日志这种分配栈内存的方式，导致在cli模式下出现段错误，OOM错误

[teqian]

void slog_record(int level, const char *file, int line, const char *fmt, ...) { va_list args; char format[256] = {0}; char time_buf[64] = {0}; char log_buf[512] = {0}; ...... }