update

@@ -197,10 +197,12 @@ class WebTraffic extends Command
                             Log::channel('traffic')->info('traffic project_id:' . $project['project_id'], $data);
                             $promises[] = $client->postAsync($project['domain'] . 'api/customerVisit', $data);
                         }
-                        Utils::settle($promises)->wait();
 
-                        //每个深度随机等待
-                        sleep(rand(2, 10));
+                        if($promises){
+                            Utils::settle($promises)->wait();
+                            //每个深度随机等待
+                            sleep(rand(2, 10));
+                        }
                     }
                 }