fix bug

accounts.go

@@ -184,13 +184,12 @@ func (f *FollowerRateLimit) Follower(userName string, cursor string) ([]*twitter
 		select {
 		case account := <-accChan:
 			accChan <- account
-			history[account.AccountInfo.Username] = true
-
 			if _, exist := history[account.AccountInfo.Username]; exist {
 				// loop all account, exit.
 				try = 100
 				break
 			}
+			history[account.AccountInfo.Username] = true
 			if users, next, err = account.FetchFollowers(userName, 1000, cursor); err != nil {
 				slog.Error("FetchFollowers", "failed", err.Error())
 				continue