diff --git a/src/main/java/cn/chjyj/szwh/xss/XssFilter.java b/src/main/java/cn/chjyj/szwh/xss/XssFilter.java
index fd898cc..2cf6f86 100644
--- a/src/main/java/cn/chjyj/szwh/xss/XssFilter.java
+++ b/src/main/java/cn/chjyj/szwh/xss/XssFilter.java
@@ -1,11 +1,3 @@
-/**
- * Copyright (c) 2016-2019 人人开源 All rights reserved.
- *
- * https://www.renren.io
- *
- * 版权所有，侵权必究！
- */
-
 package cn.chjyj.szwh.xss;
 
 import javax.servlet.*;
@@ -14,8 +6,6 @@ import java.io.IOException;
 
 /**
  * XSS过滤
- *
- * @author Mark sunlightcs@gmail.com
  */
 public class XssFilter implements Filter {
 
@@ -23,6 +13,14 @@ public class XssFilter implements Filter {
 	public void init(FilterConfig config) throws ServletException {
 	}
 
+	/**
+	 * 过滤请求中的有害字符串
+	 * @param request
+	 * @param response
+	 * @param chain
+	 * @throws IOException
+	 * @throws ServletException
+	 */
 	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
             throws IOException, ServletException {
 		XssHttpServletRequestWrapper xssRequest = new XssHttpServletRequestWrapper(