diff --git a/server/WebApi.cpp b/server/WebApi.cpp
index e99bcb76..18056a10 100755
--- a/server/WebApi.cpp
+++ b/server/WebApi.cpp
@@ -1595,7 +1595,7 @@ void installWebApi() {
         auto offer = allArgs.getArgs();
         CHECK(!offer.empty(), "http body(webrtc offer sdp) is empty");
 
-        WebRtcPluginManager::Instance().getAnswerSdp(*(static_cast<Session *>(&sender)), type,
+        WebRtcPluginManager::Instance().getAnswerSdp(static_cast<Session&>(sender), type,
                                                      WebRtcArgsImp(allArgs, sender.getIdentifier()),
                                                      [invoker, val, offer, headerOut](const WebRtcInterface &exchanger) mutable {
             //设置返回类型
@@ -1620,7 +1620,7 @@ void installWebApi() {
         auto offer = allArgs.getArgs();
         CHECK(!offer.empty(), "http body(webrtc offer sdp) is empty");
 
-        WebRtcPluginManager::Instance().getAnswerSdp(*(static_cast<Session *>(&sender)), type,
+        WebRtcPluginManager::Instance().getAnswerSdp(static_cast<Session&>(sender), type,
                                                      WebRtcArgsImp(allArgs, sender.getIdentifier()),
                                                      [invoker, offer, headerOut](const WebRtcInterface &exchanger) mutable {
                 // 设置跨域