diff --git a/lib/util.py b/lib/util.py
index e564ac2..458a77f 100644
--- a/lib/util.py
+++ b/lib/util.py
@@ -10,9 +10,6 @@ from email.mime.multipart import MIMEMultipart
 from email.header import Header
 from email.mime.text import MIMEText
 from email.mime.application import MIMEApplication
-from odps import ODPS
-import pandas as pd
-import random
 
 
 # 时间字符串转时间戳