多柱图点击第2列柱子变成成单柱图后控制台报错，页面显示倒是正常 #9649
Description
- I am using English in this issue. 在这个 Issue 中我使用了英文（强烈建议）。
General Questions
- Required: I have read the document and examples and tried to solve it by myself. （必填）我读过了文档和教程，并且曾试图自己解决问题。
- Required: I have searched for similar issues and that didn't help. （必填）我搜索过 issue 但是没有帮助。
- Required: I have tried with the latest version of ECharts and still have this problem. （必填）我试过最新版本的 ECharts，还是存在这个问题。
In this issue, I have provided information with: 在这个 issue 中我提供了以下信息：
- Required: issue type；（必填）issue 类型
- Required: one sentence description in issue details；（必填）一句话的问题描述
- Required: demo；（必填）能反映问题的例子（如果你想提问或报 bug）
- Required: ECharts version；ECharts 版本
Issue Type
- I have a question to ask about how to use ECharts to ...；我想提问如何使用 ECharts 实现某功能
- I have a bug to report；我想要报 bug
- I have a feature to request, e.g.: I'd like a new feature that ...；我需要一个新功能
- I have a feature to enhance, e.g.: The current feature should be improved in the way that ...；我希望改进某个功能
- There's something wrong with the documents；文档有些问题
- Others, or I'm not sure which issue types to choose here；其他，或我不知道应该选什么类型
Issue Details
多柱图点击第2列柱子变成成单柱图后控制台报错，页面显示倒是正常
Expected Behavior
不报错
Current Behavior
Online Example
http://gallery.echartsjs.com/editor.html?c=xkEY2Oe9xK&v=2
Topics
- Legend
- Tooltip
- Event
- Performance
- SVG
- Map
- ECharts GL
- Third-party libraries, e.g.: Vue.js, React
Anything Else We Need to Know
Environment
-
ECharts version；ECharts 版本: 4.2.0-rc.2
-
It happens only on certain browsers or operating systems. 对于特定浏览器或操作系统才会出现的问题，请提供相应环境信息：{BROWSER_VERSION_OR_OS_INFORMATION_HERE}