http://www.bug315.com/article/516.htm
When coding with IDEA, repeated codes will be underlined with grey wavy lines.
There are two ways to cancel the IDEA repeated code prompt.
Method 1: Cancel through the settings page
Click "File" > "Setting" to open the settings page, then click "Editor" > "Inspections" and select "General -> Duplicated Code" to uncheck the checkbox. as follows:
Method 2: Select "Disable inspection" directly on the page
Hover over the repeated code for a moment and a light bulb icon will appear. Then click the drop-down box and select "View duplicates like this" -> "Disable inspection" to disable code duplication. As shown below: