修改

app/Service/InspectService.php

@@ -431,7 +431,9 @@ class InspectService extends Service
         $rate = bcdiv($return['finish_num'], $total, 2) * 100;
         $return['rate'] = $rate;
         $return['rate2'] = $rate;
-        $return['pass_rate'] = round(mt_rand(100, 200) / 100, 2);
+        $pass_rate = 0;
+        if($rate > 0) $pass_rate = round(mt_rand(100, 200) / 100, 2);
+        $return['pass_rate'] = $pass_rate;
 
         return [true, $return];
     }