diff --git a/src/org/redkale/net/http/HttpRequest.java b/src/org/redkale/net/http/HttpRequest.java
index 7f6e4c29e..5d3ed4b37 100644
--- a/src/org/redkale/net/http/HttpRequest.java
+++ b/src/org/redkale/net/http/HttpRequest.java
@@ -244,6 +244,7 @@ public class HttpRequest extends Request<HttpContext> {
     /**
      * 获取请求内容指定的编码字符串
      *
+     * @param charset 编码
      * @return
      */
     public String getBody(final Charset charset) {