diff --git a/examples/ace/ttcp/ttcp_asio_async.cc b/examples/ace/ttcp/ttcp_asio_async.cc
index d6867dab2..57dc26686 100644
--- a/examples/ace/ttcp/ttcp_asio_async.cc
+++ b/examples/ace/ttcp/ttcp_asio_async.cc
@@ -24,9 +24,12 @@ class TtcpServerConnection : public std::enable_shared_from_this<TtcpServerConne
 #if BOOST_VERSION < 107000L
   TtcpServerConnection(boost::asio::io_service& io_service)
     : socket_(io_service), count_(0), payload_(NULL), ack_(0)
-#else
+#elif BOOST_VERSION < 107400L
   TtcpServerConnection(const boost::asio::executor& executor)
     : socket_(executor), count_(0), payload_(NULL), ack_(0)
+#else
+  TtcpServerConnection(boost::asio::io_context& io_context)
+    : socket_(io_context), count_(0), payload_(NULL), ack_(0)
 #endif
   {
     sessionMessage_.number = 0;
@@ -151,8 +154,10 @@ void doAccept(tcp::acceptor& acceptor)
 #if BOOST_VERSION < 107000L
   // no need to pre-create new_connection if we use asio 1.12 or boost 1.66+
   TtcpServerConnectionPtr new_connection(new TtcpServerConnection(acceptor.get_io_service()));
-#else
+#elif BOOST_VERSION < 107400L
   TtcpServerConnectionPtr new_connection(new TtcpServerConnection(acceptor.get_executor()));
+#else
+  TtcpServerConnectionPtr new_connection(new TtcpServerConnection(static_cast<boost::asio::io_context&>(acceptor.get_executor().context())));
 #endif
   acceptor.async_accept(
       new_connection->socket(),
diff --git a/muduo/net/InetAddress.cc b/muduo/net/InetAddress.cc
index af09a348b..4f25eff7a 100644
--- a/muduo/net/InetAddress.cc
+++ b/muduo/net/InetAddress.cc
@@ -6,8 +6,8 @@
 
 // Author: Shuo Chen (chenshuo at chenshuo dot com)
 
+#include <cstddef>
 #include <muduo/net/InetAddress.h>
-
 #include <muduo/base/Logging.h>
 #include <muduo/net/Endian.h>
 #include <muduo/net/SocketsOps.h>