Warning: Each child in a list should have a unique “key“ prop.

Warning: Each child in a list should have a unique “key” prop.

Warning ： Each child on the list should have a unique “ The key ” attribute .

reason : This is because there is no one added during the component traversal key To distinguish each component , because dom need deff Contrast

Loop through the generated components , take key Set to index that will do
Add to the outermost layer of the loop