<!doctype html>
<html data-n-head-ssr lang="en" data-n-head="%7B%22lang%22:%7B%22ssr%22:%22en%22%7D%7D">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width,initial-scale=1">
    <title>Get Help - Basics - Handbook - Apache ECharts</title><meta data-n-head="ssr" data-hid="docsearch:language" name="docsearch:language" content="en"><base href="/handbook/"><link data-n-head="ssr" rel="shortcut icon" type="image/png" href="https://echarts.apache.org/en/images/favicon.png"><link data-n-head="ssr" rel="stylesheet" href="https://fastly.jsdelivr.net/npm/bootstrap@3.4.1/dist/css/bootstrap.min.css"><link data-n-head="ssr" rel="stylesheet" href="https://echarts.apache.org/en/css/main.css"><link data-n-head="ssr" rel="stylesheet" href="https://fastly.jsdelivr.net/npm/docsearch.js@2.6.3/dist/cdn/docsearch.min.css"><link data-n-head="ssr" rel="preconnect" href="https://14syrifeto-dsn.algolia.net" crossorigin=""><script data-n-head="ssr" src="https://fastly.jsdelivr.net/npm/jquery@3.7.1/dist/jquery.min.js"></script><script data-n-head="ssr" src="https://fastly.jsdelivr.net/npm/bootstrap@3.4.1/dist/js/bootstrap.min.js"></script><script data-n-head="ssr" src="https://fastly.jsdelivr.net/npm/docsearch.js@2.6.3/dist/cdn/docsearch.min.js"></script><link rel="preload" href="/handbook/_nuxt/39f47d5.js" as="script"><link rel="preload" href="/handbook/_nuxt/js/fa73816a85b29fbf7562.js" as="script"><link rel="preload" href="/handbook/_nuxt/css/8117eb7.css" as="style"><link rel="preload" href="/handbook/_nuxt/js/b964c20bb1562bc48da6.js" as="script"><link rel="preload" href="/handbook/_nuxt/css/093f748.css" as="style"><link rel="preload" href="/handbook/_nuxt/js/370a69432553765ab9ac.js" as="script"><link rel="preload" href="/handbook/_nuxt/css/ba9ec8a.css" as="style"><link rel="preload" href="/handbook/_nuxt/js/e6d1a07e1c4601004948.js" as="script"><link rel="preload" href="/handbook/_nuxt/css/3556c50.css" as="style"><link rel="preload" href="/handbook/_nuxt/js/9d86a6602b3f4dd6c979.js" as="script"><link rel="stylesheet" href="/handbook/_nuxt/css/8117eb7.css"><link rel="stylesheet" href="/handbook/_nuxt/css/093f748.css"><link rel="stylesheet" href="/handbook/_nuxt/css/ba9ec8a.css"><link rel="stylesheet" href="/handbook/_nuxt/css/3556c50.css">
  </head>
  <body>
    <div data-server-rendered="true" id="__nuxt"><!----><div id="__layout"><div><nav role="navigation" class="navbar navbar-default navbar-fixed-top"><div class="container-fluid"><div class="navbar-header"><button type="button" data-toggle="collapse" data-target="#navbar-collapse" aria-expanded="false" class="navbar-toggle collapsed"><span class="sr-only">Toggle navigation</span><span class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span></button><a href="https://echarts.apache.org/en/index.html" class="navbar-brand"><img src="https://echarts.apache.org/en/images/logo.png?_v_=20240226" alt="echarts logo" class="navbar-logo"></a></div><div id="navbar-collapse" class="collapse navbar-collapse"><ul class="nav navbar-nav navbar-left"><li id="nav-index"><a href="https://echarts.apache.org/en/index.html">Home</a></li><li id="nav-doc" class="dropdown"><a href="#" data-toggle="dropdown" class="dropdown-toggle">Docs<b class="caret"></b></a><ul class="dropdown-menu"><li><a href="https://echarts.apache.org/en/feature.html">Features</a></li><li><a href="https://echarts.apache.org/handbook/en/get-started/">Handbook</a></li><li><a href="https://echarts.apache.org/en/api.html">API</a></li><li><a href="https://echarts.apache.org/en/option.html">Chart Configuration</a></li><li><a href="https://echarts.apache.org/en/changelog.html">Changelog</a></li><li><a href="https://echarts.apache.org/en/faq.html">FAQ</a></li><li><a href="https://echarts.apache.org/handbook/en/basics/release-note/v5-upgrade-guide">V5 Upgrade Guide</a></li></ul></li><li id="nav-download" class="dropdown"><a href="#" data-toggle="dropdown" class="dropdown-toggle">Download<b class="caret"></b></a><ul class="dropdown-menu"><li><a href="https://echarts.apache.org/en/download.html">Download</a></li><li><a href="https://echarts.apache.org/en/download-theme.html">Download Themes</a></li><li><a href="https://echarts.apache.org/en/download-extension.html">Download Extensions</a></li></ul></li><li id="nav-examples"><a href="https://echarts.apache.org/examples/en/index.html">Examples</a></li><li id="nav-resources"><a href="#" data-toggle="dropdown" class="dropdown-toggle">Resources<b class="caret"></b></a><ul class="dropdown-menu"><li><a href="https://echarts.apache.org/en/spreadsheet.html">Spread Sheet Tool</a></li><li><a href="https://echarts.apache.org/en/theme-builder.html">Theme Builder</a></li><li><a href="https://echarts.apache.org/en/cheat-sheet.html">Cheat Sheet</a></li><li><a href="https://echarts.apache.org/en/resources.html">More Resources</a></li></ul></li><li id="nav-contribute"><a href="#" data-toggle="dropdown" class="dropdown-toggle">Community<b class="caret"></b></a><ul class="dropdown-menu"><li><a href="https://echarts.apache.org/en/events.html">Events</a></li><li><a href="https://echarts.apache.org/en/committers.html">Committers</a></li><li><a href="https://echarts.apache.org/en/maillist.html">Mailing List</a></li><li><a href="https://echarts.apache.org/en/contributing.html">How to Contribute</a></li><li><a href="https://echarts.apache.org/en/dependencies.html">Dependencies</a></li><li><a href="https://echarts.apache.org/en/coding-standard.html">Code Standard</a></li><li><a href="https://github.com/apache/echarts" target="_blank">Source Code (GitHub)<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li><a href="https://github.com/apache/echarts/issues" target="_blank">Issues (GitHub)<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li></ul></li><li id="nav-others"><a href="#" data-toggle="dropdown" class="dropdown-toggle">ASF<b class="caret"></b></a><ul class="dropdown-menu"><li><a href="https://www.apache.org/" target="_blank">Apache Software Foundation<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li><a href="https://echarts.apache.org/en/security.html">Security</a></li><li><a href="https://www.apache.org/licenses/" target="_blank">License<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li><a href="https://www.apache.org/events/current-event" target="_blank">Events<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li><a href="https://www.apache.org/foundation/sponsorship.html" target="_blank">Sponsorship<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li><a href="https://www.apache.org/foundation/thanks.html" target="_blank">Thanks<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li></ul></li></ul><ul class="nav navbar-nav navbar-right"><li id="nav-homeen"><a href="javascript:;" onclick='changeLang("zh")'>中文</a></li></ul></div></div></nav> <div class="page-main"><div class="page-content handbook-content single-page container-fluid row flex-xl-nowrap"><div class="bd-sidebar col-sm-3 col-md-2 closed"><div class="sidebar-search"><input id="handbook-search-input" type="search" placeholder="Search Handbook"> <div class="search-icon"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"></path></svg></div></div> <div class="bd-docs-nav"><ul class="nav bd-sidenav nav-root level0"><li class="nav-item"><a href="/handbook/en/get-started" class="nav-link"><span class="title">Get Started</span></a> <ul class="nav bd-sidenav level1" style="display:none"></ul></li><li class="nav-item"><div class="nav-link"><span class="title">Basics</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a href="/handbook/en/basics/download" class="nav-link"><span class="title">Download ECharts</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/basics/import" class="nav-link"><span class="title">Import ECharts</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><!----><li class="nav-item"><a href="/handbook/en/basics/help" aria-current="page" class="nav-link nuxt-link-exact-active nuxt-link-active"><span class="title">Get Help</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a class="nav-link"><span class="title">What's New</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/en/basics/release-note/v5-feature" class="nav-link"><span class="title">ECharts 5 Features</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/basics/release-note/v5-upgrade-guide" class="nav-link"><span class="title">Migration from v4 to v5</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/basics/release-note/5-2-0" class="nav-link"><span class="title">5.2</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/basics/release-note/5-3-0" class="nav-link"><span class="title">5.3</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/basics/release-note/5-4-0" class="nav-link"><span class="title">5.4</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/basics/release-note/5-5-0" class="nav-link"><span class="title">5.5</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">Concepts</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a href="/handbook/en/concepts/chart-size" class="nav-link"><span class="title">Chart Container</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><!----><!----><li class="nav-item"><a href="/handbook/en/concepts/style" class="nav-link"><span class="title">Style</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/concepts/dataset" class="nav-link"><span class="title">Dataset</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/concepts/data-transform" class="nav-link"><span class="title">Data Transform</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><!----><li class="nav-item"><a href="/handbook/en/concepts/axis" class="nav-link"><span class="title">Axis</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/concepts/visual-map" class="nav-link"><span class="title">Visual Mapping</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/concepts/legend" class="nav-link"><span class="title">Legend</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/concepts/event" class="nav-link"><span class="title">Event and Action</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">How To Guides</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a class="nav-link"><span class="title">Common Charts</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a class="nav-link"><span class="title">Bar</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/chart-types/bar/basic-bar" class="nav-link"><span class="title">Basic Bar</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/bar/stacked-bar" class="nav-link"><span class="title">Stacked Bar</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/bar/bar-race" class="nav-link"><span class="title">Bar Racing</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><!----><li class="nav-item"><a href="/handbook/en/how-to/chart-types/bar/waterfall" class="nav-link"><span class="title">Waterfall</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Line</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/chart-types/line/basic-line" class="nav-link"><span class="title">Basic Line</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/line/stacked-line" class="nav-link"><span class="title">Stacked Line</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/line/area-line" class="nav-link"><span class="title">Area Chart</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/line/smooth-line" class="nav-link"><span class="title">Smoothed Line</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/line/step-line" class="nav-link"><span class="title">Step Line</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Pie</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/chart-types/pie/basic-pie" class="nav-link"><span class="title">Basic Pie</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/pie/doughnut" class="nav-link"><span class="title">Ring Style</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/pie/rose" class="nav-link"><span class="title">Rose Style</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Scatter</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/chart-types/scatter/basic-scatter" class="nav-link"><span class="title">Basic Scatter</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li></ul></li><!----><li class="nav-item"><a class="nav-link"><span class="title">Cross Platform</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/cross-platform/server" class="nav-link"><span class="title">Server Side Rendering</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Data</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/data/dynamic-data" class="nav-link"><span class="title">Dynamic Data</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><!----></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Label</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/label/rich-text" class="nav-link"><span class="title">Rich Text</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Animation</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/animation/transition" class="nav-link"><span class="title">Data Transition</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Interaction</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/interaction/drag" class="nav-link"><span class="title">Drag</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><!----><li class="nav-item"><a href="/handbook/en/how-to/interaction/coarse-pointer" class="nav-link"><span class="title">Intelligent Pointer Snapping</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">Best Practices</span></div> <ul class="nav bd-sidenav level1"><!----><li class="nav-item"><a href="/handbook/en/best-practices/canvas-vs-svg" class="nav-link"><span class="title">Canvas vs. SVG</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/best-practices/aria" class="nav-link"><span class="title">Aria</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">Edit Handbook</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a href="/handbook/en/meta/edit-guide" class="nav-link"><span class="title">Edit Guide</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li></ul></li></ul></div> <div class="open-sidebar"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg></div></div> <div class="bd-content col-sm-7 pl-sm-2 col-12"><div class="post-content content"><div><div class="post-inner"><!----> <div class="nuxt-content"><article><h1 id="get-help" tabindex="-1">Get Help</h1> <h2 id="technical-problems" tabindex="-1">Technical Problems</h2> <h3 id="make-sure-that-existing-documentation-do-not-solve-your-problem" tabindex="-1">Make sure that existing documentation do not solve your problem</h3> <p>ECharts has a very large number of users, so it's more than likely that someone else has encountered and solved the problem you've had. By reading the documentation and using the search engine, you can solve your problem quickly by yourself without help from the community.</p> <p>Therefore, before doing anything else, make sure that current documentation and other resources can't solve your problem. Resources that can be helpful for you include,</p> <ul><li><a href="https://echarts.apache.org/api.html">API</a></li> <li><a href="https://echarts.apache.org/option.html">Option Manual</a> - you can try to use the search function</li> <li>Articles in this handbook</li> <li><a href="https://echarts.apache.org/faq.html">FAQ</a></li> <li>Searching in <a href="https://github.com/apache/echarts/issues">GitHub issue</a></li> <li>Using the search engine</li></ul> <h3 id="create-the-minimal-reproducible-demo" tabindex="-1">Create the Minimal Reproducible Demo</h3> <p>Create an example on <a href="https://echarts.apache.org/examples/editor.html">Official Editor</a>, <a href="https://codepen.io/Ovilia/pen/dyYWXWM">CodePen</a>, <a href="https://codesandbox.io/s/echarts-basic-example-template-mpfz1s">CodeSandbox</a> or <a href="https://jsfiddle.net/plainheart/e46ozpqj/7/">JSFiddle</a>, which will make it easier for others to reproduce your problem.</p> <p>The example should reproduce your problem in the simplest way. Removing unnecessary code and data can enable those who want to help you to locate and then solve the problem more quickly. Please refer to <a href="https://stackoverflow.com/help/minimal-reproducible-example">How to Create a Minimal, Reproducible Example</a> for more details.</p> <h3 id="determining-if-it's-a-bug" tabindex="-1">Determining if It's a Bug</h3> <h4 id="report-a-bug-or-request-a-new-feature" tabindex="-1">Report a Bug or Request a New Feature</h4> <p>If some behavior is different from the documentation or isn't what you expected, it's probably a bug. If it's a bug, or you have a feature request, please use the <a href="https://github.com/apache/echarts/issues/new/choose">issue template</a> to create a new issue and describe it in detail as per the prompts.</p> <h4 id="how-to-questions" tabindex="-1">How-To Questions</h4> <p>If it's not a bug, but you don't know how to achieve something, try the <a href="https://stackoverflow.com/questions/tagged/echarts">stackoverflow.com</a></p> <p>If you don't get an answer, you can also send an email to <a href="mailto:dev@echarts.apache.org">dev@echarts.apache.org</a>. In order for more people to understand your question and to get help in future searches, it is highly recommended to write the email in English.</p> <h2 id="non-technical-questions" tabindex="-1">Non-technical questions</h2> <p>For other non-technical questions, you can send an email in English to <a href="mailto:dev@echarts.apache.org">dev@echarts.apache.org</a>.</p></article></div></div> <div class="post-contributors"><h3><span class="inline-block align-middle">Contributors</span> <a target="_blank" href="https://github.com/apache/echarts-handbook/tree/master/contents/en/basics/help.md" title="Edit this Document" class="inline-block align-middle text-sm"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-8 w-8 inline-block align-middle"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"></path></svg> <span class="inline-block align-middle">Edit this page on GitHub</span></a></h3> <div class="post-contributors-list"><a href="https://github.com/plainheart" target="_blank" class="post-contributor"><img alt="plainheart" src="https://avatars.githubusercontent.com/plainheart?size=60" loading="lazy"> <span>plainheart</span></a><a href="https://github.com/pissang" target="_blank" class="post-contributor"><img alt="pissang" src="https://avatars.githubusercontent.com/pissang?size=60" loading="lazy"> <span>pissang</span></a></div></div></div></div></div></div></div></div></div></div><script>window.__NUXT__=function(t,e,i,r,a,l,d,o,n,s,h,c,p,u,m,f,b,g,y,v,w,x,k,C,P,S,B,E,R,q,D,I,M,A,T,G,H,L,_,z,F,O,V,N,W,U,j,Q,X,$,J,Y,K,Z,tt,et,it,rt){return{layout:"default",data:[{html:'<h1 id="get-help" tabindex="-1">Get Help</h1>\n<h2 id="technical-problems" tabindex="-1">Technical Problems</h2>\n<h3 id="make-sure-that-existing-documentation-do-not-solve-your-problem" tabindex="-1">Make sure that existing documentation do not solve your problem</h3>\n<p>ECharts has a very large number of users, so it\'s more than likely that someone else has encountered and solved the problem you\'ve had. By reading the documentation and using the search engine, you can solve your problem quickly by yourself without help from the community.</p>\n<p>Therefore, before doing anything else, make sure that current documentation and other resources can\'t solve your problem. Resources that can be helpful for you include,</p>\n<ul>\n<li><a href="https://echarts.apache.org/api.html">API</a></li>\n<li><a href="https://echarts.apache.org/option.html">Option Manual</a> - you can try to use the search function</li>\n<li>Articles in this handbook</li>\n<li><a href="https://echarts.apache.org/faq.html">FAQ</a></li>\n<li>Searching in <a href="https://github.com/apache/echarts/issues">GitHub issue</a></li>\n<li>Using the search engine</li>\n</ul>\n<h3 id="create-the-minimal-reproducible-demo" tabindex="-1">Create the Minimal Reproducible Demo</h3>\n<p>Create an example on <a href="https://echarts.apache.org/examples/editor.html">Official Editor</a>, <a href="https://codepen.io/Ovilia/pen/dyYWXWM">CodePen</a>, <a href="https://codesandbox.io/s/echarts-basic-example-template-mpfz1s">CodeSandbox</a> or <a href="https://jsfiddle.net/plainheart/e46ozpqj/7/">JSFiddle</a>, which will make it easier for others to reproduce your problem.</p>\n<p>The example should reproduce your problem in the simplest way. Removing unnecessary code and data can enable those who want to help you to locate and then solve the problem more quickly. Please refer to <a href="https://stackoverflow.com/help/minimal-reproducible-example">How to Create a Minimal, Reproducible Example</a> for more details.</p>\n<h3 id="determining-if-it\'s-a-bug" tabindex="-1">Determining if It\'s a Bug</h3>\n<h4 id="report-a-bug-or-request-a-new-feature" tabindex="-1">Report a Bug or Request a New Feature</h4>\n<p>If some behavior is different from the documentation or isn\'t what you expected, it\'s probably a bug. If it\'s a bug, or you have a feature request, please use the <a href="https://github.com/apache/echarts/issues/new/choose">issue template</a> to create a new issue and describe it in detail as per the prompts.</p>\n<h4 id="how-to-questions" tabindex="-1">How-To Questions</h4>\n<p>If it\'s not a bug, but you don\'t know how to achieve something, try the <a href="https://stackoverflow.com/questions/tagged/echarts">stackoverflow.com</a></p>\n<p>If you don\'t get an answer, you can also send an email to <a href="mailto:dev@echarts.apache.org">dev@echarts.apache.org</a>. In order for more people to understand your question and to get help in future searches, it is highly recommended to write the email in English.</p>\n<h2 id="non-technical-questions" tabindex="-1">Non-technical questions</h2>\n<p>For other non-technical questions, you can send an email in English to <a href="mailto:dev@echarts.apache.org">dev@echarts.apache.org</a>.</p>\n',postPath:"en/basics/help",title:"Get Help - Basics"}],fetch:{},error:null,state:{filled:!1,docVersion:"",ghVersion:"",visibleAffix:!1,homepage:{},adBlocked:!1,focusMode:!1,posts:{zh:[{title:"快速上手",dir:r},{title:"入门篇",dir:a,children:[{title:"获取 ECharts",dir:l},{title:"在项目中引入 ECharts",dir:d},{title:"资源列表",dir:o,draft:t},{title:"寻求帮助",dir:n},{title:"版本特性",dir:s,children:[{title:"ECharts 5 特性介绍",dir:h},{title:"v4 升级 v5 指南",dir:c},{title:5.2,dir:p},{title:5.3,dir:u},{title:5.4,dir:m},{title:5.5,dir:f}]}]},{title:"概念篇",dir:b,children:[{title:"图表容器及大小",dir:g},{title:"配置项",dir:y,draft:t},{title:"系列",dir:v,draft:t},{title:"样式",dir:w},{title:"数据集",dir:x},{title:"数据转换",dir:k},{title:"坐标系",dir:C,draft:t},{title:"坐标轴",dir:P},{title:"视觉映射",dir:i},{title:"图例",dir:S},{title:"事件与行为",dir:B}]},{title:"应用篇",dir:E,children:[{title:"常用图表类型",dir:R,children:[{title:"柱状图",dir:"bar",children:[{title:"基础柱状图",dir:q},{title:"堆叠柱状图",dir:D},{title:"动态排序柱状图",dir:I},{title:"极坐标系柱状图",dir:M,draft:t},{title:"阶梯瀑布图",dir:A},{title:"视觉映射的柱状图",dir:i,draft:t}]},{title:"折线图",dir:T,children:[{title:"基础折线图",dir:G},{title:"堆叠折线图",dir:H},{title:"区域面积图",dir:L},{title:"平滑曲线图",dir:_},{title:"阶梯线图",dir:z}]},{title:"饼图",dir:"pie",children:[{title:"基础饼图",dir:F},{title:"圆环图",dir:O},{title:"南丁格尔图（玫瑰图）",dir:V}]},{title:"散点图",dir:N,children:[{title:"基础散点图",dir:W}]}]},{title:"移动端优化",dir:e,draft:t},{title:"跨平台方案",dir:U,children:[{title:"服务端渲染",dir:"server"},{title:"微信小程序",dir:"wechat-app"},{title:"百度智能小程序",dir:"baidu-app"}]},{title:"数据处理",dir:"data",children:[{title:"动态的异步数据",dir:j},{title:"数据下钻",dir:Q,draft:t}]},{title:"标签",dir:"label",children:[{title:"富文本标签",dir:X}]},{title:"动画",dir:$,children:[{title:"数据过渡动画",dir:J}]},{title:"交互",dir:Y,children:[{title:"拖拽的实现",dir:"drag"},{title:"多图联动",dir:K,draft:t},{title:"智能指针吸附",dir:Z}]}]},{title:"最佳实践",dir:tt,children:[{title:"移动端优化",dir:e,draft:t},{title:et,dir:it},{title:"无障碍访问",dir:"aria"}]},{title:"编辑本文档",dir:"meta",children:[{title:"文档编辑指南",dir:rt}]}],en:[{title:"Get Started",dir:r},{title:"Basics",dir:a,children:[{title:"Download ECharts",dir:l},{title:"Import ECharts",dir:d},{title:"Resources",dir:o,draft:t},{title:"Get Help",dir:n},{title:"What's New",dir:s,children:[{title:"ECharts 5 Features",dir:h},{title:"Migration from v4 to v5",dir:c},{title:5.2,dir:p},{title:5.3,dir:u},{title:5.4,dir:m},{title:5.5,dir:f}]}]},{title:"Concepts",dir:b,children:[{title:"Chart Container",dir:g},{title:"Chart Option",dir:y,draft:t},{title:"Series",dir:v,draft:t},{title:"Style",dir:w},{title:"Dataset",dir:x},{title:"Data Transform",dir:k},{title:"Coordinate",dir:C,draft:t},{title:"Axis",dir:P},{title:"Visual Mapping",dir:i},{title:"Legend",dir:S},{title:"Event and Action",dir:B}]},{title:"How To Guides",dir:E,children:[{title:"Common Charts",dir:R,children:[{title:"Bar",dir:"bar",children:[{title:"Basic Bar",dir:q},{title:"Stacked Bar",dir:D},{title:"Bar Racing",dir:I},{title:"Bar Polar",dir:M,draft:t},{title:"Waterfall",dir:A}]},{title:"Line",dir:T,children:[{title:"Basic Line",dir:G},{title:"Stacked Line",dir:H},{title:"Area Chart",dir:L},{title:"Smoothed Line",dir:_},{title:"Step Line",dir:z}]},{title:"Pie",dir:"pie",children:[{title:"Basic Pie",dir:F},{title:"Ring Style",dir:O},{title:"Rose Style",dir:V}]},{title:"Scatter",dir:N,children:[{title:"Basic Scatter",dir:W}]}]},{title:"Mobile",dir:e,draft:t},{title:"Cross Platform",dir:U,children:[{title:"Server Side Rendering",dir:"server"}]},{title:"Data",dir:"data",children:[{title:"Dynamic Data",dir:j},{title:"Drilldown",dir:Q,draft:t}]},{title:"Label",dir:"label",children:[{title:"Rich Text",dir:X}]},{title:"Animation",dir:$,children:[{title:"Data Transition",dir:J}]},{title:"Interaction",dir:Y,children:[{title:"Drag",dir:"drag"},{title:"Connect",dir:K,draft:t},{title:"Intelligent Pointer Snapping",dir:Z}]}]},{title:"Best Practices",dir:tt,children:[{title:"Mobile Optimization",dir:e,draft:t},{title:et,dir:it},{title:"Aria",dir:"aria"}]},{title:"Edit Handbook",dir:"meta",children:[{title:"Edit Guide",dir:rt}]}]},config:{routerBase:"/handbook",rootPath:"https://echarts.apache.org/handbook/",exampleViewPath:"https://echarts.apache.org/examples/${lang}/view.html?c=",exampleEditorPath:"https://echarts.apache.org/examples/${lang}/editor.html?c=",mainSitePath:"https://echarts.apache.org/",optionPath:"https://echarts.apache.org/option.html#",gitRepo:"apache/echarts-handbook"},i18n:{routeParams:{}}},serverRendered:t,routePath:"/en/basics/help",config:{_app:{basePath:"/handbook/",assetsPath:"/handbook/_nuxt/",cdnURL:null}}}}(!0,"mobile","visual-map","get-started","basics","download","import","resource","help","release-note","v5-feature","v5-upgrade-guide","5-2-0","5-3-0","5-4-0","5-5-0","concepts","chart-size","options","series","style","dataset","data-transform","coordinate","axis","legend","event","how-to","chart-types","basic-bar","stacked-bar","bar-race","polar-bar","waterfall","line","basic-line","stacked-line","area-line","smooth-line","step-line","basic-pie","doughnut","rose","scatter","basic-scatter","cross-platform","dynamic-data","drilldown","rich-text","animation","transition","interaction","connect","coarse-pointer","best-practices","Canvas vs. SVG","canvas-vs-svg","edit-guide")</script><script src="/handbook/_nuxt/39f47d5.js" defer></script><script src="/handbook/_nuxt/js/e6d1a07e1c4601004948.js" defer></script><script src="/handbook/_nuxt/js/9d86a6602b3f4dd6c979.js" defer></script><script src="/handbook/_nuxt/js/fa73816a85b29fbf7562.js" defer></script><script src="/handbook/_nuxt/js/b964c20bb1562bc48da6.js" defer></script><script src="/handbook/_nuxt/js/370a69432553765ab9ac.js" defer></script><noscript data-n-head="ssr" data-body="true"><div class="no-script"><strong>很抱歉，Apache ECharts 网站需要启用 JavaScript 才能正常运行。</strong></div></noscript>
    <script type="text/javascript">document.getElementById("nav-doc").className="active"</script>
    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-141228404-1"></script>
    <script>var _hmt=_hmt||[];function gtag(){dataLayer.push(arguments)}!function(){var e=document.createElement("script"),t=(e.src="https://hm.baidu.com/hm.js?54b918eee37cb8a7045f0fd0f0b24395",document.getElementsByTagName("script")[0]);t.parentNode.insertBefore(e,t)}(),window.dataLayer=window.dataLayer||[],gtag("js",new Date),gtag("config","UA-141228404-1")</script>
  </body>
</html>