diff --git a/docs/wiki b/docs/wiki
index 4311a8de..519e381e 160000
--- a/docs/wiki
+++ b/docs/wiki
@@ -1 +1 @@
-Subproject commit 4311a8def4ffe78d1eb8a5d326482df1a1170f74
+Subproject commit 519e381e8a1add62e76a39181ee61bad02816035
diff --git a/src/module/api/proxy.py b/src/module/api/proxy.py
index d06052fc..c9b43b8a 100644
--- a/src/module/api/proxy.py
+++ b/src/module/api/proxy.py
@@ -54,8 +54,8 @@ async def get_search_result(searchstr: str):
 
 
 @router.get("/RSS/Bangumi", tags=["proxy"])
-async def get_bangumi(bangumiId: str, groupid: str):
-    full_path = "Bangumi?bangumiId=" + bangumiId + "&groupid=" + groupid
+async def get_bangumi(bangumiId: str, subgroupid: str):
+    full_path = "Bangumi?bangumiId=" + bangumiId + "&subgroupid=" + subgroupid
     content = get_rss_content(full_path)
     return Response(content, media_type="application/xml")
 
diff --git a/src/module/checker/checker.py b/src/module/checker/checker.py
index aba46030..fc2c46d8 100644
--- a/src/module/checker/checker.py
+++ b/src/module/checker/checker.py
@@ -9,14 +9,16 @@ class Checker:
     def __init__(self):
         pass
 
-    def check_renamer(self) -> bool:
-        if self.check_downloader() and settings.bangumi_manage.enable:
+    @staticmethod
+    def check_renamer() -> bool:
+        if settings.bangumi_manage.enable:
             return True
         else:
             return False
 
-    def check_analyser(self) -> bool:
-        if self.check_downloader() and settings.rss_parser.enable:
+    @staticmethod
+    def check_analyser() -> bool:
+        if settings.rss_parser.enable:
             return True
         else:
             return False
diff --git a/src/module/core/program.py b/src/module/core/program.py
index 21e37bf4..466eed90 100644
--- a/src/module/core/program.py
+++ b/src/module/core/program.py
@@ -31,7 +31,6 @@ class Program(RenameThread, RSSThread):
                 "Legacy data detected, starting data migration, please wait patiently."
             )
             data_migration()
-        add_rss_feed()
         self.start()
 
     def start(self):
@@ -39,12 +38,16 @@ class Program(RenameThread, RSSThread):
             return {"status": "Not ready to start."}
         self.stop_event.clear()
         settings.load()
-        if self.enable_renamer:
-            self.rename_start()
-        if self.enable_rss:
-            self.rss_start()
-        logger.info("Program running.")
-        return {"status": "Program started."}
+        if self.downloader_status:
+            if self.enable_renamer:
+                self.rename_start()
+            if self.enable_rss:
+                add_rss_feed()
+                self.rss_start()
+            logger.info("Program running.")
+            return {"status": "Program started."}
+        else:
+            return {"status": "Can't connect to downloader. Program not paused."}
 
     def stop(self):
         if self.is_running:
diff --git a/src/module/downloader/client/qb_downloader.py b/src/module/downloader/client/qb_downloader.py
index 8920bc4c..d3563185 100644
--- a/src/module/downloader/client/qb_downloader.py
+++ b/src/module/downloader/client/qb_downloader.py
@@ -9,7 +9,6 @@ from qbittorrentapi.exceptions import (
 )
 
 from module.ab_decorator import qb_connect_failed_wait
-from module.downloader.exceptions import ConflictError
 
 logger = logging.getLogger(__name__)
 
@@ -27,9 +26,9 @@ class QbDownloader:
         self.host = host
         self.username = username
 
-    def auth(self):
+    def auth(self, retry=3):
         times = 0
-        while times < 3:
+        while times < retry:
             try:
                 self._client.auth_log_in()
                 return True
@@ -46,7 +45,8 @@ class QbDownloader:
             except APIConnectionError:
                 logger.error(f"Cannot connect to qBittorrent Server")
                 logger.info(f"Please check the IP and port in WebUI settings")
-                time.sleep(30)
+                time.sleep(10)
+                times += 1
             except Exception as e:
                 logger.error(f"Unknown error: {e}")
                 break
@@ -55,6 +55,16 @@ class QbDownloader:
     def logout(self):
         self._client.auth_log_out()
 
+    def check_host(self):
+        try:
+            self._client.app_version()
+            return True
+        except APIConnectionError:
+            return False
+
+    def check_rss(self, rss_link: str):
+        pass
+
     @qb_connect_failed_wait
     def prefs_init(self, prefs):
         return self._client.app_set_preferences(prefs=prefs)
diff --git a/src/module/downloader/download_client.py b/src/module/downloader/download_client.py
index a3fa6d98..37c843f2 100644
--- a/src/module/downloader/download_client.py
+++ b/src/module/downloader/download_client.py
@@ -33,6 +33,8 @@ class DownloadClient(TorrentPath):
     def __enter__(self):
         if not self.authed:
             self.auth()
+        else:
+            logger.error("[Downloader] Already authed.")
         return self
 
     def __exit__(self, exc_type, exc_val, exc_tb):
@@ -42,7 +44,13 @@ class DownloadClient(TorrentPath):
 
     def auth(self):
         self.authed = self.client.auth()
-        logger.debug("Authed.")
+        if self.authed:
+            logger.info("[Downloader] Authed.")
+        else:
+            logger.error("[Downloader] Auth failed.")
+
+    def check_host(self):
+        return self.client.check_host()
 
     def init_downloader(self):
         prefs = {