状态机在过程中超时失败，应该怎么解决？

【以下的问题经过翻译处理】 我更新了我的状态机以使用任务令牌，现在它在选择时超时。这以前是有效的，第一个 supportticketparse lambda 函数的 cloudwatch 日志并未表明有任何问题。我的猜测是我在有效载荷定义中有错误，但我不确定。这个定义有什么明显的错误吗？如果没有，我还能在哪里寻找潜在的问题？

{
  "Comment": "A description of my state machine",
  "StartAt": "zen sort",
  "TimeoutSeconds": 60,
  "States": {
    "zen sort": {
      "Type": "Task",
      "Resource": "arn:aws:states:::lambda:invoke.waitForTaskToken",
      "OutputPath": "$.Payload",
      "Parameters": {
        "FunctionName": "arn:aws:lambda:us-east-1:363540650061:function:support-ticket-parse:$LATEST",
        "Payload": {
          "ExecutionContext.$": "$$",
          "APIGatewayEndpoint": "https://9084s1lza7.execute-api.us-east-1.amazonaws.com/test/",
          "Payload.$": "$"
        }
      },
      "Next": "Choice"
    },
    "Choice": {
      "Type": "Choice",
      "Choices": [
        {
          "Variable": "$.name",
          "StringMatches": "New User Account ",
          "Next": "send email"
        },
        {
          "Not": {
            "Variable": "$.name",
            "StringMatches": "New User Account "
          },
          "Next": "Fail"
        }
      ],
      "Default": "Fail"
    },
    "send email": {
      "Type": "Task",
      "Resource": "arn:aws:states:::lambda:invoke.waitForTaskToken",
      "OutputPath": "$.Payload",
      "Parameters": {
        "FunctionName": "arn:aws:lambda:us-east-1:363540650061:function:send_email:$LATEST",
        "Payload": {
          "ExecutionContext.$": "$$",
          "APIGatewayEndpoint": "https://9084s1lza7.execute-api.us-east-1.amazonaws.com/test/",
          "Payload.$": "$"
        }
      },
      "Retry": [
        {
          "ErrorEquals": [
            "Lambda.ServiceException",
            "Lambda.AWSLambdaException",
            "Lambda.SdkClientException"
          ],
          "IntervalSeconds": 2,
          "MaxAttempts": 6,
          "BackoffRate": 2
        }
      ],
      "End": true
    },
    "Fail": {
      "Type": "Fail"
    }
  }
}