diff --git a/escheduler-api/src/main/java/cn/escheduler/api/controller/ProcessInstanceController.java b/escheduler-api/src/main/java/cn/escheduler/api/controller/ProcessInstanceController.java
index b05aa656f13f7f926b202279821cc7b82f9369f8..cea47be2c6b29060b2741fe911602207502f65ea 100644
--- a/escheduler-api/src/main/java/cn/escheduler/api/controller/ProcessInstanceController.java
+++ b/escheduler-api/src/main/java/cn/escheduler/api/controller/ProcessInstanceController.java
@@ -22,6 +22,8 @@ import cn.escheduler.api.utils.Constants;
 import cn.escheduler.api.utils.Result;
 import cn.escheduler.common.enums.ExecutionStatus;
 import cn.escheduler.common.enums.Flag;
+import cn.escheduler.common.queue.ITaskQueue;
+import cn.escheduler.common.queue.TaskQueueFactory;
 import cn.escheduler.common.utils.ParameterUtils;
 import cn.escheduler.dao.model.User;
 import org.slf4j.Logger;
@@ -189,7 +191,9 @@ public class ProcessInstanceController extends BaseController{
         try{
             logger.info("delete process instance by id, login user:{}, project name:{}, process instance id:{}",
                     loginUser.getUserName(), projectName, processInstanceId);
-            Map<String, Object> result = processInstanceService.deleteProcessInstanceById(loginUser, projectName, processInstanceId);
+            // task queue
+            ITaskQueue tasksQueue = TaskQueueFactory.getTaskQueueInstance();
+            Map<String, Object> result = processInstanceService.deleteProcessInstanceById(loginUser, projectName, processInstanceId,tasksQueue);
             return returnDataList(result);
         }catch (Exception e){
             logger.error(DELETE_PROCESS_INSTANCE_BY_ID_ERROR.getMsg(),e);
diff --git a/escheduler-api/src/main/java/cn/escheduler/api/service/ProcessInstanceService.java b/escheduler-api/src/main/java/cn/escheduler/api/service/ProcessInstanceService.java
index 70abaf07eb24fe44be3644b601e4db4f05dd72c5..6475b42cee4121ab7812bc4ef70f6fa6ffd2fb71 100644
--- a/escheduler-api/src/main/java/cn/escheduler/api/service/ProcessInstanceService.java
+++ b/escheduler-api/src/main/java/cn/escheduler/api/service/ProcessInstanceService.java
@@ -30,6 +30,8 @@ import cn.escheduler.common.graph.DAG;
 import cn.escheduler.common.model.TaskNode;
 import cn.escheduler.common.model.TaskNodeRelation;
 import cn.escheduler.common.process.Property;
+import cn.escheduler.common.queue.ITaskQueue;
+import cn.escheduler.common.queue.TaskQueueFactory;
 import cn.escheduler.common.utils.CollectionUtils;
 import cn.escheduler.common.utils.DateUtils;
 import cn.escheduler.common.utils.JSONUtils;
@@ -446,13 +448,13 @@ public class ProcessInstanceService extends BaseDAGService {
 
     /**
      * delete process instance by id, at the same time，delete task instance and their mapping relation data
-     *
      * @param loginUser
      * @param projectName
-     * @param workflowId
+     * @param processInstanceId
+     * @param tasksQueue
      * @return
      */
-    public Map<String, Object> deleteProcessInstanceById(User loginUser, String projectName, Integer workflowId) {
+    public Map<String, Object> deleteProcessInstanceById(User loginUser, String projectName, Integer processInstanceId,ITaskQueue tasksQueue) {
 
         Map<String, Object> result = new HashMap<>(5);
         Project project = projectMapper.queryByName(projectName);
@@ -462,17 +464,34 @@ public class ProcessInstanceService extends BaseDAGService {
         if (resultEnum != Status.SUCCESS) {
             return checkResult;
         }
-        ProcessInstance processInstance = processDao.findProcessInstanceDetailById(workflowId);
+        ProcessInstance processInstance = processDao.findProcessInstanceDetailById(processInstanceId);
+        List<TaskInstance> taskInstanceList = processDao.findValidTaskListByProcessId(processInstanceId);
+        //process instance priority
+        int processInstancePriority = processInstance.getProcessInstancePriority().ordinal();
         if (processInstance == null) {
-            putMsg(result, Status.PROCESS_INSTANCE_NOT_EXIST, workflowId);
+            putMsg(result, Status.PROCESS_INSTANCE_NOT_EXIST, processInstanceId);
             return result;
         }
 
-        int delete = processDao.deleteWorkProcessInstanceById(workflowId);
-        processDao.deleteAllSubWorkProcessByParentId(workflowId);
-        processDao.deleteWorkProcessMapByParentId(workflowId);
+        int delete = processDao.deleteWorkProcessInstanceById(processInstanceId);
+        processDao.deleteAllSubWorkProcessByParentId(processInstanceId);
+        processDao.deleteWorkProcessMapByParentId(processInstanceId);
 
         if (delete > 0) {
+            if (CollectionUtils.isNotEmpty(taskInstanceList)){
+                for (TaskInstance taskInstance : taskInstanceList){
+                    // task instance priority
+                    int taskInstancePriority = taskInstance.getTaskInstancePriority().ordinal();
+                    String nodeValue=processInstancePriority + "_" + processInstanceId + "_" +taskInstancePriority + "_" + taskInstance.getId();
+                    try {
+                        logger.info("delete task queue node : {}",nodeValue);
+                        tasksQueue.removeNode(cn.escheduler.common.Constants.SCHEDULER_TASKS_QUEUE, nodeValue);
+                    }catch (Exception e){
+                        logger.error("delete task queue node : {}", nodeValue);
+                    }
+                }
+            }
+
             putMsg(result, Status.SUCCESS);
         } else {
             putMsg(result, Status.DELETE_PROCESS_INSTANCE_BY_ID_ERROR);
@@ -489,6 +508,8 @@ public class ProcessInstanceService extends BaseDAGService {
      * @return
      */
     public Map<String, Object> batchDeleteProcessInstanceByIds(User loginUser, String projectName, String processInstanceIds) {
+        // task queue
+        ITaskQueue tasksQueue = TaskQueueFactory.getTaskQueueInstance();
 
         Map<String, Object> result = new HashMap<>(5);
         List<Integer> deleteFailedIdList = new ArrayList<Integer>();
@@ -507,7 +528,7 @@ public class ProcessInstanceService extends BaseDAGService {
             for (String strProcessInstanceId:processInstanceIdArray) {
                 int processInstanceId = Integer.parseInt(strProcessInstanceId);
                 try {
-                    deleteProcessInstanceById(loginUser, projectName, processInstanceId);
+                    deleteProcessInstanceById(loginUser, projectName, processInstanceId,tasksQueue);
                 } catch (Exception e) {
                     deleteFailedIdList.add(processInstanceId);
                 }
diff --git a/escheduler-dao/src/main/java/cn/escheduler/dao/ProcessDao.java b/escheduler-dao/src/main/java/cn/escheduler/dao/ProcessDao.java
index b18fb5e974963228e18d17b0bd678e9efadfa930..1c7fc969aee4daa2db0049af08fb0df121afcd53 100644
--- a/escheduler-dao/src/main/java/cn/escheduler/dao/ProcessDao.java
+++ b/escheduler-dao/src/main/java/cn/escheduler/dao/ProcessDao.java
@@ -1526,6 +1526,14 @@ public class ProcessDao extends AbstractBaseDao {
 
     }
 
+    public void selfFaultTolerant(int ... states){
+        List<ProcessInstance> processInstanceList = processInstanceMapper.listByStatus(states);
+        for (ProcessInstance processInstance:processInstanceList){
+            selfFaultTolerant(processInstance);
+        }
+
+    }
+
     @Transactional(value = "TransactionManager",rollbackFor = Exception.class)
     public void selfFaultTolerant(ProcessInstance processInstance){
 
diff --git a/escheduler-server/src/main/java/cn/escheduler/server/utils/AlertManager.java b/escheduler-server/src/main/java/cn/escheduler/server/utils/AlertManager.java
index fc62bcf73d4181f7581c984b3d0a5bd28f52c458..147f538bcaf80de05bbbe0e9b0392169a81cc2bb 100644
--- a/escheduler-server/src/main/java/cn/escheduler/server/utils/AlertManager.java
+++ b/escheduler-server/src/main/java/cn/escheduler/server/utils/AlertManager.java
@@ -175,7 +175,7 @@ public class AlertManager {
         alert.setContent(content);
         alert.setAlertType(AlertType.EMAIL);
         alert.setCreateTime(new Date());
-        alert.setAlertGroupId(processInstance.getWarningGroupId());
+        alert.setAlertGroupId(processInstance.getWarningGroupId() == null ? 1:processInstance.getWarningGroupId());
         alert.setReceivers(processInstance.getProcessDefinition().getReceivers());
         alert.setReceiversCc(processInstance.getProcessDefinition().getReceiversCc());
 
diff --git a/escheduler-server/src/main/java/cn/escheduler/server/zk/ZKMasterClient.java b/escheduler-server/src/main/java/cn/escheduler/server/zk/ZKMasterClient.java
index 624d0193be88aa101e1561d694ae5c53bbdd116f..fe3360484c47aa0717522c1ebdf568474d6480b9 100644
--- a/escheduler-server/src/main/java/cn/escheduler/server/zk/ZKMasterClient.java
+++ b/escheduler-server/src/main/java/cn/escheduler/server/zk/ZKMasterClient.java
@@ -123,9 +123,9 @@ public class ZKMasterClient extends AbstractZKClient {
 		// register master
 		this.registMaster();
 
-		// check if fault tolerance is required
+		// check if fault tolerance is required，failure and tolerance
 		if (getActiveMasterNum() == 1) {
-			processDao.selfFaultTolerant(ExecutionStatus.RUNNING_EXEUTION.ordinal());
+			processDao.selfFaultTolerant(ExecutionStatus.RUNNING_EXEUTION.ordinal(),ExecutionStatus.NEED_FAULT_TOLERANCE.ordinal());
 		}
 	}
 
diff --git a/escheduler-ui/.env b/escheduler-ui/.env
index 5cd5ba736da46246570a0b8fa2e32f48eeddab3e..fc1b619f694fb0e881d2f888b7095a6f01bfc7be 100644
--- a/escheduler-ui/.env
+++ b/escheduler-ui/.env
@@ -1,5 +1,5 @@
 
-# 后端接口地址
+# 后端接口地址11
 API_BASE = http://192.168.xx.xx:12345
 
 # 本地开发如需ip访问项目把"#"号去掉
diff --git a/escheduler-ui/src/js/conf/home/store/dag/actions.js b/escheduler-ui/src/js/conf/home/store/dag/actions.js
index 0872249d9c9db20c4b50029797400b88e3b3ec49..929c4f6df57c8dfcd16af8099644857d3336f6b6 100644
--- a/escheduler-ui/src/js/conf/home/store/dag/actions.js
+++ b/escheduler-ui/src/js/conf/home/store/dag/actions.js
@@ -538,7 +538,7 @@ export default {
    */
   getReceiver ({ state }, payload) {
     return new Promise((resolve, reject) => {
-      io.get(`projects/{projectName}/executors/get-receiver-cc`, payload, res => {
+      io.get(`projects/${state.projectName}/executors/get-receiver-cc`, payload, res => {
         resolve(res.data)
       }).catch(e => {
         reject(e)
@@ -547,7 +547,7 @@ export default {
   },
   getTaskListDefIdAll ({ state }, payload) {
     return new Promise((resolve, reject) => {
-      io.get(`projects/{projectName}/process/get-task-list`, payload, res => {
+      io.get(`projects/${state.projectName}/process/get-task-list`, payload, res => {
         resolve(res.data)
       }).catch(e => {
         reject(e)