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调用Subscribe订阅callback方法的err一直是nil吗 #791

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davidfunn opened this issue Jan 14, 2025 · 0 comments

davidfunn commented Jan 14, 2025 •

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如上，在ServiceChanged后，调用callback方法，sdk默认传的err是nil，那么本地使用callback后进行err判断一直无效吗？

有什么方法可以知道产生了error并进行相应的处理

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