换行符未出现在Firestore控制台中，并且文本显示为单行，但已保存. 只需在下面的链接中应用标记的答案即可. Vue.js显示空白(换行符)

The line breaks don't appear in Firestore console and the text is shown as a single line, but they are saved. Just apply the marked answer in the link below. Vue.js show white space (line breaks)