diff --git a/skywalking-collector/skywalking-collector-actor/src/main/java/com/a/eye/skywalking/collector/actor/AbstractWorker.java b/skywalking-collector/skywalking-collector-actor/src/main/java/com/a/eye/skywalking/collector/actor/AbstractWorker.java
index 66b81ebab..b7e1e1c99 100644
--- a/skywalking-collector/skywalking-collector-actor/src/main/java/com/a/eye/skywalking/collector/actor/AbstractWorker.java
+++ b/skywalking-collector/skywalking-collector-actor/src/main/java/com/a/eye/skywalking/collector/actor/AbstractWorker.java
@@ -42,7 +42,7 @@ public abstract class AbstractWorker<T> extends UntypedActor {
     }
 
     public void tell(AbstractWorkerProvider targetWorkerProvider, WorkerSelector selector, T message) throws Throwable {
-        List<ActorRef> avaibleWorks = WorkersRefCenter.INSTANCE.avaibleWorks(targetWorkerProvider.roleName());
+        List<ActorRef> avaibleWorks = WorkersRefCenter.INSTANCE.availableWorks(targetWorkerProvider.roleName());
         selector.select(avaibleWorks, message).tell(message, getSelf());
     }
 
diff --git a/skywalking-collector/skywalking-collector-cluster/src/main/java/com/a/eye/skywalking/collector/cluster/NoAvailableWorkerException.java b/skywalking-collector/skywalking-collector-cluster/src/main/java/com/a/eye/skywalking/collector/cluster/NoAvailableWorkerException.java
index 14e1b7ab9..08bf4f051 100644
--- a/skywalking-collector/skywalking-collector-cluster/src/main/java/com/a/eye/skywalking/collector/cluster/NoAvailableWorkerException.java
+++ b/skywalking-collector/skywalking-collector-cluster/src/main/java/com/a/eye/skywalking/collector/cluster/NoAvailableWorkerException.java
@@ -2,7 +2,7 @@ package com.a.eye.skywalking.collector.cluster;
 
 /**
  * The <code>NoAvailableWorkerException</code> represents no available member，
- * when a {@link WorkerSelector} try to select.
+ * when the {@link WorkersRefCenter#availableWorks(String)} try to get the list.
  *
  * Most likely, in the cluster, these is no active worker of the particular role.
  *
diff --git a/skywalking-collector/skywalking-collector-cluster/src/main/java/com/a/eye/skywalking/collector/cluster/WorkersRefCenter.java b/skywalking-collector/skywalking-collector-cluster/src/main/java/com/a/eye/skywalking/collector/cluster/WorkersRefCenter.java
index 4a87afb2d..41d52b577 100644
--- a/skywalking-collector/skywalking-collector-cluster/src/main/java/com/a/eye/skywalking/collector/cluster/WorkersRefCenter.java
+++ b/skywalking-collector/skywalking-collector-cluster/src/main/java/com/a/eye/skywalking/collector/cluster/WorkersRefCenter.java
@@ -43,7 +43,7 @@ public enum WorkersRefCenter {
      * @return available {@link ActorRef} list
      * @throws NoAvailableWorkerException , when no available worker.
      */
-    public List<ActorRef> avaibleWorks(String workerRole) throws NoAvailableWorkerException {
+    public List<ActorRef> availableWorks(String workerRole) throws NoAvailableWorkerException {
         List<ActorRef> refs = roleToActor.get(workerRole);
         if(refs == null || refs.size() == 0){
             throw new NoAvailableWorkerException("role=" + workerRole + ", no available worker.");