First, read the English article below.

Tap the Chrome app icon, which resembles a red, yellow, green, and blue sphere. It's in the top-right corner of the screen. A drop-down menu will appear. This is in the drop-down menu. Doing so opens your iPhone's Chrome history page. You'll find it in the lower-left corner of the screen. It's in the middle of the page. Doing so will place a checkmark next to Autofill Data.  If Autofill Data already has a checkmark next to it, skip this step. You can uncheck every other item on the page, but the Autofill Data option must be checked. This option is at the bottom of the page. Doing so will clear your search box data for Google Chrome on your iPhone. 

Now, please write a short abstract for it in Chinese. Abstract:
打开 点击⋮。 点击历史记录。 点击清除浏览数据…。 点击自动填充数据。 点击清除浏览数据。 出现提示时，点击清除浏览数据。