diff --git a/acl/src/test/java/org/apache/rocketmq/acl/plain/PlainAccessValidatorTest.java b/acl/src/test/java/org/apache/rocketmq/acl/plain/PlainAccessValidatorTest.java
index 8522e165295..51667584ebd 100644
--- a/acl/src/test/java/org/apache/rocketmq/acl/plain/PlainAccessValidatorTest.java
+++ b/acl/src/test/java/org/apache/rocketmq/acl/plain/PlainAccessValidatorTest.java
@@ -470,9 +470,12 @@ public void validateGetAllTopicConfigTest() {
 
     @Test
     public void addAccessAclYamlConfigTest() throws InterruptedException {
+        String backupFileName = System.getProperty("rocketmq.home.dir")
+            + File.separator + "conf/plain_acl_bak.yml".replace("/", File.separator);
         String targetFileName = System.getProperty("rocketmq.home.dir")
-            + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
-        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(targetFileName, Map.class);
+                + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
+        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(backupFileName, Map.class);
+        AclUtils.writeDataObject(targetFileName, backUpAclConfigMap);
 
         PlainAccessConfig plainAccessConfig = new PlainAccessConfig();
         plainAccessConfig.setAccessKey("rocketmq3");
@@ -552,8 +555,12 @@ public void getAccessAclYamlConfigTest() {
 
     @Test
     public void updateAccessAclYamlConfigTest() throws InterruptedException {
-        String targetFileName = System.getProperty("rocketmq.home.dir") + File.separator + "conf/plain_acl.yml";
-        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(targetFileName, Map.class);
+        String backupFileName = System.getProperty("rocketmq.home.dir")
+                + File.separator + "conf/plain_acl_bak.yml".replace("/", File.separator);
+        String targetFileName = System.getProperty("rocketmq.home.dir")
+                + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
+        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(backupFileName, Map.class);
+        AclUtils.writeDataObject(targetFileName, backUpAclConfigMap);
 
         PlainAccessConfig plainAccessConfig = new PlainAccessConfig();
         plainAccessConfig.setAccessKey("rocketmq3");
@@ -628,9 +635,12 @@ public void updateAccessAclYamlConfigTest() throws InterruptedException {
 
     @Test
     public void deleteAccessAclYamlConfigTest() throws InterruptedException {
+        String backupFileName = System.getProperty("rocketmq.home.dir")
+                + File.separator + "conf/plain_acl_bak.yml".replace("/", File.separator);
         String targetFileName = System.getProperty("rocketmq.home.dir")
-            + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
-        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(targetFileName, Map.class);
+                + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
+        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(backupFileName, Map.class);
+        AclUtils.writeDataObject(targetFileName, backUpAclConfigMap);
 
         PlainAccessConfig plainAccessConfig = new PlainAccessConfig();
         plainAccessConfig.setAccessKey("rocketmq3");
@@ -676,9 +686,12 @@ public void deleteAccessAclYamlConfigTest() throws InterruptedException {
 
     @Test
     public void updateGlobalWhiteRemoteAddressesTest() throws InterruptedException {
+        String backupFileName = System.getProperty("rocketmq.home.dir")
+                + File.separator + "conf/plain_acl_bak.yml".replace("/", File.separator);
         String targetFileName = System.getProperty("rocketmq.home.dir")
-            + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
-        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(targetFileName, Map.class);
+                + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
+        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(backupFileName, Map.class);
+        AclUtils.writeDataObject(targetFileName, backUpAclConfigMap);
 
         List<String> globalWhiteAddrsList = new ArrayList<>();
         globalWhiteAddrsList.add("192.168.1.*");
@@ -794,9 +807,12 @@ public void updateAccessAnotherAclYamlConfigTest() throws IOException, Interrupt
 
     @Test(expected = AclException.class)
     public void createAndUpdateAccessAclNullSkExceptionTest() {
+        String backupFileName = System.getProperty("rocketmq.home.dir")
+                + File.separator + "conf/plain_acl_bak.yml".replace("/", File.separator);
         String targetFileName = System.getProperty("rocketmq.home.dir")
-            + File.separator + "conf/acl/plain_acl.yml".replace("/", File.separator);
-        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(targetFileName, Map.class);
+                + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
+        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(backupFileName, Map.class);
+        AclUtils.writeDataObject(targetFileName, backUpAclConfigMap);
 
         PlainAccessConfig plainAccessConfig = new PlainAccessConfig();
         plainAccessConfig.setAccessKey("RocketMQ33");
@@ -811,9 +827,12 @@ public void createAndUpdateAccessAclNullSkExceptionTest() {
     @Test
     public void addAccessDefaultAclYamlConfigTest() throws InterruptedException {
         PlainAccessValidator plainAccessValidator = new PlainAccessValidator();
+        String backupFileName = System.getProperty("rocketmq.home.dir")
+                + File.separator + "conf/plain_acl_bak.yml".replace("/", File.separator);
         String targetFileName = System.getProperty("rocketmq.home.dir")
-            + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
-        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(targetFileName, Map.class);
+                + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
+        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(backupFileName, Map.class);
+        AclUtils.writeDataObject(targetFileName, backUpAclConfigMap);
 
         PlainAccessConfig plainAccessConfig = new PlainAccessConfig();
         plainAccessConfig.setAccessKey("watchrocketmqh");
@@ -903,9 +922,12 @@ public void getAllAclConfigTest() {
 
     @Test
     public void updateAccessConfigEmptyPermListTest() {
+        String backupFileName = System.getProperty("rocketmq.home.dir")
+                + File.separator + "conf/plain_acl_bak.yml".replace("/", File.separator);
         String targetFileName = System.getProperty("rocketmq.home.dir")
-            + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
-        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(targetFileName, Map.class);
+                + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
+        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(backupFileName, Map.class);
+        AclUtils.writeDataObject(targetFileName, backUpAclConfigMap);
 
         PlainAccessValidator plainAccessValidator = new PlainAccessValidator();
         PlainAccessConfig plainAccessConfig = new PlainAccessConfig();
@@ -932,9 +954,12 @@ public void updateAccessConfigEmptyPermListTest() {
 
     @Test
     public void updateAccessConfigEmptyWhiteRemoteAddressTest() {
+        String backupFileName = System.getProperty("rocketmq.home.dir")
+                + File.separator + "conf/plain_acl_bak.yml".replace("/", File.separator);
         String targetFileName = System.getProperty("rocketmq.home.dir")
-            + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
-        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(targetFileName, Map.class);
+                + File.separator + "conf/plain_acl.yml".replace("/", File.separator);
+        Map<String, Object> backUpAclConfigMap = AclUtils.getYamlDataObject(backupFileName, Map.class);
+        AclUtils.writeDataObject(targetFileName, backUpAclConfigMap);
 
         PlainAccessValidator plainAccessValidator = new PlainAccessValidator();
         PlainAccessConfig plainAccessConfig = new PlainAccessConfig();
diff --git a/acl/src/test/resources/conf/plain_acl_bak.yml b/acl/src/test/resources/conf/plain_acl_bak.yml
new file mode 100644
index 00000000000..59bd6d4ff29
--- /dev/null
+++ b/acl/src/test/resources/conf/plain_acl_bak.yml
@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+## suggested format
+
+globalWhiteRemoteAddresses:
+- 10.10.103.*
+- 192.168.0.*
+accounts:
+- accessKey: RocketMQ
+  secretKey: 12345678
+  whiteRemoteAddress: 192.168.0.*
+  admin: false
+  defaultTopicPerm: DENY
+  defaultGroupPerm: SUB
+  topicPerms:
+  - topicA=DENY
+  - topicB=PUB|SUB
+  - topicC=SUB
+  groupPerms:
+  - groupA=DENY
+  - groupB=SUB
+  - groupC=SUB
+- accessKey: rocketmq2
+  secretKey: 12345678
+  whiteRemoteAddress: 192.168.1.*
+  admin: true