发现个小问题 说返回的16进制是字符串 这些要加上引号才能判断 不然就会当16进制数来判断了 包括下面的if判断 
- 'DEADBEEF'
- '0xc0de0000'
- '0xc0de0001'
- '0xc0de0002'
- '0xc0de0003'
- '0xc0de0004'
- '0xc0de0005'
- '0xc0de0006'
- '0xc0de0007'
- '0xc0de0008'
- '0xc0de0009'
- '0xc0de000a'
- '0xc0de000b'
- '0xc0de000c'
- '0xc0de000d'
- '0xc0de000e'
- '0xc0de000f'
- '0xc0de0010'
- '0xc0de1000'
- '0xc0de1001'
- '0xc0de1002'
- '0xc0de1003'
- '0xc0de1004'
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