diff --git a/src/Work/ExternalContact/Client.php b/src/Work/ExternalContact/Client.php
index 385cccb31..79bf665ec 100644
--- a/src/Work/ExternalContact/Client.php
+++ b/src/Work/ExternalContact/Client.php
@@ -116,6 +116,57 @@ public function transfer(string $externalUserId, string $handoverUserId, string
         return $this->httpPostJson('cgi-bin/externalcontact/transfer', $params);
     }
 
+    /**
+     * 分配在职成员的客户.
+     *
+     * @see https://work.weixin.qq.com/api/doc/90000/90135/92125
+     *
+     * @param array $externalUserId
+     * @param string $handoverUserId
+     * @param string $takeoverUserId
+     *
+     * @return array|\EasyWeChat\Kernel\Support\Collection|object|\Psr\Http\Message\ResponseInterface|string
+     *
+     * @throws \EasyWeChat\Kernel\Exceptions\InvalidConfigException
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    public function transferCustomer(array $externalUserId, string $handoverUserId, string $takeoverUserId, string $transferSuccessMessage)
+    {
+        $params = [
+            'external_userid' => $externalUserId,
+            'handover_userid' => $handoverUserId,
+            'takeover_userid' => $takeoverUserId,
+            'transfer_success_msg' => $transferSuccessMessage
+        ];
+
+        return $this->httpPostJson('cgi-bin/externalcontact/transfer_customer', $params);
+    }
+
+    /**
+     * 分配离职成员的客户.
+     *
+     * @see https://work.weixin.qq.com/api/doc/90000/90135/94081
+     *
+     * @param array $externalUserId
+     * @param string $handoverUserId
+     * @param string $takeoverUserId
+     *
+     * @return array|\EasyWeChat\Kernel\Support\Collection|object|\Psr\Http\Message\ResponseInterface|string
+     *
+     * @throws \EasyWeChat\Kernel\Exceptions\InvalidConfigException
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    public function resignedTransferCustomer(array $externalUserId, string $handoverUserId, string $takeoverUserId)
+    {
+        $params = [
+            'external_userid' => $externalUserId,
+            'handover_userid' => $handoverUserId,
+            'takeover_userid' => $takeoverUserId,
+        ];
+
+        return $this->httpPostJson('cgi-bin/externalcontact/resigned/transfer_customer', $params);
+    }
+
     /**
      * 获取企业标签库.
      *