Supabase Edge Function基础示例报错：FunctionsFetchError求助

我按照Supabase官方快速入门教程创建了"hello-world" Edge Function，已经关闭JWT验证，完全没有修改示例代码，但调用时始终返回FunctionsFetchError。控制台报错日志如下：

Log Event Message
SyntaxError: Unexpected end of JSON input
at parse ()
at packageData (ext:deno_fetch/22_body.js:362:14)
at consumeBody (ext:deno_fetch/22_body.js:239:12)
at async Server. (file:///src/index.ts:7:23)
at async Server.#respond (https://deno.land/std@0.168.0/http/server.ts:221:24)

函数地址：gwhzelyucjyglpyptrox.functions.supabase.co/hello-world

内容的提问来源于stack exchange，提问作者Winter Tribute