Unable to read workspace file ‘D:\angular.json‘: Invalid JSON character: “ “ at

Question:

Unable to read workspace file 'D:\font-end\antd\angular.json': Invalid JSON character: "　" at 36:71.`Insert code snippet here`

Step 1: introduce the notes of the angular ecarts.min.js
you have a problem with the angular ecarts.min.js, but if the notes are started, the following error will be reported:

Error: The target entry-point "ngx-echarts" has missing