diff --git a/lib/utils.py b/lib/utils.py
index 260a980..aeebc0d 100644
--- a/lib/utils.py
+++ b/lib/utils.py
@@ -35,7 +35,7 @@ def connection(username,password):
         except:
             return ('账号或密码错误', 422)
         r = s.get(url='http://mysso-cust-edu-cn-s.webvpn.cust.edu.cn:8118/cas/login?service=http://'+ip[0]+'.'+ip[1]+'.'+ip[2]+'.'+ip[3]+':8080/welcome',allow_redirects=False)
-        ticket = r.headers['Location'][68:]
+        ticket = r.headers['Location'][72:]
         asp_net_sessionid_param = {'Ticket':ticket,'Url':'http://'+ip[0]+'.'+ip[1]+'.'+ip[2]+'.'+ip[3]+':8080/welcome'}
         asp_net_sessionid_param = base64.b64encode(quote(json.dumps(asp_net_sessionid_param)).encode('utf-8')).decode('utf-8')
         asp_net_sessionid_param = {'param':asp_net_sessionid_param}
@@ -61,7 +61,7 @@ def signCode(code):
 # 生成唯一不重名字符串
 def randomId():
     nowTime = datetime.datetime.now().strftime("%Y%m%d%H%M%S")  # 生成当前时间
-    randomNum = random.randint(0, 100)  # 生成的随机整数n，其中0<=n<=100
+    randomNum = random.randint(0, 99)  # 生成的随机整数n，其中0<=n<=100
     if randomNum <= 10:
         randomNum = str(0) + str(randomNum)
     uniqueNum = str(nowTime) + str(randomNum)