diff --git a/src/lang/en/home.json b/src/lang/en/home.json
index 104cc2e83..509e893e7 100644
--- a/src/lang/en/home.json
+++ b/src/lang/en/home.json
@@ -135,6 +135,7 @@
     "delete_policy": {
       "delete_on_upload_succeed": "Delete on upload succeed",
       "delete_on_upload_failed": "Delete on upload failed",
+      "delete_after_seeding": "Delete after seeding ends",
       "delete_never": "Never delete",
       "delete_always": "Always delete",
       "upload_download_stream": "Download stream direct upload"
diff --git a/src/pages/home/toolbar/OfflineDownload.tsx b/src/pages/home/toolbar/OfflineDownload.tsx
index 7eaa6793e..ab95148c7 100644
--- a/src/pages/home/toolbar/OfflineDownload.tsx
+++ b/src/pages/home/toolbar/OfflineDownload.tsx
@@ -17,12 +17,29 @@ const deletePolicies = [
   "upload_download_stream",
   "delete_on_upload_succeed",
   "delete_on_upload_failed",
+  "delete_after_seeding",
   "delete_never",
   "delete_always",
 ] as const
 
 type DeletePolicy = (typeof deletePolicies)[number]
 
+const defaultDeletePolicy: DeletePolicy = "upload_download_stream"
+const fallbackDeletePolicy: DeletePolicy = "delete_on_upload_succeed"
+
+const supportsDeleteAfterSeeding = (tool: string) =>
+  tool === "qBittorrent" || tool === "Transmission"
+
+const supportsDeletePolicy = (policy: DeletePolicy, tool: string) => {
+  if (policy === "upload_download_stream") {
+    return tool === "SimpleHttp"
+  }
+  if (policy === "delete_after_seeding") {
+    return supportsDeleteAfterSeeding(tool)
+  }
+  return true
+}
+
 function utf8Decode(data: Uint8Array): string {
   return crypto.enc.Utf8.stringify(crypto.lib.WordArray.create(data))
 }
@@ -58,14 +75,19 @@ export const OfflineDownload = () => {
     return r.get("/public/offline_download_tools")
   })
   const [tool, setTool] = createSignal("")
-  const [deletePolicy, setDeletePolicy] = createSignal<DeletePolicy>(
-    "upload_download_stream",
-  )
+  const [deletePolicy, setDeletePolicy] =
+    createSignal<DeletePolicy>(defaultDeletePolicy)
+  const updateTool = (nextTool: string) => {
+    if (!supportsDeletePolicy(deletePolicy(), nextTool)) {
+      setDeletePolicy(fallbackDeletePolicy)
+    }
+    setTool(nextTool)
+  }
   onMount(async () => {
     const resp = await reqTool()
     handleResp(resp, (data) => {
       setTools(data)
-      setTool(data[0])
+      updateTool(data[0])
     })
   })
 
@@ -120,13 +142,7 @@ export const OfflineDownload = () => {
           <SelectWrapper
             value={tool()}
             onChange={(v) => {
-              if (
-                v !== "SimpleHttp" &&
-                deletePolicy() === "upload_download_stream"
-              ) {
-                setDeletePolicy("delete_on_upload_succeed")
-              }
-              setTool(v)
+              updateTool(v)
             }}
             options={tools().map((tool) => {
               return { value: tool, label: tool }
@@ -140,11 +156,7 @@ export const OfflineDownload = () => {
             value={deletePolicy()}
             onChange={(v) => setDeletePolicy(v as DeletePolicy)}
             options={deletePolicies
-              .filter((policy) =>
-                policy == "upload_download_stream"
-                  ? tool() === "SimpleHttp"
-                  : true,
-              )
+              .filter((policy) => supportsDeletePolicy(policy, tool()))
               .map((policy) => {
                 return {
                   value: policy,
diff --git a/src/pages/home/toolbar/OfflineDownloadEnhanced.tsx b/src/pages/home/toolbar/OfflineDownloadEnhanced.tsx
index 888d62736..f55c1f927 100644
--- a/src/pages/home/toolbar/OfflineDownloadEnhanced.tsx
+++ b/src/pages/home/toolbar/OfflineDownloadEnhanced.tsx
@@ -45,12 +45,29 @@ const deletePolicies = [
   "upload_download_stream",
   "delete_on_upload_succeed",
   "delete_on_upload_failed",
+  "delete_after_seeding",
   "delete_never",
   "delete_always",
 ] as const
 
 type DeletePolicy = (typeof deletePolicies)[number]
 
+const defaultDeletePolicy: DeletePolicy = "upload_download_stream"
+const fallbackDeletePolicy: DeletePolicy = "delete_on_upload_succeed"
+
+const supportsDeleteAfterSeeding = (tool: string) =>
+  tool === "qBittorrent" || tool === "Transmission"
+
+const supportsDeletePolicy = (policy: DeletePolicy, tool: string) => {
+  if (policy === "upload_download_stream") {
+    return tool === "SimpleHttp"
+  }
+  if (policy === "delete_after_seeding") {
+    return supportsDeleteAfterSeeding(tool)
+  }
+  return true
+}
+
 // Tab 类型
 type TabType = "link" | "bt"
 
@@ -105,9 +122,15 @@ export const OfflineDownloadEnhanced = () => {
     return r.get("/public/offline_download_tools")
   })
   const [tool, setTool] = createSignal("")
-  const [deletePolicy, setDeletePolicy] = createSignal<DeletePolicy>(
-    "upload_download_stream",
-  )
+  const [deletePolicy, setDeletePolicy] =
+    createSignal<DeletePolicy>(defaultDeletePolicy)
+
+  const updateTool = (nextTool: string) => {
+    if (!supportsDeletePolicy(deletePolicy(), nextTool)) {
+      setDeletePolicy(fallbackDeletePolicy)
+    }
+    setTool(nextTool)
+  }
 
   // 对话框状态
   const { isOpen, onOpen, onClose } = createDisclosure()
@@ -236,7 +259,7 @@ export const OfflineDownloadEnhanced = () => {
     if (shouldDisableSimpleHttp() && tool() === "SimpleHttp") {
       const available = availableTools()
       if (available.length > 0) {
-        setTool(available[0])
+        updateTool(available[0])
       }
     }
   })
@@ -245,7 +268,7 @@ export const OfflineDownloadEnhanced = () => {
     const resp = await reqTool()
     handleResp(resp, (data) => {
       setTools(data)
-      setTool(data[0])
+      updateTool(data[0])
     })
   })
 
@@ -494,7 +517,22 @@ export const OfflineDownloadEnhanced = () => {
         return
       }
 
-      // 正常离线下载：将 torrent 转为磁力链提交
+      // qBittorrent 直接提交原始 torrent 文件，避免 PT 私种转磁力后卡在获取元信息
+      if (tool() === "qBittorrent") {
+        const resp = await offlineDownload(
+          savePath(),
+          [],
+          tool(),
+          deletePolicy(),
+          [torrentData()],
+        )
+        handleRespWithNotifySuccess(resp, () => {
+          handleClose()
+        })
+        return
+      }
+
+      // 其它工具保持原行为：将 torrent 转为磁力链提交
       const buffer = Uint8Array.from(atob(torrentData()), (c) =>
         c.charCodeAt(0),
       )
@@ -689,13 +727,7 @@ export const OfflineDownloadEnhanced = () => {
                       : tool()
                   }
                   onChange={(v) => {
-                    if (
-                      v !== "SimpleHttp" &&
-                      deletePolicy() === "upload_download_stream"
-                    ) {
-                      setDeletePolicy("delete_on_upload_succeed")
-                    }
-                    setTool(v)
+                    updateTool(v)
                   }}
                   options={availableTools().map((t) => ({
                     value: t,
@@ -724,11 +756,7 @@ export const OfflineDownloadEnhanced = () => {
                   value={deletePolicy()}
                   onChange={(v) => setDeletePolicy(v as DeletePolicy)}
                   options={deletePolicies
-                    .filter((policy) =>
-                      policy === "upload_download_stream"
-                        ? tool() === "SimpleHttp"
-                        : true,
-                    )
+                    .filter((policy) => supportsDeletePolicy(policy, tool()))
                     .map((policy) => ({
                       value: policy,
                       label: t(`home.toolbar.delete_policy.${policy}`),
diff --git a/src/utils/api.ts b/src/utils/api.ts
index 39f6463ba..b171dec9e 100644
--- a/src/utils/api.ts
+++ b/src/utils/api.ts
@@ -220,8 +220,15 @@ export const offlineDownload = (
   urls: string[],
   tool: string,
   delete_policy: string,
+  torrent_data: string[] = [],
 ): PEmptyResp => {
-  return r.post(`/fs/add_offline_download`, { path, urls, tool, delete_policy })
+  return r.post(`/fs/add_offline_download`, {
+    path,
+    urls,
+    tool,
+    delete_policy,
+    ...(torrent_data.length ? { torrent_data } : {}),
+  })
 }
 
 export const fetchText = async (