build: resolve build error

build/script/buildConf.ts

@@ -1,7 +1,7 @@
 /**
  * Generate additional configuration files when used for packaging. The file can be configured with some global variables, so that it can be changed directly externally without repackaging
  */
-import fs, { writeFileSync } from 'fs-extra'
+import fs from 'fs-extra'
 import colors from 'picocolors'
 import { GLOB_CONFIG_FILE_NAME, OUTPUT_DIR } from '../constant'
 
@@ -31,7 +31,7 @@ function createConfig(params: CreateConfigParams) {
     `.replace(/\s/g, '')
 
     fs.mkdirp(getRootPath(OUTPUT_DIR))
-    writeFileSync(getRootPath(`${OUTPUT_DIR}/${configFileName}`), configStr)
+    fs.writeFileSync(getRootPath(`${OUTPUT_DIR}/${configFileName}`), configStr)
 
     console.log(`${colors.cyan(`✨ [${pkg.name}]`)} - configuration file is build successfully:`)
     console.log(`${colors.gray(`${OUTPUT_DIR}/${colors.green(configFileName)}`)}\n`)

src/components/Upload/src/UploadModal.vue

@@ -150,7 +150,7 @@ async function uploadApiByItem(item: FileItem) {
 // 点击开始上传
 async function handleStartUpload() {
   const { maxNumber } = props
-  if ((fileListRef.value.length + props.previewFileList?.length ?? 0) > maxNumber)
+  if ((fileListRef.value.length + props.previewFileList.length) > maxNumber)
     return createMessage.warning(t('component.upload.maxNumber', [maxNumber]))
 
   try {