diff --git a/module/execution/model.php b/module/execution/model.php
index b25e25cb1c..c6ea7ca8bd 100755
--- a/module/execution/model.php
+++ b/module/execution/model.php
@@ -3780,18 +3780,20 @@ class executionModel extends model
     }
 
     /**
+     * 根据传入的条件筛选日期列表。
      * Process burndown datas when the sets is smaller than the itemCounts.
      *
-     * @param  array   $sets
+     * @param  array   $dateList
      * @param  int     $itemCounts
      * @param  string  $begin
      * @param  string  $end
-     * @param  string  $mode
+     * @param  string  $mode        noempty
      * @access public
      * @return array
      */
-    public function processBurnData($sets, $itemCounts, $begin, $end, $mode = 'noempty')
+    public function processBurnData(array $dateList, int $itemCounts, string $begin, string $end, string $mode = 'noempty'): array
     {
+        /* Get the date interval if the $end is not empty, otherwise get the $end. */
         if(!helper::isZeroDate($end))
         {
             $period = helper::diffDate($end, $begin) + 1;
@@ -3799,8 +3801,7 @@ class executionModel extends model
         }
         else
         {
-            $counts = $itemCounts;
-            $period = $itemCounts;
+            $counts = $period = $itemCounts;
             $end    = date(DT_DATE1, strtotime("+$counts days", strtotime($begin)));
         }
 
@@ -3810,37 +3811,36 @@ class executionModel extends model
         $preValue = 0;
         $todayTag = 0;
 
-        foreach($sets as $date => $set)
+        /* Removes date that are not in the current date range. */
+        foreach($dateList as $date => $value)
         {
-            if($begin > $date) unset($sets[$date]);
+            if($begin > $date) unset($dateList[$date]);
         }
 
+        /* Update date that are not in the date list and are in the date range. */
         for($i = 0; $i < $period; $i++)
         {
             $currentTime = strtotime($current);
             if($currentTime > $endTime) break;
-            if($currentTime > time() and !$todayTag)
-            {
-                $todayTag = $i + 1;
-            }
+            if($currentTime > time() && !$todayTag) $todayTag = $i + 1;
 
-            if(isset($sets[$current])) $preValue = $sets[$current]->value;
-            if(!isset($sets[$current]) and $mode == 'noempty')
+            if(isset($dateList[$current])) $preValue = $dateList[$current]->value;
+            if(!isset($dateList[$current]) && $mode == 'noempty')
             {
-                $sets[$current]  = new stdclass();
-                $sets[$current]->name  = $current;
-                $sets[$current]->value = helper::diffDate($current, $today) < 0 ? $preValue : 'null';
+                $dateList[$current] = new stdclass();
+                $dateList[$current]->name  = $current;
+                $dateList[$current]->value = helper::diffDate($current, $today) < 0 ? $preValue : 'null';
             }
 
             $nextDay = date(DT_DATE1, $currentTime + 24 * 3600);
             $current = $nextDay;
         }
-        ksort($sets);
+        ksort($dateList);
 
-        if(count($sets) <= $counts) return $sets;
-        if($endTime <= time()) return array_slice($sets, -$counts, $counts);
-        if($todayTag <= $counts) return array_slice($sets, 0, $counts);
-        if($todayTag > $counts) return array_slice($sets, $todayTag - $counts, $counts);
+        if(count($dateList) <= $counts) return $dateList;
+        if($endTime <= time()) return array_slice($dateList, -$counts, $counts);
+        if($todayTag <= $counts) return array_slice($dateList, 0, $counts);
+        if($todayTag > $counts) return array_slice($dateList, $todayTag - $counts, $counts);
     }
 
     /**
diff --git a/module/execution/test/execution.class.php b/module/execution/test/execution.class.php
index 0f263a4670..a6c65eaac3 100644
--- a/module/execution/test/execution.class.php
+++ b/module/execution/test/execution.class.php
@@ -1956,29 +1956,28 @@ class executionTest
     }
 
     /**
-     * function processBurnData test by execution
+     * 根据传入的条件筛选日期列表。
+     * Process burndown datas when the sets is smaller than the itemCounts.
      *
-     * @param  string $executionID
-     * @param  array  $itemCounts
-     * @param  string $begin
-     * @param  string $end
-     * @param  string $count
+     * @param  int       $executionID
+     * @param  int       $itemCounts
+     * @param  string    $begin
+     * @param  string    $end
+     * @param  int       $count
      * @access public
-     * @return array
+     * @return array|int
      */
-    public function processBurnDataTest($executionID, $itemCounts, $begin, $end, $count)
+    public function processBurnDataTest(int $executionID, int $itemCounts, string $begin, string $end, int $count): array|int
     {
-        global $tester;
-        $sets = $tester->dao->select('execution, `date` as name, `left` as value')->from(TABLE_BURN)->where('execution')->eq($executionID)->fetchAll('name');
-
-        $object = $this->executionModel->processBurnData($sets, $itemCounts, $begin, $end);
+        $dateList = $this->executionModel->dao->select('execution, `date` as name, `left` as value')->from(TABLE_BURN)->where('execution')->eq($executionID)->fetchAll('name');
+        $object   = $this->executionModel->processBurnData($dateList, $itemCounts, $begin, $end);
 
         if(dao::isError())
         {
             $error = dao::getError();
             return $error;
         }
-        elseif($count == "1")
+        elseif($count == 1)
         {
             return count($object);
         }
diff --git a/module/execution/test/model/processburndata.php b/module/execution/test/model/processburndata.php
index baa79d5486..c9e3520d4f 100755
--- a/module/execution/test/model/processburndata.php
+++ b/module/execution/test/model/processburndata.php
@@ -3,25 +3,21 @@
 include dirname(__FILE__, 5) . '/test/lib/init.php';
 include dirname(__FILE__, 2) . '/execution.class.php';
 su('admin');
+zdTable('burn')->config('burn')->gen(15);
 
 /**
 
 title=测试executionModel->processBurnDataTest();
+timeout=0
 cid=1
-pid=1
-
-敏捷执行查询统计 >> 30
-瀑布执行查询统计 >> 60
-看板执行查询统计 >> 67
-错误时间查询统计 >> 0
 
 */
 
-$executionIDList = array('101', '131', '161');
-$itemCounts      = array('30', '60', '100');
+$executionIDList = array(101, 106, 107);
+$itemCounts      = array(30, 60, 100);
 $begin           = array('2022-01-15','2022-03-22');
 $end             = array('2022-03-22','2022-01-15');
-$count           = array('0','1');
+$count           = array(0, 1);
 
 $execution = new executionTest();
 r($execution->processBurnDataTest($executionIDList[0], $itemCounts[0], $begin[0], $end[0], $count[1])) && p() && e('30'); // 敏捷执行查询统计