The response data of jmeter's production tree has garbled characters in Chinese. The solution is as follows:
step:
1. Open jmeter \ bin \ jmeter.properties and Ctrl + F to find # sampleresult.default.encoding = ISO-8859-1
2. Remove # and change to sampleresult.default.encoding = utf-8 After saving, close jmeter
3. After reopening jmeter, it won't be garbled after running once