diff --git a/utils/templatetags/contest.py b/utils/templatetags/contest.py
index 818d7f6..04b144f 100644
--- a/utils/templatetags/contest.py
+++ b/utils/templatetags/contest.py
@@ -1,22 +1,20 @@
 # coding=utf-8
 import datetime
-from django.utils.timezone import localtime
+from django.utils.timezone import now
 
 
 def get_contest_status(contest):
-    now = datetime.datetime.now()
-    if localtime(contest.start_time).replace(tzinfo=None) > now:
+    if contest.start_time > now():
         return "没有开始"
-    if localtime(contest.end_time).replace(tzinfo=None) < now:
+    if contest.end_time < now():
         return "已经结束"
     return "正在进行"
 
 
 def get_contest_status_color(contest):
-    now = datetime.datetime.now()
-    if localtime(contest.start_time).replace(tzinfo=None) > now:
+    if contest.start_time > now():
         return "info"
-    if localtime(contest.end_time).replace(tzinfo=None) < now:
+    if contest.end_time < now():
         return "warning"
     return "success"