diff --git a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/MasterExecThread.java b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/MasterExecThread.java
index 6c147e2628ef1f6b876f37a955c4cce6f16e5cd8..84b1114b841930f553b1a2868fa4714326711b95 100644
--- a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/MasterExecThread.java
+++ b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/MasterExecThread.java
@@ -254,7 +254,7 @@ public class MasterExecThread implements Runnable {
                 break;
             }
 
-            //  current process instance sucess ，next execute
+            //  current process instance success ,next execute
             if(null == iterator){
                 // loop by day
                 scheduleDate = DateUtils.getSomeDay(scheduleDate, 1);
@@ -575,7 +575,7 @@ public class MasterExecThread implements Runnable {
     private DependResult isTaskDepsComplete(String taskName) {
 
         Collection<String> startNodes = dag.getBeginNode();
-        // ff the vertex returns true directly
+        // if the vertex returns true directly
         if(startNodes.contains(taskName)){
             return DependResult.SUCCESS;
         }