diff --git a/app/scripts/core/utils.js b/app/scripts/core/utils.js
index feafeee..9722b9f 100644
--- a/app/scripts/core/utils.js
+++ b/app/scripts/core/utils.js
@@ -86,6 +86,7 @@
                 task.uploadSpeed = parseInt(task.uploadSpeed);
                 task.downloadSpeed = parseInt(task.downloadSpeed);
                 task.completePercent = (task.totalLength > 0 ? task.completedLength / task.totalLength * 100 : 0);
+                task.remainPercent = 100 - task.completePercent;
                 task.taskName = this.getTaskName(task);
                 task.idle = task.downloadSpeed == 0;
 
diff --git a/app/scripts/filters/taskOrderBy.js b/app/scripts/filters/taskOrderBy.js
index df46b94..1517c9b 100644
--- a/app/scripts/filters/taskOrderBy.js
+++ b/app/scripts/filters/taskOrderBy.js
@@ -6,9 +6,9 @@
             if (!angular.isArray(array)) {
                 return array;
             }
-            
+
             var orderType = utils.parseOrderType(type);
-            
+
             if (orderType == null) {
                 return array;
             }
@@ -20,7 +20,7 @@
             } else if (orderType.type == 'percent') {
                 return orderByFilter(array, ['completePercent'], orderType.reverse);
             } else if (orderType.type == 'remain') {
-                return orderByFilter(array, ['idle', 'remainTime'], orderType.reverse);
+                return orderByFilter(array, ['idle', 'remainTime', 'remainPercent'], orderType.reverse);
             } else if (orderType.type == 'dspeed') {
                 return orderByFilter(array, ['downloadSpeed'], orderType.reverse);
             } else {