diff --git a/LemonBubble/lemonbubble/src/main/java/net/lemonsoft/lemonbubble/LemonBubbleView.java b/LemonBubble/lemonbubble/src/main/java/net/lemonsoft/lemonbubble/LemonBubbleView.java
index 918615a..ecbc48f 100644
--- a/LemonBubble/lemonbubble/src/main/java/net/lemonsoft/lemonbubble/LemonBubbleView.java
+++ b/LemonBubble/lemonbubble/src/main/java/net/lemonsoft/lemonbubble/LemonBubbleView.java
@@ -136,7 +136,8 @@ private void initCommonView() {
         _backMaskView.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                _currentBubbleInfo.getOnMaskTouchContext().onTouch(_currentBubbleInfo, LemonBubbleView.this);
+                if (_currentBubbleInfo.getOnMaskTouchContext() != null)
+                    _currentBubbleInfo.getOnMaskTouchContext().onTouch(_currentBubbleInfo, LemonBubbleView.this);
             }
         });
         // 设置全屏宽