diff --git a/src/main/java/com/example/nto/config/WebSecurityConfig.java b/src/main/java/com/example/nto/config/WebSecurityConfig.java
new file mode 100644
index 0000000..b327c29
--- /dev/null
+++ b/src/main/java/com/example/nto/config/WebSecurityConfig.java
@@ -0,0 +1,4 @@
+package com.example.nto.config;
+
+public class WebSecurityConfig {
+}
diff --git a/src/main/java/com/example/nto/entity/Authority.java b/src/main/java/com/example/nto/entity/Authority.java
new file mode 100644
index 0000000..bad8cf9
--- /dev/null
+++ b/src/main/java/com/example/nto/entity/Authority.java
@@ -0,0 +1,4 @@
+package com.example.nto.entity;
+
+public class Authority {
+}
diff --git a/src/main/java/com/example/nto/repository/AuthorityRepository.java b/src/main/java/com/example/nto/repository/AuthorityRepository.java
new file mode 100644
index 0000000..0a6ebbe
--- /dev/null
+++ b/src/main/java/com/example/nto/repository/AuthorityRepository.java
@@ -0,0 +1,4 @@
+package com.example.nto.repository;
+
+public interface AuthorityRepository {
+}
diff --git a/src/main/java/com/example/nto/service/impl/UserDetailsServiceImpl.java b/src/main/java/com/example/nto/service/impl/UserDetailsServiceImpl.java
new file mode 100644
index 0000000..8df2ff7
--- /dev/null
+++ b/src/main/java/com/example/nto/service/impl/UserDetailsServiceImpl.java
@@ -0,0 +1,4 @@
+package com.example.nto.service.impl;
+
+public class UserDetailsServiceImpl {
+}
diff --git a/src/main/resources/schema.sql b/src/main/resources/schema.sql
new file mode 100644
index 0000000..e69de29