diff --git a/apps/jfile/app.py b/apps/jfile/app.py
index 052dd83..ca9ab8e 100644
--- a/apps/jfile/app.py
+++ b/apps/jfile/app.py
@@ -53,7 +53,8 @@ app.mount("/files", StaticFiles(directory="files"), name="files")
 # 注册文件定时清理任务
 save_dir = "files"
 retention_hours = settings.file_retention_hours
-cleaner = FileCleaner(save_dir, retention_hours)
+cleanup_interval = settings.cleanup_interval_seconds
+cleaner = FileCleaner(save_dir, retention_hours, cleanup_interval)
 
 @app.on_event("startup")
 async def startup_event():
diff --git a/apps/jfile/file_cleaner.py b/apps/jfile/file_cleaner.py
index f366b38..292b5f7 100644
--- a/apps/jfile/file_cleaner.py
+++ b/apps/jfile/file_cleaner.py
@@ -3,9 +3,10 @@ import asyncio
 from datetime import datetime, timedelta
 
 class FileCleaner:
-    def __init__(self, target_dir, retention_hours):
+    def __init__(self, target_dir, retention_hours, cleanup_interval_seconds=3600):
         self.target_dir = target_dir
         self.retention_hours = retention_hours
+        self.cleanup_interval_seconds = cleanup_interval_seconds
 
     async def periodic_cleanup(self):
         while True:
@@ -13,7 +14,7 @@ class FileCleaner:
                 self.cleanup_old_files()
             except Exception as e:
                 print(f"清理文件时出错: {str(e)}")
-            await asyncio.sleep(3600)
+            await asyncio.sleep(self.cleanup_interval_seconds)
 
     def cleanup_old_files(self):
         if not os.path.exists(self.target_dir):
diff --git a/apps/jfile/settings.py b/apps/jfile/settings.py
index e10a668..8dc54bf 100644
--- a/apps/jfile/settings.py
+++ b/apps/jfile/settings.py
@@ -11,7 +11,10 @@ class Settings(BaseSettings):
     download_url: str = "https://api.jingrow.com/files"
 
     # 文件保留时间（小时）
-    file_retention_hours: int = 1
+    file_retention_hours: float = 0.25  # 15分钟
+    
+    # 清理任务执行间隔（秒）
+    cleanup_interval_seconds: int = 900  # 15分钟
 
 
     class Config: