hack online games When i change the exact value in online game after a while it crashed

[isoomei]

Hey all i hope your good .
so i'm playing mobile legends online game i think all know it , and i used GameGuardian to Change The Attack Speed value from 109 to 800 ... it worked and the attack speed changed , and when i play a battle i can see that the attack speed is really increased but after 30 seconds  The game Crash and also the phone ,,,, i restart my phone every time ..... plz some one help :x

[isoomei]

someone heelp