diff --git a/internal/nodes/http_request.go b/internal/nodes/http_request.go
index db5122c..6e7acfb 100644
--- a/internal/nodes/http_request.go
+++ b/internal/nodes/http_request.go
@@ -241,9 +241,18 @@ func (this *HTTPRequest) doBegin() {
 	}
 
 	// 处理健康检查
+	var isHealthCheck = false
 	var healthCheckKey = this.RawReq.Header.Get(serverconfigs.HealthCheckHeaderName)
 	if len(healthCheckKey) > 0 {
-		if this.doHealthCheck(healthCheckKey) {
+		if this.doHealthCheck(healthCheckKey, &isHealthCheck) {
+			return
+		}
+	}
+
+	// UAM
+	if !isHealthCheck && this.ReqServer.UAM != nil && this.ReqServer.UAM.IsOn {
+		if this.doUAM() {
+			this.doEnd()
 			return
 		}
 	}
diff --git a/internal/nodes/http_request_health_check.go b/internal/nodes/http_request_health_check.go
index 1041351..da30dc6 100644
--- a/internal/nodes/http_request_health_check.go
+++ b/internal/nodes/http_request_health_check.go
@@ -9,7 +9,7 @@ import (
 )
 
 // 健康检查
-func (this *HTTPRequest) doHealthCheck(key string) (stop bool) {
+func (this *HTTPRequest) doHealthCheck(key string, isHealthCheck *bool) (stop bool) {
 	this.tags = append(this.tags, "healthCheck")
 
 	this.RawReq.Header.Del(serverconfigs.HealthCheckHeaderName)
@@ -19,6 +19,7 @@ func (this *HTTPRequest) doHealthCheck(key string) (stop bool) {
 		remotelogs.Error("HTTP_REQUEST_HEALTH_CHECK", "decode key failed: "+err.Error())
 		return
 	}
+	*isHealthCheck = true
 
 	if data.GetBool("onlyBasicRequest") {
 		return true
diff --git a/internal/nodes/http_request_uam.go b/internal/nodes/http_request_uam.go
new file mode 100644
index 0000000..b635034
--- /dev/null
+++ b/internal/nodes/http_request_uam.go
@@ -0,0 +1,10 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build !plus
+// +build !plus
+
+package nodes
+
+// UAM
+func (this *HTTPRequest) doUAM() (block bool) {
+	return false
+}