diff --git a/pom.xml b/pom.xml
index 46b77f9..1463f90 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>net.dongliu</groupId>
             <artifactId>commons</artifactId>
-            <version>7.4.0</version>
+            <version>7.6.1</version>
         </dependency>
         <!-- netty -->
         <dependency>
diff --git a/src/main/java/net/dongliu/proxy/netty/handler/HttpProxyHandler.java b/src/main/java/net/dongliu/proxy/netty/handler/HttpProxyHandler.java
index f6e77c5..da1affb 100644
--- a/src/main/java/net/dongliu/proxy/netty/handler/HttpProxyHandler.java
+++ b/src/main/java/net/dongliu/proxy/netty/handler/HttpProxyHandler.java
@@ -62,7 +62,7 @@ public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception
             int port = url.getPort();
             String authority = url.getAuthority();
             request.setUri(url.getFile());
-            request.headers().add("Host", host);
+            request.headers().set("Host", host);
             stripRequest(request);
 
             if (port == -1) {
diff --git a/src/main/java/net/dongliu/proxy/utils/NameValues.java b/src/main/java/net/dongliu/proxy/utils/NameValues.java
index 4464ee9..eab79a4 100644
--- a/src/main/java/net/dongliu/proxy/utils/NameValues.java
+++ b/src/main/java/net/dongliu/proxy/utils/NameValues.java
@@ -44,6 +44,7 @@ public static List<? extends NameValue> parseUrlEncodedParams(String text, Chars
                 String name = segment.substring(0, idx).trim();
                 String value = segment.substring(idx + 1).trim();
                 value = URLDecoder.decode(value, charset);
+                name = URLDecoder.decode(name, charset);
                 params.add(new Parameter(name, value));
             } else {
                 String value = URLDecoder.decode(segment, charset);