diff --git a/douyu.py b/douyu.py
index 8942b1d..272dda6 100644
--- a/douyu.py
+++ b/douyu.py
@@ -1,10 +1,10 @@
 # 获取斗鱼直播间的真实流媒体地址，默认最高画质。
-
-import requests
-import re
-import execjs
-import time
 import hashlib
+import re
+import time
+
+import execjs
+import requests
 
 
 class DouYu:
@@ -72,29 +72,49 @@ class DouYu:
 
         return key
 
+    def get_pc_js(self, cdn='ws-h5', rate=0):
+        """
+        通过PC网页端的接口获取完整直播源。
+        :param cdn: 主线路ws-h5、备用线路tct-h5
+        :param rate: 1流畅；2高清；3超清；4蓝光4M；0蓝光8M或10M
+        :return: JSON格式
+        """
+        res = self.s.get('https://www.douyu.com/' + str(self.rid)).text
+        result = re.search(r'(vdwdae325w_64we[\s\S]*function ub98484234[\s\S]*?)function', res).group(1)
+        func_ub9 = re.sub(r'eval.*?;}', 'strc;}', result)
+        js = execjs.compile(func_ub9)
+        res = js.call('ub98484234')
+
+        v = re.search(r'v=(\d+)', res).group(1)
+        rb = DouYu.md5(self.rid + self.did + self.t10 + v)
+
+        func_sign = re.sub(r'return rt;}\);?', 'return rt;}', res)
+        func_sign = func_sign.replace('(function (', 'function sign(')
+        func_sign = func_sign.replace('CryptoJS.MD5(cb).toString()', '"' + rb + '"')
+
+        js = execjs.compile(func_sign)
+        params = js.call('sign', self.rid, self.did, self.t10)
+
+        params += '&cdn={}&rate={}'.format(cdn, rate)
+        url = 'https://www.douyu.com/lapi/live/getH5Play/{}'.format(self.rid)
+        res = self.s.post(url, params=params).json()
+
+        return res
+
     def get_real_url(self):
         error, key = self.get_pre()
         if error == 0:
-            raise Exception('未知错误')
+            pass
         elif error == 102:
             raise Exception('房间不存在')
         elif error == 104:
             raise Exception('房间未开播')
         else:
             key = self.get_js()
-
         return "http://tx2play1.douyucdn.cn/live/{}.flv?uuid=".format(key)
 
 
-def get_real_url(rid):
-    try:
-        dy = DouYu(rid)
-        return dy.get_real_url()
-    except Exception as e:
-        print('Exception：', e)
-        return False
-
-
 if __name__ == '__main__':
     r = input('输入斗鱼直播间号：\n')
-    print(get_real_url(r))
+    s = DouYu(r)
+    print(s.get_real_url())