diff --git a/readme.md b/readme.md
index e85f7c8..2bf24c6 100644
--- a/readme.md
+++ b/readme.md
@@ -112,8 +112,8 @@ ERROR_MINUTE=10
 UPLOAD_COUNT=60
 # 上传限制分钟数
 UPLOAD_MINUTE=1
-# 删除过期文件的间隔（秒）
-DELETE_EXPIRE_FILES_INTERVAL=60
+# 删除过期文件的间隔（分钟）
+DELETE_EXPIRE_FILES_INTERVAL=10
 # 管理地址
 ADMIN_ADDRESS=admin
 # 管理密码
diff --git a/readme_en.md b/readme_en.md
index ed02f7e..ff910f0 100644
--- a/readme_en.md
+++ b/readme_en.md
@@ -121,8 +121,8 @@ ERROR_MINUTE=10
 UPLOAD_COUNT=60
 # 上传限制分钟数
 UPLOAD_MINUTE=1
-# 删除过期文件的间隔（秒）
-DELETE_EXPIRE_FILES_INTERVAL=60
+# 删除过期文件的间隔（分钟）
+DELETE_EXPIRE_FILES_INTERVAL=10
 # 管理地址
 ADMIN_ADDRESS=admin
 # 管理密码
diff --git a/settings.py b/settings.py
index 80b3111..929de26 100644
--- a/settings.py
+++ b/settings.py
@@ -27,8 +27,8 @@ ERROR_MINUTE = config('ERROR_MINUTE', cast=int, default=10)
 UPLOAD_COUNT = config('UPLOAD_COUNT', cast=int, default=60)
 # 上传限制分钟数
 UPLOAD_MINUTE = config('UPLOAD_MINUTE', cast=int, default=1)
-# 删除过期文件的间隔（秒）
-DELETE_EXPIRE_FILES_INTERVAL = config('DELETE_EXPIRE_FILES_INTERVAL', cast=int, default=10)
+# 删除过期文件的间隔（分钟）
+DELETE_EXPIRE_FILES_INTERVAL = 60 * config('DELETE_EXPIRE_FILES_INTERVAL', cast=int, default=10)
 # 管理地址
 ADMIN_ADDRESS = config('ADMIN_ADDRESS', cast=str, default="admin")
 # 管理密码