fix bug

mallinkBApi/src/main/java/com/iformall/controller/WxCouponOrderController.java

@@ -277,7 +277,7 @@ public class WxCouponOrderController extends BaseController {
         if (_decodeCouponOrderId.contains(":")) {
         	String[] decodeids = _decodeCouponOrderId.split(":");
         	couponOrderIdStr = decodeids[0];
-        	String expiredtimeStr = decodeids[0];
+        	String expiredtimeStr = decodeids[1];
         	Date expiredtime = DateUtils.string2Date(expiredtimeStr).getTime();
         	if (expiredtime.before(new Date())) {
         		return new ResultData(ErrorCode.SYS_PARAMETER_NOT_NULL.getCode(),"码已失效，请重新刷新");