diff --git a/activiti-cloud-query-service/activiti-cloud-services-query/activiti-cloud-services-query-repo/src/main/java/org/activiti/cloud/services/query/app/repository/CustomizedProcessInstanceRepositoryImpl.java b/activiti-cloud-query-service/activiti-cloud-services-query/activiti-cloud-services-query-repo/src/main/java/org/activiti/cloud/services/query/app/repository/CustomizedProcessInstanceRepositoryImpl.java
index b717deea90..d401e27ae6 100644
--- a/activiti-cloud-query-service/activiti-cloud-services-query/activiti-cloud-services-query-repo/src/main/java/org/activiti/cloud/services/query/app/repository/CustomizedProcessInstanceRepositoryImpl.java
+++ b/activiti-cloud-query-service/activiti-cloud-services-query/activiti-cloud-services-query-repo/src/main/java/org/activiti/cloud/services/query/app/repository/CustomizedProcessInstanceRepositoryImpl.java
@@ -93,10 +93,7 @@ public Map<String, Set<QueryCloudSubprocessInstance>> groupSubprocesses(Page<Pro
             .collect(
                 Collectors.groupingBy(
                     ProcessInstanceEntity::getParentId,
-                    Collectors.mapping(
-                        this::getQueryCloudSubprocessInstance,
-                        Collectors.toSet()
-                    )
+                    Collectors.mapping(this::getQueryCloudSubprocessInstance, Collectors.toSet())
                 )
             );
     }
diff --git a/activiti-cloud-query-service/activiti-cloud-services-query/activiti-cloud-services-query-repo/src/test/java/org/activiti/cloud/services/query/app/repository/CustomizedProcessInstanceRepositoryImplTest.java b/activiti-cloud-query-service/activiti-cloud-services-query/activiti-cloud-services-query-repo/src/test/java/org/activiti/cloud/services/query/app/repository/CustomizedProcessInstanceRepositoryImplTest.java
index 791f3835e2..78b7a99e99 100644
--- a/activiti-cloud-query-service/activiti-cloud-services-query/activiti-cloud-services-query-repo/src/test/java/org/activiti/cloud/services/query/app/repository/CustomizedProcessInstanceRepositoryImplTest.java
+++ b/activiti-cloud-query-service/activiti-cloud-services-query/activiti-cloud-services-query-repo/src/test/java/org/activiti/cloud/services/query/app/repository/CustomizedProcessInstanceRepositoryImplTest.java
@@ -15,6 +15,9 @@
  */
 package org.activiti.cloud.services.query.app.repository;
 
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.*;
 import org.activiti.cloud.api.process.model.QueryCloudSubprocessInstance;
 import org.activiti.cloud.services.query.model.ProcessInstanceEntity;
 import org.junit.jupiter.api.BeforeEach;
@@ -23,10 +26,6 @@
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageImpl;
 
-import java.util.*;
-
-import static org.junit.jupiter.api.Assertions.*;
-
 class CustomizedProcessInstanceRepositoryImplTest {
 
     private CustomizedProcessInstanceRepositoryImpl repository;
@@ -89,8 +88,7 @@ private ProcessInstanceEntity createProcessInstance(String parentId) {
 
     private List<ProcessInstanceEntity> createParentProcessInstances(int count) {
         List<ProcessInstanceEntity> instances = new ArrayList<>();
-        for(int i =0;i<count;i++)
-        {
+        for (int i = 0; i < count; i++) {
             instances.add(createProcessInstance("1"));
         }
         return instances;
@@ -98,8 +96,7 @@ private List<ProcessInstanceEntity> createParentProcessInstances(int count) {
 
     private List<ProcessInstanceEntity> createSubprocessInstances(int count, String parentId) {
         List<ProcessInstanceEntity> instances = new ArrayList<>();
-        for(int i =0;i<count;i++)
-        {
+        for (int i = 0; i < count; i++) {
             instances.add(createProcessInstance(parentId));
         }
         return instances;