Index: ssts-basedata/src/main/java/com/forgon/disinfectsystem/entity/idcarddefinition/IDCardDefinition.java
===================================================================
diff -u -r12799 -r14852
--- ssts-basedata/src/main/java/com/forgon/disinfectsystem/entity/idcarddefinition/IDCardDefinition.java	(.../IDCardDefinition.java)	(revision 12799)
+++ ssts-basedata/src/main/java/com/forgon/disinfectsystem/entity/idcarddefinition/IDCardDefinition.java	(.../IDCardDefinition.java)	(revision 14852)
@@ -52,6 +52,8 @@
 	 * 标识牌定义的使用次数，等于关联的标识牌实例的使用次数之和
 	 */
 	private Long useAmount = 0L;
+	
+	private Long lastTousseInstanceId;
 
 	@Id
 	@GeneratedValue(strategy = GenerationType.AUTO)
@@ -95,6 +97,21 @@
 		this.useAmount = useAmount;
 	}
 
+	public Long getLastTousseInstanceId() {
+		return lastTousseInstanceId;
+	}
+
+	public void setLastTousseInstanceId(Long lastTousseInstanceId) {
+		this.lastTousseInstanceId = lastTousseInstanceId;
+	}
+	
+	public void safelySetLastTousseInstanceId(Long lastTousseInstanceId) {
+		if(this.lastTousseInstanceId == null){
+			this.lastTousseInstanceId = lastTousseInstanceId;
+		}else if(lastTousseInstanceId > this.lastTousseInstanceId){
+			this.lastTousseInstanceId = lastTousseInstanceId;
+		}
+	}
 	public Double getPrice() {
 		if (price == null) {
 			price = 0.0;
Index: ssts-basedata/src/main/java/com/forgon/disinfectsystem/entity/idcardinstance/IDCardInstance.java
===================================================================
diff -u -r12799 -r14852
--- ssts-basedata/src/main/java/com/forgon/disinfectsystem/entity/idcardinstance/IDCardInstance.java	(.../IDCardInstance.java)	(revision 12799)
+++ ssts-basedata/src/main/java/com/forgon/disinfectsystem/entity/idcardinstance/IDCardInstance.java	(.../IDCardInstance.java)	(revision 14852)
@@ -34,6 +34,8 @@
 	private Long useAmount = 0L;
 	
 	private Long recyclingErrorID;
+	
+	private Long lastTousseInstanceId;
 
 	@Transient
 	public List<TousseInstance> getTousseInstances(ObjectDao dao) {
@@ -82,7 +84,12 @@
 	}
 
 	public void setUseAmount(Long useAmount) {
-		this.useAmount = useAmount;
+		if(useAmount == null){
+			this.useAmount = 0L;
+		}else{
+			this.useAmount = useAmount;
+		}
+		
 	}
 	
 	public Long getRecyclingErrorID() {
@@ -93,6 +100,22 @@
 		this.recyclingErrorID = recyclingErrorID;
 	}
 
+	public Long getLastTousseInstanceId() {
+		return lastTousseInstanceId;
+	}
+
+	public void setLastTousseInstanceId(Long lastTousseInstanceId) {
+		this.lastTousseInstanceId = lastTousseInstanceId;
+	}
+	
+	public void safelySetLastTousseInstanceId(Long lastTousseInstanceId) {
+		if(this.lastTousseInstanceId == null){
+			this.lastTousseInstanceId = lastTousseInstanceId;
+		}else if(lastTousseInstanceId > this.lastTousseInstanceId){
+			this.lastTousseInstanceId = lastTousseInstanceId;
+		}
+	}
+
 	// 校验关联信息是否正确
 	@Transient
 	public boolean isAssociatedInfoValid() {