diff --git a/app/src/main/java/com/gamedog/vididin/manager/helpers/BoxTaskHelper.kt b/app/src/main/java/com/gamedog/vididin/manager/helpers/BoxTaskHelper.kt
index 72c379b..cd3b4b2 100644
--- a/app/src/main/java/com/gamedog/vididin/manager/helpers/BoxTaskHelper.kt
+++ b/app/src/main/java/com/gamedog/vididin/manager/helpers/BoxTaskHelper.kt
@@ -188,7 +188,8 @@ class BoxTaskHelper: BaseTaskHelper<TaskStateBoxRoot, BoxTaskRoot>() {
     }
 
     fun getLeftValidBoxTotalDurationStr(): String {
-        val leftMs = TaskManager.instance().boxTaskStatus().getCurrentBoxTotalDurationMs()
+        val boxStatus = TaskManager.instance().boxTaskStatus()
+        val leftMs = boxStatus.getCurrentBoxTotalDurationMs() + boxStatus.getCurrentBoxStartTimeMs() - DateUtil.getCurTimeMs()
         val boxLeftDays = leftMs / (24*3600000)
         val boxLeftHours = (leftMs - boxLeftDays * 24 * 3600000) / 3600000
         return boxLeftDays.toString() +  ResUtil.getString(R.string.day_simple)  + " " + boxLeftHours.toString( ) + ResUtil.getString(R.string.hour_simple)