diff --git a/src/org/redkale/convert/ext/URISimpledCoder.java b/src/org/redkale/convert/ext/URISimpledCoder.java
index 05daf0f74..cb068997a 100644
--- a/src/org/redkale/convert/ext/URISimpledCoder.java
+++ b/src/org/redkale/convert/ext/URISimpledCoder.java
@@ -9,8 +9,13 @@ import java.net.*;
 import org.redkale.convert.*;
 
 /**
+ *
+ * <p>
+ * 详情见: http://redkale.org
  *
  * @author zhangjx
+ * @param <R> Reader输入的子类型
+ * @param <W> Writer输出的子类型
  */
 public class URISimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, URI> {
 
diff --git a/src/org/redkale/convert/ext/URLSimpledCoder.java b/src/org/redkale/convert/ext/URLSimpledCoder.java
index 431424efe..0a12257e2 100644
--- a/src/org/redkale/convert/ext/URLSimpledCoder.java
+++ b/src/org/redkale/convert/ext/URLSimpledCoder.java
@@ -9,8 +9,13 @@ import java.net.*;
 import org.redkale.convert.*;
 
 /**
+ *
+ * <p>
+ * 详情见: http://redkale.org
  *
  * @author zhangjx
+ * @param <R> Reader输入的子类型
+ * @param <W> Writer输出的子类型
  */
 public class URLSimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, URL> {