diff --git a/rsshub/spiders/chouti/search.py b/rsshub/spiders/chouti/search.py
index dca1f01..c70ab6d 100644
--- a/rsshub/spiders/chouti/search.py
+++ b/rsshub/spiders/chouti/search.py
@@ -1,5 +1,6 @@
 import re
 import requests
+import arrow
 from rsshub.utils import DEFAULT_HEADERS
 
 domain = 'https://dig.chouti.com'
@@ -11,7 +12,7 @@ def parse(post):
     chouti_link = domain + '/link/' + str(post['id'])
     item['description'] = post['title']  + '<br /> <br />'  + f'<a href="{chouti_link}" target="_blank">抽屉链接</a>'
     item['link'] = post['originalUrl']
-    item['pubDate'] = str(post['created_time'])[0:10]
+    item['pubDate'] = arrow.get(post['created_time']).isoformat()
     item['author'] = post['submitted_user']['nick']
     return item 
 
diff --git a/rsshub/spiders/chouti/section.py b/rsshub/spiders/chouti/section.py
index a50bb11..a926c67 100644
--- a/rsshub/spiders/chouti/section.py
+++ b/rsshub/spiders/chouti/section.py
@@ -1,5 +1,6 @@
 import re
 import requests
+import arrow
 from rsshub.utils import DEFAULT_HEADERS
 
 domain = 'https://dig.chouti.com'
@@ -10,7 +11,7 @@ def parse(post):
     chouti_link = domain + '/link/' + str(post['id'])
     item['description'] = post['title']  + '<br /> <br />'  + f'<a href="{chouti_link}" target="_blank">抽屉链接</a>'
     item['link'] = post['originalUrl']
-    item['pubDate'] = str(post['created_time'])[0:10]
+    item['pubDate'] = arrow.get(post['created_time']).isoformat()
     item['author'] = post['submitted_user']['nick']
     return item 
 
diff --git a/rsshub/spiders/chouti/user.py b/rsshub/spiders/chouti/user.py
index 70b9a8b..1af4f79 100644
--- a/rsshub/spiders/chouti/user.py
+++ b/rsshub/spiders/chouti/user.py
@@ -1,5 +1,6 @@
 import re
 import requests
+import arrow
 from rsshub.utils import DEFAULT_HEADERS
 
 domain = 'https://dig.chouti.com'
@@ -11,7 +12,7 @@ def parse(post):
     chouti_link = domain + '/link/' + str(post['id'])
     item['description'] = post['title']  + '<br /> <br />'  + f'<a href="{chouti_link}" target="_blank">抽屉链接</a>'
     item['link'] = post['originalUrl']
-    item['pubDate'] = str(post['created_time'])[0:10]
+    item['pubDate'] = arrow.get(post['created_time']).isoformat()
     item['author'] = post['submitted_user']['nick']
     return item