diff --git a/packages/client/src/components/gallery/DescItem.tsx b/packages/client/src/components/gallery/DescItem.tsx
new file mode 100644
index 0000000..566e889
--- /dev/null
+++ b/packages/client/src/components/gallery/DescItem.tsx
@@ -0,0 +1,26 @@
+import StyledLink from "@/components/gallery/StyledLink";
+import { cn } from "@/lib/utils";
+
+export function DescItem({ name, children, className }: {
+    name: string;
+    className?: string;
+    children?: React.ReactNode;
+}) {
+    return <div className={cn("grid content-start", className)}>
+        <span className="text-muted-foreground text-sm">{name}</span>
+        <span className="text-primary leading-4 font-medium">{children}</span>
+    </div>;
+}
+export function DescTagItem({
+    items, name, className,
+}: {
+    name: string;
+    items: string[];
+    className?: string;
+}) {
+    return <DescItem name={name} className={className}>
+        {items.length === 0 ? "N/A" : items.map(
+            (x) => <StyledLink key={x} to={`/search?allow_tag=${name}:${x}`}>{x}</StyledLink>
+        )}
+    </DescItem>;
+}
diff --git a/packages/client/src/components/layout/nav.tsx b/packages/client/src/components/layout/nav.tsx
index 51fa2dd..88f1c37 100644
--- a/packages/client/src/components/layout/nav.tsx
+++ b/packages/client/src/components/layout/nav.tsx
@@ -1,8 +1,10 @@
 import { Link } from "wouter"
 import { MagnifyingGlassIcon, GearIcon, ActivityLogIcon, ArchiveIcon, PersonIcon } from "@radix-ui/react-icons"
-import { buttonVariants } from "@/components/ui/button.tsx"
+import { Button, buttonVariants } from "@/components/ui/button.tsx"
 import { Tooltip, TooltipContent, TooltipTrigger } from "@/components/ui/tooltip.tsx"
 import { useLogin } from "@/state/user.ts";
+import { useNavItems } from "./navAtom";
+import { Separator } from "../ui/separator";
 
 interface NavItemProps {
     icon: React.ReactNode;
@@ -29,11 +31,41 @@ export function NavItem({
     </Tooltip>
 }
 
+interface NavItemButtonProps {
+    icon: React.ReactNode;
+    onClick: () => void;
+    name: string;
+    className?: string;
+}
+
+export function NavItemButton({
+    icon,
+    onClick,
+    name,
+    className
+}: NavItemButtonProps) {
+    return <Tooltip>
+        <TooltipTrigger asChild>
+            <Button
+                onClick={onClick}
+                variant="ghost"
+                className={className}
+            >
+                {icon}
+                <span className="sr-only">{name}</span>
+            </Button>
+        </TooltipTrigger>
+        <TooltipContent side="right">{name}</TooltipContent>
+    </Tooltip>
+}
+
 export function NavList() {
     const loginInfo = useLogin();
+    const navItems = useNavItems();
 
     return <aside className="h-dvh flex flex-col">
         <nav className="flex flex-col items-center gap-4 px-2 sm:py-5 flex-1">
+            {navItems && <>{navItems} <Separator/> </>}
             <NavItem icon={<MagnifyingGlassIcon className="h-5 w-5" />} to="/search" name="Search" />
             <NavItem icon={<ActivityLogIcon className="h-5 w-5" />} to="/tags" name="Tags" />
             <NavItem icon={<ArchiveIcon className="h-5 w-5" />} to="/difference" name="Difference" />
diff --git a/packages/client/src/components/layout/navAtom.tsx b/packages/client/src/components/layout/navAtom.tsx
new file mode 100644
index 0000000..f0b23a6
--- /dev/null
+++ b/packages/client/src/components/layout/navAtom.tsx
@@ -0,0 +1,23 @@
+import { atom, useAtomValue, setAtomValue, getAtomState } from "@/lib/atom";
+import { useLayoutEffect } from "react";
+
+const NavItems = atom<React.ReactNode>("NavItems", null);
+
+// eslint-disable-next-line react-refresh/only-export-components
+export function useNavItems() {
+    return useAtomValue(NavItems);
+}
+
+export function PageNavItem({items, children}:{items: React.ReactNode, children: React.ReactNode}) {
+    useLayoutEffect(() => {
+        const prev = getAtomState(NavItems).value;
+        const setter = setAtomValue(NavItems);
+        setter(items);
+        return () => {
+            setter(prev);
+        };
+    }, [items]);
+
+    return children;
+}
+
diff --git a/packages/client/src/lib/atom.ts b/packages/client/src/lib/atom.ts
index 157b013..526e725 100644
--- a/packages/client/src/lib/atom.ts
+++ b/packages/client/src/lib/atom.ts
@@ -15,7 +15,7 @@ export function atom<T>(key: string, defaultVal: T): Atom<T> {
     return { key, default: defaultVal };
 }
 
-function getAtomState<T>(atom: Atom<T>): AtomState<T> {
+export function getAtomState<T>(atom: Atom<T>): AtomState<T> {
     let atomState = atomStateMap.get(atom);
     if (!atomState) {
         atomState = {
diff --git a/packages/client/src/lib/classifyTags.tsx b/packages/client/src/lib/classifyTags.tsx
new file mode 100644
index 0000000..d72bea9
--- /dev/null
+++ b/packages/client/src/lib/classifyTags.tsx
@@ -0,0 +1,33 @@
+interface TagClassifyResult {
+    artist: string[];
+    group: string[];
+    series: string[];
+    type: string[];
+    character: string[];
+    rest: string[];
+}
+
+export function classifyTags(tags: string[]): TagClassifyResult {
+    const result = {
+        artist: [],
+        group: [],
+        series: [],
+        type: [],
+        character: [],
+        rest: [],
+    } as TagClassifyResult;
+    const tagKind = new Set(["artist", "group", "series", "type", "character"]);
+    for (const tag of tags) {
+        const split = tag.split(":");
+        if (split.length !== 2) {
+            continue;
+        }
+        const [prefix, name] = split;
+        if (tagKind.has(prefix)) {
+            result[prefix as keyof TagClassifyResult].push(name);
+        } else {
+            result.rest.push(tag);
+        }
+    }
+    return result;
+}
diff --git a/packages/client/src/page/contentInfoPage.tsx b/packages/client/src/page/contentInfoPage.tsx
index 57c6e0b..5bdb394 100644
--- a/packages/client/src/page/contentInfoPage.tsx
+++ b/packages/client/src/page/contentInfoPage.tsx
@@ -2,8 +2,9 @@ import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/com
 import { useGalleryDoc } from "../hook/useGalleryDoc.ts";
 import TagBadge from "@/components/gallery/TagBadge";
 import StyledLink from "@/components/gallery/StyledLink";
-import { cn } from "@/lib/utils";
 import { Link } from "wouter";
+import { classifyTags } from "../lib/classifyTags.tsx";
+import { DescTagItem, DescItem } from "../components/gallery/DescItem.tsx";
 
 export interface ContentInfoPageProps {
     params: {
@@ -11,40 +12,6 @@ export interface ContentInfoPageProps {
     };
 }
 
-interface TagClassifyResult {
-    artist: string[];
-    group: string[];
-    series: string[];
-    type: string[];
-    character: string[];
-    rest: string[];
-}
-
-function classifyTags(tags: string[]): TagClassifyResult {
-    const result = {
-        artist: [],
-        group: [],
-        series: [],
-        type: [],
-        character: [],
-        rest: [],
-    } as TagClassifyResult;
-    const tagKind = new Set(["artist", "group", "series", "type", "character"]);
-    for (const tag of tags) {
-        const split = tag.split(":");
-        if (split.length !== 2) {
-            continue;
-        }
-        const [prefix, name] = split;
-        if (tagKind.has(prefix)) {
-            result[prefix as keyof TagClassifyResult].push(name);
-        } else {
-            result.rest.push(tag);
-        }
-    }
-    return result;
-}
-
 export function ContentInfoPage({ params }: ContentInfoPageProps) {
     const { data, error, isLoading } = useGalleryDoc(params.id);
 
@@ -112,31 +79,4 @@ export function ContentInfoPage({ params }: ContentInfoPageProps) {
     );
 }
 
-export default ContentInfoPage;
-
-function DescItem({ name, children, className }: {
-    name: string,
-    className?: string,
-    children?: React.ReactNode
-}) {
-    return <div className={cn("grid content-start", className)}>
-        <span className="text-muted-foreground text-sm">{name}</span>
-        <span className="text-primary leading-4 font-medium">{children}</span>
-    </div>;
-}
-
-function DescTagItem({
-    items,
-    name,
-    className,
-}: {
-    name: string;
-    items: string[];
-    className?: string;
-}) {
-    return <DescItem name={name} className={className}>
-        {items.length === 0 ? "N/A" : items.map(
-            (x) => <StyledLink key={x} to={`/search?allow_tag=${name}:${x}`}>{x}</StyledLink>
-        )}
-    </DescItem>
-}
+export default ContentInfoPage;
\ No newline at end of file
diff --git a/packages/client/src/page/reader/comicPage.tsx b/packages/client/src/page/reader/comicPage.tsx
index 83fc38b..0b35193 100644
--- a/packages/client/src/page/reader/comicPage.tsx
+++ b/packages/client/src/page/reader/comicPage.tsx
@@ -1,5 +1,8 @@
+import { NavItem, NavItemButton } from "@/components/layout/nav";
+import { PageNavItem } from "@/components/layout/navAtom";
 import { useGalleryDoc } from "@/hook/useGalleryDoc.ts";
 import { cn } from "@/lib/utils";
+import { EnterFullScreenIcon, ExitIcon } from "@radix-ui/react-icons";
 import type { Document } from "dbtype/api";
 import { useCallback, useEffect, useRef, useState } from "react";
 
@@ -12,14 +15,17 @@ interface ComicPageProps {
 function ComicViewer({
     doc,
     totalPage,
+    curPage,
+    onChangePage: setCurPage,
 }: {
     doc: Document;
     totalPage: number;
+    curPage: number;
+    onChangePage: (page: number) => void;
 }) {
-    const [curPage, setCurPage] = useState(0);
     const [fade, setFade] = useState(false);
-    const PageDown = useCallback((step: number) => setCurPage(Math.max(curPage - step, 0)), [curPage]);
-    const PageUp = useCallback((step: number) => setCurPage(Math.min(curPage + step, totalPage - 1)), [curPage, totalPage]);
+    const PageDown = useCallback((step: number) => setCurPage(Math.max(curPage - step, 0)), [curPage, setCurPage]);
+    const PageUp = useCallback((step: number) => setCurPage(Math.min(curPage + step, totalPage - 1)), [curPage, setCurPage, totalPage]);
     const currentImageRef = useRef<HTMLImageElement>(null);
 
     useEffect(() => {
@@ -84,6 +90,7 @@ export default function ComicPage({
     params
 }: ComicPageProps) {
     const { data, error, isLoading } = useGalleryDoc(params.id);
+    const [curPage, setCurPage] = useState(0);
 
     if (isLoading) {
         // TODO: Add a loading spinner
@@ -107,6 +114,22 @@ export default function ComicPage({
     }
 
     return (
-        <ComicViewer doc={data} totalPage={data.additional.page as number} />
+        <PageNavItem items={<>
+            <NavItem to={`/doc/${params.id}`} name="Back" icon={<ExitIcon />}/>
+            <NavItemButton name="fullscreen" icon={<EnterFullScreenIcon/>} onClick={()=>{
+                const elem = document.documentElement;
+                if (elem.requestFullscreen) {
+                    elem.requestFullscreen();
+                }
+            }}  />
+            <div className="">
+                <span className="text-sm text-ellipsis" >{curPage + 1}/{data.additional.page as number}</span>
+            </div>
+        </>}>
+            <ComicViewer
+            curPage={curPage}
+            onChangePage={setCurPage}
+            doc={data} totalPage={data.additional.page as number} />
+        </PageNavItem>
     )
 }
\ No newline at end of file