diff --git a/module/execution/js/task.ui.js b/module/execution/js/task.ui.js
index 59ba2611d1..2a610c4edd 100644
--- a/module/execution/js/task.ui.js
+++ b/module/execution/js/task.ui.js
@@ -9,3 +9,57 @@ $(document).on('click', '.batch-btn', function()
     checkedList.forEach((id) => form.append('taskIdList[]', id));
     postAndLoadPage(url, form);
 });
+
+
+/**
+ * 计算表格任务信息的统计。
+ * Set task summary for table footer.
+ *
+ * @param  element element
+ * @param  array   checkedIDList
+ * @access public
+ * @return object
+ */
+window.setStatistics = function(element, checkedIDList)
+{
+    let totalLeft     = 0;
+    let totalEstimate = 0;
+    let totalConsumed = 0;
+
+    let waitCount  = 0;
+    let doingCount = 0;
+    let totalCount = 0;
+
+    const rows  = element.layout.allRows;
+    rows.forEach((row) => {
+        if(checkedIDList.length == 0 || checkedIDList.includes(row.id))
+        {
+            const task = row.data;
+
+            totalEstimate += Number(task.estimate);
+            totalConsumed += Number(task.consumed);
+            if(task.status != 'cancel' && task.status != 'closed') totalLeft += Number(task.left);
+
+            if(task.status == 'wait')
+            {
+                waitCount ++;
+            }
+            else if(task.status == 'doing')
+            {
+                doingCount ++;
+            }
+
+            totalCount ++;
+        }
+    })
+
+    const summary = checkedIDList.length > 0 ? checkedSummary : pageSummary;
+    return {
+        html: summary.replace('%total%', totalCount)
+            .replace('%wait%', waitCount)
+            .replace('%doing%', doingCount)
+            .replace('%estimate%', totalEstimate.toFixed(1))
+            .replace('%consumed%', totalConsumed.toFixed(1))
+            .replace('%left%', totalLeft.toFixed(1))
+    };
+}
diff --git a/module/execution/ui/task.html.php b/module/execution/ui/task.html.php
index 5b7979696a..ade78ce2a2 100644
--- a/module/execution/ui/task.html.php
+++ b/module/execution/ui/task.html.php
@@ -195,6 +195,10 @@ if($canBatchAction)
     if($canBatchAssignTo)     $footToolbar['items'][] = array('caret' => 'up', 'text' => $lang->task->assignedTo, 'btnType' => 'primary', 'url' => '#navAssignedTo','data-toggle' => 'dropdown');
 }
 
+jsVar('taskSummary',    $lang->execution->taskSummary);
+jsVar('pageSummary',    $lang->execution->pageSummary);
+jsVar('checkedSummary', $lang->execution->checkedSummary);
+
 dtable
 (
     set::userMap($memberPairs),
@@ -205,11 +209,11 @@ dtable
     set::footToolbar($footToolbar),
     set::footPager(
         usePager(),
-        set::page($pageID),
         set::recPerPage($recPerPage),
         set::recTotal($recTotal),
         set::linkCreator(helper::createLink('execution', 'task', "executionID={$execution->id}&status={$status}&param={$param}&orderBy=$orderBy&recTotal={$recTotal}&recPerPage={recPerPage}&page={page}"))
     ),
+    set::checkInfo(jsRaw('function(checkedIDList){return window.setStatistics(this, checkedIDList); }'))
 );
 
 render();