diff --git a/hugegraph-core/src/main/java/org/apache/hugegraph/StandardHugeGraph.java b/hugegraph-core/src/main/java/org/apache/hugegraph/StandardHugeGraph.java
index 37f6a39d72..688b5ba8ef 100644
--- a/hugegraph-core/src/main/java/org/apache/hugegraph/StandardHugeGraph.java
+++ b/hugegraph-core/src/main/java/org/apache/hugegraph/StandardHugeGraph.java
@@ -270,7 +270,7 @@ public void serverStarted(Id serverId, NodeRole serverRole) {
                  serverId, serverRole, this.name);
         this.serverInfoManager().initServerInfo(serverId, serverRole);
 
-        initRoleStateWorker(serverId);
+        this.initRoleStateWorker(serverId);
 
         // TODO: check necessary?
         LOG.info("Check olap property-key tables for graph '{}'", this.name);
diff --git a/hugegraph-core/src/main/java/org/apache/hugegraph/config/CoreOptions.java b/hugegraph-core/src/main/java/org/apache/hugegraph/config/CoreOptions.java
index 69da880e52..862cabb454 100644
--- a/hugegraph-core/src/main/java/org/apache/hugegraph/config/CoreOptions.java
+++ b/hugegraph-core/src/main/java/org/apache/hugegraph/config/CoreOptions.java
@@ -637,7 +637,7 @@ public static synchronized CoreOptions instance() {
 
     public static final ConfigOption<Integer> RANDOM_TIMEOUT_MILLISECOND =
             new ConfigOption<>(
-                    "server.role.random.timeout",
+                    "server.role.random_timeout",
                     "The role state machine random timeout millisecond time",
                     rangeInt(0, Integer.MAX_VALUE),
                     400
@@ -645,7 +645,7 @@ public static synchronized CoreOptions instance() {
 
     public static final ConfigOption<Integer> HEARTBEAT_INTERVAL_SECOUND =
             new ConfigOption<>(
-                    "server.role.heartbeat.interval",
+                    "server.role.heartbeat_interval",
                     "The role state machine heartbeat interval second time",
                     rangeInt(0, Integer.MAX_VALUE),
                     1
@@ -653,7 +653,7 @@ public static synchronized CoreOptions instance() {
 
     public static final ConfigOption<Integer> EXCEEDS_WORKER_COUNT =
             new ConfigOption<>(
-                    "server.role.worker.count",
+                    "server.role.worker_count",
                     "Check the number of times that the master node does not initiate " +
                             "the heartbeat threshold",
                     rangeInt(0, Integer.MAX_VALUE),
@@ -662,7 +662,7 @@ public static synchronized CoreOptions instance() {
 
     public static final ConfigOption<Integer> BASE_TIMEOUT_MILLISECOND =
             new ConfigOption<>(
-                    "server.role.base.timeout",
+                    "server.role.base_timeout",
                     "The role state machine candidate state base timeout time",
                     rangeInt(0, Integer.MAX_VALUE),
                     100
diff --git a/hugegraph-core/src/main/java/org/apache/hugegraph/election/StandardRoleTypeDataAdapter.java b/hugegraph-core/src/main/java/org/apache/hugegraph/election/StandardRoleTypeDataAdapter.java
index 65c9640f11..4b917f9f11 100644
--- a/hugegraph-core/src/main/java/org/apache/hugegraph/election/StandardRoleTypeDataAdapter.java
+++ b/hugegraph-core/src/main/java/org/apache/hugegraph/election/StandardRoleTypeDataAdapter.java
@@ -43,9 +43,9 @@ public class StandardRoleTypeDataAdapter implements RoleTypeDataAdapter {
     private final HugeGraphParams graphParams;
     private final Schema schema;
 
-    public StandardRoleTypeDataAdapter(HugeGraphParams graphParams) {
-        this.graphParams = graphParams;
-        this.schema = new Schema(graphParams);
+    public StandardRoleTypeDataAdapter(HugeGraphParams graph) {
+        this.graphParams = graph;
+        this.schema = new Schema(graph);
         this.schema.initSchemaIfNeeded();
     }