fix lint warnings

proxy/vmess/outbound/outbound.go

@@ -152,11 +152,7 @@ func (v *Handler) Process(ctx context.Context, outboundRay ray.OutboundRay, dial
 
 		reader.SetBuffered(false)
 		bodyReader := session.DecodeResponseBody(request, reader)
-		if err := buf.Copy(bodyReader, output, buf.UpdateActivity(timer)); err != nil {
-			return err
-		}
-
-		return nil
+		return buf.Copy(bodyReader, output, buf.UpdateActivity(timer))
 	})
 
 	if err := signal.ErrorOrFinish2(ctx, requestDone, responseDone); err != nil {

transport/internet/kcp/dialer.go

@@ -129,8 +129,7 @@ func DialKCP(ctx context.Context, dest net.Destination) (internet.Connection, er
 	conv := uint16(atomic.AddUint32(&globalConv, 1))
 	session := NewConnection(conv, conn, kcpSettings)
 
-	var iConn internet.Connection
-	iConn = session
+	var iConn internet.Connection = session
 
 	if securitySettings := internet.SecuritySettingsFromContext(ctx); securitySettings != nil {
 		switch securitySettings := securitySettings.(type) {