Modify code with refactors

[francestang1117]

Hi, I refactored some code. Hope you could check it. Thank you.

[CLAassistant]

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[linux-china]

@francestang1117 是不是 RSocketEncodingFacade.getInstance();更好一些？

 - protected RSocketEncodingFacade encodingFacade = RSocketEncodingFacade.getInstance();
 + protected RSocketEncodingFacade encodingFacade = RSocketEncodingFacade.getInstance(new RSocketEncodingFacadeImpl());

[francestang1117]

Hi @linux-china, 这里我修改主要是觉得有一个Cyclically-dependent Modularization的smell.

[linux-china]

Hi @linux-china, 这里我修改主要是觉得有一个Cyclically-dependent Modularization的smell.

好的，我看一下这个问题，看能否更好地修复一下。