diff --git a/apps/renderer/src/atoms/sidebar.ts b/apps/renderer/src/atoms/sidebar.ts
index 8eb66b845f..1300157a24 100644
--- a/apps/renderer/src/atoms/sidebar.ts
+++ b/apps/renderer/src/atoms/sidebar.ts
@@ -48,6 +48,9 @@ viewAtom.onMount = () => {
     setSidebarActiveView(view)
   }
 }
-export const [, , useFeedColumnShow, , , setFeedColumnShow] = createAtomHooks(atom(true))
+export const [, , useFeedColumnShow, , getFeedColumnShow, setFeedColumnShow] = createAtomHooks(
+  atom(true),
+)
 
-export const [, , useFeedColumnTempShow, , , setFeedColumnTempShow] = createAtomHooks(atom(false))
+export const [, , useFeedColumnTempShow, , getFeedColumnTempShow, setFeedColumnTempShow] =
+  createAtomHooks(atom(false))
diff --git a/apps/renderer/src/components/ui/markdown/components/Toc.tsx b/apps/renderer/src/components/ui/markdown/components/Toc.tsx
index bb43dc2702..4ee4ee682a 100644
--- a/apps/renderer/src/components/ui/markdown/components/Toc.tsx
+++ b/apps/renderer/src/components/ui/markdown/components/Toc.tsx
@@ -19,6 +19,7 @@ import { springScrollToElement } from "~/lib/scroller"
 import { cn } from "~/lib/utils"
 import {
   useGetWrappedElementPosition,
+  useWrappedElementPosition,
   useWrappedElementSize,
 } from "~/providers/wrapped-element-provider"
 
@@ -81,7 +82,7 @@ export const Toc: Component = ({ className }) => {
     [toc],
   )
 
-  const [_, setTreeRef] = useState<HTMLUListElement | null>()
+  const [_, setTreeRef] = useState<HTMLDivElement | null>()
 
   const scrollContainerElement = useScrollViewElement()
 
@@ -195,12 +196,44 @@ export const Toc: Component = ({ className }) => {
 
   const [hoverShow, setHoverShow] = useState(false)
 
+  const renderContentElementPosition = useWrappedElementPosition()
+  const renderContentElementSize = useWrappedElementSize()
+
+  const xAxis = renderContentElementPosition.x + renderContentElementSize.w
+  const w = window.innerWidth
+
+  const shouldShowTitle = w - xAxis > 300
+
   if (toc.length === 0) return null
+
+  if (shouldShowTitle)
+    return (
+      <div
+        ref={setTreeRef}
+        className={cn(
+          "group relative overflow-auto opacity-60 duration-200 scrollbar-none group-hover:opacity-100",
+          "flex w-[300px] flex-col",
+          className,
+        )}
+      >
+        {toc.map((heading, index) => (
+          <MemoedItem
+            variant="title-line"
+            heading={heading}
+            key={heading.anchorId}
+            rootDepth={rootDepth}
+            onClick={handleScrollTo}
+            isScrollOut={index < currentScrollRange[0]}
+            range={index === currentScrollRange[0] ? currentScrollRange[1] : 0}
+          />
+        ))}
+      </div>
+    )
   return (
     <div className="flex grow flex-col scroll-smooth px-2 scrollbar-none">
       <HoverCard.Root openDelay={100} open={hoverShow} onOpenChange={setHoverShow}>
         <HoverCard.Trigger asChild>
-          <ul
+          <div
             ref={setTreeRef}
             className={cn(
               "group overflow-auto opacity-60 duration-200 scrollbar-none group-hover:opacity-100",
@@ -217,7 +250,7 @@ export const Toc: Component = ({ className }) => {
                 range={index === currentScrollRange[0] ? currentScrollRange[1] : 0}
               />
             ))}
-          </ul>
+          </div>
         </HoverCard.Trigger>
         <HoverCard.Portal forceMount>
           <div>
diff --git a/apps/renderer/src/components/ui/markdown/components/TocItem.tsx b/apps/renderer/src/components/ui/markdown/components/TocItem.tsx
index db1627fe34..6b04d390ea 100644
--- a/apps/renderer/src/components/ui/markdown/components/TocItem.tsx
+++ b/apps/renderer/src/components/ui/markdown/components/TocItem.tsx
@@ -3,6 +3,8 @@ import { memo, useCallback, useRef } from "react"
 
 import { cn } from "~/lib/utils"
 
+import { EllipsisHorizontalTextWithTooltip } from "../../typography"
+
 export interface ITocItem {
   depth: number
   title: string
@@ -20,20 +22,29 @@ export interface TocItemProps {
 
   isScrollOut: boolean
   range: number
+  variant?: "line" | "title-line"
 }
 
 export const TocItem: FC<TocItemProps> = memo((props) => {
-  const { onClick, heading, isScrollOut, range } = props
+  const { onClick, heading, isScrollOut, range, variant = "line", rootDepth } = props
   const { $heading, anchorId, depth, index, title } = heading
 
   const $ref = useRef<HTMLButtonElement>(null)
 
+  const isTitleLine = variant === "title-line"
   return (
     <button
       type="button"
       ref={$ref}
       data-index={index}
-      className="block cursor-pointer"
+      className={cn("cursor-pointer", isTitleLine && "relative flex min-w-0 flex-col")}
+      style={
+        isTitleLine
+          ? {
+              paddingLeft: `${(depth - rootDepth) * 12}px`,
+            }
+          : undefined
+      }
       data-depth={depth}
       onClick={useCallback(
         (e: MouseEvent) => {
@@ -45,20 +56,29 @@ export const TocItem: FC<TocItemProps> = memo((props) => {
       )}
       title={title}
     >
+      {isTitleLine && (
+        <EllipsisHorizontalTextWithTooltip className="w-full min-w-0 truncate text-left text-xs text-zinc-500 hover:!text-zinc-500 dark:text-zinc-400 dark:hover:!text-zinc-300">
+          {title}
+        </EllipsisHorizontalTextWithTooltip>
+      )}
       <span
         style={{
           width: widthMap[depth],
         }}
         data-active={!!range}
         className={cn(
-          "relative inline-block h-1.5 rounded-full",
-          "bg-zinc-100 duration-200 hover:!bg-zinc-400",
+          "relative inline-block rounded-full",
+          "bg-zinc-100 duration-200",
           isScrollOut && "bg-zinc-400/80",
 
-          "dark:bg-zinc-800/80 dark:hover:!bg-zinc-600",
+          "dark:bg-zinc-800/80",
           isScrollOut && "dark:bg-zinc-700",
           !!range && "!bg-zinc-400/50 dark:!bg-zinc-600",
           "overflow-hidden",
+
+          isTitleLine
+            ? `my-1 h-1 duration-200 ${range ? "mb-3" : "mb-0.5"} bg-transparent dark:bg-transparent`
+            : "h-1.5 hover:!bg-zinc-400 dark:hover:!bg-zinc-600",
         )}
       >
         <span
diff --git a/apps/renderer/src/pages/(main)/(layer)/feeds/[feedId]/[entryId]/index.tsx b/apps/renderer/src/pages/(main)/(layer)/feeds/[feedId]/[entryId]/index.tsx
index 247c9e564e..ed339c9579 100644
--- a/apps/renderer/src/pages/(main)/(layer)/feeds/[feedId]/[entryId]/index.tsx
+++ b/apps/renderer/src/pages/(main)/(layer)/feeds/[feedId]/[entryId]/index.tsx
@@ -38,13 +38,13 @@ export const Component = () => {
               transition={{ duration: 0.2, type: "spring" }}
               className={cn(
                 "flex min-w-0 flex-1 flex-col",
-                wideMode && "absolute inset-0 z-10 bg-theme-background pl-12",
+                wideMode && "absolute inset-0 z-10 bg-theme-background",
               )}
             >
               {wideMode && (
                 <ActionButton
                   className={cn(
-                    "absolute left-3 top-3 z-10",
+                    "absolute left-3 top-3 z-10 duration-200",
                     shouldHeaderPaddingLeft
                       ? "left-[calc(theme(width.3)+theme(width.feed-col))]"
                       : "left-3",
@@ -57,7 +57,9 @@ export const Component = () => {
               <EntryContent
                 entryId={realEntryId}
                 classNames={{
-                  header: shouldHeaderPaddingLeft ? "ml-[theme(width.feed-col)]" : "",
+                  header: shouldHeaderPaddingLeft
+                    ? "ml-[calc(theme(width.feed-col)+theme(width.12))]"
+                    : "ml-12",
                 }}
               />
             </m.div>
diff --git a/apps/renderer/src/pages/(main)/layout.tsx b/apps/renderer/src/pages/(main)/layout.tsx
index c67d58fa74..abbf23f674 100644
--- a/apps/renderer/src/pages/(main)/layout.tsx
+++ b/apps/renderer/src/pages/(main)/layout.tsx
@@ -12,6 +12,7 @@ import { setMainContainerElement } from "~/atoms/dom"
 import { useViewport } from "~/atoms/hooks/viewport"
 import { getUISettings, setUISetting, useUISettingKey } from "~/atoms/settings/ui"
 import {
+  getFeedColumnTempShow,
   setFeedColumnShow,
   setFeedColumnTempShow,
   useFeedColumnShow,
@@ -212,14 +213,20 @@ const FeedResponsiveResizerContainer = ({
   const feedColumnShow = useFeedColumnShow()
   const feedColumnTempShow = useFeedColumnTempShow()
 
-  const isInEntryContentWideMode = useUISettingKey("wideMode")
   useEffect(() => {
+    if (feedColumnShow) {
+      setFeedColumnTempShow(false)
+      return
+    }
     const handler = throttle((e: MouseEvent) => {
       const mouseX = e.clientX
       const mouseY = e.clientY
 
+      const uiSettings = getUISettings()
+      const feedColumnTempShow = getFeedColumnTempShow()
+      const isInEntryContentWideMode = uiSettings.wideMode
       if (mouseY < 100 && isInEntryContentWideMode) return
-      const threshold = feedColumnTempShow ? getUISettings().feedColWidth : 100
+      const threshold = feedColumnTempShow ? uiSettings.feedColWidth : 100
 
       if (mouseX < threshold) {
         setFeedColumnTempShow(true)
@@ -232,7 +239,7 @@ const FeedResponsiveResizerContainer = ({
     return () => {
       document.removeEventListener("mousemove", handler)
     }
-  }, [feedColumnTempShow, isInEntryContentWideMode])
+  }, [feedColumnShow])
 
   useHotkeys(
     shortcuts.layout.toggleSidebar.key,