causes avalon to ms-for traverse the array, but after modifying the value of the traversal array, the array data will be repeated, as shown in figure:
the first assignment, the list data is correct, the second assignment has a problem, there are duplicate columns, and the correct column data is not displayed, it has been updated to the latest avalon.
the data assignment also uses the built-in list.clear () list.pushArray () method

the first time is correct

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