diff --git a/hugegraph-dist/src/assembly/static/bin/start-hugegraph.sh b/hugegraph-dist/src/assembly/static/bin/start-hugegraph.sh
index 056323b9b6..bad24dcf46 100644
--- a/hugegraph-dist/src/assembly/static/bin/start-hugegraph.sh
+++ b/hugegraph-dist/src/assembly/static/bin/start-hugegraph.sh
@@ -62,6 +62,7 @@ BIN=$(abs_path)
 TOP="$(cd "$BIN"/../ && pwd)"
 CONF="$TOP/conf"
 LOGS="$TOP/logs"
+SCRIPTS="$TOP/scripts"
 PID_FILE="$BIN/pid"
 
 . "$BIN"/util.sh
@@ -79,20 +80,19 @@ if [ ! -d "$LOGS" ]; then
     mkdir -p "$LOGS"
 fi
 
-GERMLIN_SERVER_YAML="gremlin-server.yaml"
-
-if [ $PRELOAD ]; then
-    GERMLIN_SERVER_YAML="gremlin-server-preload.yaml"
+if [[ $PRELOAD == "true" ]]; then
+    sed -i -e 's/empty-sample.groovy/example.groovy/g' "${CONF}"/gremlin-server.yaml
+    sed -i -e '/registerRocksDB/d; /serverStarted/d' "${SCRIPTS}"/example.groovy
 fi
 
 
 if [[ $DAEMON == "true" ]]; then
     echo "Starting HugeGraphServer in daemon mode..."
-    "${BIN}"/hugegraph-server.sh "${CONF}"/"${GERMLIN_SERVER_YAML}" "${CONF}"/rest-server.properties \
+    "${BIN}"/hugegraph-server.sh "${CONF}"/gremlin-server.yaml "${CONF}"/rest-server.properties \
     "${OPEN_SECURITY_CHECK}" "${USER_OPTION}" "${GC_OPTION}" >>"${LOGS}"/hugegraph-server.log 2>&1 &
 else
     echo "Starting HugeGraphServer in foreground mode..."
-    "${BIN}"/hugegraph-server.sh "${CONF}"/"${GERMLIN_SERVER_YAML}" "${CONF}"/rest-server.properties \
+    "${BIN}"/hugegraph-server.sh "${CONF}"/gremlin-server.yaml "${CONF}"/rest-server.properties \
     "${OPEN_SECURITY_CHECK}" "${USER_OPTION}" "${GC_OPTION}" >>"${LOGS}"/hugegraph-server.log 2>&1
 fi
 
diff --git a/hugegraph-dist/src/assembly/static/conf/gremlin-server-preload.yaml b/hugegraph-dist/src/assembly/static/conf/gremlin-server-preload.yaml
deleted file mode 100644
index 58a9d1e804..0000000000
--- a/hugegraph-dist/src/assembly/static/conf/gremlin-server-preload.yaml
+++ /dev/null
@@ -1,126 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# 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.
-#
-# host and port of gremlin server, need to be consistent with host and port in rest-server.properties
-#host: 127.0.0.1
-#port: 8182
-
-# timeout in ms of gremlin query
-evaluationTimeout: 30000
-
-channelizer: org.apache.tinkerpop.gremlin.server.channel.WsAndHttpChannelizer
-# don't set graph at here, this happens after support for dynamically adding graph
-graphs: {
-}
-scriptEngines: {
-  gremlin-groovy: {
-    staticImports: [
-        org.opencypher.gremlin.process.traversal.CustomPredicates.*',
-        org.opencypher.gremlin.traversal.CustomFunctions.*
-    ],
-    plugins: {
-      org.apache.hugegraph.plugin.HugeGraphGremlinPlugin: {},
-      org.apache.tinkerpop.gremlin.server.jsr223.GremlinServerGremlinPlugin: {},
-      org.apache.tinkerpop.gremlin.jsr223.ImportGremlinPlugin: {
-        classImports: [
-          java.lang.Math,
-          org.apache.hugegraph.backend.id.IdGenerator,
-          org.apache.hugegraph.type.define.Directions,
-          org.apache.hugegraph.type.define.NodeRole,
-          org.apache.hugegraph.traversal.algorithm.CollectionPathsTraverser,
-          org.apache.hugegraph.traversal.algorithm.CountTraverser,
-          org.apache.hugegraph.traversal.algorithm.CustomizedCrosspointsTraverser,
-          org.apache.hugegraph.traversal.algorithm.CustomizePathsTraverser,
-          org.apache.hugegraph.traversal.algorithm.FusiformSimilarityTraverser,
-          org.apache.hugegraph.traversal.algorithm.HugeTraverser,
-          org.apache.hugegraph.traversal.algorithm.JaccardSimilarTraverser,
-          org.apache.hugegraph.traversal.algorithm.KneighborTraverser,
-          org.apache.hugegraph.traversal.algorithm.KoutTraverser,
-          org.apache.hugegraph.traversal.algorithm.MultiNodeShortestPathTraverser,
-          org.apache.hugegraph.traversal.algorithm.NeighborRankTraverser,
-          org.apache.hugegraph.traversal.algorithm.PathsTraverser,
-          org.apache.hugegraph.traversal.algorithm.PersonalRankTraverser,
-          org.apache.hugegraph.traversal.algorithm.SameNeighborTraverser,
-          org.apache.hugegraph.traversal.algorithm.ShortestPathTraverser,
-          org.apache.hugegraph.traversal.algorithm.SingleSourceShortestPathTraverser,
-          org.apache.hugegraph.traversal.algorithm.SubGraphTraverser,
-          org.apache.hugegraph.traversal.algorithm.TemplatePathsTraverser,
-          org.apache.hugegraph.traversal.algorithm.steps.EdgeStep,
-          org.apache.hugegraph.traversal.algorithm.steps.RepeatEdgeStep,
-          org.apache.hugegraph.traversal.algorithm.steps.WeightedEdgeStep,
-          org.apache.hugegraph.traversal.optimize.ConditionP,
-          org.apache.hugegraph.traversal.optimize.Text,
-          org.apache.hugegraph.traversal.optimize.TraversalUtil,
-          org.apache.hugegraph.util.DateUtil,
-          org.opencypher.gremlin.traversal.CustomFunctions,
-          org.opencypher.gremlin.traversal.CustomPredicate
-        ],
-        methodImports: [
-            java.lang.Math#*,
-            org.opencypher.gremlin.traversal.CustomPredicate#*,
-            org.opencypher.gremlin.traversal.CustomFunctions#*
-        ]
-      },
-      org.apache.tinkerpop.gremlin.jsr223.ScriptFileGremlinPlugin: {
-        files: [scripts/example-preload.groovy]
-      }
-    }
-  }
-}
-serializers:
-  - { className: org.apache.tinkerpop.gremlin.driver.ser.GraphBinaryMessageSerializerV1,
-      config: {
-        serializeResultToString: false,
-        ioRegistries: [org.apache.hugegraph.io.HugeGraphIoRegistry]
-      }
-  }
-  - { className: org.apache.tinkerpop.gremlin.driver.ser.GraphSONMessageSerializerV1d0,
-      config: {
-        serializeResultToString: false,
-        ioRegistries: [org.apache.hugegraph.io.HugeGraphIoRegistry]
-      }
-  }
-  - { className: org.apache.tinkerpop.gremlin.driver.ser.GraphSONMessageSerializerV2d0,
-      config: {
-        serializeResultToString: false,
-        ioRegistries: [org.apache.hugegraph.io.HugeGraphIoRegistry]
-      }
-  }
-  - { className: org.apache.tinkerpop.gremlin.driver.ser.GraphSONMessageSerializerV3d0,
-      config: {
-        serializeResultToString: false,
-        ioRegistries: [org.apache.hugegraph.io.HugeGraphIoRegistry]
-      }
-  }
-metrics: {
-  consoleReporter: {enabled: false, interval: 180000},
-  csvReporter: {enabled: false, interval: 180000, fileName: ./metrics/gremlin-server-metrics.csv},
-  jmxReporter: {enabled: false},
-  slf4jReporter: {enabled: false, interval: 180000},
-  gangliaReporter: {enabled: false, interval: 180000, addressingMode: MULTICAST},
-  graphiteReporter: {enabled: false, interval: 180000}
-}
-maxInitialLineLength: 4096
-maxHeaderSize: 8192
-maxChunkSize: 8192
-maxContentLength: 65536
-maxAccumulationBufferComponents: 1024
-resultIterationBatchSize: 64
-writeBufferLowWaterMark: 32768
-writeBufferHighWaterMark: 65536
-ssl: {
-  enabled: false
-}
diff --git a/hugegraph-dist/src/assembly/static/scripts/example-preload.groovy b/hugegraph-dist/src/assembly/static/scripts/example-preload.groovy
deleted file mode 100644
index 5ed072b2e2..0000000000
--- a/hugegraph-dist/src/assembly/static/scripts/example-preload.groovy
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with this
- * work for additional information regarding copyright ownership. The ASF
- * licenses this file to You under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * 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.
- */
-import org.apache.hugegraph.HugeFactory
-import org.apache.hugegraph.backend.id.IdGenerator
-import org.apache.hugegraph.dist.RegisterUtil
-import org.apache.hugegraph.type.define.NodeRole
-import org.apache.tinkerpop.gremlin.structure.T
-
-conf = "conf/graphs/hugegraph.properties"
-graph = HugeFactory.open(conf)
-schema = graph.schema()
-
-schema.propertyKey("name").asText().ifNotExist().create()
-schema.propertyKey("age").asInt().ifNotExist().create()
-schema.propertyKey("city").asText().ifNotExist().create()
-schema.propertyKey("weight").asDouble().ifNotExist().create()
-schema.propertyKey("lang").asText().ifNotExist().create()
-schema.propertyKey("date").asText().ifNotExist().create()
-schema.propertyKey("price").asInt().ifNotExist().create()
-
-schema.vertexLabel("person").properties("name", "age", "city").primaryKeys("name").ifNotExist().create()
-schema.vertexLabel("software").properties("name", "lang", "price").primaryKeys("name").ifNotExist().create()
-schema.indexLabel("personByCity").onV("person").by("city").secondary().ifNotExist().create()
-schema.indexLabel("personByAgeAndCity").onV("person").by("age", "city").secondary().ifNotExist().create()
-schema.indexLabel("softwareByPrice").onV("software").by("price").range().ifNotExist().create()
-schema.edgeLabel("knows").sourceLabel("person").targetLabel("person").properties("date", "weight").ifNotExist().create()
-schema.edgeLabel("created").sourceLabel("person").targetLabel("software").properties("date", "weight").ifNotExist().create()
-schema.indexLabel("createdByDate").onE("created").by("date").secondary().ifNotExist().create()
-schema.indexLabel("createdByWeight").onE("created").by("weight").range().ifNotExist().create()
-schema.indexLabel("knowsByWeight").onE("knows").by("weight").range().ifNotExist().create()
-
-marko = graph.addVertex(T.label, "person", "name", "marko", "age", 29, "city", "Beijing")
-vadas = graph.addVertex(T.label, "person", "name", "vadas", "age", 27, "city", "Hongkong")
-lop = graph.addVertex(T.label, "software", "name", "lop", "lang", "java", "price", 328)
-josh = graph.addVertex(T.label, "person", "name", "josh", "age", 32, "city", "Beijing")
-ripple = graph.addVertex(T.label, "software", "name", "ripple", "lang", "java", "price", 199)
-peter = graph.addVertex(T.label, "person", "name", "peter", "age", 35, "city", "Shanghai")
-
-marko.addEdge("knows", vadas, "date", "20160110", "weight", 0.5)
-marko.addEdge("knows", josh, "date", "20130220", "weight", 1.0)
-marko.addEdge("created", lop, "date", "20171210", "weight", 0.4)
-josh.addEdge("created", lop, "date", "20091111", "weight", 0.4)
-josh.addEdge("created", ripple, "date", "20171210", "weight", 1.0)
-peter.addEdge("created", lop, "date", "20170324", "weight", 0.2)
-
-graph.tx().commit()
-
-g = graph.traversal()
-
-System.out.println(">>>> query all vertices: size=" + g.V().toList().size())
-System.out.println(">>>> query all edges: size=" + g.E().toList().size())
\ No newline at end of file