diff --git a/IX. ‘How-to’ guides/67.4. Separate @Entity definitions from Spring configuration.md b/IX. ‘How-to’ guides/67.4. Separate @Entity definitions from Spring configuration.md
index e69de29..b1f8140 100644
--- a/IX. ‘How-to’ guides/67.4. Separate @Entity definitions from Spring configuration.md	
+++ b/IX. ‘How-to’ guides/67.4. Separate @Entity definitions from Spring configuration.md	
@@ -0,0 +1,13 @@
+### 67.4. 从Spring配置分离`@Entity`定义
+
+Spring Boot会基于它找到的`@EnableAutoConfiguration`来尝试猜测你的`@Entity`定义的位置。想要获取更多控制，你可以使用`@EntityScan`注解，比如：
+```java
+@Configuration
+@EnableAutoConfiguration
+@EntityScan(basePackageClasses=City.class)
+public class Application {
+
+    //...
+
+}
+```