diff --git a/dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/AlertServer.java b/dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/AlertServer.java
index a41498e25842f4e21974575d6fc211c89d1d27c1..58a37c2f41dcf028617f8f9720c77df4b756a2b0 100644
--- a/dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/AlertServer.java
+++ b/dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/AlertServer.java
@@ -56,7 +56,7 @@ public class AlertServer {
         logger.info("alert server ready start ");
         while (Stopper.isRunning()){
             try {
-                Thread.sleep(Constants.ALERT_SCAN_INTERVEL);
+                Thread.sleep(Constants.ALERT_SCAN_INTERVAL);
             } catch (InterruptedException e) {
                 logger.error(e.getMessage(),e);
                 Thread.currentThread().interrupt();
diff --git a/dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/utils/Constants.java b/dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/utils/Constants.java
index f96873bdde2a0d50d74d9198f37157d76ec0d969..55c0f9ffbf601f0dd0e068d70cee49e76a03a2a2 100644
--- a/dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/utils/Constants.java
+++ b/dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/utils/Constants.java
@@ -133,7 +133,7 @@ public class Constants {
 
     public static final String TH_END = "</th>";
 
-    public static final int ALERT_SCAN_INTERVEL = 5000;
+    public static final int ALERT_SCAN_INTERVAL = 5000;
 
     public static final String MARKDOWN_QUOTE = ">";
 
diff --git a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/thread/Stopper.java b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/thread/Stopper.java
index 1c58f879a0b05aef9aefd79e385278aa59ac0c10..cad6914cb8379c9bd03b2c9b1a6e045e147805bc 100644
--- a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/thread/Stopper.java
+++ b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/thread/Stopper.java
@@ -25,7 +25,7 @@ public class Stopper {
 
 	private static volatile AtomicBoolean signal = new AtomicBoolean(false);
 	
-	public static final boolean isStoped(){
+	public static final boolean isStopped(){
 		return signal.get();
 	}
 	
diff --git a/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/threadutils/ThreadUtilsTest.java b/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/threadutils/ThreadUtilsTest.java
index 52c8031e7518bd571197b0aea550837b33b1d034..2c76f40c0bd2f338db7055305443dcbc1ded4e67 100644
--- a/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/threadutils/ThreadUtilsTest.java
+++ b/dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/threadutils/ThreadUtilsTest.java
@@ -98,7 +98,7 @@ public class ThreadUtilsTest {
     public void testStopper() {
         assertTrue(Stopper.isRunning());
         Stopper.stop();
-        assertTrue(Stopper.isStoped());
+        assertTrue(Stopper.isStopped());
     }
 
     /**
diff --git a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/MasterServer.java b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/MasterServer.java
index 2e52b834645d03a1961218b7f347e7bc8ea368a7..65c5607af73300c8a437f8f715679a80cf15a3f4 100644
--- a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/MasterServer.java
+++ b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/MasterServer.java
@@ -173,7 +173,7 @@ public class MasterServer implements IStoppable {
 
         try {
             //execute only once
-            if(Stopper.isStoped()){
+            if(Stopper.isStopped()){
                 return;
             }
 
diff --git a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/WorkerServer.java b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/WorkerServer.java
index b3301d1825ce5c17cfc7875c375b6ad122666f2d..d270880408cfd4233549d55f6fc947b324707d88 100644
--- a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/WorkerServer.java
+++ b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/WorkerServer.java
@@ -201,7 +201,7 @@ public class WorkerServer implements IStoppable {
 
         try {
             //execute only once
-            if(Stopper.isStoped()){
+            if(Stopper.isStopped()){
                 return;
             }