.t}`;
+	} else {
+		return `${liveUrlInfo.hls_url}?wsSecret=${hash1}&wsTime=${wsTime}&seqid=${seqid}&ctype=${liveUrlInfo.ctype}&ver=1&txyp=${liveUrlInfo.txyp}&fs=${liveUrlInfo.fs}&ratio=${ratio}&u=${userId}&t=${liveUrlInfo.t}&sv=2107230339`;
+	}
+}
+
+export default function huya_proxy(params) {
+	const url = getRealUrl(params.id)
+	return url ? [302, "", "", { Location: url, Status: "302 Found" }] : [404, '', '']
+}
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