diff --git a/server/src/main/java/org/apache/iotdb/db/engine/StorageEngine.java b/server/src/main/java/org/apache/iotdb/db/engine/StorageEngine.java
index d7d1df62b32a0901589b41c7861c80f517d38cbc..6594bf208d7689e8201ff204a57f821a859f7508 100644
--- a/server/src/main/java/org/apache/iotdb/db/engine/StorageEngine.java
+++ b/server/src/main/java/org/apache/iotdb/db/engine/StorageEngine.java
@@ -292,7 +292,7 @@ public class StorageEngine implements IService {
   }
 
   @Override
-  public void shutdown(long millseconds) throws ShutdownException {
+  public void shutdown(long milliseconds) throws ShutdownException {
     try {
       forceCloseAllProcessor();
     } catch (TsFileProcessorException e) {
diff --git a/server/src/main/java/org/apache/iotdb/db/engine/compaction/CompactionMergeTaskPoolManager.java b/server/src/main/java/org/apache/iotdb/db/engine/compaction/CompactionMergeTaskPoolManager.java
index 830ea56f3eb45c4b29fc67cb74b0b3fef31b38ce..aa2ef5f7ca646e195260ab2edf165d52d118c70b 100644
--- a/server/src/main/java/org/apache/iotdb/db/engine/compaction/CompactionMergeTaskPoolManager.java
+++ b/server/src/main/java/org/apache/iotdb/db/engine/compaction/CompactionMergeTaskPoolManager.java
@@ -67,9 +67,9 @@ public class CompactionMergeTaskPoolManager implements IService {
   }
 
   @Override
-  public void waitAndStop(long millseconds) {
+  public void waitAndStop(long milliseconds) {
     if (pool != null) {
-      awaitTermination(pool, millseconds);
+      awaitTermination(pool, milliseconds);
       logger.info("Waiting for task pool to shut down");
       waitTermination();
     }
@@ -96,12 +96,12 @@ public class CompactionMergeTaskPoolManager implements IService {
     logger.info("CompactionManager stopped");
   }
 
-  private void awaitTermination(ExecutorService service, long millseconds) {
+  private void awaitTermination(ExecutorService service, long milliseconds) {
     try {
       service.shutdown();
-      service.awaitTermination(millseconds, TimeUnit.MILLISECONDS);
+      service.awaitTermination(milliseconds, TimeUnit.MILLISECONDS);
     } catch (InterruptedException e) {
-      logger.warn("CompactionThreadPool can not be closed in {} ms", millseconds);
+      logger.warn("CompactionThreadPool can not be closed in {} ms", milliseconds);
       Thread.currentThread().interrupt();
     }
     service.shutdownNow();
diff --git a/server/src/main/java/org/apache/iotdb/db/engine/merge/manage/MergeManager.java b/server/src/main/java/org/apache/iotdb/db/engine/merge/manage/MergeManager.java
index ac0e38d4a43a1fa037440ce1a19db270ce137c77..aa4f0d119e8695acd042b1fc332ec85c91f89468 100644
--- a/server/src/main/java/org/apache/iotdb/db/engine/merge/manage/MergeManager.java
+++ b/server/src/main/java/org/apache/iotdb/db/engine/merge/manage/MergeManager.java
@@ -192,17 +192,17 @@ public class MergeManager implements IService, MergeManagerMBean {
   }
 
   @Override
-  public void waitAndStop(long millseconds) {
+  public void waitAndStop(long milliseconds) {
     if (mergeTaskPool != null) {
       if (timedMergeThreadPool != null) {
-        awaitTermination(timedMergeThreadPool, millseconds);
+        awaitTermination(timedMergeThreadPool, milliseconds);
         timedMergeThreadPool = null;
       }
-      awaitTermination(taskCleanerThreadPool, millseconds);
+      awaitTermination(taskCleanerThreadPool, milliseconds);
       taskCleanerThreadPool = null;
 
-      awaitTermination(mergeTaskPool, millseconds);
-      awaitTermination(mergeChunkSubTaskPool, millseconds);
+      awaitTermination(mergeTaskPool, milliseconds);
+      awaitTermination(mergeChunkSubTaskPool, milliseconds);
       logger.info("Waiting for task pool to shut down");
       long startTime = System.currentTimeMillis();
       while (!mergeTaskPool.isTerminated() || !mergeChunkSubTaskPool.isTerminated()) {
@@ -227,12 +227,12 @@ public class MergeManager implements IService, MergeManagerMBean {
     }
   }
 
-  private void awaitTermination(ExecutorService service, long millseconds) {
+  private void awaitTermination(ExecutorService service, long milliseconds) {
     try {
       service.shutdown();
-      service.awaitTermination(millseconds, TimeUnit.MILLISECONDS);
+      service.awaitTermination(milliseconds, TimeUnit.MILLISECONDS);
     } catch (InterruptedException e) {
-      logger.warn("MergeThreadPool can not be closed in {} ms", millseconds);
+      logger.warn("MergeThreadPool can not be closed in {} ms", milliseconds);
       Thread.currentThread().interrupt();
     }
     service.shutdownNow();
diff --git a/server/src/main/java/org/apache/iotdb/db/service/IService.java b/server/src/main/java/org/apache/iotdb/db/service/IService.java
index 96c49188756e3db11f3d0ece3d094c9f1f1a941f..4bd32ddd9e69d8c90b58de9e1d6913d630f9ecdb 100644
--- a/server/src/main/java/org/apache/iotdb/db/service/IService.java
+++ b/server/src/main/java/org/apache/iotdb/db/service/IService.java
@@ -34,9 +34,9 @@ public interface IService {
    */
   void stop();
 
-  default void waitAndStop(long millseconds) {stop();}
+  default void waitAndStop(long milliseconds) {stop();}
 
-  default void shutdown(long millseconds) throws ShutdownException {waitAndStop(millseconds);}
+  default void shutdown(long milliseconds) throws ShutdownException {waitAndStop(milliseconds);}
 
   /**
    * Get the name of the the service.