echarts 升级到 5.6.0, main.js 文件中的引入方式有所变化

package.json

@@ -17,7 +17,7 @@
     "core-js": "^3.6.4",
     "crypto-js": "^4.1.1",
     "dplayer": "^1.26.0",
-    "echarts": "^4.9.0",
+    "echarts": "^5.6.0",
     "element-ui": "^2.15.14",
     "flv.js": "^1.6.2",
     "hls.js": "^1.1.2",

src/main.js

@@ -34,7 +34,7 @@ import MathJax from './assets/js/mathjax'
 // import 'mathjax/es5/tex-mml-chtml'
 Vue.prototype.MathJax = MathJax
 
-import echarts from 'echarts'
+import * as echarts from 'echarts'
 Vue.prototype.$echarts = echarts
 
 import '@/permission'