diff --git a/index.html b/index.html
index b53e8ce3..14b637db 100644
--- a/index.html
+++ b/index.html
@@ -1 +1 @@
-<!DOCTYPE html><html lang=""><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,initial-scale=1"><link rel="icon" href="./dist/logo.png"><title>一个简单的web思维导图实现</title><link href="dist/js/chunk-2d0a3179.8bac0e6a.js" rel="prefetch"><link href="dist/js/chunk-2d0aa579.3848b480.js" rel="prefetch"><link href="dist/js/chunk-2d0aa978.0c0ab348.js" rel="prefetch"><link href="dist/js/chunk-2d0ab10b.89baf4c9.js" rel="prefetch"><link href="dist/js/chunk-2d0abe0f.ba566b9e.js" rel="prefetch"><link href="dist/js/chunk-2d0b361e.d57feb19.js" rel="prefetch"><link href="dist/js/chunk-2d0b91e5.9058553b.js" rel="prefetch"><link href="dist/js/chunk-2d0b92c3.ff912e01.js" rel="prefetch"><link href="dist/js/chunk-2d0bd54e.988f0b69.js" rel="prefetch"><link href="dist/js/chunk-2d0be174.b87008fb.js" rel="prefetch"><link href="dist/js/chunk-2d0c0a44.d53f93f5.js" rel="prefetch"><link href="dist/js/chunk-2d0c18d8.ef38347c.js" rel="prefetch"><link href="dist/js/chunk-2d0c191e.fe3d1357.js" rel="prefetch"><link href="dist/js/chunk-2d0c1a01.dc5d667f.js" rel="prefetch"><link href="dist/js/chunk-2d0d9fbc.7c0e8c3b.js" rel="prefetch"><link href="dist/js/chunk-2d0da701.7110cb06.js" rel="prefetch"><link href="dist/js/chunk-2d0dad5f.789c08d8.js" rel="prefetch"><link href="dist/js/chunk-2d0db0f2.773ee0f5.js" rel="prefetch"><link href="dist/js/chunk-2d0dddce.29899f8c.js" rel="prefetch"><link href="dist/js/chunk-2d0de01b.4f180262.js" rel="prefetch"><link href="dist/js/chunk-2d0e2326.7b20d38b.js" rel="prefetch"><link href="dist/js/chunk-2d0e268c.314fd603.js" rel="prefetch"><link href="dist/js/chunk-2d0e5089.cd1baa18.js" rel="prefetch"><link href="dist/js/chunk-2d0e9742.62e1ccbf.js" rel="prefetch"><link href="dist/js/chunk-2d0f026c.af35b5ce.js" rel="prefetch"><link href="dist/js/chunk-2d2082b9.ffe557f3.js" rel="prefetch"><link href="dist/js/chunk-2d208ffa.6b617b98.js" rel="prefetch"><link href="dist/js/chunk-2d20ec02.917aff76.js" rel="prefetch"><link href="dist/js/chunk-2d20f68f.66cba965.js" rel="prefetch"><link href="dist/js/chunk-2d210a7a.25884d5e.js" rel="prefetch"><link href="dist/js/chunk-2d216004.3416e02c.js" rel="prefetch"><link href="dist/js/chunk-2d216b67.2d06497a.js" rel="prefetch"><link href="dist/js/chunk-2d217907.96994ac6.js" rel="prefetch"><link href="dist/js/chunk-2d226d0a.d30a47fe.js" rel="prefetch"><link href="dist/js/chunk-2d2299c3.5aa1632c.js" rel="prefetch"><link href="dist/js/chunk-2d2308b0.d813ba33.js" rel="prefetch"><link href="dist/js/chunk-3a2f3e67.13278516.js" rel="prefetch"><link href="dist/css/app.a6908b68.css" rel="preload" as="style"><link href="dist/css/chunk-vendors.1790fe42.css" rel="preload" as="style"><link href="dist/js/app.2f5edb91.js" rel="preload" as="script"><link href="dist/js/chunk-vendors.7f3b8358.js" rel="preload" as="script"><link href="dist/css/chunk-vendors.1790fe42.css" rel="stylesheet"><link href="dist/css/app.a6908b68.css" rel="stylesheet"></head><body><noscript><strong>We're sorry but thoughts doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><div id="app"></div><script src="dist/js/chunk-vendors.7f3b8358.js"></script><script src="dist/js/app.2f5edb91.js"></script></body></html>
\ No newline at end of file
+<!DOCTYPE html><html lang=""><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,initial-scale=1"><link rel="icon" href="./dist/logo.png"><title>一个简单的web思维导图实现</title><link href="dist/js/chunk-2d0a3179.aaf6bf8b.js" rel="prefetch"><link href="dist/js/chunk-2d0aa579.3848b480.js" rel="prefetch"><link href="dist/js/chunk-2d0aa978.eaa1313d.js" rel="prefetch"><link href="dist/js/chunk-2d0ab10b.89baf4c9.js" rel="prefetch"><link href="dist/js/chunk-2d0abe0f.ba566b9e.js" rel="prefetch"><link href="dist/js/chunk-2d0b361e.a060e897.js" rel="prefetch"><link href="dist/js/chunk-2d0b91e5.1b0414b4.js" rel="prefetch"><link href="dist/js/chunk-2d0b92c3.9283a966.js" rel="prefetch"><link href="dist/js/chunk-2d0bd54e.60e03cad.js" rel="prefetch"><link href="dist/js/chunk-2d0be174.b87008fb.js" rel="prefetch"><link href="dist/js/chunk-2d0c0a44.d53f93f5.js" rel="prefetch"><link href="dist/js/chunk-2d0c14fc.b8f77d81.js" rel="prefetch"><link href="dist/js/chunk-2d0c18d8.6fbb7e49.js" rel="prefetch"><link href="dist/js/chunk-2d0c191e.fe3d1357.js" rel="prefetch"><link href="dist/js/chunk-2d0c1a01.dc5d667f.js" rel="prefetch"><link href="dist/js/chunk-2d0d9fbc.17416e36.js" rel="prefetch"><link href="dist/js/chunk-2d0da701.7110cb06.js" rel="prefetch"><link href="dist/js/chunk-2d0dad5f.6b6ae29f.js" rel="prefetch"><link href="dist/js/chunk-2d0db0f2.773ee0f5.js" rel="prefetch"><link href="dist/js/chunk-2d0dddce.29899f8c.js" rel="prefetch"><link href="dist/js/chunk-2d0ddf37.34d67f64.js" rel="prefetch"><link href="dist/js/chunk-2d0de01b.cdda7c02.js" rel="prefetch"><link href="dist/js/chunk-2d0e2326.3892b64c.js" rel="prefetch"><link href="dist/js/chunk-2d0e268c.26e984c6.js" rel="prefetch"><link href="dist/js/chunk-2d0e5089.cd1baa18.js" rel="prefetch"><link href="dist/js/chunk-2d0e9742.62e1ccbf.js" rel="prefetch"><link href="dist/js/chunk-2d0f026c.d60c3ba2.js" rel="prefetch"><link href="dist/js/chunk-2d2082b9.ffe557f3.js" rel="prefetch"><link href="dist/js/chunk-2d208ffa.9c8ddeaf.js" rel="prefetch"><link href="dist/js/chunk-2d20ec02.917aff76.js" rel="prefetch"><link href="dist/js/chunk-2d20f68f.38ee762b.js" rel="prefetch"><link href="dist/js/chunk-2d210a7a.fe6b0e7b.js" rel="prefetch"><link href="dist/js/chunk-2d216004.3416e02c.js" rel="prefetch"><link href="dist/js/chunk-2d216b67.2d06497a.js" rel="prefetch"><link href="dist/js/chunk-2d217907.56264cde.js" rel="prefetch"><link href="dist/js/chunk-2d226d0a.d30a47fe.js" rel="prefetch"><link href="dist/js/chunk-2d2299c3.2b0ea5a2.js" rel="prefetch"><link href="dist/js/chunk-2d22bd06.10b3f71a.js" rel="prefetch"><link href="dist/js/chunk-2d2308b0.d813ba33.js" rel="prefetch"><link href="dist/js/chunk-2d238428.4ff78bd9.js" rel="prefetch"><link href="dist/js/chunk-3a2f3e67.13278516.js" rel="prefetch"><link href="dist/css/app.ce9a682a.css" rel="preload" as="style"><link href="dist/css/chunk-vendors.1790fe42.css" rel="preload" as="style"><link href="dist/js/app.d59b181d.js" rel="preload" as="script"><link href="dist/js/chunk-vendors.7f3b8358.js" rel="preload" as="script"><link href="dist/css/chunk-vendors.1790fe42.css" rel="stylesheet"><link href="dist/css/app.ce9a682a.css" rel="stylesheet"></head><body><noscript><strong>We're sorry but thoughts doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><div id="app"></div><script src="dist/js/chunk-vendors.7f3b8358.js"></script><script src="dist/js/app.d59b181d.js"></script></body></html>
\ No newline at end of file
