diff --git a/app/src/main/kotlin/io/sakurasou/model/dao/image/ImageDaoImpl.kt b/app/src/main/kotlin/io/sakurasou/model/dao/image/ImageDaoImpl.kt
index a62cb820..d8b394df 100644
--- a/app/src/main/kotlin/io/sakurasou/model/dao/image/ImageDaoImpl.kt
+++ b/app/src/main/kotlin/io/sakurasou/model/dao/image/ImageDaoImpl.kt
@@ -41,6 +41,7 @@ class ImageDaoImpl : ImageDao {
             it[height] = insertDTO.height
             it[md5] = insertDTO.md5
             it[sha1] = insertDTO.sha1
+            it[isPrivate] = insertDTO.isPrivate
             it[createTime] = insertDTO.createTime
         }
         return entityID.value
@@ -63,6 +64,7 @@ class ImageDaoImpl : ImageDao {
         it[Images.height],
         it[Images.md5],
         it[Images.sha1],
+        it[Images.isPrivate],
         it[Images.createTime]
     )
 }
\ No newline at end of file
diff --git a/app/src/main/kotlin/io/sakurasou/model/dao/image/Images.kt b/app/src/main/kotlin/io/sakurasou/model/dao/image/Images.kt
index d43e8592..d96d09df 100644
--- a/app/src/main/kotlin/io/sakurasou/model/dao/image/Images.kt
+++ b/app/src/main/kotlin/io/sakurasou/model/dao/image/Images.kt
@@ -27,6 +27,7 @@ object Images : LongIdTable() {
     val height = integer("height").check { it greater 0 }
     val md5 = char("md5", 32)
     val sha1 = char("sha1", 40)
+    val isPrivate = bool("is_private")
     val createTime = datetime("create_time")
 
     init {
diff --git a/app/src/main/kotlin/io/sakurasou/model/dao/user/UserDaoImpl.kt b/app/src/main/kotlin/io/sakurasou/model/dao/user/UserDaoImpl.kt
index da654e8d..d779ffeb 100644
--- a/app/src/main/kotlin/io/sakurasou/model/dao/user/UserDaoImpl.kt
+++ b/app/src/main/kotlin/io/sakurasou/model/dao/user/UserDaoImpl.kt
@@ -20,6 +20,7 @@ class UserDaoImpl : UserDao {
                     row[Users.name],
                     row[Users.password],
                     row[Users.email],
+                    row[Users.isDefaultImagePrivate],
                     row[Users.createTime],
                     row[Users.updateTime]
                 )
@@ -36,6 +37,7 @@ class UserDaoImpl : UserDao {
                     row[Users.name],
                     row[Users.password],
                     row[Users.email],
+                    row[Users.isDefaultImagePrivate],
                     row[Users.createTime],
                     row[Users.updateTime]
                 )
@@ -48,6 +50,7 @@ class UserDaoImpl : UserDao {
             it[name] = user.username
             it[password] = user.password
             it[email] = user.email
+            it[isDefaultImagePrivate] = user.isDefaultImagePrivate
             it[createTime] = user.createTime
             it[updateTime] = user.updateTime
         }
diff --git a/app/src/main/kotlin/io/sakurasou/model/dao/user/Users.kt b/app/src/main/kotlin/io/sakurasou/model/dao/user/Users.kt
index bea8f650..f870f391 100644
--- a/app/src/main/kotlin/io/sakurasou/model/dao/user/Users.kt
+++ b/app/src/main/kotlin/io/sakurasou/model/dao/user/Users.kt
@@ -13,6 +13,7 @@ object Users : LongIdTable("users") {
     val name = varchar("name", 50).uniqueIndex()
     val password = char("password", 60)
     val email = varchar("email", 255).nullable()
+    val isDefaultImagePrivate = bool("is_default_image_private")
     val createTime = datetime("create_time")
     val updateTime = datetime("update_time")
 
diff --git a/app/src/main/kotlin/io/sakurasou/model/dto/ImageDTO.kt b/app/src/main/kotlin/io/sakurasou/model/dto/ImageDTO.kt
index f0e79bc7..b54ffb64 100644
--- a/app/src/main/kotlin/io/sakurasou/model/dto/ImageDTO.kt
+++ b/app/src/main/kotlin/io/sakurasou/model/dto/ImageDTO.kt
@@ -22,5 +22,6 @@ data class ImageInsertDTO(
     val height: Int,
     val md5: String,
     val sha1: String,
+    val isPrivate: Boolean,
     val createTime: LocalDateTime
 )
\ No newline at end of file
diff --git a/app/src/main/kotlin/io/sakurasou/model/dto/UserDTO.kt b/app/src/main/kotlin/io/sakurasou/model/dto/UserDTO.kt
index 22de2fd4..116b6359 100644
--- a/app/src/main/kotlin/io/sakurasou/model/dto/UserDTO.kt
+++ b/app/src/main/kotlin/io/sakurasou/model/dto/UserDTO.kt
@@ -11,6 +11,7 @@ data class UserInsertDTO(
     val username: String,
     val password: String,
     val email: String?,
+    val isDefaultImagePrivate: Boolean,
     val createTime: LocalDateTime,
     val updateTime: LocalDateTime
 )
\ No newline at end of file
diff --git a/app/src/main/kotlin/io/sakurasou/model/entity/Image.kt b/app/src/main/kotlin/io/sakurasou/model/entity/Image.kt
index 963419f9..f3352625 100644
--- a/app/src/main/kotlin/io/sakurasou/model/entity/Image.kt
+++ b/app/src/main/kotlin/io/sakurasou/model/entity/Image.kt
@@ -25,5 +25,6 @@ data class Image(
     val height: Int,
     val md5: String,
     val sha1: String,
+    val isPrivate: Boolean,
     val createTime: LocalDateTime
 )
\ No newline at end of file
diff --git a/app/src/main/kotlin/io/sakurasou/model/entity/User.kt b/app/src/main/kotlin/io/sakurasou/model/entity/User.kt
index 63b5ce63..d6b56a6b 100644
--- a/app/src/main/kotlin/io/sakurasou/model/entity/User.kt
+++ b/app/src/main/kotlin/io/sakurasou/model/entity/User.kt
@@ -14,6 +14,7 @@ data class User(
     val name: String,
     val password: String,
     val email: String?,
+    val isDefaultImagePrivate: Boolean,
     val createTime: LocalDateTime,
     val updateTime: LocalDateTime
 )
\ No newline at end of file
diff --git a/app/src/main/kotlin/io/sakurasou/service/common/CommonServiceImpl.kt b/app/src/main/kotlin/io/sakurasou/service/common/CommonServiceImpl.kt
index c316a6ec..7ab84d42 100644
--- a/app/src/main/kotlin/io/sakurasou/service/common/CommonServiceImpl.kt
+++ b/app/src/main/kotlin/io/sakurasou/service/common/CommonServiceImpl.kt
@@ -38,6 +38,7 @@ class CommonServiceImpl(
             username = siteInitRequest.username,
             password = encodePassword,
             email = siteInitRequest.email,
+            isDefaultImagePrivate = true,
             createTime = now,
             updateTime = now
         )
diff --git a/app/src/main/kotlin/io/sakurasou/service/user/UserServiceImpl.kt b/app/src/main/kotlin/io/sakurasou/service/user/UserServiceImpl.kt
index a8d4b4de..b0f30bd5 100644
--- a/app/src/main/kotlin/io/sakurasou/service/user/UserServiceImpl.kt
+++ b/app/src/main/kotlin/io/sakurasou/service/user/UserServiceImpl.kt
@@ -36,6 +36,7 @@ class UserServiceImpl(
             username = userInsertRequest.username,
             password = encodePassword,
             email = userInsertRequest.email,
+            isDefaultImagePrivate = true,
             createTime = now,
             updateTime = now
         )
diff --git a/app/src/test/kotlin/io/sakurasou/service/auth/AuthServiceTest.kt b/app/src/test/kotlin/io/sakurasou/service/auth/AuthServiceTest.kt
index 36063199..d39e6267 100644
--- a/app/src/test/kotlin/io/sakurasou/service/auth/AuthServiceTest.kt
+++ b/app/src/test/kotlin/io/sakurasou/service/auth/AuthServiceTest.kt
@@ -70,6 +70,7 @@ class AuthServiceTest {
             name = username,
             password = hashedPassword,
             email = email,
+            isDefaultImagePrivate = true,
             createTime = now,
             updateTime = now
         )
@@ -98,6 +99,7 @@ class AuthServiceTest {
             name = username,
             password = hashedPassword,
             email = email,
+            isDefaultImagePrivate = true,
             createTime = now,
             updateTime = now
         )
diff --git a/app/src/test/kotlin/io/sakurasou/service/common/CommonServiceTest.kt b/app/src/test/kotlin/io/sakurasou/service/common/CommonServiceTest.kt
index 8c33229a..c1351b62 100644
--- a/app/src/test/kotlin/io/sakurasou/service/common/CommonServiceTest.kt
+++ b/app/src/test/kotlin/io/sakurasou/service/common/CommonServiceTest.kt
@@ -84,6 +84,7 @@ class CommonServiceTest {
             username = "testUser",
             password = encodedPassword,
             email = "test@example.com",
+            isDefaultImagePrivate = true,
             createTime = now,
             updateTime = now
         )
diff --git a/app/src/test/kotlin/io/sakurasou/service/user/UserServiceTest.kt b/app/src/test/kotlin/io/sakurasou/service/user/UserServiceTest.kt
index 1f2036b9..883a14d4 100644
--- a/app/src/test/kotlin/io/sakurasou/service/user/UserServiceTest.kt
+++ b/app/src/test/kotlin/io/sakurasou/service/user/UserServiceTest.kt
@@ -87,6 +87,7 @@ class UserServiceTest {
             username = "testUser",
             password = encodedPassword,
             email = "test@example.com",
+            isDefaultImagePrivate = true,
             createTime = now,
             updateTime = now
         )