update

edu-im/edu-im-server/src/main/java/com/keao/edu/im/mec/im/IMHelper.java

@@ -392,7 +392,6 @@ public class IMHelper {
 
         JSONArray videos = new JSONArray();
         int size = roomMembers.size();
-        boolean isMaster = false;
         for (int i = 0; i < size; i++) {
             RoomMember roomMember = roomMembers.get(i);
             JSONObject video = new JSONObject();
@@ -403,10 +402,7 @@ public class IMHelper {
                 video.put("y",0);
                 video.put("width",1);
                 video.put("height",1);
-                isMaster = true;
-            }
-            videos.add(video);
-            if (isMaster){
+                videos.add(video);
                 break;
             }
         }