解决多次赋值问题#35

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xingzheone wants to merge 5 commits intoiview:masterfrom

xingzheone:master

Commits on Mar 31, 2018

不能多次赋值的bug
xingzheone
committed

Commits on Apr 1, 2018

解决了多次赋值的问题.
xingzheone
committed

Commits on Mar 1, 2019