diff --git a/pom.xml b/pom.xml
index 7247944..446ab44 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <groupId>com.loafle.overflow</groupId>
     <artifactId>commons-java</artifactId>
     <packaging>jar</packaging>
-    <version>1.0.111-SNAPSHOT</version>
+    <version>1.0.112-SNAPSHOT</version>
     <name>com.loafle.overflow.commons-java</name>
 
     <properties>
diff --git a/src/main/java/com/loafle/overflow/model/meta/MetaCrawler.java b/src/main/java/com/loafle/overflow/model/meta/MetaCrawler.java
index fcb36de..d8cba41 100644
--- a/src/main/java/com/loafle/overflow/model/meta/MetaCrawler.java
+++ b/src/main/java/com/loafle/overflow/model/meta/MetaCrawler.java
@@ -19,10 +19,6 @@ public class MetaCrawler {
   @Column(name = "NAME", nullable = true, length = 50)
   private String name;
 
-  @Basic
-  @Column(name = "IS_DEFAULT", nullable = false, columnDefinition = "Boolean default false")
-  private Boolean isDefault;
-
   @Temporal(TemporalType.TIMESTAMP)
   @Column(name = "CREATE_DATE", nullable = false, columnDefinition = "TIMESTAMP DEFAULT CURRENT_TIMESTAMP", insertable = false, updatable = false)
   private Date createDate;
@@ -51,14 +47,6 @@ public class MetaCrawler {
     this.name = name;
   }
 
-  public Boolean getDefault() {
-    return isDefault;
-  }
-
-  public void setDefault(Boolean aDefault) {
-    isDefault = aDefault;
-  }
-
   public Date getCreateDate() {
     return createDate;
   }
diff --git a/src/main/java/com/loafle/overflow/model/sensor/Sensor.java b/src/main/java/com/loafle/overflow/model/sensor/Sensor.java
index 0357f37..bdcdc8a 100644
--- a/src/main/java/com/loafle/overflow/model/sensor/Sensor.java
+++ b/src/main/java/com/loafle/overflow/model/sensor/Sensor.java
@@ -110,6 +110,14 @@ public class Sensor {
     this.name = name;
   }
 
+  public Integer getInterval() {
+    return interval;
+  }
+
+  public void setInterval(Integer interval) {
+    this.interval = interval;
+  }
+
   public Date getCreateDate() {
     return createDate;
   }