diff --git a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/ProcessDefinitionService.java b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/ProcessDefinitionService.java
index 49e3be075c..421cd920db 100644
--- a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/ProcessDefinitionService.java
+++ b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/ProcessDefinitionService.java
@@ -26,6 +26,7 @@ import org.apache.dolphinscheduler.api.utils.Result;
 import org.apache.dolphinscheduler.common.enums.ProcessExecutionTypeEnum;
 import org.apache.dolphinscheduler.common.enums.ReleaseState;
 import org.apache.dolphinscheduler.dao.entity.ProcessDefinition;
+import org.apache.dolphinscheduler.dao.entity.ProcessTaskRelationLog;
 import org.apache.dolphinscheduler.dao.entity.Project;
 import org.apache.dolphinscheduler.dao.entity.TaskDefinitionLog;
 import org.apache.dolphinscheduler.dao.entity.User;
@@ -463,5 +464,90 @@ public interface ProcessDefinitionService {
      * @return Json String
      */
     String doOtherOperateProcess(User loginUser, ProcessDefinition processDefinition);
+
+    /**
+     * update dag define
+     * @param loginUser
+     * @param taskRelationList
+     * @param processDefinition
+     * @param processDefinitionDeepCopy
+     * @param taskDefinitionLogs
+     * @param otherParamsJson
+     */
+    Map<String, Object> updateDagDefine(User loginUser,
+                    List<ProcessTaskRelationLog> taskRelationList,
+                    ProcessDefinition processDefinition,
+                    ProcessDefinition processDefinitionDeepCopy,
+                    List<TaskDefinitionLog> taskDefinitionLogs,
+                    String otherParamsJson);
+
+    /**
+     * check task relation
+     * @param taskRelationList
+     * @param taskRelationJson
+     * @param taskDefinitionLogs
+     * @return
+     */
+    Map<String, Object> checkTaskRelationList(List<ProcessTaskRelationLog> taskRelationList, String taskRelationJson, List<TaskDefinitionLog> taskDefinitionLogs);
+
+    /**
+     * check task define
+     * @param taskDefinitionLogs
+     * @param taskDefinitionJson
+     * @return
+     */
+    Map<String, Object> checkTaskDefinitionList(List<TaskDefinitionLog> taskDefinitionLogs, String taskDefinitionJson);
+
+    /**
+     * create dag define
+     * @param loginUser
+     * @param taskRelationList
+     * @param processDefinition
+     * @param taskDefinitionLogs
+     * @param otherParamsJson
+     * @return
+     */
+    Map<String, Object> createDagDefine(User loginUser,
+                                        List<ProcessTaskRelationLog> taskRelationList,
+                                        ProcessDefinition processDefinition,
+                                        List<TaskDefinitionLog> taskDefinitionLogs, String otherParamsJson);
+
+    /**
+     *
+     * @param loginUser
+     * @param targetProjectCode
+     * @param failedProcessList
+     * @param processDefinitionCodes
+     * @param result
+     * @param isCopy
+     */
+    void doBatchOperateProcessDefinition(User loginUser,
+                                    long targetProjectCode,
+                                    List<String> failedProcessList,
+                                    String processDefinitionCodes,
+                                    Map<String, Object> result,
+                                    boolean isCopy);
+
+    /**
+     * create dag schedule
+     * @param loginUser
+     * @param processDefinition
+     * @param scheduleJson
+     * @return
+     */
+    Map<String, Object> createDagSchedule(User loginUser, ProcessDefinition processDefinition, String scheduleJson);
+
+    /**
+     * update dag schedule
+     * @param loginUser
+     * @param projectCode
+     * @param processDefinitionCode
+     * @param scheduleJson
+     * @return
+     */
+    Map<String, Object> updateDagSchedule(User loginUser,
+                                          long projectCode,
+                                          long processDefinitionCode,
+                                          String scheduleJson);
 }
 
diff --git a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ProcessDefinitionServiceImpl.java b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ProcessDefinitionServiceImpl.java
index 56893f422f..59119e1f57 100644
--- a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ProcessDefinitionServiceImpl.java
+++ b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ProcessDefinitionServiceImpl.java
@@ -279,7 +279,8 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
         return createDagDefine(loginUser, taskRelationList, processDefinition, taskDefinitionLogs, otherParamsJson);
     }
 
-    private Map<String, Object> createDagDefine(User loginUser,
+    @Override
+    public Map<String, Object> createDagDefine(User loginUser,
                                                 List<ProcessTaskRelationLog> taskRelationList,
                                                 ProcessDefinition processDefinition,
                                                 List<TaskDefinitionLog> taskDefinitionLogs, String otherParamsJson) {
@@ -310,7 +311,9 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
         return result;
     }
 
-    private Map<String, Object> checkTaskDefinitionList(List<TaskDefinitionLog> taskDefinitionLogs, String taskDefinitionJson) {
+
+    @Override
+    public Map<String, Object> checkTaskDefinitionList(List<TaskDefinitionLog> taskDefinitionLogs, String taskDefinitionJson) {
         Map<String, Object> result = new HashMap<>();
         try {
             if (taskDefinitionLogs.isEmpty()) {
@@ -338,7 +341,8 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
         return result;
     }
 
-    private Map<String, Object> checkTaskRelationList(List<ProcessTaskRelationLog> taskRelationList, String taskRelationJson, List<TaskDefinitionLog> taskDefinitionLogs) {
+    @Override
+    public Map<String, Object> checkTaskRelationList(List<ProcessTaskRelationLog> taskRelationList, String taskRelationJson, List<TaskDefinitionLog> taskDefinitionLogs) {
         Map<String, Object> result = new HashMap<>();
         try {
             if (taskRelationList == null || taskRelationList.isEmpty()) {
@@ -614,7 +618,8 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
         return updateDagDefine(loginUser, taskRelationList, processDefinition, processDefinitionDeepCopy, taskDefinitionLogs, otherParamsJson);
     }
 
-    private Map<String, Object> updateDagDefine(User loginUser,
+    @Override
+    public Map<String, Object> updateDagDefine(User loginUser,
                                                 List<ProcessTaskRelationLog> taskRelationList,
                                                 ProcessDefinition processDefinition,
                                                 ProcessDefinition processDefinitionDeepCopy,
@@ -863,7 +868,7 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
     /**
      * download the process definition file
      */
-    private void downloadProcessDefinitionFile(HttpServletResponse response, List<DagDataSchedule> dagDataSchedules) {
+    public void downloadProcessDefinitionFile(HttpServletResponse response, List<DagDataSchedule> dagDataSchedules) {
         response.setContentType(MediaType.APPLICATION_JSON_UTF8_VALUE);
         BufferedOutputStream buff = null;
         ServletOutputStream out = null;
@@ -1143,7 +1148,7 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
     /**
      * check and import
      */
-    private boolean checkAndImport(User loginUser, long projectCode, Map<String, Object> result, DagDataSchedule dagDataSchedule, String otherParamsJson) {
+    public boolean checkAndImport(User loginUser, long projectCode, Map<String, Object> result, DagDataSchedule dagDataSchedule, String otherParamsJson) {
         if (!checkImportanceParams(dagDataSchedule, result)) {
             return false;
         }
@@ -1632,7 +1637,7 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
      * @param taskNodeResponseList task node response list
      * @return if graph has cycle flag
      */
-    private boolean graphHasCycle(List<TaskNode> taskNodeResponseList) {
+    public boolean graphHasCycle(List<TaskNode> taskNodeResponseList) {
         DAG<String, TaskNode, String> graph = new DAG<>();
         // Fill the vertices
         for (TaskNode taskNodeResponse : taskNodeResponseList) {
@@ -1733,7 +1738,8 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
         return result;
     }
 
-    private void doBatchOperateProcessDefinition(User loginUser,
+    @Override
+    public void doBatchOperateProcessDefinition(User loginUser,
                                                  long targetProjectCode,
                                                  List<String> failedProcessList,
                                                  String processDefinitionCodes,
@@ -2039,7 +2045,8 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
         return result;
     }
 
-    private Map<String, Object> createDagSchedule(User loginUser, ProcessDefinition processDefinition, String scheduleJson) {
+    @Override
+    public Map<String, Object> createDagSchedule(User loginUser, ProcessDefinition processDefinition, String scheduleJson) {
         Map<String, Object> result = new HashMap<>();
         Schedule scheduleObj = JSONUtils.parseObject(scheduleJson, Schedule.class);
         if (scheduleObj == null) {
@@ -2162,7 +2169,8 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
         return result;
     }
 
-    private Map<String, Object> updateDagSchedule(User loginUser,
+
+    public Map<String, Object> updateDagSchedule(User loginUser,
                                                   long projectCode,
                                                   long processDefinitionCode,
                                                   String scheduleJson) {