在RoR环境中调试pry-rails和unicorn worker。
偶尔我遇到绑定问题，并且在键入exit或者任何东西时无法退出，它会以非常随机的字符顺序响应。
（我怀疑可能是多个独角兽工人随机拾取了打字的字符，造成了这种影响。）
这是怎么发生的？以及如何解决它？ 我输入了几次“退出”，参见1）回声文本乱序; 2）响应中使用的实际命令在命令行中也是不同的。
[1] pry(#<ReportsController>)> xtei>)> exit
NameError: undefined local variable or method `xtei' for #<ReportsController:0x007f9f71631470>
from (pry):1:in `table_filter_dates_store'
[9] pry(#<#<Class:0x007f9f72839f28>>)> xtei
NameError: undefined local variable or method `xtei' for #<#<Class:0x007f9f72839f28>:0x007f9f7283f518>
from (pry):14:in `_app_views_base__data_html_erb__1997450648765874917_70161408871120'
[10] pry(#<#<Class:0x007f9f72839f28>>)> eiit
NameError: undefined local variable or method `ei' for #<#<Class:0x007f9f72839f28>:0x007f9f7283f518>
from (pry):15:in `_app_views_base__data_html_erb__1997450648765874917_70161408871120'
[11] pry(#<#<Class:0x007f9f72839f28>>)> eiit
NameError: undefined local variable or method `ei' for #<#<Class:0x007f9f72839f28>:0x007f9f7283f518>
from (pry):16:in `_app_views_base__data_html_erb__1997450648765874917_70161408871120'
[2] pry(#<ReportsController>)> xtxtxtei exit
NameError: undefined local variable or method `xtxtxtei' for #<ReportsController:0x007f9f71631470>
from (pry):2:in `table_filter_dates_store'
[12] pry(#<#<Class:0x007f9f72839f28>>)> xtei
NameError: undefined local variable or method `xtei' for #<#<Class:0x007f9f72839f28>:0x007f9f7283f518>
from (pry):17:in `_app_views_base__data_html_erb__1997450648765874917_70161408871120'
[3] pry(#<ReportsController>)> xtx8>>)> exit
NameError: undefined local variable or method `xtx' for #<ReportsController:0x007f9f71631470>
from (pry):3:in `table_filter_dates_store'
[13] pry(#<#<Class:0x007f9f72839f28>>)> eitei
NameError: undefined local variable or method `eitei' for #<#<Class:0x007f9f72839f28>:0x007f9f7283f518>
from (pry):18:in `_app_views_base__data_html_erb__1997450648765874917_70161408871120'