Who sent the brocade book to A Le in the clouds?

Hello, who sent the brocade book to A Le in the cloud? It has a happy ending. The following is a detailed story about the ending.

Ning and the days together are full of love and warmth. They closely linked each other's hearts and planted love deeply in their hearts. One day, Ning received a brocade book from Yun, which read: "Ning, your lover, I wish you happiness forever!" " Ning Wangshi was very moved. He knew that the book was a gift from A Le and expressed their love. Ning He finally got married happily and became a loving couple. They shared each other's happiness and spent many wonderful days together. Ning He's love story begins with Jin Shu in the Cloud and ends with a happy ending.