diff --git a/app/src/main/java/com/yizhuan/erban/avroom/redpackage/RedPackageWidget.kt b/app/src/main/java/com/yizhuan/erban/avroom/redpackage/RedPackageWidget.kt
index eeeefe269..229da0d38 100644
--- a/app/src/main/java/com/yizhuan/erban/avroom/redpackage/RedPackageWidget.kt
+++ b/app/src/main/java/com/yizhuan/erban/avroom/redpackage/RedPackageWidget.kt
@@ -56,7 +56,7 @@ class RedPackageWidget : FrameLayoutRoomWidget, RoomWidget {
             ), R.layout.red_package_widget, this, true
         )
 
-    private val compositeDisposable = CompositeDisposable()
+    private var compositeDisposable: CompositeDisposable? = null
 
     constructor(context: Context) : super(context)
     constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
@@ -215,7 +215,16 @@ class RedPackageWidget : FrameLayoutRoomWidget, RoomWidget {
                 SingleToastUtil.showToast(it.message)
                 dialogManager?.dismissDialog()
             })
-        compositeDisposable.add(disposable)
+        getCompositeDisposable().add(disposable)
+    }
+
+    private fun getCompositeDisposable(): CompositeDisposable {
+        var disposable = compositeDisposable
+        if (disposable == null) {
+            disposable = CompositeDisposable()
+            compositeDisposable = disposable
+        }
+        return disposable
     }
 
     override fun onStop() {
@@ -227,8 +236,8 @@ class RedPackageWidget : FrameLayoutRoomWidget, RoomWidget {
 
     override fun onUnbindContext() {
         super.onUnbindContext()
-        compositeDisposable.dispose()
-        stopCountDown()
+        compositeDisposable?.dispose()
+        compositeDisposable = null
         loadData(null)
     }