diff --git a/api/dingding.py b/api/dingding.py
index 9393607..5c0193e 100644
--- a/api/dingding.py
+++ b/api/dingding.py
@@ -8,12 +8,19 @@
 import requests
 import json
 import sys
-import os
-import datetime
-import sys
+import time,hmac,base64,hashlib,urllib.parse
+
+
 headers = {'Content-Type': 'application/json;charset=utf-8'}
 # 需要修改，钉钉群助手中获取
-api_url = ""
+timestamp = str(round(time.time() * 1000))
+secret = 'SECf3aa0ec68151d6a0599d8d9db4fa40afa5341c358d53af717eb924f0fa29ee5f'
+secret_enc = secret.encode('utf-8')
+string_to_sign = '{}\n{}'.format(timestamp, secret)
+string_to_sign_enc = string_to_sign.encode('utf-8')
+hmac_code = hmac.new(secret_enc, string_to_sign_enc, digestmod=hashlib.sha256).digest()
+sign = urllib.parse.quote_plus(base64.b64encode(hmac_code))
+api_url = f"https://oapi.dingtalk.com/robot/send?access_token=abdec0db67d1ca355b547711f822e0bb60929295cd3c42c1e4c89c7f24b4872e&timestamp={timestamp}&sign={sign}"
 def msg(text):
     json_text= {
      "msgtype": "text",
@@ -27,6 +34,6 @@ def msg(text):
             "content": text
         }
     }
-    print(requests.post(api_url,json.dumps(json_text),headers=headers).content)
+    print(requests.post(api_url,json.dumps(json_text),headers=headers).content.decode())
 
-msg(sys.argv[1]+'\n'+sys.argv[2]+'\n'+sys.argv[3])
+msg('\n'+sys.argv[1])
\ No newline at end of file