How to set echars diagrams not to display node text information after zooming

problem description

to make an echars diagram, you need to zoom in without displaying the text information of the node

the environmental background of the problems and what methods you have tried

currently you can zoom, but you can"t hide the text after zooming

related codes

/ / Please paste the code text below (do not replace the code with pictures)

what result do you expect? What is the error message actually seen?

the desired effect is as follows (check the effect)
before zooming
clipboard.png

clipboard.png

Nov.25,2021

set the gods

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