设置聊天头像（UI3.0）

EaseUI easeUI = EaseUI.getInstance();  
easeUI.setUserProfileProvider(new EaseUI.EaseUserProfileProvider() {
 @Override public EaseUser getUser(String username) {
 DLog.e("=========","-----"+username); 
return getEaseUser(username); 
} });
getUser方法不会调用啊