diff --git a/src/background/background.js b/src/background/background.js
index 297d69a0..347d7971 100644
--- a/src/background/background.js
+++ b/src/background/background.js
@@ -295,8 +295,14 @@ const stop = () => {
 	if(mainWindow)
 		mainWindow.hide()
 
-	if(tray)
-		tray.destroy()
+	// bug with mac os tray closing 
+	// https://github.com/electron/electron/issues/9982
+	// https://github.com/electron/electron/issues/13556
+	if(process.platform !== 'darwin')
+	{
+		if(tray)
+			tray.destroy()
+	}
 
 	if(spider)
 	{
diff --git a/src/background/config.js b/src/background/config.js
index 947c2b4d..038898c4 100644
--- a/src/background/config.js
+++ b/src/background/config.js
@@ -28,7 +28,7 @@ let config = {
 	sphinx: {
 		host     : '127.0.0.1',
 		port     : 9306,
-		connectionLimit: 12
+		connectionLimit: 10
 	},
 
 	spider: {
diff --git a/src/background/feed.js b/src/background/feed.js
index d5d674b7..4ed6e5e8 100644
--- a/src/background/feed.js
+++ b/src/background/feed.js
@@ -23,7 +23,7 @@ module.exports = class Feed {
 		config.feedDate = this.feedDate
 		await this.sphinx.query('delete from feed where id > 0')
 		let id = 0
-		return Promise.all(
+		await Promise.all(
 			this.feed.map(
 				async record => await this.sphinx.query('insert into feed(id, data) values(?, ?)', [++id, JSON.stringify(record)])
 			)