diff --git a/app/chain/transfer.py b/app/chain/transfer.py
index d1b48290..a10a982b 100644
--- a/app/chain/transfer.py
+++ b/app/chain/transfer.py
@@ -482,7 +482,7 @@ class TransferChain(ChainBase):
             return
 
     @staticmethod
-    def get_root_path(path: str, type_name: str, category: str) -> Path:
+    def get_root_path(path: str, type_name: str, category: str) -> Optional[Path]:
         """
         计算媒体库目录的根路径
         """
diff --git a/app/db/downloadhistory_oper.py b/app/db/downloadhistory_oper.py
index d23fbb27..4348f6e4 100644
--- a/app/db/downloadhistory_oper.py
+++ b/app/db/downloadhistory_oper.py
@@ -10,12 +10,12 @@ class DownloadHistoryOper(DbOper):
     下载历史管理
     """
 
-    def get_by_path(self, path: Path) -> DownloadHistory:
+    def get_by_path(self, path: str) -> DownloadHistory:
         """
         按路径查询下载记录
         :param path: 数据key
         """
-        return DownloadHistory.get_by_path(self._db, str(path))
+        return DownloadHistory.get_by_path(self._db, path)
 
     def get_by_hash(self, download_hash: str) -> DownloadHistory:
         """
diff --git a/app/modules/emby/emby.py b/app/modules/emby/emby.py
index 40f5b393..67ddeefe 100644
--- a/app/modules/emby/emby.py
+++ b/app/modules/emby/emby.py
@@ -932,9 +932,9 @@ class Emby:
         """
         if not self._host or not self._apikey:
             return None
-        url = url.replace("[HOST]", self._host) \
-            .replace("[APIKEY]", self._apikey) \
-            .replace("[USER]", self.user)
+        url = url.replace("[HOST]", self._host or '') \
+            .replace("[APIKEY]", self._apikey or '') \
+            .replace("[USER]", self.user or '')
         try:
             return RequestUtils(content_type="application/json").get_res(url=url)
         except Exception as e:
@@ -950,9 +950,9 @@ class Emby:
         """
         if not self._host or not self._apikey:
             return None
-        url = url.replace("[HOST]", self._host) \
-            .replace("[APIKEY]", self._apikey) \
-            .replace("[USER]", self.user)
+        url = url.replace("[HOST]", self._host or '') \
+            .replace("[APIKEY]", self._apikey or '') \
+            .replace("[USER]", self.user or '')
         try:
             return RequestUtils(
                 headers=headers,
diff --git a/app/modules/jellyfin/jellyfin.py b/app/modules/jellyfin/jellyfin.py
index 0953a20b..aa4e0079 100644
--- a/app/modules/jellyfin/jellyfin.py
+++ b/app/modules/jellyfin/jellyfin.py
@@ -632,9 +632,9 @@ class Jellyfin:
         """
         if not self._host or not self._apikey:
             return None
-        url = url.replace("[HOST]", self._host) \
-            .replace("[APIKEY]", self._apikey) \
-            .replace("[USER]", self.user)
+        url = url.replace("[HOST]", self._host or '') \
+            .replace("[APIKEY]", self._apikey or '') \
+            .replace("[USER]", self.user or '')
         try:
             return RequestUtils(accept_type="application/json").get_res(url=url)
         except Exception as e:
@@ -650,9 +650,9 @@ class Jellyfin:
         """
         if not self._host or not self._apikey:
             return None
-        url = url.replace("[HOST]", self._host) \
-            .replace("[APIKEY]", self._apikey) \
-            .replace("[USER]", self.user)
+        url = url.replace("[HOST]", self._host or '') \
+            .replace("[APIKEY]", self._apikey or '') \
+            .replace("[USER]", self.user or '')
         try:
             return RequestUtils(
                 headers=headers