Fixed typos

kicker/handlers.go

@@ -71,7 +71,7 @@ func userLeft(b *bot, update *tb.Update) error {
 
 func checkCaptcha(b *bot, update *tb.Update) error {
 	message := update.Message
-	sender := message.ForwardFrom
+	sender := message.From
 	d := db.GetDatabase()
 	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
 	defer cancel()

kicker/kicker.go

@@ -18,6 +18,7 @@ type bot struct {
 }
 
 func (b *bot) Update(update *tb.Update) {
+	if update.Message != nil {
 		if len(update.Message.NewChatMembers) != 0 {
 			for _, user := range update.Message.NewChatMembers {
 				if user.ID == b.Me.ID {
@@ -37,7 +38,7 @@ func (b *bot) Update(update *tb.Update) {
 				return
 			}
 			checkCaptcha(b, update)
-
+		}
 	}
 }