diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
deleted file mode 100644
index 23d5bc5..0000000
--- a/.github/FUNDING.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-# These are supported funding model platforms
-
-github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
-patreon: # Replace with a single Patreon username
-open_collective: # Replace with a single Open Collective username
-ko_fi: # Replace with a single Ko-fi username
-tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
-community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
-liberapay: # Replace with a single Liberapay username
-issuehunt: # Replace with a single IssueHunt username
-otechie: # Replace with a single Otechie username
-custom: ['https://github.com/smallnest/sponsors/blob/master/FUNDING.md'] # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/README.md b/README.md
index 6b93453..1392f57 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 Official site: [http://rpcx.io](http://rpcx.io/)
 
-[![License](https://img.shields.io/:license-apache%202-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![GoDoc](https://godoc.org/github.com/smallnest/rpcx?status.png)](http://godoc.org/github.com/smallnest/rpcx)  [![travis](https://travis-ci.org/smallnest/rpcx.svg?branch=master)](https://travis-ci.org/smallnest/rpcx) [![Go Report Card](https://goreportcard.com/badge/github.com/smallnest/rpcx)](https://goreportcard.com/report/github.com/smallnest/rpcx) [![coveralls](https://coveralls.io/repos/smallnest/rpcx/badge.svg?branch=master&service=github)](https://coveralls.io/github/smallnest/rpcx?branch=master) [![QQ3群](https://img.shields.io/:QQ3群-953962236-blue.svg)](_documents/rpcx_dev_qq3.jpg) 
+[![License](https://img.shields.io/:license-apache%202-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![GoDoc](https://godoc.org/github.com/smallnest/rpcx?status.png)](http://godoc.org/github.com/smallnest/rpcx)  [![github actions](https://github.com/smallnest/rpcx/actions)](https://github.com/smallnest/rpcx/actions/workflows/go.yml/badge.svg) [![Go Report Card](https://goreportcard.com/badge/github.com/smallnest/rpcx)](https://goreportcard.com/report/github.com/smallnest/rpcx) [![coveralls](https://coveralls.io/repos/smallnest/rpcx/badge.svg?branch=master&service=github)](https://coveralls.io/github/smallnest/rpcx?branch=master) [![QQ3群](https://img.shields.io/:QQ3群-953962236-blue.svg)](_documents/rpcx_dev_qq3.jpg) 
 
 **Notice: etcd**
 
diff --git a/client/connection_iouring_test.go b/client/connection_iouring_test.go
index 448bf5b..8a56437 100644
--- a/client/connection_iouring_test.go
+++ b/client/connection_iouring_test.go
@@ -3,44 +3,36 @@
 
 package client
 
-import (
-	"context"
-	"testing"
-	"time"
+// func TestXClient_IOUring(t *testing.T) {
+// 	s := server.NewServer()
+// 	s.RegisterName("Arith", new(Arith), "")
+// 	go s.Serve("iouring", "127.0.0.1:8972")
+// 	defer s.Close()
+// 	time.Sleep(500 * time.Millisecond)
 
-	"github.com/smallnest/rpcx/server"
-)
+// 	addr := s.Address().String()
 
-func TestXClient_IOUring(t *testing.T) {
-	s := server.NewServer()
-	s.RegisterName("Arith", new(Arith), "")
-	go s.Serve("iouring", "127.0.0.1:8972")
-	defer s.Close()
-	time.Sleep(500 * time.Millisecond)
+// 	d, err := NewPeer2PeerDiscovery("iouring@"+addr, "desc=a test service")
+// 	if err != nil {
+// 		t.Fatalf("failed to NewPeer2PeerDiscovery: %v", err)
+// 	}
 
-	addr := s.Address().String()
+// 	xclient := NewXClient("Arith", Failtry, RandomSelect, d, DefaultOption)
 
-	d, err := NewPeer2PeerDiscovery("iouring@"+addr, "desc=a test service")
-	if err != nil {
-		t.Fatalf("failed to NewPeer2PeerDiscovery: %v", err)
-	}
+// 	defer xclient.Close()
 
-	xclient := NewXClient("Arith", Failtry, RandomSelect, d, DefaultOption)
+// 	args := &Args{
+// 		A: 10,
+// 		B: 20,
+// 	}
 
-	defer xclient.Close()
+// 	reply := &Reply{}
+// 	err = xclient.Call(context.Background(), "Mul", args, reply)
+// 	if err != nil {
+// 		t.Fatalf("failed to call: %v", err)
+// 	}
 
-	args := &Args{
-		A: 10,
-		B: 20,
-	}
-
-	reply := &Reply{}
-	err = xclient.Call(context.Background(), "Mul", args, reply)
-	if err != nil {
-		t.Fatalf("failed to call: %v", err)
-	}
-
-	if reply.C != 200 {
-		t.Fatalf("expect 200 but got %d", reply.C)
-	}
-}
+// 	if reply.C != 200 {
+// 		t.Fatalf("expect 200 but got %d", reply.C)
+// 	}
+// }