1 files changed, 4 insertions, 4 deletions
diff --git a/src/main/java/com/juick/server/ServerManager.java b/src/main/java/com/juick/server/ServerManager.java
index d3742503..ee8d2147 100644
--- a/src/main/java/com/juick/server/ServerManager.java
+++ b/src/main/java/com/juick/server/ServerManager.java
@@ -50,7 +50,7 @@ import java.util.stream.Collectors;
  */
 @Component
 public class ServerManager implements NotificationListener {
-    private static Logger logger = LoggerFactory.getLogger("Session");
+    private static final Logger logger = LoggerFactory.getLogger("Session");
 
     @Inject
     private MessagesService messagesService;
@@ -58,7 +58,7 @@ public class ServerManager implements NotificationListener {
     private SubscriptionService subscriptionService;
     @Inject
     private UserService userService;
-    private CopyOnWriteArrayList<EventSession> sessions = new CopyOnWriteArrayList<>();
+    private final CopyOnWriteArrayList<EventSession> sessions = new CopyOnWriteArrayList<>();
 
     @Value("${service_user:juick}")
     private String serviceUsername;
@@ -158,8 +158,8 @@ public class ServerManager implements NotificationListener {
     }
 
     public static class EventSession {
-        private User user;
-        private SseEmitter emitter;
+        private final User user;
+        private final SseEmitter emitter;
 
         public EventSession(User user, SseEmitter sseEmitter) {
             this.user = user;