diff --git a/listener/inbound/anytls_test.go b/listener/inbound/anytls_test.go
index b28ec233..5d9ac8ba 100644
--- a/listener/inbound/anytls_test.go
+++ b/listener/inbound/anytls_test.go
@@ -41,7 +41,7 @@ func testInboundAnyTLS(t *testing.T, inboundOptions inbound.AnyTLSOption, outbou
 	outboundOptions.Server = addrPort.Addr().String()
 	outboundOptions.Port = int(addrPort.Port())
 	outboundOptions.Password = userUUID
-	outboundOptions.DialerForAPI = NewTestDialer()
+	outboundOptions.DialerForAPI = tunnel.NewDialer()
 
 	out, err := outbound.NewAnyTLS(outboundOptions)
 	if !assert.NoError(t, err) {
diff --git a/listener/inbound/common_test.go b/listener/inbound/common_test.go
index ace5f637..74df75a2 100644
--- a/listener/inbound/common_test.go
+++ b/listener/inbound/common_test.go
@@ -58,12 +58,15 @@ func init() {
 	realityPublickey = base64.RawURLEncoding.EncodeToString(privateKey.PublicKey().Bytes())
 }
 
-type TestDialer struct{ dialer C.Dialer }
+type TestDialer struct {
+	dialer C.Dialer
+	ctx    context.Context
+}
 
 func (t *TestDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
 start:
 	conn, err := t.dialer.DialContext(ctx, network, address)
-	if err != nil && ctx.Err() == nil {
+	if err != nil && ctx.Err() == nil && t.ctx.Err() == nil {
 		// We are conducting tests locally, and they shouldn't fail.
 		// However, a large number of requests in a short period during concurrent testing can exhaust system ports.
 		// This can lead to various errors such as WSAECONNREFUSED and WSAENOBUFS.
@@ -77,10 +80,6 @@ func (t *TestDialer) ListenPacket(ctx context.Context, network, address string,
 	return t.dialer.ListenPacket(ctx, network, address, rAddrPort)
 }
 
-func NewTestDialer() *TestDialer {
-	return &TestDialer{dialer: dialer.NewDialer()}
-}
-
 var _ C.Dialer = (*TestDialer)(nil)
 
 type TestTunnel struct {
@@ -90,6 +89,7 @@ type TestTunnel struct {
 	CloseFn            func() error
 	DoSequentialTestFn func(t *testing.T, proxy C.ProxyAdapter)
 	DoConcurrentTestFn func(t *testing.T, proxy C.ProxyAdapter)
+	NewDialerFn        func() C.Dialer
 }
 
 func (tt *TestTunnel) HandleTCPConn(conn net.Conn, metadata *C.Metadata) {
@@ -121,6 +121,10 @@ func (tt *TestTunnel) DoConcurrentTest(t *testing.T, proxy C.ProxyAdapter) {
 	tt.DoConcurrentTestFn(t, proxy)
 }
 
+func (tt *TestTunnel) NewDialer() C.Dialer {
+	return tt.NewDialerFn()
+}
+
 type TestTunnelListener struct {
 	ch     chan net.Conn
 	ctx    context.Context
@@ -353,6 +357,7 @@ func NewHttpTestTunnel() *TestTunnel {
 		CloseFn:            ln.Close,
 		DoSequentialTestFn: sequentialTestFn,
 		DoConcurrentTestFn: concurrentTestFn,
+		NewDialerFn:        func() C.Dialer { return &TestDialer{dialer: dialer.NewDialer(), ctx: ctx} },
 	}
 	return tunnel
 }
diff --git a/listener/inbound/hysteria2_test.go b/listener/inbound/hysteria2_test.go
index d866792e..b0132fa9 100644
--- a/listener/inbound/hysteria2_test.go
+++ b/listener/inbound/hysteria2_test.go
@@ -41,7 +41,7 @@ func testInboundHysteria2(t *testing.T, inboundOptions inbound.Hysteria2Option,
 	outboundOptions.Server = addrPort.Addr().String()
 	outboundOptions.Port = int(addrPort.Port())
 	outboundOptions.Password = userUUID
-	outboundOptions.DialerForAPI = NewTestDialer()
+	outboundOptions.DialerForAPI = tunnel.NewDialer()
 
 	out, err := outbound.NewHysteria2(outboundOptions)
 	if !assert.NoError(t, err) {
diff --git a/listener/inbound/mieru_test.go b/listener/inbound/mieru_test.go
index ceee2df5..97742186 100644
--- a/listener/inbound/mieru_test.go
+++ b/listener/inbound/mieru_test.go
@@ -237,7 +237,7 @@ func testInboundMieruTCP(t *testing.T, handshakeMode string) {
 		Password:      "password",
 		HandshakeMode: handshakeMode,
 	}
-	outboundOptions.DialerForAPI = NewTestDialer()
+	outboundOptions.DialerForAPI = tunnel.NewDialer()
 	out, err := outbound.NewMieru(outboundOptions)
 	if !assert.NoError(t, err) {
 		return
@@ -293,7 +293,7 @@ func testInboundMieruUDP(t *testing.T, handshakeMode string) {
 		Password:      "password",
 		HandshakeMode: handshakeMode,
 	}
-	outboundOptions.DialerForAPI = NewTestDialer()
+	outboundOptions.DialerForAPI = tunnel.NewDialer()
 	out, err := outbound.NewMieru(outboundOptions)
 	if !assert.NoError(t, err) {
 		return
diff --git a/listener/inbound/shadowsocks_test.go b/listener/inbound/shadowsocks_test.go
index 5f2c5359..755db2cf 100644
--- a/listener/inbound/shadowsocks_test.go
+++ b/listener/inbound/shadowsocks_test.go
@@ -85,7 +85,7 @@ func testInboundShadowSocks0(t *testing.T, inboundOptions inbound.ShadowSocksOpt
 	outboundOptions.Server = addrPort.Addr().String()
 	outboundOptions.Port = int(addrPort.Port())
 	outboundOptions.Password = password
-	outboundOptions.DialerForAPI = NewTestDialer()
+	outboundOptions.DialerForAPI = tunnel.NewDialer()
 
 	out, err := outbound.NewShadowSocks(outboundOptions)
 	if !assert.NoError(t, err) {
diff --git a/listener/inbound/sudoku_test.go b/listener/inbound/sudoku_test.go
index e8101a56..41348008 100644
--- a/listener/inbound/sudoku_test.go
+++ b/listener/inbound/sudoku_test.go
@@ -43,7 +43,7 @@ func testInboundSudoku(t *testing.T, inboundOptions inbound.SudokuOption, outbou
 	outboundOptions.Name = "sudoku_outbound"
 	outboundOptions.Server = addrPort.Addr().String()
 	outboundOptions.Port = int(addrPort.Port())
-	outboundOptions.DialerForAPI = NewTestDialer()
+	outboundOptions.DialerForAPI = tunnel.NewDialer()
 
 	out, err := outbound.NewSudoku(outboundOptions)
 	if !assert.NoError(t, err) {
diff --git a/listener/inbound/trojan_test.go b/listener/inbound/trojan_test.go
index d29a2977..14c36e82 100644
--- a/listener/inbound/trojan_test.go
+++ b/listener/inbound/trojan_test.go
@@ -43,7 +43,7 @@ func testInboundTrojan(t *testing.T, inboundOptions inbound.TrojanOption, outbou
 	outboundOptions.Server = addrPort.Addr().String()
 	outboundOptions.Port = int(addrPort.Port())
 	outboundOptions.Password = userUUID
-	outboundOptions.DialerForAPI = NewTestDialer()
+	outboundOptions.DialerForAPI = tunnel.NewDialer()
 
 	out, err := outbound.NewTrojan(outboundOptions)
 	if !assert.NoError(t, err) {
diff --git a/listener/inbound/trusttunnel_test.go b/listener/inbound/trusttunnel_test.go
index fb939c4b..4c6c3cdd 100644
--- a/listener/inbound/trusttunnel_test.go
+++ b/listener/inbound/trusttunnel_test.go
@@ -42,7 +42,7 @@ func testInboundTrustTunnel(t *testing.T, inboundOptions inbound.TrustTunnelOpti
 	outboundOptions.Port = int(addrPort.Port())
 	outboundOptions.UserName = "test"
 	outboundOptions.Password = userUUID
-	outboundOptions.DialerForAPI = NewTestDialer()
+	outboundOptions.DialerForAPI = tunnel.NewDialer()
 
 	out, err := outbound.NewTrustTunnel(outboundOptions)
 	if !assert.NoError(t, err) {
diff --git a/listener/inbound/tuic_test.go b/listener/inbound/tuic_test.go
index 094f706e..34bf8e4d 100644
--- a/listener/inbound/tuic_test.go
+++ b/listener/inbound/tuic_test.go
@@ -69,7 +69,7 @@ func testInboundTuic0(t *testing.T, inboundOptions inbound.TuicOption, outboundO
 	outboundOptions.Name = "tuic_outbound"
 	outboundOptions.Server = addrPort.Addr().String()
 	outboundOptions.Port = int(addrPort.Port())
-	outboundOptions.DialerForAPI = NewTestDialer()
+	outboundOptions.DialerForAPI = tunnel.NewDialer()
 
 	out, err := outbound.NewTuic(outboundOptions)
 	if !assert.NoError(t, err) {
diff --git a/listener/inbound/vless_test.go b/listener/inbound/vless_test.go
index f506beb0..a483c341 100644
--- a/listener/inbound/vless_test.go
+++ b/listener/inbound/vless_test.go
@@ -44,7 +44,7 @@ func testInboundVless(t *testing.T, inboundOptions inbound.VlessOption, outbound
 	outboundOptions.Server = addrPort.Addr().String()
 	outboundOptions.Port = int(addrPort.Port())
 	outboundOptions.UUID = userUUID
-	outboundOptions.DialerForAPI = NewTestDialer()
+	outboundOptions.DialerForAPI = tunnel.NewDialer()
 
 	out, err := outbound.NewVless(outboundOptions)
 	if !assert.NoError(t, err) {
diff --git a/listener/inbound/vmess_test.go b/listener/inbound/vmess_test.go
index 848add47..175d9803 100644
--- a/listener/inbound/vmess_test.go
+++ b/listener/inbound/vmess_test.go
@@ -45,7 +45,7 @@ func testInboundVMess(t *testing.T, inboundOptions inbound.VmessOption, outbound
 	outboundOptions.UUID = userUUID
 	outboundOptions.AlterID = 0
 	outboundOptions.Cipher = "auto"
-	outboundOptions.DialerForAPI = NewTestDialer()
+	outboundOptions.DialerForAPI = tunnel.NewDialer()
 
 	out, err := outbound.NewVmess(outboundOptions)
 	if !assert.NoError(t, err) {