diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/tsf/registry/TsfMetadataPolarisRegistrationCustomizer.java b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/tsf/registry/TsfMetadataPolarisRegistrationCustomizer.java
index 54b302347..b152afd54 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/tsf/registry/TsfMetadataPolarisRegistrationCustomizer.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/tsf/registry/TsfMetadataPolarisRegistrationCustomizer.java
@@ -28,6 +28,16 @@ import com.tencent.cloud.polaris.tsf.TsfDiscoveryProperties;
 import com.tencent.cloud.polaris.tsf.consts.WarmupCons;
 import com.tencent.cloud.polaris.tsf.util.RegistrationUtil;
 
+import static com.tencent.cloud.common.tsf.TsfConstant.TSF_APPLICATION_ID;
+import static com.tencent.cloud.common.tsf.TsfConstant.TSF_GROUP_ID;
+import static com.tencent.cloud.common.tsf.TsfConstant.TSF_INSTNACE_ID;
+import static com.tencent.cloud.common.tsf.TsfConstant.TSF_NAMESPACE_ID;
+import static com.tencent.cloud.common.tsf.TsfConstant.TSF_PROG_VERSION;
+import static com.tencent.cloud.common.tsf.TsfConstant.TSF_REGION;
+import static com.tencent.cloud.common.tsf.TsfConstant.TSF_SDK_VERSION;
+import static com.tencent.cloud.common.tsf.TsfConstant.TSF_TAGS;
+import static com.tencent.cloud.common.tsf.TsfConstant.TSF_ZONE;
+
 /**
  *
  *
@@ -48,17 +58,17 @@ public class TsfMetadataPolarisRegistrationCustomizer implements PolarisRegistra
 	public void customize(PolarisRegistration registration) {
 		Map<String, String> metadata = registration.getMetadata();
 
-		metadata.put("TSF_APPLICATION_ID", tsfCoreProperties.getTsfApplicationId());
-		metadata.put("TSF_PROG_VERSION", tsfDiscoveryProperties.getTsfProgVersion());
-		metadata.put("TSF_GROUP_ID", tsfCoreProperties.getTsfGroupId());
-		metadata.put("TSF_NAMESPACE_ID", tsfCoreProperties.getTsfNamespaceId());
-		metadata.put("TSF_INSTNACE_ID", tsfDiscoveryProperties.getInstanceId());
-		metadata.put("TSF_REGION", tsfDiscoveryProperties.getTsfRegion());
-		metadata.put("TSF_ZONE", tsfDiscoveryProperties.getTsfZone());
+		metadata.put(TSF_APPLICATION_ID, tsfCoreProperties.getTsfApplicationId());
+		metadata.put(TSF_PROG_VERSION, tsfDiscoveryProperties.getTsfProgVersion());
+		metadata.put(TSF_GROUP_ID, tsfCoreProperties.getTsfGroupId());
+		metadata.put(TSF_NAMESPACE_ID, tsfCoreProperties.getTsfNamespaceId());
+		metadata.put(TSF_INSTNACE_ID, tsfDiscoveryProperties.getInstanceId());
+		metadata.put(TSF_REGION, tsfDiscoveryProperties.getTsfRegion());
+		metadata.put(TSF_ZONE, tsfDiscoveryProperties.getTsfZone());
 		// 处理预热相关的参数
 		metadata.put(WarmupCons.TSF_START_TIME, String.valueOf(System.currentTimeMillis()));
-		metadata.put("TSF_SDK_VERSION", SdkVersion.get());
-		metadata.put("TSF_TAGS", JacksonUtils.serialize2Json(RegistrationUtil.createTags(tsfDiscoveryProperties)));
+		metadata.put(TSF_SDK_VERSION, SdkVersion.get());
+		metadata.put(TSF_TAGS, JacksonUtils.serialize2Json(RegistrationUtil.createTags(tsfDiscoveryProperties)));
 		RegistrationUtil.appendMetaIpAddress(metadata);
 	}
 }
diff --git a/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/tsf/TsfConstant.java b/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/tsf/TsfConstant.java
new file mode 100644
index 000000000..dfc8949fe
--- /dev/null
+++ b/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/tsf/TsfConstant.java
@@ -0,0 +1,73 @@
+/*
+ * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * Licensed under the BSD 3-Clause License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package com.tencent.cloud.common.tsf;
+
+/**
+ * Constant for TSF.
+ *
+ * @author Haotian Zhang
+ */
+public final class TsfConstant {
+	/**
+	 * tsf application id.
+	 */
+	public static String TSF_APPLICATION_ID = "TSF_APPLICATION_ID";
+
+	/**
+	 * tsf program version.
+	 */
+	public static String TSF_PROG_VERSION = "TSF_PROG_VERSION";
+
+	/**
+	 * tsf group id.
+	 */
+	public static String TSF_GROUP_ID = "TSF_GROUP_ID";
+
+	/**
+	 * tsf namespace id.
+	 */
+	public static String TSF_NAMESPACE_ID = "TSF_NAMESPACE_ID";
+
+	/**
+	 * tsf instance id.
+	 */
+	public static String TSF_INSTNACE_ID = "TSF_INSTNACE_ID";
+
+	/**
+	 * tsf region.
+	 */
+	public static String TSF_REGION = "TSF_REGION";
+
+	/**
+	 * tsf zone.
+	 */
+	public static String TSF_ZONE = "TSF_ZONE";
+
+	/**
+	 * tsf SDK version.
+	 */
+	public static String TSF_SDK_VERSION = "TSF_SDK_VERSION";
+
+	/**
+	 * tsf tags.
+	 */
+	public static String TSF_TAGS = "TSF_TAGS";
+
+	private TsfConstant() {
+	}
+}