diff --git a/main.py b/main.py
index f414ac5..76bd773 100644
--- a/main.py
+++ b/main.py
@@ -81,6 +81,10 @@ def read_idle():
 
 def change_idle_mode(channel):
     global idle_mode
+    with open('./idle.txt', 'r') as f:
+        idle_mode = f.readline()
+    if int(idle_mode) > 7:
+        idle_mode = 0
     with open('./idle.txt', 'w') as f:
         f.write(int(idle_mode) + 1)
     with open('./idle.txt', 'r') as f: