feat(cli): find root dir

packages/vant-cli/src/commands/changelog.ts

@@ -1,12 +1,12 @@
 import { join } from 'path';
 import { exec } from 'shelljs';
+import { ROOT } from '../common/constant';
 
 export function changelog(dist: string, cmd: { tag?: string }) {
-  const basepath = process.cwd();
   const tag = cmd.tag || 'v1.0.0';
 
   exec(`
-    basepath=${basepath}
+    basepath=${ROOT}
 
     github_changelog_generator \
       --header-label "# 更新日志" \
@@ -18,6 +18,6 @@ export function changelog(dist: string, cmd: { tag?: string }) {
       --no-author \
       --no-unreleased \
       --since-tag ${tag} \
-      -o ${join(basepath, dist)}
+      -o ${join(ROOT, dist)}
     `);
 }