fix gcc12_error #52441
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fix gcc12_error #52441
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Pcard-67010
修复可能使用悬空指针指向未命名的临时对象的错误，当指针指向的内存空间已被释放或不再有效的时候，gcc12就会报这个错误，我们可以使用static 延长局部变量的生命周期，直到程序运行结束以后才释放，可以避免此错误。