diff --git a/app/src/main/java/com/hippo/ehviewer/client/data/GalleryApiInfo.java b/app/src/main/java/com/hippo/ehviewer/client/data/GalleryApiInfo.kt
similarity index 100%
rename from app/src/main/java/com/hippo/ehviewer/client/data/GalleryApiInfo.java
rename to app/src/main/java/com/hippo/ehviewer/client/data/GalleryApiInfo.kt
diff --git a/app/src/main/java/com/hippo/ehviewer/client/data/GalleryComment.java b/app/src/main/java/com/hippo/ehviewer/client/data/GalleryComment.kt
similarity index 100%
rename from app/src/main/java/com/hippo/ehviewer/client/data/GalleryComment.java
rename to app/src/main/java/com/hippo/ehviewer/client/data/GalleryComment.kt
diff --git a/app/src/main/java/com/hippo/ehviewer/client/data/GalleryCommentList.java b/app/src/main/java/com/hippo/ehviewer/client/data/GalleryCommentList.kt
similarity index 100%
rename from app/src/main/java/com/hippo/ehviewer/client/data/GalleryCommentList.java
rename to app/src/main/java/com/hippo/ehviewer/client/data/GalleryCommentList.kt
diff --git a/app/src/main/java/com/hippo/ehviewer/client/data/GalleryPreview.java b/app/src/main/java/com/hippo/ehviewer/client/data/GalleryPreview.kt
similarity index 100%
rename from app/src/main/java/com/hippo/ehviewer/client/data/GalleryPreview.java
rename to app/src/main/java/com/hippo/ehviewer/client/data/GalleryPreview.kt
diff --git a/app/src/main/java/com/hippo/ehviewer/client/data/GalleryTagGroup.java b/app/src/main/java/com/hippo/ehviewer/client/data/GalleryTagGroup.kt
similarity index 100%
rename from app/src/main/java/com/hippo/ehviewer/client/data/GalleryTagGroup.java
rename to app/src/main/java/com/hippo/ehviewer/client/data/GalleryTagGroup.kt
diff --git a/app/src/main/java/com/hippo/ehviewer/client/data/LargePreviewSet.java b/app/src/main/java/com/hippo/ehviewer/client/data/LargePreviewSet.kt
similarity index 100%
rename from app/src/main/java/com/hippo/ehviewer/client/data/LargePreviewSet.java
rename to app/src/main/java/com/hippo/ehviewer/client/data/LargePreviewSet.kt
diff --git a/app/src/main/java/com/hippo/ehviewer/client/data/NormalPreviewSet.java b/app/src/main/java/com/hippo/ehviewer/client/data/NormalPreviewSet.kt
similarity index 100%
rename from app/src/main/java/com/hippo/ehviewer/client/data/NormalPreviewSet.java
rename to app/src/main/java/com/hippo/ehviewer/client/data/NormalPreviewSet.kt