Polish

common/src/main/java/org/apache/rocketmq/common/MixAll.java

@@ -379,7 +379,7 @@ public class MixAll {
         }
     }
 
-    //FIXME Reverse logic comparing to RemotingUtil method, consider refactor in RocketMQ 5.0
+    //Reverse logic comparing to RemotingUtil method, consider refactor in RocketMQ 5.0
     public static String getLocalhostByNetworkInterface() throws SocketException {
         List<String> candidatesHost = new ArrayList<String>();
         Enumeration<NetworkInterface> enumeration = NetworkInterface.getNetworkInterfaces();