diff --git a/src/test/java/com/dispose/test/service/DisposeTaskServiceTest.java b/src/test/java/com/dispose/test/service/DisposeTaskServiceTest.java
index 50b4cab8..aefb8a7d 100644
--- a/src/test/java/com/dispose/test/service/DisposeTaskServiceTest.java
+++ b/src/test/java/com/dispose/test/service/DisposeTaskServiceTest.java
@@ -1,12 +1,9 @@
 package com.dispose.test.service;
 
-import com.dispose.common.DDoSAttackType;
-import com.dispose.common.DisposeCapacityType;
-import com.dispose.common.DisposeConfigValue;
-import com.dispose.common.ErrorCode;
-import com.dispose.common.NetflowDirection;
+import com.dispose.common.*;
 import com.dispose.manager.DisposeTaskManager;
 import com.dispose.mapper.DisposeDeviceMapper;
+import com.dispose.mapper.DisposeTaskMapper;
 import com.dispose.mapper.UserAccountMapper;
 import com.dispose.pojo.entity.DisposeTask;
 import com.dispose.pojo.po.MulReturnType;
@@ -76,6 +73,11 @@ public class DisposeTaskServiceTest extends InitTestEnvironment {
      */
     @Resource
     private DisposeTaskService disposeTaskService;
+    /**
+     * The Dispose task mapper.
+     */
+    @Resource
+    private DisposeTaskMapper disposeTaskMapper;
 
     /**
      * User login test.
@@ -127,5 +129,34 @@ public class DisposeTaskServiceTest extends InitTestEnvironment {
         Assert.assertEquals(ret.getSecondParam().getId(), disposeTaskManager.getDisposeTask(newTask.getDeviceId(),
                 newTask.getDisposeIp(), newTask.getDisposeCapacity()).getId());
     }
+
+    /**
+     * stop task test mul return type.
+     */
+    @Test
+    public void a2_stopTaskTest() {
+        Long taskId = disposeTaskMapper.selectAll().get(0).getId();
+
+        MulReturnType<ErrorCode, DisposeTask> ret = disposeTaskService.stopTask(taskId-1);
+        if (ret.getFirstParam() == ErrorCode.ERR_NOSUCHTASK) {
+            Assert.assertNull(disposeTaskManager.getDisposeTaskById(taskId-1));
+        }
+
+        ret = disposeTaskService.stopTask(taskId);
+        DisposeTask task = disposeTaskMapper.getDisposeTaskById(taskId);
+
+        if (ret.getFirstParam() == ErrorCode.ERR_TASKNOTRUNNING) {
+            Assert.assertNotNull(task);
+            Assert.assertFalse(task.getCurrentStatus().taskIsRunning());
+        }
+        else if(ret.getFirstParam() == ErrorCode.ERR_DATABASE){
+            Assert.assertNull(task);
+            Assert.assertFalse(disposeTaskManager.changeDisposeTaskStatus(taskId, DisposeTaskStatus.TASK_CANCELED));
+        }
+        else if(ret.getFirstParam() == ErrorCode.ERR_OK){
+            Assert.assertNotNull(task);
+            Assert.assertEquals(task.getCurrentStatus(),DisposeTaskStatus.TASK_CANCELED);
+        }
+    }
 }