Morita, A. Koiso, H. Ohmi, K. Ohnishi, Y. Sugimoto, H. Zhou, D. JACoW Publishing Geneva, Switzerland 978-3-95450-216-5 10.18429/JACoW-eeFACT2018-TUOAB04 English 63-65 TUOAB04 coupling luminosity MMI optics operation Contribution to a conference proceedings 2019 2019-04 https://doi.org/10.18429/JACoW-eeFACT2018-TUOAB04 http://jacow.org/eefact2018/papers/tuoab04.pdf The phase-2 commissioning of the SuperKEKB accelerator with the interaction point(IP) has been performed from March 19 to July 17. In the collision operation during this commissioning, the vertical beta function at the IP was squeezed down to 3mm. In order to achieve such low beta collision operation, many optics corrections were performed. We present the result of those optics measurement and correction.