There's been a change of plan.

计划作了变动。

《牛津词典》

They proposed a change of plan.

他们提议更改计划。

youdao

Circumstances have compelled a change of plan.

因情况所迫，计划已经改变。

youdao

"Our plan does not change recognition of Pakistan as a sovereign government,".

VOA: standard.2009.03.29

Repeated failure means nothing and certainly cannot be grounds for a change of plan.

FORBES: Is David Cameron Walking Back His Opposition to the War on Drugs?

There are reasons why Parliament has evolved this way but the urgent need to take action on climate change requires a change of plan.

BBC: NEWS | Science/Nature | EU 'must walk its climate talk'

The loss of the maul from rugby due to experimental law changes is something that has undoubtedly meant a change of plan for us.

BBC: Glenn Delaney column