minor

weed/mq/broker/broker_grpc_sub.go

@@ -2,6 +2,7 @@ package broker
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/mq/sub_coordinator"
@@ -160,7 +161,7 @@ func (b *MessageQueueBroker) SubscribeMessage(stream mq_pb.SeaweedMessaging_Subs
 		select {
 		case <-ctx.Done():
 			err := ctx.Err()
-			if err == context.Canceled {
+			if errors.Is(err, context.Canceled) {
 				// Client disconnected
 				return false
 			}