diff --git a/src/background/messages/responseRSS.ts b/src/background/messages/responseRSS.ts
index 025ef79..6b797a0 100644
--- a/src/background/messages/responseRSS.ts
+++ b/src/background/messages/responseRSS.ts
@@ -3,7 +3,7 @@ import type { PlasmoMessaging } from "@plasmohq/messaging"
 import { setRSS } from "~/background/rss"
 
 const handler: PlasmoMessaging.MessageHandler = async (req, res) => {
-  setRSS(req.body.tabId, req.body.rss)
+  setRSS(req.body.tabId || req.sender.tab.id, req.body.rss)
   res.send("")
 }
 
diff --git a/src/background/rss.ts b/src/background/rss.ts
index 774d625..efd2270 100644
--- a/src/background/rss.ts
+++ b/src/background/rss.ts
@@ -6,7 +6,7 @@ import { Storage } from "@plasmohq/storage"
 import { setupOffscreenDocument } from "~/lib/offscreen"
 import report from "~/lib/report"
 import type { RSSData } from "~/lib/types"
-import { getRSS as sandboxGetRSS } from "~/sandboxes"
+import { getRSSHub as sandboxGetRSSHub } from "~/sandboxes"
 
 import { setBadge } from "./badge"
 
@@ -16,9 +16,9 @@ const storage = new Storage({
 
 const savedRSS: {
   [tabId: number]: {
-    pageRSS: RSSData[]
     pageRSSHub: RSSData[]
     websiteRSSHub: RSSData[]
+    pageRSS: RSSData[]
   }
 } = {}
 
@@ -43,7 +43,7 @@ export const getRSS = async (tabId, url) => {
       chrome.runtime.sendMessage({
         target: "offscreen",
         data: {
-          name: "requestRSS",
+          name: "requestRSSHub",
           body: {
             tabId,
             html,
@@ -52,16 +52,20 @@ export const getRSS = async (tabId, url) => {
           },
         },
       })
-
-      await new Promise((resolve) => setTimeout(resolve, 100))
     } else {
-      sandboxGetRSS({
+      const rsshub = sandboxGetRSSHub({
         html,
         url,
         rules: await storage.get("rules"),
-        callback: (rss) => setRSS(tabId, rss),
       })
+      setRSS(tabId, rsshub)
     }
+
+    const pageRSS = await sendToContentScript({
+      name: "requestPageRSS",
+      tabId,
+    })
+    setRSS(tabId, pageRSS)
   })
 }
 
@@ -69,63 +73,44 @@ export const getCachedRSS = (tabId) => {
   return savedRSS[tabId]
 }
 
-function applyRSS(
+export const setRSS = async (
   tabId,
   data: {
     pageRSS: RSSData[]
+  } | {
     pageRSSHub: RSSData[]
     websiteRSSHub: RSSData[]
   },
-) {
-  savedRSS[tabId] = data
+) => {
+  if (!data) {
+    return
+  }
+  if (!savedRSS[tabId]) {
+    savedRSS[tabId] = {
+      pageRSS: [],
+      pageRSSHub: [],
+      websiteRSSHub: [],
+    }
+  }
+  if ("pageRSS" in data) {
+    savedRSS[tabId].pageRSS = data.pageRSS
+  } else {
+    savedRSS[tabId].pageRSSHub = data.pageRSSHub
+    savedRSS[tabId].websiteRSSHub = data.websiteRSSHub
+  }
 
   let text = ""
-  if (data.pageRSS.length || data.pageRSSHub.length) {
+  if (savedRSS[tabId].pageRSS.length || savedRSS[tabId].pageRSSHub.length) {
     text =
-      data.pageRSS.filter((rss) => !rss.uncertain).length +
-      data.pageRSSHub.length +
+      savedRSS[tabId].pageRSS.length +
+      savedRSS[tabId].pageRSSHub.length +
       ""
-  } else if (data.websiteRSSHub.length) {
+  } else if (savedRSS[tabId].websiteRSSHub.length) {
     text = " "
   }
   setBadge(text, tabId)
 }
 
-export const setRSS = async (
-  tabId,
-  data: {
-    pageRSS: RSSData[]
-    pageRSSHub: RSSData[]
-    websiteRSSHub: RSSData[]
-  },
-) => {
-  applyRSS(tabId, data)
-
-  const res = await sendToContentScript({
-    name: "parseRSS",
-    tabId,
-    body: data.pageRSS.filter((rss) => rss.uncertain).map((rss) => rss.url),
-  })
-  data.pageRSS = data.pageRSS.filter((rss) => {
-    if (rss.uncertain) {
-      const parsed = res.find((r) => r.url === rss.url)
-      if (parsed && parsed.title !== null) {
-        if (parsed.title) {
-          rss.title = parsed.title
-        }
-        rss.uncertain = false
-        return true
-      } else {
-        return false
-      }
-    } else {
-      return true
-    }
-  })
-
-  applyRSS(tabId, data)
-}
-
 export const deleteCachedRSS = (tabId) => {
   delete savedRSS[tabId]
 }
diff --git a/src/contents/index.ts b/src/contents/index.ts
index 958e062..1133c4f 100644
--- a/src/contents/index.ts
+++ b/src/contents/index.ts
@@ -1,32 +1,16 @@
 import { sendToBackground } from "@plasmohq/messaging"
 
-import { fetchRSSContent, parseRSS } from "~/lib/utils"
+import { getPageRSS } from "~/lib/rss"
 
 sendToBackground({
   name: "contentReady",
 })
 
-async function getRSS(url) {
-  let title = null
-  try {
-    const content = await fetchRSSContent(url)
-    const result = parseRSS(content)
-    if (result) {
-      title = result.title || ""
-    }
-  } catch (error) {}
-
-  return {
-    url,
-    title,
-  }
-}
-
 chrome.runtime.onMessage.addListener((msg, sender, sendResponse) => {
   if (msg.name === "requestHTML") {
     sendResponse(document.documentElement.outerHTML)
-  } else if (msg.name === "parseRSS") {
-    Promise.all(msg.body?.map(getRSS)).then((data) => {
+  } else if (msg.name === "requestPageRSS") {
+    getPageRSS().then((data) => {
       sendResponse(data)
     })
     return true
diff --git a/src/lib/rss.ts b/src/lib/rss.ts
index 7d3719d..a8c4292 100644
--- a/src/lib/rss.ts
+++ b/src/lib/rss.ts
@@ -1,11 +1,7 @@
 import type { RSSData } from "./types"
 import { fetchRSSContent, parseRSS } from "./utils"
 
-export async function getPageRSS(data: { html: string; url: string }) {
-  const parser = new DOMParser()
-  const document = parser.parseFromString(data.html, "text/html")
-  const location = new URL(data.url)
-
+export async function getPageRSS() {
   const defaultTitle =
     document.querySelector("title") &&
     document.querySelector("title").innerHTML &&
@@ -22,7 +18,7 @@ export async function getPageRSS(data: { html: string; url: string }) {
 
   function handleUrl(url) {
     return new URL(
-      url.replace(/^(feed:\/\/)/, "https://").replace(/^(feed:)/, ""),
+      url.replace(/^(feed:\/\/)/, "https://").replace(/^(feed:)/, "").replace(/^(http:\/\/)/, "https://"),
       location.href,
     ).toString()
   }
@@ -61,7 +57,9 @@ export async function getPageRSS(data: { html: string; url: string }) {
       })
 
       // skip the following check if this page is an RSS feed
-      return pageRSS
+      return {
+        pageRSS,
+      }
     }
   }
 
@@ -158,23 +156,15 @@ export async function getPageRSS(data: { html: string; url: string }) {
               feed.title = result.title
             }
             pageRSS.push(feed)
-          } else {
-            pageRSS.push({
-              ...feed,
-              uncertain: true,
-            })
+            unique.save(feed.url)
           }
-        } catch (error) {
-          pageRSS.push({
-            ...feed,
-            uncertain: true,
-          })
-        }
-        unique.save(feed.url)
+        } catch (error) { }
         resolve()
       })
     }),
   )
 
-  return pageRSS
+  return {
+    pageRSS,
+  }
 }
diff --git a/src/lib/types.ts b/src/lib/types.ts
index 8259c4b..4362c22 100644
--- a/src/lib/types.ts
+++ b/src/lib/types.ts
@@ -18,5 +18,4 @@ export type RSSData = {
   image?: string
   path?: string
   isDocs?: boolean
-  uncertain?: boolean
 }
diff --git a/src/sandboxes/index.ts b/src/sandboxes/index.ts
index 355da34..923110d 100644
--- a/src/sandboxes/index.ts
+++ b/src/sandboxes/index.ts
@@ -1,20 +1,17 @@
-import { getPageRSS } from "~/lib/rss"
 import { getPageRSSHub, getWebsiteRSSHub } from "~/lib/rsshub"
 import { parseRules } from "~/lib/rules"
 import { removeFunctionFields } from "~/lib/utils"
 
 export {}
 
-export const getRSS = async ({
+export const getRSSHub = ({
   html,
   url,
   rules,
-  callback,
 }: {
   html: string
   url: string
   rules: string
-  callback
 }) => {
   const pageRSSHub = getPageRSSHub({
     html,
@@ -25,20 +22,10 @@ export const getRSS = async ({
     url,
     rules,
   })
-  callback({
-    pageRSS: [],
+  return {
     pageRSSHub,
     websiteRSSHub,
-  })
-  const pageRSS = await getPageRSS({
-    html,
-    url,
-  })
-  callback({
-    pageRSS,
-    pageRSSHub,
-    websiteRSSHub,
-  })
+  }
 }
 
 export const getDisplayedRules = (rules: string) => {
@@ -53,7 +40,7 @@ if (typeof window !== "undefined") {
     (
       event: MessageEvent<
         | {
-            name: "requestRSS"
+            name: "requestRSSHub"
             body: {
               html: string
               url: string
@@ -70,25 +57,23 @@ if (typeof window !== "undefined") {
       >,
     ) => {
       switch (event.data?.name) {
-        case "requestRSS": {
-          getRSS({
+        case "requestRSSHub": {
+          const rsshub = getRSSHub({
             html: event.data.body.html,
             url: event.data.body.url,
             rules: event.data.body.rules,
-            callback: (rss) => {
-              event.source.postMessage(
-                {
-                  name: "responseRSS",
-                  body: {
-                    url: "url" in event.data.body && event.data.body.url,
-                    tabId: "tabId" in event.data.body && event.data.body.tabId,
-                    rss,
-                  },
-                },
-                event.origin as any,
-              )
-            },
           })
+          event.source.postMessage(
+            {
+              name: "responseRSS",
+              body: {
+                url: "url" in event.data.body && event.data.body.url,
+                tabId: "tabId" in event.data.body && event.data.body.tabId,
+                rss: rsshub,
+              },
+            },
+            event.origin as any,
+          )
           break
         }
         case "requestDisplayedRules": {