FYINTE

[HUST CSE]update ucloud_ai_demo.c

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为什么提交这份PR (why to submit this PR) 源文件：AliOS-Things\solutions\ucloud_ai_demo\ucloud_ai_demo.c 445行处的imagerecog_classifying_rubbish_callback和476行的imagerecog_detect_fruits_callback两个函数中并无返回值，但函数类型为int，未定义的返回值可能造成后续结果的混乱 你的解决方案是什么 (what is your solution) 在473行和500行处的函数结尾添加返回值return 0 在什么测试环境下测试通过 (what is the test environment) 已通过

[HUST CSE][修改]括号缺少匹配

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为什么提交这份PR (why to submit this PR) 源文件：Tongsuo-Project/Tongsuo/blob/master/providers/implementations/digests/sha3_prov.c 233行处的左括号没有匹配 你的解决方案是什么 (what is your solution) 在253行处添加与之匹配的右括号 在什么测试环境下测试通过 (what is the test environment) 已通过

download failed

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### What happened? Hello, I have been using ipatool for a while, and it was working fine for both login and IPA downloads. However, today I encountered an issue where...