fix: 修复图片发送问题

[CLAassistant]

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[huan]

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[leochen-g]

Please make sure the following requirements have been met for your PR before we can continue reviewing it:

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因为测试用例使用的是 @huan 的测试号，但是现在测试号是不在线的，所以目前测试案例跑不通 😂