1. Temporarily set Chinese
Temporary setting: After setting, it is only valid for this use, and the default language will be restored after restarting Jmeter.
Select Options—>Choose Language—>Select other languages (for example: Chinese (Simplified) Simplified Chinese) and the setting is successful. Restarting Jmeter will restore the English language. 
After clicking, the effect of setting is as shown in the figure below
2. Permanent Chinese takes effect
Permanent setting: After setting, the displayed language is the same every time you open it.
1. Go to the bin directory of Jmeter
2. Find the jmeter.properties document and open it in Notepad
3. Find language
4. Find the line where language=en , as shown in the figure below, change en to: zh_CN
5. And remove the # in front, save and exit
6. Restart jmeter, the language setting is successful
7. Cancel the permanent localization: just comment it out, as shown in the figure below
