How do we convert bytes from encoded number

In substrate(rust), type of encoded value is Vec<u8> and in polkadot-js, type of encoded value is Uint8Array. How to convert a value of type Uint8Array to value of type Vec<u8> or Bytes?

Error code 1

let u8_1 = api.registry.createType("u8", 1).toU8a();
let u32_25 = api.registry.createType("u32", 25).toU8a();

Error message is : mockNumericCondtion: error message is MustBeDecodable,

This error defined

let number: u8 = Decode::decode(&mut &_query[..]).map_err(|_| Error::<T>::MustBeDecodable)?;

Error code 2

let u8_1 = new Bytes(api.registry, api.registry.createType("u8", 1).toU8a());
let u32_25 = new Bytes(api.registry, api.registry.createType("u32", 25).toU8a());

Error message is: UnhandledPromiseRejectionWarning: Error: Bytes: required length less than remainder, expected at least 2, found 1

[thashimoto1998]

It worked 😃 Thank you very much!

[polkadot-js-bot]

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