diff --git a/examples_async.py b/examples_async.py
index 681c18c..43aa74f 100644
--- a/examples_async.py
+++ b/examples_async.py
@@ -662,7 +662,6 @@ def test_all():
             time.sleep(1)
     finally:
         loop.close()
-    AsyncChromeDaemon.clear_dir(AsyncChromeDaemon.DEFAULT_USER_DIR_PATH)
 
 
 if __name__ == "__main__":
diff --git a/examples_debug.py b/examples_debug.py
index ed72218..aa36bf1 100644
--- a/examples_debug.py
+++ b/examples_debug.py
@@ -1,26 +1,22 @@
 import time
 
 from ichrome import AsyncTab
-from ichrome.debugger import get_a_tab, network_sniffer, launch
+from ichrome.debugger import Chrome, Daemon
 
 # There are 3 ways to create a daemon
 # 1. get_a_tab: auto find the existing Chrome (launched before like python -m ichrome), or create a new daemon
 # 2. daemon = Daemon()
 # 3. daemon = launch()
 
-# type hints for autocomplete in the IDE
-daemon = launch()
-tab: AsyncTab = get_a_tab()
 
-
-def test_set_ua():
+def test_set_ua(tab: AsyncTab):
     # check the UA changed
-    tab.set_ua("No UA.")
+    tab.set_ua("Custom UA.")
     tab.set_url("http://httpbin.org/user-agent")
-    assert "No UA." in tab.html, tab.html
+    assert "Custom UA." in tab.html, tab.html
 
 
-def test_mouse_keyboard():
+def test_mouse_keyboard(tab: AsyncTab):
     # click the input element and send some string
     tab.set_url("http://httpbin.org/forms/post", timeout=5)
     rect: dict = tab.get_bounding_client_rect('[type="email"]')
@@ -28,35 +24,39 @@ def test_mouse_keyboard():
     tab.keyboard_send(string="123@1.com")
     # click the submit button
     tab.click("button")
-    tab.wait_loading(2)
+    tab.wait_loading(3)
     assert '"custemail": "123@1.com"' in tab.html, tab.html
 
 
-def test_js():
-    tab.set_url("https://postman-echo.com/ip")
-    tag = tab.querySelectorAll("html")[0]
-    print(tag, tag.text)
-    img_b64 = tab.screenshot_element("html")
+def test_js(tab: AsyncTab):
+    tab.set_url("https://help.tom.com/")
+    tag = tab.querySelectorAll(".pr_tit")[0]
+    assert tag and tag.text
+    from html import escape
+
+    tab.run_js_snippets("add_tip", f"got the .pr_tit tag[0]: {escape(tag.outerHTML)}")
+    time.sleep(3)
+    tab.run_js_snippets("clear_tip")
+    img_b64 = tab.screenshot_element("#contact", captureBeyondViewport=True)
     tab.set_html(
-        f'<h1>Here is the screenshot image by css selector ".shader_left"</h1><img src="data:image/png;base64, {img_b64}" alt="Red dot" /><h1>Test js finished</h1>'
+        f'<h1>Here is the screenshot image by css selector "#contact"</h1><img style="width:80%;" src="data:image/png;base64, {img_b64}" alt="Red dot" /><h1>Test js finished after 5 secs</h1>'
     )
+    tab.alert('Here is the screenshot image by css selector "#contact"')
+    for i in range(5):
+        tab.run_js_snippets("add_tip", f"{5 - i}s")
+        time.sleep(1)
 
 
 def main():
-    test_set_ua()
-    test_mouse_keyboard()
-    test_js()
-    for _ in range(3):
-        tab.set_html(
-            f"<h1>Start network_sniffer in %s seconds. Refresh this page and read network logs in terminal.</h1>"
-            % (3 - _)
-        )
-        time.sleep(1)
-    network_sniffer()
+    with Daemon(
+        user_data_dir="./debug_cache", clear_after_shutdown=True, headless=0
+    ) as daemon:
+        with Chrome(host=daemon.host, port=daemon.port) as chrome:
+            tab = chrome.get_tab()
+            test_set_ua(tab)
+            test_mouse_keyboard(tab)
+            test_js(tab)
 
 
 if __name__ == "__main__":
-    try:
-        main()
-    finally:
-        daemon.stop_running()
+    main()
diff --git a/ichrome/debugger.py b/ichrome/debugger.py
index 20ab526..a0695b0 100644
--- a/ichrome/debugger.py
+++ b/ichrome/debugger.py
@@ -6,8 +6,7 @@
 from functools import wraps
 from inspect import isawaitable
 from typing import Set
-
-from torequests.utils import quote_plus
+from urllib.parse import quote_plus
 
 from .async_utils import AsyncChrome, AsyncTab
 from .daemon import AsyncChromeDaemon, ChromeDaemon
@@ -115,6 +114,7 @@ def __init__(
         proc_check_interval=5,
         on_startup=None,
         on_shutdown=quit_while_daemon_missing,
+        **_kwargs,
     ):
         self._self = AsyncChromeDaemon(
             chrome_path=chrome_path,
@@ -135,6 +135,7 @@ def __init__(
             proc_check_interval=proc_check_interval,
             on_startup=on_startup,
             on_shutdown=on_shutdown,
+            **_kwargs,
         )
         self.start_running()