fix:export1

Modules/Camera/Http/Controllers/Api/CameraApiController.php

@@ -3272,8 +3272,8 @@ class CameraApiController extends BaseController
                     }
                 }
                 $level_total = '';
-                if ($gao   > 0) $level_total .= '高风险'.$gao.'项\n';
-                if ($zhong > 0) $level_total .= '中风险'.$zhong.'项\n';
+                if ($gao   > 0) $level_total .= '高风险'.$gao."项\n";
+                if ($zhong > 0) $level_total .= '中风险'.$zhong."项\n";
                 if ($di    > 0) $level_total .= '低风险'.$di.'项';
                 $line = [
                     'index' => $index,