修改

app/Http/Controllers/Api/ScreenController.php

@@ -151,7 +151,8 @@ class ScreenController extends BaseController
             foreach ($data as $value){
                 $crt_time = date('Y-m-d',$value['time']);
                 if(isset($return[$crt_time])){
-                    $return[$crt_time]['value'] += 1;
+                    $n = bcadd($return[$crt_time]['num'], $value['value'],3);
+                    $return[$crt_time]['num'] = $n;
                 }
             }
             ksort($return);