diff --git a/src/Entity/Request/History/IdentityLinkRequest.php b/src/Entity/Request/History/IdentityLinkRequest.php
new file mode 100644
index 0000000..7af8734
--- /dev/null
+++ b/src/Entity/Request/History/IdentityLinkRequest.php
@@ -0,0 +1,32 @@
+<?php
+/**
+ * Your file description
+ *
+ * @version 0.1.0
+ * @author xuansw
+ * @date 2017/12/16
+ * @since 2017/12/16 description
+ */
+
+namespace Camunda\Entity\Request\History;
+
+use Camunda\Entity\Request\BasicRequest;
+
+class IdentityLinkRequest extends BasicRequest
+{
+    protected $fields = [
+        'type',
+        'userId',
+        'groupId',
+        'dateBefore',
+        'dateAfter',
+        'taskId',
+        'processDefinitionId',
+        'processDefinitionKey',
+        'operationType',
+        'assignerId',
+        'tenantIdIn',
+        'sortBy',
+        'sortOrder'
+    ];
+}
diff --git a/src/Service/History/IdentityLinkService.php b/src/Service/History/IdentityLinkService.php
new file mode 100644
index 0000000..24a548c
--- /dev/null
+++ b/src/Service/History/IdentityLinkService.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ * Your file description
+ *
+ * @version 0.1.0
+ * @author xuansw
+ * @date 2017/12/16
+ * @since 2017/12/16 description
+ */
+
+namespace Camunda\Service\History;
+
+use Camunda\Service\BasicService;
+use Camunda\Entity\Request\History\IdentityLinkRequest;
+
+class IdentityLinkService extends BasicService
+{
+    public function getList(IdentityLinkRequest $identityRequest = null)
+    {
+        $this->setRequestUrl('/history/identity-link-log')
+            ->setRequestMethod('GET')
+            ->setRequestContentType('QUERY')
+            ->setRequestObject($identityRequest)
+            ->run();
+
+        return $this->getResponseContents();
+    }
+
+    public function getListCount(IdentityLinkRequest $identityRequest = null)
+    {
+        $this->setRequestUrl('/history/identity-link-log/count')
+            ->setRequestMethod('GET')
+            ->setRequestContentType('QUERY')
+            ->setRequestObject($identityRequest)
+            ->run();
+
+        return $this->getResponseContents();
+    }
+}
diff --git a/tests/Service/DeploymentServiceTest.php b/tests/Service/DeploymentServiceTest.php
index 7b08de8..f8bcd64 100644
--- a/tests/Service/DeploymentServiceTest.php
+++ b/tests/Service/DeploymentServiceTest.php
@@ -47,12 +47,12 @@ public function testCreate()
         $files = new FileCollection();
 
         $files->addFile('power35', file_get_contents('./testProcess.bpmn'), 'testProcess.bpmn');
-        $files->addFile('start', file_get_contents("./startForm.form"), 'startForm.form');
+        //$files->addFile('start', file_get_contents("./startForm.form"), 'startForm.form');
 
         $deploymentRequest = new DeploymentRequest();
         $deploymentRequest->set('deployment-name', '测试')
             ->set('files', $files);
-        //var_dump($deploymentService->create($deploymentRequest));
+        var_dump($deploymentService->create($deploymentRequest));
     }
 
     public function testDelete()
diff --git a/tests/Service/History/IdentityLinkServiceTest.php b/tests/Service/History/IdentityLinkServiceTest.php
new file mode 100644
index 0000000..a5bd011
--- /dev/null
+++ b/tests/Service/History/IdentityLinkServiceTest.php
@@ -0,0 +1,38 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: xuansw
+ * Date: 2017/12/16
+ * Time: 13:52
+ */
+
+namespace Camunda\Service\History;
+
+use Camunda\Entity\Request\History\IdentityLinkRequest;
+
+class IdentityLinkServiceTest extends \PHPUnit_Framework_TestCase
+{
+    const CAMUNDA_REST_HOST = 'http://localhost:8080/engine-rest';
+
+    public function testGetList()
+    {
+        $identityLinkRequest = new IdentityLinkRequest();
+        $identityLinkService = new IdentityLinkService(self::CAMUNDA_REST_HOST);
+        $identityLinkRequest->set('type', 'assignee')
+            ->set('taskId', 'ff3e4da2-e191-11e7-a72e-005056c00008');
+
+        $result = $identityLinkService->getList($identityLinkRequest);
+        var_dump($result);
+    }
+
+    public function testGetListCount()
+    {
+        $identityLinkRequest = new IdentityLinkRequest();
+        $identityLinkService = new IdentityLinkService(self::CAMUNDA_REST_HOST);
+        $identityLinkRequest->set('type', 'assignee')
+            ->set('taskId', 'ff3e4da2-e191-11e7-a72e-005056c00008');
+
+        $result = $identityLinkService->getListCount($identityLinkRequest);
+        var_dump($result);
+    }
+}