Repair Whiteboard display incomplete

@@ -151,7 +151,7 @@ public class DocFragment extends Fragment implements ObserverListener{
             if (intervalTime != 0) {
                 intervalTime = System.currentTimeMillis() - intervalTime;
                 if (intervalTime < 150) {//小于100毫秒 不执行?
-                    mHandler.removeCallbacksAndMessages(null);
+//                    mHandler.removeCallbacksAndMessages(null);
                 }
                 delayDraw(whiteboardUpdateEntity);
             } else {