默认为0

source/application/api/controller/library/Pass.php

@@ -106,9 +106,9 @@ class Pass extends Controller
                 # 查看该组是否存在上一条数据
                 $lastHoursWhere = ['hour_time' => $last_hour, 'group_id' => $val['group_id']];
                 $lastHours = $dm->find('bt_library_hours',$lastHoursWhere,'*','id DESC');
-                if ($lastHours) {
-                    $incount = $val['today_incount'] - $lastHours['target_today_incount'];
-                    $outcount = $val['today_outcount'] - $lastHours['target_today_outcount'];
+                if ($lastHours && $hour != '00:00') {
+                    $incount = (int)($val['today_incount'] - $lastHours['target_today_incount']);
+                    $outcount = (int)($val['today_outcount'] - $lastHours['target_today_outcount']);
                     $incount = $incount > 0 ? $incount : 0;
                     $outcount = $outcount > 0 ? $outcount : 0;
                 }
@@ -178,8 +178,8 @@ class Pass extends Controller
                 $update = [
                     'incount'       => $incount,
                     'outcount'      => $outcount,
-                    'last_incount'  => $incount,
-                    'last_outcount' => $outcount,
+                    'last_incount'  => $value['incount'],
+                    'last_outcount' => $value['outcount'],
                     'update_time'   => date("Y-m-d H:i:s",time())
                 ];
                 $dm->update('bt_library_data',$update,['id' => $query['id']]);