diff --git a/escheduler-api/src/main/java/cn/escheduler/api/service/ExecutorService.java b/escheduler-api/src/main/java/cn/escheduler/api/service/ExecutorService.java
index 740fbc961c..9602ac6cef 100644
--- a/escheduler-api/src/main/java/cn/escheduler/api/service/ExecutorService.java
+++ b/escheduler-api/src/main/java/cn/escheduler/api/service/ExecutorService.java
@@ -191,6 +191,16 @@ public class ExecutorService extends BaseService{
             return checkResult;
         }
 
+        // checkTenantExists();
+        Tenant tenant = processDao.getTenantForProcess(processDefinition.getTenantId(),
+                processDefinition.getUserId());
+        if(tenant == null){
+            logger.error("there is not any vaild tenant for the process definition: id:{},name:{}, ",
+                    processDefinition.getId(), processDefinition.getName());
+            putMsg(result, Status.PROCESS_INSTANCE_NOT_EXIST, processInstanceId);
+            return result;
+        }
+
         switch (executeType) {
             case REPEAT_RUNNING:
                 result = insertCommand(loginUser, processInstanceId, processDefinition.getId(), CommandType.REPEAT_RUNNING);
@@ -260,7 +270,7 @@ public class ExecutorService extends BaseService{
                 }
                 break;
             case RECOVER_SUSPENDED_PROCESS:
-                if (executionStatus.typeIsPause()) {
+                if (executionStatus.typeIsPause()|| executionStatus.typeIsCancel()) {
                     checkResult = true;
                 }
             default:
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 3cbf5f1414..88ff3f1019 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
@@ -38,10 +38,7 @@ import cn.escheduler.common.utils.JSONUtils;
 import cn.escheduler.common.utils.ParameterUtils;
 import cn.escheduler.common.utils.placeholder.BusinessTimeUtils;
 import cn.escheduler.dao.ProcessDao;
-import cn.escheduler.dao.mapper.ProcessDefinitionMapper;
-import cn.escheduler.dao.mapper.ProcessInstanceMapper;
-import cn.escheduler.dao.mapper.ProjectMapper;
-import cn.escheduler.dao.mapper.TaskInstanceMapper;
+import cn.escheduler.dao.mapper.*;
 import cn.escheduler.dao.model.*;
 import com.alibaba.fastjson.JSON;
 import org.apache.commons.lang3.StringUtils;
@@ -97,6 +94,9 @@ public class ProcessInstanceService extends BaseDAGService {
     @Autowired
     LoggerService loggerService;
 
+    @Autowired
+    WorkerGroupMapper workerGroupMapper;
+
     /**
      * query process instance by id
      *
@@ -115,6 +115,12 @@ public class ProcessInstanceService extends BaseDAGService {
             return checkResult;
         }
         ProcessInstance processInstance = processDao.findProcessInstanceDetailById(processId);
+        if(processInstance.getWorkerGroupId() == -1){
+            processInstance.setWorkerGroupName("Default");
+        }else{
+            WorkerGroup workerGroup = workerGroupMapper.queryById(processInstance.getWorkerGroupId());
+            processInstance.setWorkerGroupName(workerGroup.getName());
+        }
         result.put(Constants.DATA_LIST, processInstance);
         putMsg(result, Status.SUCCESS);
 
diff --git a/escheduler-dao/src/main/java/cn/escheduler/dao/model/ProcessInstance.java b/escheduler-dao/src/main/java/cn/escheduler/dao/model/ProcessInstance.java
index 24902c0121..158bf3f847 100644
--- a/escheduler-dao/src/main/java/cn/escheduler/dao/model/ProcessInstance.java
+++ b/escheduler-dao/src/main/java/cn/escheduler/dao/model/ProcessInstance.java
@@ -194,6 +194,11 @@ public class ProcessInstance {
      */
     private int tenantId;
 
+    /**
+     * worker group name. for api.
+     */
+    private String workerGroupName;
+
     public ProcessInstance(){
 
     }
@@ -549,6 +554,7 @@ public class ProcessInstance {
                 ", dependenceScheduleTimes='" + dependenceScheduleTimes + '\'' +
                 ", duration=" + duration +
                 ", timeout=" + timeout +
+                ", workerGroupName=" + workerGroupName +
                 ", processInstancePriority=" + processInstancePriority +
                 '}';
     }
@@ -560,4 +566,12 @@ public class ProcessInstance {
     public int getTenantId() {
         return this.tenantId ;
     }
+
+    public String getWorkerGroupName() {
+        return workerGroupName;
+    }
+
+    public void setWorkerGroupName(String workerGroupName) {
+        this.workerGroupName = workerGroupName;
+    }
 }
diff --git a/escheduler-ui/src/js/conf/home/pages/projects/pages/instance/pages/list/_source/list.vue b/escheduler-ui/src/js/conf/home/pages/projects/pages/instance/pages/list/_source/list.vue
index 2bc1cad066..b867c1751b 100644
--- a/escheduler-ui/src/js/conf/home/pages/projects/pages/instance/pages/list/_source/list.vue
+++ b/escheduler-ui/src/js/conf/home/pages/projects/pages/instance/pages/list/_source/list.vue
@@ -95,10 +95,10 @@
                         shape="circle"
                         size="xsmall"
                         data-toggle="tooltip"
-                        :title="$t('Stop')"
-                        @click="_stop(item)"
+                        :title="item.state === 'STOP' ? $t('Recovery Stop') : $t('Stop')"
+                        @click="_stop(item,$index)"
                         icon="iconfont icon-zanting1"
-                        :disabled="item.state !== 'RUNNING_EXEUTION'"></x-button>
+                        :disabled="item.state !== 'RUNNING_EXEUTION' && item.state != 'STOP'"></x-button>
               <x-button type="warning"
                         shape="circle"
                         size="xsmall"
@@ -362,11 +362,20 @@
        * stop
        * @param STOP
        */
-      _stop (item) {
-        this._upExecutorsState({
-          processInstanceId: item.id,
-          executeType: 'STOP'
-        })
+      _stop (item, index) {
+        if(item.state == 'STOP') {
+          this._countDownFn({
+            id: item.id,
+            executeType: 'RECOVER_SUSPENDED_PROCESS',
+            index: index,
+            buttonType: 'suspend'
+          })
+        } else {
+          this._upExecutorsState({
+            processInstanceId: item.id,
+            executeType: 'STOP'
+          })
+        }
       },
       /**
        * pause
diff --git a/escheduler-ui/src/js/module/i18n/locale/en_US.js b/escheduler-ui/src/js/module/i18n/locale/en_US.js
index 57526d5b8d..8933f10c4a 100644
--- a/escheduler-ui/src/js/module/i18n/locale/en_US.js
+++ b/escheduler-ui/src/js/module/i18n/locale/en_US.js
@@ -238,6 +238,7 @@ export default {
   'Stop': 'Stop',
   'Pause': 'Pause',
   'Recovery Suspend': 'Recovery Suspend',
+  'Recovery Stop': 'Recovery Stop',
   'Gantt': 'Gantt',
   'Name': 'Name',
   'Node Type': 'Node Type',
diff --git a/escheduler-ui/src/js/module/i18n/locale/zh_CN.js b/escheduler-ui/src/js/module/i18n/locale/zh_CN.js
index a81b9574f6..4c9c3a1cbe 100644
--- a/escheduler-ui/src/js/module/i18n/locale/zh_CN.js
+++ b/escheduler-ui/src/js/module/i18n/locale/zh_CN.js
@@ -238,6 +238,7 @@ export default {
   'Stop': '停止',
   'Pause': '暂停',
   'Recovery Suspend': '恢复暂停',
+  'Recovery Stop': '恢复停止',
   'Gantt': '甘特图',
   'Name': '名称',
   'Node Type': '节点类型',