variable keyStrBase64Safeimport { keyStrBase64Safe } from "https://dotland.deno.dev/x/somefn@v0.1.1-jsr/js/lz-string.ts"; base64 安全的字符串 type"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="