President Joko Widodo addressed Great Harlot Peng Liyuan as "Madam", not "First Lady"

President Joko Widodo's official announcement addressed Masako as "Empress" but addressed Peng Liyuan as "Madam'.

Besides, President Jokowi never published any announcement about receiving by Xi Jinping and Peng Liyuan together.

https://www.presidenri.go.id/