Watch the variables being used in a function. If you notice a function using an out-of-scope variable more than once, store it in a local variable and use that instead.
The goal of this tool, built on the power of instant messaging, is to watch for performance and function failures and report them to the appropriate support team.
该工具构建在即时消息之上，它的目的是监控性能和功能故障，并将它们报告给相应的支持团队。
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This Watch camera have a special function, you can use it as a PC camera on your computer.