feat: replace sidebar help button with personal gallery

components/home/lovart-home.tsx

@@ -1438,12 +1438,12 @@ export function LovartHome({
                 <button
                   type="button"
                   className="flex h-10 w-10 items-center justify-center rounded-full hover:bg-black/5"
-                  onClick={() => toast.info("帮助中心后续开放")}
+                  onClick={() => router.push("/gallery")}
                 >
-                  <Info className="h-[18px] w-[18px]" />
+                  <ImageIcon className="h-[18px] w-[18px]" />
                 </button>
               </TooltipTrigger>
-              <TooltipContent side="right">帮助中心</TooltipContent>
+              <TooltipContent side="right">个人相册</TooltipContent>
             </Tooltip>
             {siteSettingsData?.tutorialEnabled ? (
               <HoverCard openDelay={80} closeDelay={100}>