请帮我翻译: 编辑短信时下面的汉字没有底色提示。

when i input word by pinyin, i found there wasn't any background color to remind the chinese characters, leading to users' confusion of chosing right word

Pinyin input Chinese characters will find the following tips no background, leading to the choice of users do not know what a word.

Edits when the short note the following Chinese character does not have the bottom color prompt.