diff --git a/SC-boot/linkage-example/src/main/java/jnpf/controller/ContractController.java b/SC-boot/linkage-example/src/main/java/jnpf/controller/ContractController.java
index a14cdd61..947585ce 100644
--- a/SC-boot/linkage-example/src/main/java/jnpf/controller/ContractController.java
+++ b/SC-boot/linkage-example/src/main/java/jnpf/controller/ContractController.java
@@ -12,7 +12,6 @@ import jnpf.entity.ContractEntity;
 import jnpf.util.JsonUtil;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
-
 import javax.validation.Valid;
 import java.util.List;