diff --git a/src/main/java/top/fjy8018/jpadatasource/entity/backup/Order.java b/src/main/java/top/fjy8018/jpadatasource/entity/backup/Order.java
new file mode 100644
index 0000000..809b594
--- /dev/null
+++ b/src/main/java/top/fjy8018/jpadatasource/entity/backup/Order.java
@@ -0,0 +1,22 @@
+package top.fjy8018.jpadatasource.entity.backup;
+
+import lombok.Data;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+/**
+ * @author F嘉阳
+ * @date 2019-03-30 9:36
+ */
+@Data
+@Entity(name = "tb_order")
+public class Order {
+
+    @Id
+    private Integer id;
+
+    private String orderName;
+
+    private Integer price;
+}
diff --git a/src/main/java/top/fjy8018/jpadatasource/entity/Product.java b/src/main/java/top/fjy8018/jpadatasource/entity/primary/Product.java
similarity index 84%
rename from src/main/java/top/fjy8018/jpadatasource/entity/Product.java
rename to src/main/java/top/fjy8018/jpadatasource/entity/primary/Product.java
index c109800..90256e7 100644
--- a/src/main/java/top/fjy8018/jpadatasource/entity/Product.java
+++ b/src/main/java/top/fjy8018/jpadatasource/entity/primary/Product.java
@@ -1,4 +1,4 @@
-package top.fjy8018.jpadatasource.entity;
+package top.fjy8018.jpadatasource.entity.primary;
 
 import lombok.Data;
 
diff --git a/src/main/java/top/fjy8018/jpadatasource/repository/backup/OrderRepository.java b/src/main/java/top/fjy8018/jpadatasource/repository/backup/OrderRepository.java
new file mode 100644
index 0000000..df4f220
--- /dev/null
+++ b/src/main/java/top/fjy8018/jpadatasource/repository/backup/OrderRepository.java
@@ -0,0 +1,11 @@
+package top.fjy8018.jpadatasource.repository.backup;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import top.fjy8018.jpadatasource.entity.backup.Order;
+
+/**
+ * @author F嘉阳
+ * @date 2019-03-30 9:12
+ */
+public interface OrderRepository extends JpaRepository<Order, Integer> {
+}
diff --git a/src/main/java/top/fjy8018/jpadatasource/repository/ProductRepository.java b/src/main/java/top/fjy8018/jpadatasource/repository/primary/ProductRepository.java
similarity index 59%
rename from src/main/java/top/fjy8018/jpadatasource/repository/ProductRepository.java
rename to src/main/java/top/fjy8018/jpadatasource/repository/primary/ProductRepository.java
index 9329e42..54892db 100644
--- a/src/main/java/top/fjy8018/jpadatasource/repository/ProductRepository.java
+++ b/src/main/java/top/fjy8018/jpadatasource/repository/primary/ProductRepository.java
@@ -1,11 +1,11 @@
-package top.fjy8018.jpadatasource.repository;
+package top.fjy8018.jpadatasource.repository.primary;
 
 import org.springframework.data.jpa.repository.JpaRepository;
-import top.fjy8018.jpadatasource.entity.Product;
+import top.fjy8018.jpadatasource.entity.primary.Product;
 
 /**
  * @author F嘉阳
  * @date 2019-03-30 9:12
  */
-public interface ProductRepository extends JpaRepository<Product, String> {
+public interface ProductRepository extends JpaRepository<Product, Integer> {
 }