What novel is Xiaoyun waking up to propose to Chen Qinghuan?

Xiao Yunxing proposed to Chen Qinghuan in The Clouds are Deep and Shallow. According to the day when the book disclosed the public information about rocket launch, Chen Qinghuan sent a short message to Xiao Yunxing: In the morning, I turned over the almanac. Today, the eagle should strike the sky, the sky holds the bright moon, and Wan Li soars. She came with hope. On their wedding day, Xiao Yunxing sent a short message to Chen Qinghuan. Today, this is the right city with flowers in full bloom, and the spring breeze is ten miles. The date of meeting is appropriate. Suitable for weddings, wedding banquets, endless lovesickness, empathy and deep affection.