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为什么同样的两个请求网址,一个有响应内容另一个却没有呢?

如图:两个相同的请求网址,一个有响应内容,而另一个却没有,这是为什么呢?而且把请求地址用浏览器打开也只是返回{"ok":0}
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估计一个options,一个正常请求;后端需要对options进行处理;


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