X8 take off issue

Hai all,

We are x8 UAV , using steadi drone maverick. The machine is stable when it’s gets to air … the issue is with take off , it’s getting angled around 30*degree pitch down while take off . . While looking at log .The pitch rate integral [30,30] comes down to -30 from take off till the machine is landed . Please provide some solution to solve the issue.