fix: fix title bug.
diff --git a/en/option.html b/en/option.html
index 9ff5a1a..61fed20 100644
--- a/en/option.html
+++ b/en/option.html
@@ -6,7 +6,7 @@
+ '@font-face {font-family:"noto-light";src:local("Microsoft Yahei");}';
document.head.insertBefore(el, document.getElementById('font-hack'));
}
-</script><title><ECharts>Documentation</ECharts></title><style>html, body {
+</script><title>ECharts Documentation</title><style>html, body {
/* position: sticky should not have overflow parents.*/
overflow-x: hidden;
}</style><link rel="stylesheet" href="https://echarts.apache.org/en/css/doc-bundle.css?_v_=1594407688442"><script type="text/javascript" src="https://cdn.jsdelivr.net/npm/jquery@2.2.4/dist/jquery.min.js"></script></head><!--[if lte IE 8]><body class="lower-ie"><div id="lowie-main"><img src="https://echarts.apache.org/en/images/forie.png?_v_=20200710_1" alt="ie tip"></div></body><![endif]-->
diff --git a/zh/option.html b/zh/option.html
index 5fd209f..29ca833 100644
--- a/zh/option.html
+++ b/zh/option.html
@@ -6,7 +6,7 @@
+ '@font-face {font-family:"noto-light";src:local("Microsoft Yahei");}';
document.head.insertBefore(el, document.getElementById('font-hack'));
}
-</script><title><ECharts>Documentation</ECharts></title><style>html, body {
+</script><title>ECharts Documentation</title><style>html, body {
/* position: sticky should not have overflow parents.*/
overflow-x: hidden;
}</style><link rel="stylesheet" href="https://echarts-www.cdn.bcebos.com/zh/css/doc-bundle.css?_v_=1594407688442"><script type="text/javascript" src="https://cdn.jsdelivr.net/npm/jquery@2.2.4/dist/jquery.min.js"></script></head><!--[if lte IE 8]><body class="lower-ie"><div id="lowie-main"><img src="https://echarts-www.cdn.bcebos.com/zh/images/forie.png?_v_=20200710_1" alt="ie tip"></div></body><![endif]-->
