diff --git a/acl/src/main/java/org/apache/rocketmq/acl/plain/PlainPermissionManager.java b/acl/src/main/java/org/apache/rocketmq/acl/plain/PlainPermissionManager.java
index 245bd9e750310ce11a2d1f75b1bde8e1cdd0eb0f..f1db0f4cc3a7aba82af4440290fe375797894c89 100644
--- a/acl/src/main/java/org/apache/rocketmq/acl/plain/PlainPermissionManager.java
+++ b/acl/src/main/java/org/apache/rocketmq/acl/plain/PlainPermissionManager.java
@@ -134,7 +134,7 @@ public class PlainPermissionManager {
         Map<String, Object> aclAccessConfigMap = AclUtils.getYamlDataObject(fileHome + File.separator + fileName,
             Map.class);
         if (aclAccessConfigMap == null || aclAccessConfigMap.isEmpty()) {
-            throw new AclException(String.format("%s file not found or empty", fileHome + File.separator + fileName));
+            throw new AclException(String.format("the %s file is not found or empty", fileHome + File.separator + fileName));
         }
         List<Map<String, Object>> accounts = (List<Map<String, Object>>) aclAccessConfigMap.get(AclConstants.CONFIG_ACCOUNTS);
         Map<String, Object> updateAccountMap = null;
@@ -166,14 +166,14 @@ public class PlainPermissionManager {
         return false;
     }
 
-    private Map<String, Object> createAclAccessConfigMap(Map<String, Object> existedAccoutMap,
+    private Map<String, Object> createAclAccessConfigMap(Map<String, Object> existedAccountMap,
         PlainAccessConfig plainAccessConfig) {
 
         Map<String, Object> newAccountsMap = null;
-        if (existedAccoutMap == null) {
+        if (existedAccountMap == null) {
             newAccountsMap = new LinkedHashMap<String, Object>();
         } else {
-            newAccountsMap = existedAccoutMap;
+            newAccountsMap = existedAccountMap;
         }
 
         if (StringUtils.isEmpty(plainAccessConfig.getAccessKey()) ||
@@ -223,7 +223,7 @@ public class PlainPermissionManager {
         Map<String, Object> aclAccessConfigMap = AclUtils.getYamlDataObject(fileHome + File.separator + fileName,
             Map.class);
         if (aclAccessConfigMap == null || aclAccessConfigMap.isEmpty()) {
-            throw new AclException(String.format("%s file not found or empty", fileHome + File.separator + fileName));
+            throw new AclException(String.format("the %s file is not found or empty", fileHome + File.separator + fileName));
         }
         List<Map<String, Object>> accounts = (List<Map<String, Object>>) aclAccessConfigMap.get("accounts");
         if (accounts != null) {
@@ -257,7 +257,7 @@ public class PlainPermissionManager {
         Map<String, Object> aclAccessConfigMap = AclUtils.getYamlDataObject(fileHome + File.separator + fileName,
             Map.class);
         if (aclAccessConfigMap == null || aclAccessConfigMap.isEmpty()) {
-            throw new AclException(String.format("%s file not found or empty", fileHome + File.separator + fileName));
+            throw new AclException(String.format("the %s file is not found or empty", fileHome + File.separator + fileName));
         }
         List<String> globalWhiteRemoteAddrList = (List<String>) aclAccessConfigMap.get(AclConstants.CONFIG_GLOBAL_WHITE_ADDRS);