我(wo)在(zai)(zai)6月(yue)11日在(zai)(zai)16：:47在(zai)(zai)國(guo)美(mei)網上在(zai)(zai)線商(shang)城(cheng)買了3929元(yuan)的(de)單(dan)車和跑步(bu)機，在(zai)(zai)填寫(xie)完(wan)訂(ding)(ding)(ding)(ding)單(dan)之后(hou)(hou)付(fu)款，付(fu)完(wan)款之后(hou)(hou)，國(guo)美(mei)自(zi)動(dong)取消訂(ding)(ding)(ding)(ding)單(dan)。付(fu)款是(shi)(shi)的(de)訂(ding)(ding)(ding)(ding)單(dan)號(hao)(hao)是(shi)(shi)3858289726，聯眾優(you)勢的(de)第三方(fang)交易平(ping)臺流(liu)(liu)水(shui)號(hao)(hao)是(shi)(shi):130611642576092，我(wo)的(de)招商(shang)銀行流(liu)(liu)水(shui)號(hao)(hao)是(shi)(shi)4300163000796551。經和國(guo)美(mei)交涉之后(hou)(hou)說(shuo)沒有訂(ding)(ding)(ding)(ding)單(dan)號(hao)(hao)不予受理，國(guo)美(mei)商(shang)城(cheng)都(dou)自(zi)動(dong)取消訂(ding)(ding)(ding)(ding)單(dan)之后(hou)(hou)肯定是(shi)(shi)沒有訂(ding)(ding)(ding)(ding)單(dan)號(hao)(hao)了，而(er)聯眾優(you)勢說(shuo)款已經給了國(guo)美(mei)，而(er)且訂(ding)(ding)(ding)(ding)單(dan)號(hao)(hao)就(jiu)是(shi)(shi)3858289726。我(wo)要怎(zen)么維護自(zi)己(ji)的(de)消費權益，他們(men)個個都(dou)在(zai)(zai)踢皮球(qiu)，在(zai)(zai)推卸責任。