修改

src/types/components.d.ts

@@ -59,6 +59,7 @@ declare module 'vue' {
     ElTableColumn: typeof import('element-plus/es')['ElTableColumn']
     ElTag: typeof import('element-plus/es')['ElTag']
     ElTooltip: typeof import('element-plus/es')['ElTooltip']
+    ElTreeSelect: typeof import('element-plus/es')['ElTreeSelect']
     ElUpload: typeof import('element-plus/es')['ElUpload']
     EmptyState: typeof import('./../components/EmptyState/index.vue')['default']
     FileUpload: typeof import('./../components/FileUpload/index.vue')['default']