message: fix: tree shaking is broken
diff: "version": "3.3.6",
  "description": "Mobile UI Components built on Vue",
  "main": "lib/vant.cjs.js",
  - "module": "lib/vant.es.js",
  + "module": "es/index.js",
  "style": "lib/index.css",
  "typings": "lib/index.d.ts",
  "unpkg": "lib/vant.min.js",
  "import": "./lib/ssr.mjs",
  "require": "./lib/ssr.js"
  },
  - "import": "./lib/vant.es.js",
  + "import": "./es/index.js",
  "require": "./lib/vant.cjs.js",
  "types": "./lib/index.d.ts"
  },
  - "./es": "./lib/vant.es.js",
  + "./es": "./es/index.js",
  "./lib": "./lib/vant.cjs.js",
  "./es/": "./es/",
  "./lib/": "./lib/",
  