我如何使用batchGet（）来获取两个表

Question

我正在尝试使用批处理Get（）获取两个表。

Error { ResourceNotFoundException: Requested resource not found
    at Request.extractError (D: \Posts\node_modules\aws-sdk\lib\protocol\json.js:51:27)
    at Request.callListeners (D:\Posts\node_modules\aws-sdk\lib\sequential_executor.js:106:20)
    at Request.emit (D:\Posts\node_modules\aws-sdk\lib\sequential_executor.js:78:10)
    at Request.emit (D: \Posts\node_modules\aws-sdk\lib\request.js:683:14)
    at Request.transition (D: \Posts\node_modules\aws-sdk\lib\request.js:22:10)
    at AcceptorStateMachine.runTo (D: \Posts\node_modules\aws-sdk\lib\state_machine.js:14:12)
    at D: \Posts\node_modules\aws-sdk\lib\state_machine.js:26:10
    at Request.<anonymous> (D:\Posts\node_modules\aws-sdk\lib\request.js:38:9)
    at Request.<anonymous> (D:\Posts\node_modules\aws-sdk\lib\request.js:685:12)
    at Request.callListeners (D:\Posts\node_modules\aws-sdk\lib\sequential_executor.js:116:18)
  message: 'Requested resource not found',
  code: 'ResourceNotFoundException',
  time: 2019-09-23T07:29:13.128Z,
  requestId: 'VVSRDL4V2299JSMFKD88R8TT77VV4KQNSO5AEMVJF66Q9ASUAAJG',
  statusCode: 400,
  retryable: false,
  retryDelay: 24.23023597884083 }