diff --git a/custom_components/dahua/__init__.py b/custom_components/dahua/__init__.py
index 56a92c7..513c51f 100755
--- a/custom_components/dahua/__init__.py
+++ b/custom_components/dahua/__init__.py
@@ -17,6 +17,7 @@
 from homeassistant.core import CALLBACK_TYPE, Config, HomeAssistant
 from homeassistant.exceptions import ConfigEntryNotReady, PlatformNotReady
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
+from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from homeassistant.const import EVENT_HOMEASSISTANT_STOP
 
 from custom_components.dahua.thread import DahuaEventThread, DahuaVtoEventThread
@@ -41,6 +42,11 @@
 
 SCAN_INTERVAL_SECONDS = timedelta(seconds=30)
 
+SSL_CONTEXT = ssl.create_default_context()
+SSL_CONTEXT.set_ciphers("DEFAULT")
+SSL_CONTEXT.check_hostname = False
+SSL_CONTEXT.verify_mode = ssl.CERT_NONE
+
 _LOGGER: logging.Logger = logging.getLogger(__package__)
 
 
@@ -82,9 +88,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
     for platform in PLATFORMS:
         if entry.options.get(platform, True):
             coordinator.platforms.append(platform)
-            hass.async_create_task(
-                hass.config_entries.async_forward_entry_setup(entry, platform)
-            )
+            await hass.config_entries.async_forward_entry_setups(entry, [platform])
 
     entry.add_update_listener(async_reload_entry)
 
@@ -102,11 +106,7 @@ def __init__(self, hass: HomeAssistant, events: list, address: str, port: int, r
                  password: str, name: str, channel: int) -> None:
         """Initialize the coordinator."""
         # Self signed certs are used over HTTPS so we'll disable SSL verification
-        ssl_context = ssl.create_default_context()
-        ssl_context.set_ciphers("DEFAULT")
-        ssl_context.check_hostname = False
-        ssl_context.verify_mode = ssl.CERT_NONE
-        connector = TCPConnector(enable_cleanup_closed=True, ssl=ssl_context)
+        connector = TCPConnector(enable_cleanup_closed=True, ssl=SSL_CONTEXT)
         self._session = ClientSession(connector=connector)
 
         # The client used to communicate with Dahua devices
diff --git a/custom_components/dahua/client.py b/custom_components/dahua/client.py
index bd2eefa..50c27ff 100755
--- a/custom_components/dahua/client.py
+++ b/custom_components/dahua/client.py
@@ -629,10 +629,7 @@ async def async_get_disarming_linkage(self) -> dict:
         """
 
         url = "/cgi-bin/configManager.cgi?action=getConfig&name=DisableLinkage"
-        try:
-            return await self.get(url)
-        except aiohttp.ClientResponseError as e:
-            return {"table.DisableLinkage.Enable": "false"}
+        return await self.get(url)
 
     async def async_access_control_open_door(self, door_id: int = 1) -> dict:
         """
diff --git a/custom_components/dahua/config_flow.py b/custom_components/dahua/config_flow.py
index c2ebd62..1fe1837 100755
--- a/custom_components/dahua/config_flow.py
+++ b/custom_components/dahua/config_flow.py
@@ -30,6 +30,12 @@
 https://developers.home-assistant.io/docs/data_entry_flow_index/
 """
 
+SSL_CONTEXT = ssl.create_default_context()
+#SSL_CONTEXT.minimum_version = ssl.TLSVersion.TLSv1_2
+SSL_CONTEXT.set_ciphers("DEFAULT")
+SSL_CONTEXT.check_hostname = False
+SSL_CONTEXT.verify_mode = ssl.CERT_NONE
+
 _LOGGER: logging.Logger = logging.getLogger(__package__)
 
 DEFAULT_EVENTS = ["VideoMotion", "CrossLineDetection", "AlarmLocal", "VideoLoss", "VideoBlind", "AudioMutation",
@@ -177,11 +183,7 @@ async def _show_config_form_name(self, user_input):  # pylint: disable=unused-ar
     async def _test_credentials(self, username, password, address, port, rtsp_port, channel):
         """Return name and serialNumber if credentials is valid."""
         # Self signed certs are used over HTTPS so we'll disable SSL verification
-        ssl_context = ssl.create_default_context()
-        ssl_context.set_ciphers("DEFAULT")
-        ssl_context.check_hostname = False
-        ssl_context.verify_mode = ssl.CERT_NONE
-        connector = TCPConnector(enable_cleanup_closed=True, ssl=ssl_context)
+        connector = TCPConnector(enable_cleanup_closed=True, ssl=SSL_CONTEXT)
         session = ClientSession(connector=connector)
         try:
             client = DahuaClient(username, password, address, port, rtsp_port, session)