diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1de17d9e4..0a18d9d60 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,3 +8,4 @@
 - [feat: support TagUtils, ContextToHeaderInterceptor in TSF.](https://github.com/Tencent/spring-cloud-tencent/pull/1753)
 - [fix:replace with string inside @ConditionalOnClass.](https://github.com/Tencent/spring-cloud-tencent/pull/1755)
 - [deps:upgrade GitHub Actions to v5.](https://github.com/Tencent/spring-cloud-tencent/pull/1757)
+- [fix: send unit header in tsf gw.](https://github.com/Tencent/spring-cloud-tencent/pull/1759)
\ No newline at end of file
diff --git a/spring-cloud-tencent-plugin-starters/spring-cloud-tencent-unit-plugin/src/main/java/com/tencent/cloud/plugin/unit/config/GatewayUnitAutoConfiguration.java b/spring-cloud-tencent-plugin-starters/spring-cloud-tencent-unit-plugin/src/main/java/com/tencent/cloud/plugin/unit/config/GatewayUnitAutoConfiguration.java
index 2b2b04b22..40c6b735b 100644
--- a/spring-cloud-tencent-plugin-starters/spring-cloud-tencent-unit-plugin/src/main/java/com/tencent/cloud/plugin/unit/config/GatewayUnitAutoConfiguration.java
+++ b/spring-cloud-tencent-plugin-starters/spring-cloud-tencent-unit-plugin/src/main/java/com/tencent/cloud/plugin/unit/config/GatewayUnitAutoConfiguration.java
@@ -20,6 +20,7 @@ package com.tencent.cloud.plugin.unit.config;
 import javax.annotation.PostConstruct;
 
 import com.tencent.cloud.common.tsf.ConditionalOnOnlyTsfConsulEnabled;
+import com.tencent.cloud.plugin.unit.plugin.UnitScgEnhancedPlugin;
 import com.tencent.tsf.unit.core.GatewayUnitArchCallback;
 import com.tencent.tsf.unit.core.TencentUnitManager;
 import com.tencent.tsf.unit.core.TsfZoneFilterUnitCallback;
@@ -27,6 +28,7 @@ import com.tencent.tsf.unit.core.remote.TsfUnitConsulManager;
 
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 
@@ -45,6 +47,11 @@ public class GatewayUnitAutoConfiguration {
 		private String applicationName;
 
 
+		@Bean
+		public UnitScgEnhancedPlugin unitScgEnhancedPlugin() {
+			return new UnitScgEnhancedPlugin();
+		}
+
 		@PostConstruct
 		public void init() {
 			TencentUnitManager.addArchCallback(new GatewayUnitArchCallback(applicationName));
diff --git a/spring-cloud-tencent-plugin-starters/spring-cloud-tencent-unit-plugin/src/main/java/com/tencent/cloud/plugin/unit/plugin/UnitScgEnhancedPlugin.java b/spring-cloud-tencent-plugin-starters/spring-cloud-tencent-unit-plugin/src/main/java/com/tencent/cloud/plugin/unit/plugin/UnitScgEnhancedPlugin.java
index 9fba5ebcd..a047bc6bf 100644
--- a/spring-cloud-tencent-plugin-starters/spring-cloud-tencent-unit-plugin/src/main/java/com/tencent/cloud/plugin/unit/plugin/UnitScgEnhancedPlugin.java
+++ b/spring-cloud-tencent-plugin-starters/spring-cloud-tencent-unit-plugin/src/main/java/com/tencent/cloud/plugin/unit/plugin/UnitScgEnhancedPlugin.java
@@ -27,6 +27,7 @@ import com.tencent.cloud.rpc.enhancement.plugin.EnhancedPluginContext;
 import com.tencent.cloud.rpc.enhancement.plugin.EnhancedPluginType;
 import com.tencent.cloud.rpc.enhancement.plugin.PluginOrderConstant;
 import com.tencent.tsf.unit.core.TencentUnitContext;
+import com.tencent.tsf.unit.core.TencentUnitManager;
 import shade.polaris.com.google.common.collect.ImmutableMap;
 
 import org.springframework.http.server.reactive.ServerHttpRequest;
@@ -50,6 +51,10 @@ public class UnitScgEnhancedPlugin implements EnhancedPlugin {
 			return;
 		}
 
+		if (!TencentUnitManager.isEnable()) {
+			return;
+		}
+
 		ServerWebExchange exchange = (ServerWebExchange) context.getOriginRequest();
 
 		// get request builder