[bug] Encoded text cannot have a 6-bit remainder on iOS

[yIllusionSky]

Describe the bug

I use fetch to send a Post request. It is successfully requested on Windows, Android, and Mac, but on iOS it reports an error Encoded text cannot have a 6-bit remainder.
My http part:
{
"identifier": "http:default",
"all": true,
"allow": [{ "url": "https://**" }]
}

Reproduction

No response

Expected behavior

success get result

Full tauri info output

[✔] Environment
    - OS: Mac OS 14.4.1 X64
    ✔ Xcode Command Line Tools: installed
    ✔ rustc: 1.80.0-nightly (87293c958 2024-05-08)
    ✔ cargo: 1.80.0-nightly (0ca60e940 2024-05-08)
    ✔ rustup: 1.27.1 (54dd3d00f 2024-04-24)
    ✔ Rust toolchain: nightly-aarch64-apple-darwin (environment override by RUSTUP_TOOLCHAIN)
    - bun: 1.0.36

[-] Packages
    - tauri [RUST]: 2.0.0-beta.19
    - tauri-build [RUST]: 2.0.0-beta.15
    - wry [RUST]: 0.39.5
    - tao [RUST]: 0.28.0
    - tauri-cli [RUST]: 2.0.0-beta.17
    - @tauri-apps/api : not installed!
    - @tauri-apps/cli [NPM]: 2.0.0-beta.17

[-] App
    - build-type: bundle
    - CSP: default-src 'self'; img-src 'self' data:;; connect-src ipc: http://ipc.localhost
    - frontendDist: ../dist
    - devUrl: http://localhost:5173/
    - framework: Vue.js
    - bundler: Vite

[-] iOS
    - Developer Teams: None

Stack trace

No response

Additional context

No response