diff --git a/lib/crawler.py b/lib/crawler.py
index 6a80965..24b6f3e 100644
--- a/lib/crawler.py
+++ b/lib/crawler.py
@@ -53,8 +53,10 @@ class Crawler(object):
             r = self.__session.get(
                 url='http://portal-cust-edu-cn-s.webvpn.cust.edu.cn:8118/custp/index')
             soup = BeautifulSoup(r.text, 'html.parser')
-            if soup.findAll(name='a')[-2]['href'] != 'logout':
-                return ('账号或者密码错误', 510)
+            try:
+                soup.findAll(name='a')[-2]['href']
+            except Exception as e:
+                return ('账号或者密码错误', 510)                
             r = self.__session.get(
                 url='http://mysso-cust-edu-cn-s.webvpn.cust.edu.cn:8118/cas/login?service=http://jwgls1.cust.edu.cn:8080/welcome', allow_redirects=False)
             ticket = r.headers['Location'][72:]
@@ -87,7 +89,6 @@ class Crawler(object):
             headers=headers
         )
         data = json.loads(r.content.decode('utf-8'))
-        print(data)
         if data['state'] != 0:
             return ('教务挂了', 512)
         # 分解数据并重命名
diff --git a/lib/crawler_test.py b/lib/crawler_test.py
index 3cbc6eb..428b718 100644
--- a/lib/crawler_test.py
+++ b/lib/crawler_test.py
@@ -19,7 +19,6 @@ class TestCrawler(unittest.TestCase):
 	# 测试返回信息
 	def test_getData(self):
 		get_res = c.getData()
-		print(get_res)
 		self.assertEqual(get_res[-1], 200)
 
 if __name__ == '__main__':