倒计时小时为0时不展示小时

@@ -36,26 +36,27 @@ function downCount(options) {
             _minute = _second * 60,
             _hour = _minute * 60,
             _day = _hour * 24,
-            days,
             hours,
             minutes,
             seconds;
 
         // calculate dates
-        days = Math.floor(difference / _day),
         hours = Math.floor((difference % _day) / _hour),
         minutes = Math.floor((difference % _hour) / _minute),
         seconds = Math.floor((difference % _minute) / _second);
 
         // fix dates so that it will show two digets
-        days = (String(days).length >= 2) ? days : '0' + days;
         hours = (String(hours).length >= 2) ? hours : '0' + hours;
         minutes = (String(minutes).length >= 2) ? minutes : '0' + minutes;
         seconds = (String(seconds).length >= 2) ? seconds : '0' + seconds;
 
         // set to DOM
         $countdownContainer.removeClass('hide');
-        $countDownHours.text('剩余' + hours + ':' + minutes + ':' + seconds);
+        if (hours === 0) {
+            $countDownHours.text('剩余' + minutes + ':' + seconds);
+        } else {
+            $countDownHours.text('剩余' + hours + ':' + minutes + ':' + seconds);
+        }
 
         difference -= 1000;