diff --git a/library/src/main/java/com/lxj/xpopup/core/BottomPopupView.java b/library/src/main/java/com/lxj/xpopup/core/BottomPopupView.java
index 9cbfdea9..2e35507c 100644
--- a/library/src/main/java/com/lxj/xpopup/core/BottomPopupView.java
+++ b/library/src/main/java/com/lxj/xpopup/core/BottomPopupView.java
@@ -60,6 +60,7 @@ public void onClose() {
 
             @Override
             public void onDrag(int value, float percent, boolean isScrollUp) {
+                if(popupInfo==null)return;
                 if(popupInfo.xPopupCallback!=null) popupInfo.xPopupCallback.onDrag(BottomPopupView.this, value, percent,isScrollUp);
                 if (popupInfo.hasShadowBg && !popupInfo.hasBlurBg) setBackgroundColor(shadowBgAnimator.calculateBgColor(percent));
             }