diff --git a/interactive_engine/assembly/src/conf/groot/logback.xml b/interactive_engine/assembly/src/conf/groot/logback.xml
index 9b5b2c7eb66b..b36fb2d8b02d 100644
--- a/interactive_engine/assembly/src/conf/groot/logback.xml
+++ b/interactive_engine/assembly/src/conf/groot/logback.xml
@@ -1,5 +1,4 @@
 <configuration scan="true" scanPeriod="30 seconds">
-    <define name="hostname" class="ch.qos.logback.core.property.CanonicalHostNamePropertyDefiner"/>
     <property name="log_dir" value="${log.dir:-/var/log/graphscope}"/>
     <property name="log_name" value="${log.name:-groot}"/>
     <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
@@ -11,12 +10,12 @@
             <totalSizeCap>1GB</totalSizeCap>
         </rollingPolicy>
         <encoder>
-            <pattern>[%d{ISO8601}][%p][%t][${hostname}][%c:%L] %m%n</pattern>
+            <pattern>[%d{ISO8601}][%p][%t][%c:%L] %m%n</pattern>
         </encoder>
     </appender>
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder>
-            <pattern>[%d{ISO8601}][%p][%t][${hostname}][%c:%L] %m%n</pattern>
+            <pattern>[%d{ISO8601}][%p][%t][%c:%L] %m%n</pattern>
         </encoder>
     </appender>
     <appender name="Metric" class="ch.qos.logback.core.rolling.RollingFileAppender">
diff --git a/interactive_engine/groot-server/src/main/java/com/alibaba/graphscope/groot/servers/Frontend.java b/interactive_engine/groot-server/src/main/java/com/alibaba/graphscope/groot/servers/Frontend.java
index 2a501a0e63ab..40347b0dba71 100644
--- a/interactive_engine/groot-server/src/main/java/com/alibaba/graphscope/groot/servers/Frontend.java
+++ b/interactive_engine/groot-server/src/main/java/com/alibaba/graphscope/groot/servers/Frontend.java
@@ -48,11 +48,14 @@
 import io.grpc.netty.NettyServerBuilder;
 
 import org.apache.curator.framework.CuratorFramework;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.util.Collections;
 
 public class Frontend extends NodeBase {
+    private static final Logger logger = LoggerFactory.getLogger(Frontend.class);
 
     private CuratorFramework curator;
     private NodeDiscovery discovery;
@@ -63,6 +66,8 @@ public class Frontend extends NodeBase {
     private ClientService clientService;
     private AbstractService graphService;
 
+    private SnapshotCache snapshotCache;
+
     public Frontend(Configs configs) {
         super(configs);
         configs = reConfig(configs);
@@ -75,13 +80,9 @@ public Frontend(Configs configs) {
         }
         NameResolver.Factory nameResolverFactory = new GrootNameResolverFactory(this.discovery);
         this.channelManager = new ChannelManager(configs, nameResolverFactory);
-        SnapshotCache snapshotCache = new SnapshotCache();
-        this.metaService = new DefaultMetaService(configs);
-        MetricsCollector metricsCollector = new MetricsCollector(configs);
-        RoleClients<IngestorWriteClient> ingestorWriteClients =
-                new RoleClients<>(this.channelManager, RoleType.INGESTOR, IngestorWriteClient::new);
-        FrontendSnapshotService frontendSnapshotService =
-                new FrontendSnapshotService(snapshotCache);
+
+        snapshotCache = new SnapshotCache();
+
         RoleClients<MetricsCollectClient> frontendMetricsCollectClients =
                 new RoleClients<>(
                         this.channelManager, RoleType.FRONTEND, MetricsCollectClient::new);
@@ -96,18 +97,21 @@ public Frontend(Configs configs) {
                         frontendMetricsCollectClients,
                         ingestorMetricsCollectClients,
                         storeMetricsCollectClients);
+
         StoreIngestor storeIngestClients =
                 new StoreIngestClients(this.channelManager, RoleType.STORE, StoreIngestClient::new);
         SchemaWriter schemaWriter =
                 new SchemaWriter(
                         new RoleClients<>(
                                 this.channelManager, RoleType.COORDINATOR, SchemaClient::new));
-        DdlExecutors ddlExecutors = new DdlExecutors();
+
         BatchDdlClient batchDdlClient =
-                new BatchDdlClient(ddlExecutors, snapshotCache, schemaWriter);
+                new BatchDdlClient(new DdlExecutors(), snapshotCache, schemaWriter);
         StoreStateFetcher storeStateClients =
                 new StoreStateClients(this.channelManager, RoleType.STORE, StoreStateClient::new);
 
+        this.metaService = new DefaultMetaService(configs);
+
         this.clientService =
                 new ClientService(
                         snapshotCache,
@@ -116,10 +120,21 @@ public Frontend(Configs configs) {
                         this.metaService,
                         batchDdlClient,
                         storeStateClients);
-        GrootDdlService clientDdlService = new GrootDdlService(snapshotCache, batchDdlClient);
+
+        FrontendSnapshotService frontendSnapshotService =
+                new FrontendSnapshotService(snapshotCache);
+
+        MetricsCollector metricsCollector = new MetricsCollector(configs);
         MetricsCollectService metricsCollectService = new MetricsCollectService(metricsCollector);
-        WriteSessionGenerator writeSessionGenerator = new WriteSessionGenerator(configs);
+        this.rpcServer =
+                new RpcServer(
+                        configs, localNodeProvider, frontendSnapshotService, metricsCollectService);
+
+        GrootDdlService clientDdlService = new GrootDdlService(snapshotCache, batchDdlClient);
+
         EdgeIdGenerator edgeIdGenerator = new DefaultEdgeIdGenerator(configs, this.channelManager);
+        RoleClients<IngestorWriteClient> ingestorWriteClients =
+                new RoleClients<>(this.channelManager, RoleType.INGESTOR, IngestorWriteClient::new);
         GraphWriter graphWriter =
                 new GraphWriter(
                         snapshotCache,
@@ -127,15 +142,13 @@ public Frontend(Configs configs) {
                         this.metaService,
                         ingestorWriteClients,
                         metricsCollector);
+        WriteSessionGenerator writeSessionGenerator = new WriteSessionGenerator(configs);
         ClientWriteService clientWriteService =
                 new ClientWriteService(writeSessionGenerator, graphWriter);
+
         RoleClients<BackupClient> backupClients =
                 new RoleClients<>(this.channelManager, RoleType.COORDINATOR, BackupClient::new);
         ClientBackupService clientBackupService = new ClientBackupService(backupClients);
-        this.rpcServer =
-                new RpcServer(
-                        configs, localNodeProvider, frontendSnapshotService, metricsCollectService);
-
         this.serviceServer =
                 buildServiceServer(
                         configs,
@@ -182,6 +195,15 @@ public void start() {
         }
         this.discovery.start();
         this.channelManager.start();
+
+        while (snapshotCache.getSnapshotWithSchema().getGraphDef() == null) {
+            try {
+                Thread.sleep(1000);
+                logger.info("Waiting for schema ready...");
+            } catch (InterruptedException e) {
+                throw new GrootException(e);
+            }
+        }
         this.graphService.start();
         try {
             this.serviceServer.start();