diff --git a/app/plugins/doubansync/__init__.py b/app/plugins/doubansync/__init__.py
index 9bdb17b9..9a8a1ed7 100644
--- a/app/plugins/doubansync/__init__.py
+++ b/app/plugins/doubansync/__init__.py
@@ -1,3 +1,4 @@
+import datetime
 from pathlib import Path
 from threading import Lock
 from typing import Optional, Any, List, Dict, Tuple
@@ -278,7 +279,12 @@ class DoubanSync(_PluginBase):
                     continue
                 if not result.get("link"):
                     continue
-                # TODO 判断是否在天数范围
+                # 判断是否在天数范围
+                pubdate: Optional[datetime.datetime] = result.get("pubdate")
+                if pubdate:
+                    if (datetime.datetime.now() - pubdate).days > self._days:
+                        logger.info(f'已超过同步天数，标题：{title}，发布时间：{pubdate}')
+                        continue
                 douban_id = result.get("link", "").split("/")[-2]
                 if not douban_id or douban_id in caches:
                     continue
diff --git a/app/utils/string.py b/app/utils/string.py
index f49f587a..67f9a384 100644
--- a/app/utils/string.py
+++ b/app/utils/string.py
@@ -287,7 +287,7 @@ class StringUtils:
         return random_str
 
     @staticmethod
-    def get_time(date: Any) -> datetime:
+    def get_time(date: Any) -> Optional[datetime.datetime]:
         try:
             return dateutil.parser.parse(date)
         except dateutil.parser.ParserError: