diff --git a/module/action/model.php b/module/action/model.php
index 2e8741ca5b..3c2f1cb0b6 100755
--- a/module/action/model.php
+++ b/module/action/model.php
@@ -1296,12 +1296,14 @@ class actionModel extends model
      */
     public function computeBeginAndEnd(string $period, string $date, string $direction): array
     {
+        $period = strtolower($period);
+
         /* 1. 确切的日期。 */
         /* 1. The exact date. */
         if($date)
         {
-            if($direction == 'next') return array('begin' => $date,  'end' => FUTURE_DATE);
-            if($direction == 'pre')  return array('begin' => EPOCH_DATE,  'end' => $date);
+            if($direction == 'pre')   return array('begin' => $date,  'end' => FUTURE_DATE);
+            if($direction == 'next')  return array('begin' => EPOCH_DATE,  'end' => $date);
             return array('begin' => $date, 'end' => $date);
         }
 
@@ -1319,11 +1321,6 @@ class actionModel extends model
             return array('begin' => $beginDate, 'end' => FUTURE_DATE);
         }
 
-        /* 3. 时间段。 */
-        /* 3. Period. */
-        $period = strtolower($period);
-        if($period == 'all') return array('begin' => EPOCH_DATE,  'end' => FUTURE_DATE);
-
         $this->app->loadClass('date');
 
         $today      = date('Y-m-d');