diff --git a/server/core/scheduler.go b/server/core/scheduler.go
index d9047f0..3ad029f 100644
--- a/server/core/scheduler.go
+++ b/server/core/scheduler.go
@@ -36,14 +36,21 @@ func (c *Client) mustAddCron(spec string, cmd func()) {
 func (c *Client) checkTasks() {
 	log.Debug("begin check tasks...")
 	for id, t := range c.tasks {
+		r := c.db.GetHistory(id)
 		if !t.Exists() {
 			log.Infof("task no longer exists: %v", id)
+
+			if r.Status == history.StatusRunning || r.Status == history.StatusUploading {
+				log.Warnf("task is running but no longer available in download client, mark as fail, task name: %s", r.SourceTitle)
+				c.db.SetHistoryStatus(id, history.StatusFail)
+			}
+
 			delete(c.tasks, id)
 			continue
 		}
 		log.Infof("task (%s) percentage done: %d%%", t.Name(), t.Progress())
 		if t.Progress() == 100 {
-			r := c.db.GetHistory(id)
+
 			if r.Status == history.StatusSuccess {
 				//task already success, check seed ratio
 				torrent := c.tasks[id]
diff --git a/server/core/torrent.go b/server/core/torrent.go
index 32a0316..ec37d11 100644
--- a/server/core/torrent.go
+++ b/server/core/torrent.go
@@ -184,20 +184,21 @@ func searchWithTorznab(db *db.Client, queries ...string) []torznab.Result {
 		if tor.Disabled {
 			continue
 		}
-		wg.Add(1)
-		go func() {
-			log.Debugf("search torznab %v with %v", tor.Name, queries)
-			defer wg.Done()
-			for _, q := range queries {
+		for _, q := range queries {
+			wg.Add(1)
+
+			go func() {
+				log.Debugf("search torznab %v with %v", tor.Name, queries)
+				defer wg.Done()
+
 				resp, err := torznab.Search(tor, q)
 				if err != nil {
 					log.Warnf("search %s with query %s error: %v", tor.Name, q, err)
-					continue
+					return
 				}
 				resChan <- resp
-			}
-
-		}()
+			}()
+		}
 	}
 	go func() {
 		wg.Wait()
diff --git a/ui/lib/settings/general.dart b/ui/lib/settings/general.dart
index 7c81df0..48824e7 100644
--- a/ui/lib/settings/general.dart
+++ b/ui/lib/settings/general.dart
@@ -92,7 +92,7 @@ class _GeneralState extends ConsumerState<GeneralSettings> {
                   width: 300,
                   child: FormBuilderSwitch(
                       decoration:
-                          const InputDecoration(icon: Icon(Icons.filter_alt)),
+                          const InputDecoration(icon: Icon(Icons.phone_iphone)),
                       name: "allow_qiangban",
                       title: const Text("是否下载枪版资源")),
                 ),