Arduino烧录esp01s 编译没有问题 上传的时候超时报错

第一次使用esp01s模块 按照教程尝试烧录一个示例代码，报错后没在网上找到解决办法(>﹏<)
报错内容是这样的(･_･;：

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：
Executable segment sizes:

ICACHE : 32768 - flash instruction cache

IROM : 236676 - code in flash (default or ICACHE_FLASH_ATTR)

IRAM : 26729 / 32768 - code in IRAM (IRAM_ATTR, ISRs..)

DATA : 1496 ) - initialized variables (global, static) in RAM/HEAP

RODATA : 1200 ) / 81920 - constants (global, static) in RAM/HEAP

BSS : 25608 ) - zeroed variables (global, static) in RAM/HEAP

项目使用 266101 字节（27%）的程序存储空间。最大值为 958448 字节。
个全局变量使用 28304 个字节（34%）的动态内存，剩下 53616 个字节用于局部变量。最大值为 81920 字节。
esptool.py v3.0
Serial port COM3
Connecting___Traceback (most recent call last):
File "C:\Users\Administrator\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2/tools/upload.py", line 66, in
esptool.main(cmdline)
File "C:/Users/Administrator/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/3.0.2/tools/esptool\esptool.py", line 3552, in main
esp.connect(args.before, args.connect_attempts)
File "C:/Users/Administrator/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/3.0.2/tools/esptool\esptool.py", line 529, in connect
raise FatalError('Failed to connect to %s: %s' % (self.CHIP_NAME, last_error))
esptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header

上传失败: 上传错误：exit status 1

用的是Arduino 2.0.1 win7 64位系统
esp01s和一个usb底座

求解答(o^^o)

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