diff --git a/sclat/gui/addon/fft.py b/sclat/gui/addon/fft.py
index c427068..333a742 100644
--- a/sclat/gui/addon/fft.py
+++ b/sclat/gui/addon/fft.py
@@ -10,14 +10,14 @@
 
 def run(audio_data):
     audio_index = int(screen.vid.get_pos() / screen.vid.duration * len(audio_data))
+    if audio_index >= len(audio_data):
+        audio_index = len(audio_data)
     if audio_index + buffer_size < len(audio_data):
         audio_chunk = audio_data[audio_index:audio_index + buffer_size]
     else:
         audio_chunk = audio_data[audio_index:]
     fft_data = np.fft.fft(audio_chunk)
     audio_index += buffer_size
-    if audio_index >= len(audio_data):
-        audio_index = 0
     plot_spectrum(fft_data, audio_chunk)
 
 def plot_spectrum(fft_data, audio_chunk):
diff --git a/sclat/gui/gui.py b/sclat/gui/gui.py
index 039cd8c..4d3116f 100644
--- a/sclat/gui/gui.py
+++ b/sclat/gui/gui.py
@@ -7,13 +7,16 @@
 from typing import Optional
 from gui import screen, cache
 from gui.addon import ascii, subtitle, with_play, fft
-from gui.addon.control import gesture, stt
 import gui.font
 from download import download, subtitles
 from sockets import client, server
 from sockets import setting as socket_setting
 from setting import setting as user_setting
 import discord_rpc.client
+if user_setting.stt:
+    from gui.addon.control import stt
+if user_setting.Gesture or user_setting.Gesture_show:
+    from gui.addon.control import gesture
 
 # Global state
 @dataclass
@@ -82,6 +85,10 @@ def handle_key_event(key: str) -> None:
         case "l":
             cache.loop = not cache.loop
             state.msg_text = f"Loop: {'On' if cache.loop else 'Off'}"
+        case "f":
+            user_setting.FFT = not user_setting.FFT
+            user_setting.change_setting_data('FFT', user_setting.FFT)
+            state.msg_text = f"FFT: {user_setting.FFT}"
         case "up" | "down":
             volume_delta = 10 if key == "up" else -10
             if 0 <= user_setting.volume + volume_delta <= 100:
diff --git a/sclat/sclat.py b/sclat/sclat.py
index 02eb6c3..73f8977 100644
--- a/sclat/sclat.py
+++ b/sclat/sclat.py
@@ -1,7 +1,6 @@
 import sys,time
 from gui import gui, nogui, screen, cache
 from gui.addon import with_play
-from gui.addon.control import stt
 from pypresence.exceptions import DiscordNotFound
 from setting import setting as user_setting
 import discord_rpc.client