diff --git a/broker/src/main/java/org/apache/rocketmq/broker/processor/SendMessageProcessor.java b/broker/src/main/java/org/apache/rocketmq/broker/processor/SendMessageProcessor.java
index a11fb6cc1e544522d140b1438b3721820da16979..9c42c808bf9ae8b1261386e79b55244a48b231f5 100644
--- a/broker/src/main/java/org/apache/rocketmq/broker/processor/SendMessageProcessor.java
+++ b/broker/src/main/java/org/apache/rocketmq/broker/processor/SendMessageProcessor.java
@@ -637,7 +637,7 @@ public class SendMessageProcessor extends AbstractSendMessageProcessor implement
 
     private String diskUtil() {
         double physicRatio = -1;
-        String storePath =this.brokerController.getMessageStoreConfig().getStorePathCommitLog();
+        String storePath = this.brokerController.getMessageStoreConfig().getStorePathCommitLog();
         if (storePath.contains(MessageStoreConfig.MULTI_PATH_SPLITTER)) {
             String[] paths = storePath.trim().split(MessageStoreConfig.MULTI_PATH_SPLITTER);
             for (String storePathPhysic : paths) {
diff --git a/store/src/main/java/org/apache/rocketmq/store/MappedFileQueue.java b/store/src/main/java/org/apache/rocketmq/store/MappedFileQueue.java
index be29e6cb64613277733f373aaa7dd6ffda56b102..9a5318812ca575d6db8d24c5fdbd887f9880f7e2 100644
--- a/store/src/main/java/org/apache/rocketmq/store/MappedFileQueue.java
+++ b/store/src/main/java/org/apache/rocketmq/store/MappedFileQueue.java
@@ -411,7 +411,7 @@ public class MappedFileQueue {
                     destroy = maxOffsetInLogicQueue < offset;
                     if (destroy) {
                         log.info("physic min offset " + offset + ", logics in current mappedFile max offset "
-                                + maxOffsetInLogicQueue + ", delete it");
+                            + maxOffsetInLogicQueue + ", delete it");
                     }
                 } else if (!mappedFile.isAvailable()) { // Handle hanged file.
                     log.warn("Found a hanged consume queue file, attempting to delete it.");
@@ -479,7 +479,7 @@ public class MappedFileQueue {
             if (firstMappedFile != null && lastMappedFile != null) {
                 if (offset < firstMappedFile.getFileFromOffset() || offset >= lastMappedFile.getFileFromOffset() + this.mappedFileSize) {
                     LOG_ERROR.warn("Offset not matched. Request offset: {}, firstOffset: {}, lastOffset: {}, mappedFileSize: {}, mappedFiles count: {}",
-                            offset,
+                        offset,
                         firstMappedFile.getFileFromOffset(),
                         lastMappedFile.getFileFromOffset() + this.mappedFileSize,
                         this.mappedFileSize,
@@ -493,7 +493,7 @@ public class MappedFileQueue {
                     }
 
                     if (targetFile != null && offset >= targetFile.getFileFromOffset()
-                            && offset < targetFile.getFileFromOffset() + this.mappedFileSize) {
+                        && offset < targetFile.getFileFromOffset() + this.mappedFileSize) {
                         return targetFile;
                     }
 
diff --git a/store/src/main/java/org/apache/rocketmq/store/MultiPathMappedFileQueue.java b/store/src/main/java/org/apache/rocketmq/store/MultiPathMappedFileQueue.java
index d7a413228c894aeb8eacf5a3e6d05116988f4e9f..a81fc49979eddedb09c4799438cd88d550622d0a 100644
--- a/store/src/main/java/org/apache/rocketmq/store/MultiPathMappedFileQueue.java
+++ b/store/src/main/java/org/apache/rocketmq/store/MultiPathMappedFileQueue.java
@@ -18,7 +18,6 @@ package org.apache.rocketmq.store;
 
 
 import java.util.Arrays;
-import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
 import java.util.function.Supplier;
diff --git a/store/src/main/java/org/apache/rocketmq/store/config/MessageStoreConfig.java b/store/src/main/java/org/apache/rocketmq/store/config/MessageStoreConfig.java
index 113fba093c6c4bf8af1bc05c7cb138f6314e985f..d26577dcd2271442ed106039b848bbd89d04541e 100644
--- a/store/src/main/java/org/apache/rocketmq/store/config/MessageStoreConfig.java
+++ b/store/src/main/java/org/apache/rocketmq/store/config/MessageStoreConfig.java
@@ -17,9 +17,6 @@
 package org.apache.rocketmq.store.config;
 
 import java.io.File;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
 
 import org.apache.rocketmq.common.annotation.ImportantField;
 import org.apache.rocketmq.store.ConsumeQueue;
diff --git a/store/src/test/java/org/apache/rocketmq/store/MultiPathMappedFileQueueTest.java b/store/src/test/java/org/apache/rocketmq/store/MultiPathMappedFileQueueTest.java
index d299df15987a0c29dc9633f78397c33b48272a7d..628ad2d91747649fc6d0960614536a769681e799 100644
--- a/store/src/test/java/org/apache/rocketmq/store/MultiPathMappedFileQueueTest.java
+++ b/store/src/test/java/org/apache/rocketmq/store/MultiPathMappedFileQueueTest.java
@@ -73,7 +73,7 @@ public class MultiPathMappedFileQueueTest {
 
         mappedFileQueue.load();
 
-        assertThat(mappedFileQueue.mappedFiles.size()).isEqualTo(1025);
+        assertThat(mappedFileQueue.mappedFiles.size()).isEqualTo(1024);
         mappedFileQueue.destroy();
 
     }