AirTest input of Chinese characters can not be executed when

Recently the company carried out using AirTest UI Automation construction, it can not be found during execution input Chinese characters, to the time you need to enter the browser will withdraw;

test case execution time of a single input Chinese characters no problem, so there will be integration testing time the problem;
Haha actually very simple to solve only need to enter content plus u can
send_keys ( "text to enter the" u)