diff --git a/README.md b/README.md
index c600773..9986c01 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,8 @@ nginx安装路径假设为:/usr/local/nginx/conf/
         --是否拦截post攻击
         whiteModule = "on" 
         --是否开启URL白名单
+        fileExtension={"jpeg","gif","jpg","png","bmp","rar","zip","tar.gz"}
+        --填写可上传文件后缀类型
         ipWhitelist={"127.0.0.1"}
         --ip白名单，多个ip用逗号分隔
         ipBlocklist={"1.0.0.1"}