diff --git a/.idea/misc.xml b/.idea/misc.xml
index 283b1e5..5489fee 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -24,7 +24,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/src/main/java/jackall/devrealm/App.kt b/app/src/main/java/jackall/devrealm/App.kt
index 84fc49b..f68d8bb 100644
--- a/app/src/main/java/jackall/devrealm/App.kt
+++ b/app/src/main/java/jackall/devrealm/App.kt
@@ -1,6 +1,8 @@
 package jackall.devrealm
 
 import android.app.Application
+import io.realm.Realm
+import jackall.devrealm.db.RealmConfig
 
 /**
  * Created by matsumoto_k on 2017/11/08.
@@ -14,5 +16,7 @@
     override fun onCreate() {
         super.onCreate()
         instance = this
+        Realm.init(this)
+        Realm.setDefaultConfiguration(RealmConfig().config)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/jackall/devrealm/db/RealmConfig.kt b/app/src/main/java/jackall/devrealm/db/RealmConfig.kt
new file mode 100644
index 0000000..8a54668
--- /dev/null
+++ b/app/src/main/java/jackall/devrealm/db/RealmConfig.kt
@@ -0,0 +1,16 @@
+package jackall.devrealm.db
+
+import io.realm.RealmConfiguration
+
+/**
+ * Created by matsumoto_k on 2017/11/08.
+ */
+class RealmConfig {
+    val config = RealmConfiguration.Builder()
+            .name("data.realm")
+            .schemaVersion(1)
+            .migration { realm, oldVersion, newVersion ->
+
+            }
+            .build()
+}
\ No newline at end of file