Describe the bug
Demo project works fine, but when I try to use it in my project. I get error

ReferenceError: $ is not defined
at VueComponent.mounted (TechCardEditor.vue:36)
at invokeWithErrorHandling (vue.runtime.esm.js:1854)
at callHook (vue.runtime.esm.js:4190)
at Object.insert (vue.runtime.esm.js:3132)
at invokeInsertHook (vue.runtime.esm.js:6307)
at VueComponent.patch [as patch] (vue.runtime.esm.js:6526)
at VueComponent.Vue._update (vue.runtime.esm.js:3919)
at VueComponent.updateComponent (vue.runtime.esm.js:4037)
at Watcher.get (vue.runtime.esm.js:4440)
at Watcher.run (vue.runtime.esm.js:4515)

To Reproduce
Steps to reproduce the behavior:

1. The first step
2. The second step
3. The third step
4. See error

What is expected?
Clear Excel form

Environment

• OS: Windows,
• Browser Version: Chrome Version 84.0.4147.105 (Official Build) (64-bit)
• Luckysheet Version: 1.0.1

Additional context
npm version
{
npm: '6.14.4',
ares: '1.16.0',
brotli: '1.0.7',
cldr: '37.0',
http_parser: '2.9.3',
icu: '67.1',
llhttp: '2.0.4',
modules: '72',
napi: '6',
nghttp2: '1.41.0',
node: '12.18.0',
openssl: '1.1.1g',
tz: '2019c',
unicode: '13.0',
uv: '1.37.0',
v8: '7.8.279.23-node.37',
zlib: '1.2.11'
}