update some for composer.json

Author: inhere

composer.json

@@ -38,6 +38,7 @@
  "swoft/devtool": "~2.0.0"
  },
  "require-dev": {
+ "swoft/swlib": "~2.0.0",
  "swoft/swoole-ide-helper": "dev-master",
  "phpunit/phpunit": "^7.5"
  },