diff --git a/Class/LearningCenter/OnlineLearning/VideoHelperViewController.m b/Class/LearningCenter/OnlineLearning/VideoHelperViewController.m
index 7e6674b276ec78ecdb000f0f3a5fc415e63ac8fa..db43afeea2e02e4b7f91a0f4dc0923ab4b6b953a 100644
--- a/Class/LearningCenter/OnlineLearning/VideoHelperViewController.m
+++ b/Class/LearningCenter/OnlineLearning/VideoHelperViewController.m
@@ -244,6 +244,7 @@
     [self customDealloc];
     self.playButton.selected = YES;
     self.bufferProgressView.progress = 0;
+    [self.playerLayer removeFromSuperlayer];
     self.playingTimeLabel.text = @"00:00";
 }