fix: 解决 UFW 防火墙启用失败的问题 (#2823)

Refs #2811

backend/app/service/firewall.go

@@ -538,10 +538,12 @@ func (u *FirewallService) addPortsBeforeStart(client firewall.FirewallClient) er
 	}
 	apps := u.loadPortByApp()
 	for _, app := range apps {
+		if len(app.HttpPort) != 0 && app.HttpPort != "0" {
 			if err := client.Port(fireClient.FireInfo{Port: app.HttpPort, Protocol: "tcp", Strategy: "accept"}, "add"); err != nil {
 				return err
 			}
 		}
+	}
 
 	return client.Reload()
 }

frontend/src/views/cronjob/index.vue

@@ -258,7 +258,6 @@ const onDelete = async (row: Cronjob.CronjobInfo | null) => {
         if (hasBackup(row.type)) {
             showClean.value = true;
         }
-        return;
     } else {
         for (const item of selects.value) {
             names.push(item.name);