if (wd != dc.iterS && dc.range.current.mDay > 1){
                                                            while (dc.range.current.wDay != dc.iterS && $A.getEl(dc.baseId + (dc.range.current.mDay - 1))){
                                                                dc.range.current.wDay = (dc.range.current.wDay - 1) < 0 ? 6 : dc.range.current.wDay - 1;
                                                                dc.range.current.mDay--;
                                                            }