Fix:problem about twoway

protocol/dubbo/client.go

@@ -229,9 +229,9 @@ func (c *Client) call(ct CallType, addr string, svcUrl common.URL, method string
 		rsp.reply = reply
 		rsp.callback = callback
 		rsp.opts = opts
+	} else {
+		p.Header.Type = hessian.PackageRequest
 	}
-	// todo: it must be PackageRequest because of hessian2, but it is twoway actually
-	p.Header.Type = hessian.PackageRequest
 
 	var (
 		err     error

protocol/dubbo/codec_test.go

@@ -58,7 +58,7 @@ func TestDubboPackage_MarshalAndUnmarshal(t *testing.T) {
 	pkgres.Body = make([]interface{}, 7)
 	err = pkgres.Unmarshal(data)
 	assert.NoError(t, err)
-	assert.Equal(t, hessian.PackageRequest|hessian.PackageRequest_TwoWay, pkgres.Header.Type)
+	assert.Equal(t, hessian.PackageRequest, pkgres.Header.Type)
 	assert.Equal(t, byte(S_Dubbo), pkgres.Header.SerialID)
 	assert.Equal(t, int64(10086), pkgres.Header.ID)
 	assert.Equal(t, "2.5.4", pkgres.Body.([]interface{})[0])