diff --git a/pom.xml b/pom.xml
index 3da7088..1acfc85 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <groupId>com.loafle.overflow</groupId>
     <artifactId>commons-java</artifactId>
     <packaging>jar</packaging>
-    <version>1.0.101-SNAPSHOT</version>
+    <version>1.0.102-SNAPSHOT</version>
     <name>com.loafle.overflow.commons-java</name>
 
     <properties>
diff --git a/src/main/java/com/loafle/overflow/model/meta/MetaCollectionItem.java b/src/main/java/com/loafle/overflow/model/meta/MetaCollectionItem.java
index 7deee96..44366d4 100644
--- a/src/main/java/com/loafle/overflow/model/meta/MetaCollectionItem.java
+++ b/src/main/java/com/loafle/overflow/model/meta/MetaCollectionItem.java
@@ -19,11 +19,11 @@ public class MetaCollectionItem {
   @Column(name = "ITEM", nullable = true, length = 100)
   private String item;
 
-  @Column(name = "ITEM", nullable = true, length = 100)
+  @Column(name = "ITEM_CLASS", nullable = true, length = 100)
   private String itemClass;
 
   @ManyToOne
-  @JoinColumn(name = "META_ITEM_UNIT_ID", nullable = false)
+  @JoinColumn(name = "META_ITEM_UNIT_ID", nullable = true)
   private MetaItemUnit metaItemUnit;
 
   @Temporal(TemporalType.TIMESTAMP)
diff --git a/src/main/java/com/loafle/overflow/model/meta/MetaDisplayItemMapping.java b/src/main/java/com/loafle/overflow/model/meta/MetaDisplayItemMapping.java
index f26978d..7ea3498 100644
--- a/src/main/java/com/loafle/overflow/model/meta/MetaDisplayItemMapping.java
+++ b/src/main/java/com/loafle/overflow/model/meta/MetaDisplayItemMapping.java
@@ -41,6 +41,8 @@ public class MetaDisplayItemMapping {
   @Column(name = "CREATE_DATE", nullable = false, columnDefinition = "TIMESTAMP DEFAULT CURRENT_TIMESTAMP", insertable = false, updatable = false)
   private Date createDate;
 
+  @Column(name = "PRIORITY", nullable = true)
+  private int priority;
 
   public Long getId() {
     return id;
@@ -97,4 +99,12 @@ public class MetaDisplayItemMapping {
   public void setCreateDate(Date createDate) {
     this.createDate = createDate;
   }
+
+  public Integer getPriority() {
+    return this.priority;
+  }
+
+  public void setPriority(Integer priority) {
+    this.priority = priority;
+  }
 }