diff --git a/app/src/main/java/com/hako/friendlists/home/HomeActivity.kt b/app/src/main/java/com/hako/friendlists/view/HomeActivity.kt
similarity index 100%
rename from app/src/main/java/com/hako/friendlists/home/HomeActivity.kt
rename to app/src/main/java/com/hako/friendlists/view/HomeActivity.kt
diff --git a/base/src/main/java/com/hako/base/room/Database.kt b/base/src/main/java/com/hako/base/room/Database.kt
new file mode 100644
index 0000000..0358461
--- /dev/null
+++ b/base/src/main/java/com/hako/base/room/Database.kt
@@ -0,0 +1,17 @@
+package com.hako.base.room
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+import com.hako.base.room.dao.AlbumDao
+import com.hako.base.room.dao.PhotoDao
+import com.hako.base.room.dao.UserDao
+import com.hako.base.room.entities.AlbumEntity
+import com.hako.base.room.entities.PhotoEntity
+import com.hako.base.room.entities.UserEntity
+
+@Database(entities = [UserEntity::class, AlbumEntity::class, PhotoEntity::class], version = 1, exportSchema = false)
+abstract class Database : RoomDatabase() {
+    abstract fun userDao(): UserDao
+    abstract fun albumDao(): AlbumDao
+    abstract fun photoDao(): PhotoDao
+}
\ No newline at end of file
diff --git a/base/src/main/java/com/hako/base/room/dao/AlbumDao.kt b/base/src/main/java/com/hako/base/room/dao/AlbumDao.kt
new file mode 100644
index 0000000..9988b89
--- /dev/null
+++ b/base/src/main/java/com/hako/base/room/dao/AlbumDao.kt
@@ -0,0 +1,27 @@
+package com.hako.base.room.dao
+
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import com.hako.base.room.entities.AlbumEntity
+
+@Dao
+interface AlbumDao {
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun save(entity: AlbumEntity)
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun saveAll(entities: List<AlbumEntity>)
+
+    @get:Query("SELECT * FROM ${AlbumEntity.TABLE_NAME}")
+    val all: List<AlbumEntity>
+
+    @Query("SELECT COUNT(*) FROM ${AlbumEntity.TABLE_NAME}")
+    fun count(page: Int): Int
+
+    @Query("DELETE FROM ${AlbumEntity.TABLE_NAME}")
+    fun nukeDatabase()
+
+}
diff --git a/base/src/main/java/com/hako/base/room/dao/PhotoDao.kt b/base/src/main/java/com/hako/base/room/dao/PhotoDao.kt
new file mode 100644
index 0000000..2f696de
--- /dev/null
+++ b/base/src/main/java/com/hako/base/room/dao/PhotoDao.kt
@@ -0,0 +1,27 @@
+package com.hako.base.room.dao
+
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import com.hako.base.room.entities.PhotoEntity
+
+@Dao
+interface PhotoDao {
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun save(entity: PhotoEntity)
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun saveAll(entities: List<PhotoEntity>)
+
+    @get:Query("SELECT * FROM ${PhotoEntity.TABLE_NAME}")
+    val all: List<PhotoEntity>
+
+    @Query("SELECT COUNT(*) FROM ${PhotoEntity.TABLE_NAME}")
+    fun count(page: Int): Int
+
+    @Query("DELETE FROM ${PhotoEntity.TABLE_NAME}")
+    fun nukeDatabase()
+
+}
diff --git a/base/src/main/java/com/hako/base/room/dao/UserDao.kt b/base/src/main/java/com/hako/base/room/dao/UserDao.kt
new file mode 100644
index 0000000..3546001
--- /dev/null
+++ b/base/src/main/java/com/hako/base/room/dao/UserDao.kt
@@ -0,0 +1,27 @@
+package com.hako.base.room.dao
+
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import com.hako.base.room.entities.UserEntity
+
+@Dao
+interface UserDao {
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun save(entity: UserEntity)
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun saveAll(entities: List<UserEntity>)
+
+    @get:Query("SELECT * FROM ${UserEntity.TABLE_NAME}")
+    val all: List<UserEntity>
+
+    @Query("SELECT COUNT(*) FROM ${UserEntity.TABLE_NAME}")
+    fun count(page: Int): Int
+
+    @Query("DELETE FROM ${UserEntity.TABLE_NAME}")
+    fun nukeDatabase()
+
+}
diff --git a/base/src/main/java/com/hako/base/room/entities/Album.kt b/base/src/main/java/com/hako/base/room/entities/Album.kt
new file mode 100644
index 0000000..48d664a
--- /dev/null
+++ b/base/src/main/java/com/hako/base/room/entities/Album.kt
@@ -0,0 +1,17 @@
+package com.hako.base.room.entities
+
+import androidx.room.Entity
+import androidx.room.Index
+import androidx.room.PrimaryKey
+
+@Entity(tableName = AlbumEntity.TABLE_NAME, indices = [Index(value = ["id"], unique = true)])
+data class AlbumEntity(
+    @PrimaryKey
+    val id: Int,
+    val userId: Int,
+    val title: String
+) {
+    companion object {
+        const val TABLE_NAME = "albums"
+    }
+}
\ No newline at end of file
diff --git a/base/src/main/java/com/hako/base/room/entities/Photos.kt b/base/src/main/java/com/hako/base/room/entities/Photos.kt
new file mode 100644
index 0000000..01c840a
--- /dev/null
+++ b/base/src/main/java/com/hako/base/room/entities/Photos.kt
@@ -0,0 +1,19 @@
+package com.hako.base.room.entities
+
+import androidx.room.Entity
+import androidx.room.Index
+import androidx.room.PrimaryKey
+
+@Entity(tableName = PhotoEntity.TABLE_NAME, indices = [Index(value = ["id"], unique = true)])
+data class PhotoEntity(
+    @PrimaryKey
+    val id: Int,
+    val albumId: Int,
+    val title: String,
+    val photoUrl: String,
+    val thumbnailUrl: String
+) {
+    companion object {
+        const val TABLE_NAME = "photos"
+    }
+}
\ No newline at end of file
diff --git a/base/src/main/java/com/hako/base/room/entities/User.kt b/base/src/main/java/com/hako/base/room/entities/User.kt
new file mode 100644
index 0000000..7f847bc
--- /dev/null
+++ b/base/src/main/java/com/hako/base/room/entities/User.kt
@@ -0,0 +1,20 @@
+package com.hako.base.room.entities
+
+import androidx.room.Entity
+import androidx.room.Index
+import androidx.room.PrimaryKey
+
+@Entity(tableName = UserEntity.TABLE_NAME, indices = [Index(value = ["id"], unique = true)])
+data class UserEntity(
+    @PrimaryKey
+    val id: Int,
+    val realName: String,
+    val userName: String,
+    val email: String,
+    val phone: String,
+    val website: String
+) {
+    companion object {
+        const val TABLE_NAME = "users"
+    }
+}
\ No newline at end of file