Perfect solution to the maddening problem of slow code prompts (content Assist) in zend studio 7_PHP tutorial

Recently, I encountered a problem using zend studio7.2. When opening a PHP page with a lot of content (>500 lines), the editing and saving speed is extremely slow.
Based on the information found on Google on the Internet, the content Assist (code Assist for 7.1 and previous versions) was changed and the delay time was directly set to 0.
Problem solved. As for the insignificant effect below 200 mentioned in many materials, my personal guess is that the machine configuration and page code amount are different.
My work machine configuration