vue项目运行npm run serve出错

html运行vue项目时npm run serve 后出现以下问题
PS C:\Users\2680419823qq.com\Desktop\film-rating> cd C:/Users/2680419823qq.com/Desktop/film-rating | npm run serve

film-rating@0.1.0 serve
vue-cli-service serve

ERROR Error loading vue.config.js:
ERROR TypeError: defineConfig is not a function
TypeError: defineConfig is not a function
at Object. (C:\Users\2680419823qq.com\Desktop\film-rating\vue.config.js:16:18)
at Module._compile (node:internal/modules/cjs/loader:1105:14)
at Object.Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
at Module.load (node:internal/modules/cjs/loader:981:32)
at Function.Module._load (node:internal/modules/cjs/loader:822:12)
at Module.require (node:internal/modules/cjs/loader:1005:19)
0:22)
at Service.init (C:\Users\2680419823qq.com\Desktop\film-rating\node_modules@vue\cli-service\lib\Service.js:70:30) at Service.run (C:\Users\2680419823qq.com\Desktop\film-rating\node_modules@vue\cli-service\lib\Service.js:215:10)

求解答

https://blog.csdn.net/belloc_li/article/details/124042646
看下这个

版本不一致,你写的是vue3的语法,但装的是vue2。要么你就把vue3的写法去了,要么就是升级vue