diff --git a/hunet/README.md b/hunet/README.md
index 4c5e032..2e3eeae 100644
--- a/hunet/README.md
+++ b/hunet/README.md
@@ -1,6 +1,6 @@
 ```python
 from seleniumbase import Driver
-(driver := Driver()).open('snuh.hunet.co.kr')
+(driver := Driver(chromium_arg="--mute-audio")).open('snuh.hunet.co.kr')
 driver._repr_png_ = driver.get_screenshot_as_png
 
 driver.type('#ID', '5F193')
@@ -12,18 +12,20 @@ driver.switch_to_newest_window()
 driver.click("#nav > ul > li:nth-child(2) > a")
 
 while True:
-  driver.click('.btn-primary')
-  driver.switch_to_newest_window()
-  driver.sleep(3)
-  if driver.is_alert_present():
-    driver.wait_for_and_accept_alert()
-  driver.switch_to_frame('frame')
-  driver.execute_script("""
-    const video = document.querySelector('video');
-    video.play();
-    video.playbackRate = 16;
-  """)
-  driver.wait_for_and_accept_alert(timeout=1e9)
-  driver.close()
-  driver.switch_to_newest_window()
+    driver.click('.btn-primary')
+    driver.switch_to_newest_window()
+    driver.sleep(5)
+    if driver.is_alert_present():
+        driver.wait_for_and_accept_alert()
+    driver.switch_to_frame('frame')
+    driver.execute_script("""
+        const video = document.querySelector('video');
+        video.play();
+        video.playbackRate = 16;
+    """)
+    driver.sleep(5)
+    display(driver)
+    driver.wait_for_and_accept_alert(timeout=1e9)
+    driver.close()
+    driver.switch_to_newest_window()
 ```
\ No newline at end of file