diff --git a/searx/engines/twitter.py b/searx/engines/twitter.py
index efe2e9332..7ea9edef8 100644
--- a/searx/engines/twitter.py
+++ b/searx/engines/twitter.py
@@ -5,6 +5,7 @@
 from json import loads
 from urllib.parse import urlencode
 from datetime import datetime
+from datetime import timedelta
 
 about = {
     "website": 'https://twitter.com',
@@ -31,19 +32,24 @@ def request(query, params):
 
     if params['time_range'] in time_range_dict:
         # 计算截止时间
-        today = datetime.datetime.today()
+        today = datetime.today()
         if params['time_range'] == 'day':
-            until_date = today - datetime.timedelta(days=1)
+            until_date = today - timedelta(days=1)
         elif params['time_range'] == 'week':
-            until_date = today - datetime.timedelta(weeks=1)
+            until_date = today - timedelta(weeks=1)
         elif params['time_range'] == 'month':
-            until_date = today - datetime.timedelta(days=30)
+            until_date = today - timedelta(days=30)
         elif params['time_range'] == 'year':
-            until_date = today - datetime.timedelta(days=365)
+            until_date = today - timedelta(days=365)
     
         # 将截止时间格式化为字符串
         until_str = until_date.strftime('%Y-%m-%d')
         query += ' since:' + until_str
+    else:
+        until_date = today - timedelta(weeks=1)
+        until_str = until_date.strftime('%Y-%m-%d')
+        query += ' since:' + until_str
+
 
     params['url'] = search_url.format(url=url, query=urlencode({'q': query}))