diff --git a/.gitignore b/.gitignore
index 0cb6eeb..d844320 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /pkg/
 /spec/reports/
 /tmp/
+/.idea
\ No newline at end of file
diff --git a/lib/dingtalk/api/callback.rb b/lib/dingtalk/api/callback.rb
new file mode 100644
index 0000000..9634ddf
--- /dev/null
+++ b/lib/dingtalk/api/callback.rb
@@ -0,0 +1,23 @@
+module Dingtalk
+  module Api
+    class Callback < Base
+
+      def reg_callback url, tags = ['user_add_org', 'user_modify_org', 'user_leave_org', 'org_dept_create', 'org_dept_modify', 'org_dept_remove']
+        params = {
+            call_back_tag: tags,
+            token: Dingtalk.suite_token,
+            aes_key: Dingtalk.suite_aes_key,
+            url: url
+        }
+        http_post("register_call_back?access_token=#{access_token}", params)
+      end
+
+      private
+
+      def base_url
+        'call_back'
+      end
+
+    end
+  end
+end