diff --git a/build.gradle b/build.gradle
index 1225c95..cf794f4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -55,7 +55,7 @@ uploadArchives {
                 authentication(userName: NEXUS_USERNAME, password: NEXUS_PASSWORD)
             }
             pom.project {
-                version '1.1.8'
+                version '1.1.9'
                 artifactId ARTIFACT_Id
                 groupId GROUP_ID
                 packaging TYPE
diff --git a/src/main/java/com/taover/heartbeat/ClientHolderImpl.java b/src/main/java/com/taover/heartbeat/ClientHolderImpl.java
index e496780..92a9b66 100644
--- a/src/main/java/com/taover/heartbeat/ClientHolderImpl.java
+++ b/src/main/java/com/taover/heartbeat/ClientHolderImpl.java
@@ -5,6 +5,8 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import org.apache.commons.lang3.StringUtils;
+
 import com.taover.heartbeat.bean.ClientInstance;
 import com.taover.heartbeat.bean.ClientRequest;
 
@@ -23,6 +25,9 @@ public class ClientHolderImpl implements ClientHolder{
 
 	@Override
 	public void registryClientInstance(ClientRequest clientRequest) {
+		if(!this.validClientRequest(clientRequest)) {
+			return;
+		}
 		synchronized (this.clientMap) {
 			ClientInstance client = null;
 			if(clientMap.containsKey(clientRequest.getIdentity())) {
@@ -35,4 +40,14 @@ public class ClientHolderImpl implements ClientHolder{
 			client.dealClientRequest(clientRequest);
 		}
 	}
+
+	private boolean validClientRequest(ClientRequest clientRequest) {
+		if(StringUtils.isNotBlank(clientRequest.getCode()) 
+				&& StringUtils.isNotBlank(clientRequest.getIp())
+				&& clientRequest.getFixRateSec() > 0) {
+			return true;
+		}else {
+			return false;	
+		}		
+	}
 }
--
libgit2 0.21.2