夜间模式适配，移除react-canvas-nest,CPU消耗有点高

layouts/BaseLayout.js

@@ -8,7 +8,6 @@ import TopNav from '@/components/TopNav'
 import Footer from '@/components/Footer'
 import SideBar from '@/components/SideBar'
 import JumpToTop from '@/components/JumpToTop'
-import ReactCanvasNest from 'react-canvas-nest'
 
 const BaseLayout = ({ children, layout, fullWidth, tags, meta, post, ...customMeta }) => {
   let windowTop = 0
@@ -37,11 +36,10 @@ const BaseLayout = ({ children, layout, fullWidth, tags, meta, post, ...customMe
   return (
     <div id='wrapper' className={[BLOG.font, theme].join(' ')}>
       <CommonHead meta={meta} />
-       <ReactCanvasNest style = {{ zIndex: 0, position: 'fixed' }} />
 
       <TopNav tags={tags} post={post} />
       {/* Middle Wrapper */}
-      <main className='flex bg-gray-100'>
+      <main className='flex dark:bg-gray-900'>
         <SideBar tags={tags} post={post} />
         <div className='flex flex-grow' ref={targetRef}>
             {children}
@@ -50,7 +48,6 @@ const BaseLayout = ({ children, layout, fullWidth, tags, meta, post, ...customMe
       </main>
 
       <Footer />
-
     </div>
   )
 }