diff --git a/tests/ci/auto_test_frpc.ini b/tests/ci/auto_test_frpc.ini
index b8d90bf2..32fe3cbc 100644
--- a/tests/ci/auto_test_frpc.ini
+++ b/tests/ci/auto_test_frpc.ini
@@ -126,6 +126,14 @@ custom_domains = test6.frp.com
 host_header_rewrite = test6.frp.com
 header_X-From-Where = frp
 
+[tcpmultiplexing]
+type = tcp
+# Unused
+remote_port = 0
+local_ip = 127.0.0.1
+local_port = 10701
+custom_domains = tcpmulti1
+
 [wildcard_http]
 type = http
 local_ip = 127.0.0.1
diff --git a/tests/ci/auto_test_frps.ini b/tests/ci/auto_test_frps.ini
index 8948c987..6b96c1e3 100644
--- a/tests/ci/auto_test_frps.ini
+++ b/tests/ci/auto_test_frps.ini
@@ -2,6 +2,7 @@
 bind_addr = 0.0.0.0
 bind_port = 10700
 vhost_http_port = 10804
+vhost_tcp_port = 10806
 log_level = trace
 token = 123456
 allow_ports = 10000-20000,20002,30000-50000
diff --git a/tests/ci/normal_test.go b/tests/ci/normal_test.go
index 4f976c81..d3f77805 100644
--- a/tests/ci/normal_test.go
+++ b/tests/ci/normal_test.go
@@ -212,6 +212,17 @@ func TestHttp(t *testing.T) {
 	}
 }
 
+func TestTcpMultiplexing(t *testing.T) {
+	assert := assert.New(t)
+
+	conn, err := gnet.DialTcpByProxy(fmt.Sprintf("http://%s:%d", "127.0.0.1", consts.TEST_TCP_VHOST_FRP_PORT), "tcpmulti1")
+	if assert.NoError(err) {
+		res, err := util.SendTcpMsgByConn(conn, consts.TEST_TCP_ECHO_STR)
+		assert.NoError(err)
+		assert.Equal(consts.TEST_TCP_ECHO_STR, res)
+	}
+}
+
 func TestWebSocket(t *testing.T) {
 	assert := assert.New(t)
 
diff --git a/tests/consts/consts.go b/tests/consts/consts.go
index 4e1c1a00..feee47c5 100644
--- a/tests/consts/consts.go
+++ b/tests/consts/consts.go
@@ -40,6 +40,8 @@ var (
 	TEST_HTTP_FOO_STR    string = "http foo string: " + TEST_STR
 	TEST_HTTP_BAR_STR    string = "http bar string: " + TEST_STR
 
+	TEST_TCP_VHOST_FRP_PORT int = 10806
+
 	TEST_STCP_FRP_PORT    int    = 10805
 	TEST_STCP_EC_FRP_PORT int    = 10905
 	TEST_STCP_ECHO_STR    string = "stcp type:" + TEST_STR