i get you是我明白你的意思
如：I get what you mean[我懂你的意思.]
i got you=我有你 + 东西/ 整到你的意思
如：Don't worry,I got you on my back[不要担心,我挺你.]
Haha,I got you(如果是用说的念 got'cha)[哈哈,我整到你了.]