...

renren-admin/src/main/java/io/renren/websocket/WebSocketServer.java

@@ -76,11 +76,11 @@ public class WebSocketServer {
      * @param message 消息内容
      */
     public void sendMessage(Long userId, MessageData<?> message) {
-        servers.values().forEach(info -> {
-            if (userId.equals(info.getUserId())) {
-                sendMessage(info.getSession(), message);
-            }
-        });
+        servers.values().stream()
+                .filter(index -> userId.equals(index.getUserId()))
+                .forEach(index -> {
+                    sendMessage(index.getSession(), message);
+                });
     }
 
     /**