diff --git a/src/Rtp/RtpServer.cpp b/src/Rtp/RtpServer.cpp
index c2f54d5c..8cee24ff 100644
--- a/src/Rtp/RtpServer.cpp
+++ b/src/Rtp/RtpServer.cpp
@@ -104,7 +104,7 @@ void RtpServer::start(uint16_t local_port, const string &stream_id, bool enable_
         throw std::runtime_error(StrPrinter << "创建rtp端口 " << local_ip << ":" << local_port << " 失败:" << get_uv_errmsg(true));
     } else if (!rtcp_socket->bindUdpSock(rtp_socket->get_local_port() + 1, local_ip, re_use_port)) {
         // rtcp端口
-        throw std::runtime_error(StrPrinter << "创建rtcp端口 " << local_ip << ":" << local_port << " 失败:" << get_uv_errmsg(true));
+        throw std::runtime_error(StrPrinter << "创建rtcp端口 " << local_ip << ":" << rtp_socket->get_local_port() + 1 << " 失败:" << get_uv_errmsg(true));
     }
 
     //设置udp socket读缓存