Pre Merge pull request !34 from WangXuewen/master

src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/response/cmd/PresetQueryResponseMessageHandler.java

@@ -81,11 +81,9 @@ public class PresetQueryResponseMessageHandler extends SIPRequestProcessorParent
                 }
                 return;
             }
-            Element sumNumElement = rootElement.element("SumNum");
-            int sumNum = Integer.parseInt(sumNumElement.getText());
-            int num = Integer.parseInt(presetListNumElement.attributeValue("Num"));
+            int sumNum = Integer.parseInt(presetListNumElement.attributeValue("Num"));
             List<Preset> presetQuerySipReqList = new ArrayList<>();
-            if (num > 0) {
+            if (sumNum > 0) {
                 for (Iterator<Element> presetIterator = presetListNumElement.elementIterator(); presetIterator.hasNext(); ) {
                     Element itemListElement = presetIterator.next();
                     Preset presetQuerySipReq = new Preset();