QT 子线程中QTreeView添加节点问题

BIAS0:= (C-MA(C,2))/MA(C,2)*100

BIAS1 := (C-MA(C,12))/MA(C,12)*100

BIAS2 := (C-MA(C,26))/MA(C,26)*100

BIAS3 := (C-MA(C,48))/MA(C,48)*100

HXL:=V/CAPITAL*100

D1:=INDEXC

D2:=MA(D1,56)

DR2:=D1/D2<0.94

E1:=(C-HHV(C,12))/HHV(C,12)*10

E2:=(C-REF(C,26))/REF(C,26)*10

先试试简单的，

button=new QPushButton

tree=new QTreeView

gridLayout=new QGridLayout

gridLayout->addWidget(button,0,0,1,1)

gridLayout->addWidget(tree,1,1,4,4)

这样是没问题的，使用grid时，布局没有错误？警告信息是什么？

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