weidentity-sample 的 /step3/createCredential` 报 credential signature cannot be extracted

你好，我的 weidentity-sample 中为release/3.1.0 在验证凭证这块报错（ps:参数正常）：
参数：
{
  "credential": {
    "context": "https://github.com/WeBankFinTech/WeIdentity/blob/master/context/v1",
    "id": "f26a4e33-c4fb-4398-8e3a-b6d3b200d1d2",
    "cptId": 2000002,
    "issuer": "did:weid:bestpay:0x4bab087d162bc8dc5f1ba79ac8bafec7af28bd05",
    "issuanceDate": 1718784136,
    "expirationDate": 4872384136,
    "claim": {
      "gender": "F",
      "name": "bob",
      "age": "10"
    },
    "proof": {
      "creator": "did:weid:bestpay:0x4bab087d162bc8dc5f1ba79ac8bafec7af28bd05",
      "signature": "9kworMiZf292ek/ajAjdg6D4OrC5p+xjmoby8+cbvDZoKJlJDU94lq0qHqPSKAMqV8fJz0Jjq/3jr///pa++qAE=",
      "created": "1718784136",
      "type": "Secp256k1"
    },
    "signature": "9kworMiZf292ek/ajAjdg6D4OrC5p+xjmoby8+cbvDZoKJlJDU94lq0qHqPSKAMqV8fJz0Jjq/3jr///pa++qAE=",
    "hash": "0x8086fa28a66ab5ec7c811e244f63a376b667d0ac8cd02fa9bc9d4812999ae693",
    "proofType": "Secp256k1",
	"signatureThumbprint": "{\"claim\":\"age0x9a0310d247fb87d919e153255923716a2176966b60ece3da5462d4b9da00d875gender0xf846c5d9bbb68f903819ec35244e4b63c5db29b5c32a9603defb351216723af7name0xfe4214c98edac8f87fa2a5e8fa098ef06296d0dc25a238792f15acbac5da147e\",\"context\":\"https://github.com/WeBankFinTech/WeIdentity/blob/master/context/v1\",\"cptId\":2000002,\"expirationDate\":4872384136,\"id\":\"f26a4e33-c4fb-4398-8e3a-b6d3b200d1d2\",\"issuanceDate\":1718784136,\"issuer\":\"did:weid:bestpay:0x4bab087d162bc8dc5f1ba79ac8bafec7af28bd05\",\"proof\":{\"created\":\"1718784136\",\"creator\":\"did:weid:bestpay:0x4bab087d162bc8dc5f1ba79ac8bafec7af28bd05\",\"signature\":\"9kworMiZf292ek/ajAjdg6D4OrC5p+xjmoby8+cbvDZoKJlJDU94lq0qHqPSKAMqV8fJz0Jjq/3jr///pa++qAE=\",\"type\":\"Secp256k1\"}}"
	}
}
![输入图片说明](https://foruda.gitee.com/images/1718791664158010015/faa84385_2204379.png "屏幕截图")
日志：
![输入图片说明](https://foruda.gitee.com/images/1718791717184510262/ad62b9b7_2204379.png "屏幕截图")
然后看了源码参数添加了 "type":["original"] ,还是错误:
![输入图片说明](https://foruda.gitee.com/images/1718792115888749063/442c3a91_2204379.png "屏幕截图")

WeBank/WeIdentity-Sample

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