[Dex] internal undefined Response when send MsgUpdateOperator by both okexchaincli and gosdk

[RevelationOfTuring]

Summary of Bug

1. Describe

Internal undefined Response when send MsgUpdateOperator by both okexchaincli and gosdk

okexchain tag：release/v0.15.0

2. Impact

3. Recover

1. register Dex Operator first;
2. send MsgUpdateOperator：

   okexchaincli tx dex edit-operator --handling-fee-address okexchain193xnjknz3e52mqv2nyufnzjugu3mh65rpxdasn --website www.okex.com --from turing -y -b block
   {
   "height": "0",
   "txhash": "1F03F42463A65FF9C9726AA801A57E7387EF54BF0AD75C0F4F3FB6D1BAFF3E97",
   "codespace": "undefined",
   "code": 1,
   "raw_log": "internal"
   }

Expected Result

Version

release/v0.15.0

Steps to Reproduce

---

For Admin Use

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• [ ] Appropriate labels applied
• [ ] Appropriate contributors tagged
• [ ] Contributor assigned/self-assigned

[tianxiataiping]

Loopback Testing Pass -- | --