HarmonyOS api 11 Object.assign 会报红

function assign(target: Record<string, Object>, ...source: Object[]): Record<string, Object> { 
  for (const items of source) 
  { 
    for (const key of Object.keys(items)) 
    { 
      target[key] = Reflect.get(items, key) 
    } 
  } return target; 
}