order

@@ -47,8 +47,8 @@ class AdminStatisticsController extends AdminBaseController{
 
         //周统计
         $week=array();
-        for ($i = 0; $i <= 30; $i++){
-            $week[30-$i]=strtotime(date('Ymd',strtotime("-$i monday")));
+        for ($i = 1; $i <= 31; $i++){
+            $week[31-$i]=strtotime(date('Ymd',strtotime("-$i monday")));
         }
         $Week_interval=array();
         for ($i = 0; $i<30; $i++){