运行子程序在Zotero中直接运行JavaScript代码）失败

按流程操作，报错

运行子程序在Zotero中直接运行JavaScript代码）失败。解析表达式出错。内部错误：响应状态代码不指示成功：500 nternalServer Error).原始表达式：//using System.Net.Http.Headers;var client new HttpClient(;var content new StringContent((jscode));content.Headers.ContentType newMediaTypeHeaderValue("application/javascript");var request new HttpRequestMessage（）Method HttpMethod.Post,