message: fix(util): css prop
diff: @@ -91,7 +91,7 @@ export function mergeCssObjectPaths(paths: any) {
  const idx = result.findIndex(({ key }: any) => key === path)
  result[idx === -1 ? result.length : idx] = {
  key: path,
  - value: Object.assign({}, result[idx].value, value),
  + value: Object.assign({}, idx === -1 ? {} : result[idx].value, value),
  }
  return result
  }, [])
  