diff --git a/lib/dingtalk/client.rb b/lib/dingtalk/client.rb
index cab0d57..55bfb7a 100644
--- a/lib/dingtalk/client.rb
+++ b/lib/dingtalk/client.rb
@@ -22,7 +22,7 @@ module Dingtalk
     end
 
     def signature(return_str)
-      sort_params = [suite.suite_access_token, timestamp, nonce, encrypt(return_str)].sort.join
+      sort_params = [Dingtalk.suite_token, timestamp, nonce, encrypt(return_str)].sort.join
       Digest::SHA1.hexdigest(sort_params)
     end
 
diff --git a/lib/dingtalk/config.rb b/lib/dingtalk/config.rb
index ec008a4..b7d8c7f 100644
--- a/lib/dingtalk/config.rb
+++ b/lib/dingtalk/config.rb
@@ -22,9 +22,13 @@ module Dingtalk
     def suite_aes_key
       @suite_aes_key ||= config.suite_aes_key
     end
+
+    def suite_token
+      @suite_token ||= config.suite_token
+    end
   end
 
   class Config
-    attr_accessor :redis, :redis_options, :suite_key, :suite_secret, :suite_aes_key
+    attr_accessor :redis, :redis_options, :suite_key, :suite_secret, :suite_aes_key, :suite_token
   end
 end
--
libgit2 0.21.0