add alias @ as path

vite.config.ts

@@ -1,7 +1,8 @@
 import { defineConfig, loadEnv } from 'vite'
 import vue from '@vitejs/plugin-vue'
-import viteCompression from 'vite-plugin-compression';
+import viteCompression from 'vite-plugin-compression'
 import { viteMockServe } from 'vite-plugin-mock'
+import { resolve } from 'path'
 
 // https://vitejs.cn/guide/env-and-mode.html#env-files
 export default defineConfig(({ mode }) => {
@@ -16,6 +17,16 @@ export default defineConfig(({ mode }) => {
         localEnabled: true,
       }),
     ],
-    base: env.VITE_RES_URL
+    base: env.VITE_RES_URL,
+    resolve: {
+      alias: {
+        '@': resolve(__dirname, 'src')
+      }
+    },
+    css: {
+      preprocessorOptions: {
+
+      }
+    }
   }
 })