diff --git a/tencentcloud/services/gaap/resource_tc_gaap_layer4_listener.go b/tencentcloud/services/gaap/resource_tc_gaap_layer4_listener.go
index 3fa33bda8c..a2da938bd1 100644
--- a/tencentcloud/services/gaap/resource_tc_gaap_layer4_listener.go
+++ b/tencentcloud/services/gaap/resource_tc_gaap_layer4_listener.go
@@ -81,7 +81,7 @@ func ResourceTencentCloudGaapLayer4Listener() *schema.Resource {
 				Optional:     true,
 				Default:      2,
 				ValidateFunc: tccommon.ValidateIntegerInRange(2, 60),
-				Description:  "Timeout of the health check response, should less than interval, default value is 2s. NOTES: Only supports listeners of `TCP` protocol and require less than `interval`.",
+				Description:  "Timeout of the health check response, should less than interval, default value is 2s. NOTES: Require less than `interval`.",
 			},
 			"healthy_threshold": {
 				Type:         schema.TypeInt,
@@ -215,8 +215,7 @@ func resourceTencentCloudGaapLayer4ListenerCreate(d *schema.ResourceData, m inte
 	healthyThreshold := d.Get("healthy_threshold").(int)
 	unhealthyThreshold := d.Get("unhealthy_threshold").(int)
 
-	// only check for TCP listener
-	if protocol == "TCP" && connectTimeout >= interval {
+	if connectTimeout >= interval {
 		return errors.New("connect_timeout must be less than interval")
 	}
 	clientIPMethod := d.Get("client_ip_method").(int)
diff --git a/website/docs/r/gaap_layer4_listener.html.markdown b/website/docs/r/gaap_layer4_listener.html.markdown
index ebd04a2239..59267f2ad4 100644
--- a/website/docs/r/gaap_layer4_listener.html.markdown
+++ b/website/docs/r/gaap_layer4_listener.html.markdown
@@ -66,7 +66,7 @@ The following arguments are supported:
 * `check_port` - (Optional, Int) UDP origin station health check probe port.
 * `check_type` - (Optional, String) UDP origin server health type. PORT means check port, and PING means PING.
 * `client_ip_method` - (Optional, Int, ForceNew) The way the listener gets the client IP, 0 for TOA, 1 for Proxy Protocol, default value is 0. NOTES: Only supports listeners of `TCP` protocol.
-* `connect_timeout` - (Optional, Int) Timeout of the health check response, should less than interval, default value is 2s. NOTES: Only supports listeners of `TCP` protocol and require less than `interval`.
+* `connect_timeout` - (Optional, Int) Timeout of the health check response, should less than interval, default value is 2s. NOTES: Require less than `interval`.
 * `context_type` - (Optional, String) UDP source station health check port probe message type: TEXT represents text. Only used when the health check type is PORT.
 * `health_check` - (Optional, Bool) Indicates whether health check is enable, default value is `false`.
 * `healthy_threshold` - (Optional, Int) Health threshold, which indicates how many consecutive inspections are successful, the source station is determined to be healthy. Range from 1 to 10. Default value is 1.