diff --git a/.env b/.env
new file mode 100644
index 0000000..ff8adc7
--- /dev/null
+++ b/.env
@@ -0,0 +1,4 @@
+DB_URL=jdbc:mysql://localhost:3306/pt_database
+DB_USER=root
+DB_PASSWORD=123456
+DB_DRIVER=com.mysql.cj.jdbc.Driver
diff --git a/src/main/resources/META-INF/persistence.xml b/src/main/resources/META-INF/persistence.xml
new file mode 100644
index 0000000..3d68dc9
--- /dev/null
+++ b/src/main/resources/META-INF/persistence.xml
@@ -0,0 +1,34 @@
+<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
+             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+             xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
+                                 http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd"
+             version="2.2">
+
+    <persistence-unit name="myPersistenceUnit">
+        <!-- 指定 JPA 提供者 -->
+        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+
+        <!-- 注册实体类 -->
+        <class>object.Seed</class>
+        <class>object.User</class>
+        <class>object.UserPT</class>
+        <class>object.Notice</class>
+        <class>object.BegInfo</class>
+        <class>object.Post</class>
+        <class>object.Profile</class>
+
+        <!-- 数据库连接配置 -->
+        <properties>
+            <property name="javax.persistence.jdbc.url" value="${DB_URL}"/>
+            <property name="javax.persistence.jdbc.user" value="${DB_USER}"/>
+            <property name="javax.persistence.jdbc.password" value="${DB_PASSWORD}"/>
+            <property name="javax.persistence.jdbc.driver" value="${DB_DRIVER}"/>
+
+            <!-- Hibernate 配置 -->
+            <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
+            <property name="hibernate.hbm2ddl.auto" value="update"/>
+            <property name="hibernate.show_sql" value="true"/>
+        </properties>
+    </persistence-unit>
+
+</persistence>