fix typo

Author: afc163

package.json

@@ -36,7 +36,7 @@
     "compile": "father build && lessc assets/index.less assets/index.css",
     "gh-pages": "npm run build && father doc deploy",
     "prepublishOnly": "npm run compile && np --no-cleanup --yolo --no-publish",
-    "postPublish": "npm run gh-pages",
+    "postpublish": "npm run gh-pages",
     "lint": "eslint src/ --ext .ts,.tsx,.jsx,.js,.md",
     "prettier": "prettier --write \"**/*.{ts,tsx,js,jsx,json,md}\"",
     "test": "father test",