diff --git a/app/src/main/java/com/hippo/database/MSQLiteBuilder.java b/app/src/main/java/com/hippo/database/MSQLiteBuilder.kt
similarity index 100%
rename from app/src/main/java/com/hippo/database/MSQLiteBuilder.java
rename to app/src/main/java/com/hippo/database/MSQLiteBuilder.kt
diff --git a/app/src/main/java/com/hippo/database/MSQLiteOpenHelper.java b/app/src/main/java/com/hippo/database/MSQLiteOpenHelper.kt
similarity index 100%
rename from app/src/main/java/com/hippo/database/MSQLiteOpenHelper.java
rename to app/src/main/java/com/hippo/database/MSQLiteOpenHelper.kt