fix nil pointer

router/api/twitch.go

@@ -103,6 +103,9 @@ func hasChannel(id string, c *context.Context) *model.TwitchChannel {
 	fmt.Println("channels :: ", chs)
 
 	for _, v := range chs {
+		if v == nil {
+			continue
+		}
 		if v.ID == id {
 			return v
 		}