diff --git a/zhihu/do_login.py b/zhihu/do_login.py
deleted file mode 100755
index 77d36a4..0000000
--- a/zhihu/do_login.py
+++ /dev/null
@@ -1,47 +0,0 @@
-# -*- coding:utf-8 -*-
-# python-version: 3.51
-
-import requests
-from bs4 import BeautifulSoup
-
-# 知乎登陆的时候并没有在前台做过多的加密，只是每次捕捉了它的xsrf就行了，和csdn的模拟登陆一样
-session = requests.session()
-
-# 要提交的参数
-headers = {
-    "User-Agent": ("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/602.4.8 (KHTML, like Gecko) "
-                   "Version/10.0.3 Safari/602.4.8"),
-    "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
-    "Host": 'www.zhihu.com',
-    'Accept-Language': 'zh-cn',
-    "Accept-Encoding": 'gzip, deflate',
-    'Cache-Control': 'max-age=0',
-    'Upgrade-Insecure-Requests': '1'
-}
-
-# 从原始界面拿到 _xsrf,第一次post
-get_url = 'https://www.zhihu.com/#signin'
-
-phone_num = input('请输入你的用户名')
-password = input('请输入你的密码')
-remember_me = 'true'
-
-xsrf_url = session.get(get_url, headers=headers).text
-
-soup_one = BeautifulSoup(xsrf_url, 'html.parser')
-xsrf = soup_one.body.find('div', {'class': 'index-main'}).find('div', {'class': 'index-main-body'}).form.find('input', {
-    'name': '_xsrf'}).attrs['value']
-
-post_data1 = {
-    'phone_num': phone_num,
-    'password': password,
-    'remember_me': remember_me,
-    '_xsrf': xsrf
-}
-
-r = session.post('https://www.zhihu.com/login/phone_num', data=post_data1, headers=headers)
-
-if r.status_code == 200:
-    print('模拟登陆成功')
-else:
-    print('模拟登陆失败')
diff --git a/zhihu/zhihu.py b/zhihu/zhihu.py
new file mode 100755
index 0000000..6c6025b
--- /dev/null
+++ b/zhihu/zhihu.py
@@ -0,0 +1,77 @@
+import  requests , time
+import  hmac ,json
+from bs4 import BeautifulSoup
+from hashlib import sha1
+ """
+ info:
+ author:CriseLYJ
+ github:https://github.com/CriseLYJ/
+ update_time:2019-3-6
+ """
+ 
+def get_captcha(data,need_cap):
+    ''' 处理验证码 '''
+    if need_cap is False:
+        return
+    with open('captcha.gif','wb') as fb:
+        fb.write(data)
+    return input('captcha:')
+    
+def get_signature(grantType,clientId,source,timestamp):
+    ''' 处理签名 '''
+    
+    hm = hmac.new(b'd1b964811afb40118a12068ff74a12f4',None,sha1)
+    hm.update(str.encode(grantType))
+    hm.update(str.encode(clientId))
+    hm.update(str.encode(source))
+    hm.update(str.encode(timestamp))
+ 
+    return  str(hm.hexdigest())
+ 
+ 
+ 
+def login(username,password,oncaptcha,sessiona,headers):
+    ''' 处理登录 '''
+    
+    resp1 = sessiona.get('https://www.zhihu.com/signin',headers=headers)  # 拿cookie:_xsrf
+    resp2 = sessiona.get('https://www.zhihu.com/api/v3/oauth/captcha?lang=cn',headers=headers)  # 拿cookie:capsion_ticket 
+    need_cap = json.loads(resp2.text)["show_captcha"]  # {"show_captcha":false} 表示不用验证码
+ 
+    grantType = 'password'
+    clientId = 'c3cef7c66a1843f8b3a9e6a1e3160e20'
+    source ='com.zhihu.web'
+    timestamp = str((time.time()*1000)).split('.')[0]  # 签名只按这个时间戳变化
+       
+    captcha_content = sessiona.get('https://www.zhihu.com/captcha.gif?r=%d&type=login'%(time.time()*1000),headers=headers).content
+    
+    data = {
+        "client_id":clientId,
+        "grant_type":grantType,
+        "timestamp":timestamp,
+        "source":source,
+        "signature": get_signature(grantType,clientId,source,timestamp), # 获取签名
+        "username":username,
+        "password":password,
+        "lang":"cn",
+        "captcha":oncaptcha(captcha_content,need_cap), # 获取图片验证码
+        "ref_source":"other_",
+        "utm_source":""
+    }
+    
+    print("**2**: "+str(data))
+    print("-"*50)
+    resp = sessiona.post('https://www.zhihu.com/api/v3/oauth/sign_in',data,headers=headers).content
+    print(BeautifulSoup(resp,'html.parser'))
+    
+    print("-"*50)
+    return resp 
+ 
+if __name__ == "__main__":
+    sessiona = requests.Session()
+    headers = {'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0','authorization':'oauth c3cef7c66a1843f8b3a9e6a1e3160e20'}
+    # 用户名密码换自己的就好了
+    phone_num = input('请输入你的用户名')
+    password = input('请输入你的密码')
+    login(phone_num, password,get_captcha,sessiona,headers) 
+    resp = sessiona.get('https://www.zhihu.com/inbox',headers=headers)  # 登录进去了，可以看私信了
+    print(BeautifulSoup(resp.content ,'html.parser'))