add：服务端打印本机所有的IP地址。

server/server.cpp

@@ -24,6 +24,21 @@ CTcpServer::~CTcpServer()
 
 bool CTcpServer::start(unsigned short port)
 {
+    asio::ip::tcp::resolver resolver(io_context_);
+    asio::ip::tcp::resolver::query query(asio::ip::host_name(), "");
+    asio::ip::tcp::resolver::iterator it = resolver.resolve(query);
+
+    logger_->debug("Here are the local IP addresses you may.");
+    logger_->debug("===========================================");
+    int i = 1;
+    while (it != asio::ip::tcp::resolver::iterator()) {
+        asio::ip::address addr = it->endpoint().address();
+        logger_->info("({}){}", i, addr.to_string());
+        ++it;
+        ++i;
+    }
+    logger_->debug("===========================================");
+
     asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), port);
     try {
         acceptor_.open(endpoint.protocol());