Fix: get error cause after server.accept

getty.go

@@ -13,9 +13,10 @@ import (
 	"compress/flate"
 	"net"
 	"time"
+)
 
+import (
 	gxsync "github.com/dubbogo/gost/sync"
-
 	perrors "github.com/pkg/errors"
 )
 

server.go

@@ -259,7 +259,7 @@ func (s *server) runTcpEventLoop(newSession NewSessionCallback) {
 			}
 			client, err = s.accept(newSession)
 			if err != nil {
-				if netErr, ok := err.(net.Error); ok && netErr.Temporary() {
+				if netErr, ok := perrors.Cause(err).(net.Error); ok && netErr.Temporary() {
 					if delay == 0 {
 						delay = 5 * time.Millisecond
 					} else {