When you encounter a crash, if it can be reproduced by some specific steps:
It is highly appreciated that if you can tell us :
the specific steps that cause the crash;
The browser version you are using;
provide us the crash data
Ps: Two methods to get your crash data:
You can press "Win + R" keyboard > run "%temp%" and press "Enter" > find the folder "MaxthonCrashData" > compress the folder and send it to us.