Uncaught (in promise) Error: Network Error这是什么bug

Uncaught (in promise) Error: Network Error
    at createError (main.js:1072:15)
    at XMLHttpRequest.handleError (main.js:917:14)
17:02:27.018 main.js:1072 Uncaught (in promise) Error: Network Error
    at createError (main.js:1072:15)
    at XMLHttpRequest.handleError (main.js:917:14)