diff --git a/lib/dingtalk/api/base.rb b/lib/dingtalk/api/base.rb
index a61e122..b74cbdd 100644
--- a/lib/dingtalk/api/base.rb
+++ b/lib/dingtalk/api/base.rb
@@ -14,7 +14,11 @@ module Dingtalk
       end
 
       def set_access_token
-        Suite.new.set_corp_access_token(@corp.corp_id, @corp.permanent_code)
+        if @corp.isv_mode?
+          Suite.new.set_corp_access_token(@corp.corp_id, @corp.permanent_code)
+        elsif !@corp.corp_secret.nil?
+          set_corp_access_token
+        end
       end
 
       def js_ticket
@@ -22,6 +26,14 @@ module Dingtalk
         ticket.to_s.empty? ? set_js_ticket : ticket
       end
 
+      def set_corp_access_token
+        res = http_get("gettoken?corpid=#{@corp.corp_id}&corpsecret=#{@corp.corp_secret}")
+        key = "#{@corp.corp_id}_#{ACCESS_TOKEN}"
+        redis.set(key, res['access_token'])
+        redis.expire(key, 6600)
+        redis.get(key)
+      end
+
       def set_js_ticket
         key = "#{@corp.corp_id}_#{JS_TICKET}"
         res = http_get("get_jsapi_ticket?access_token=#{access_token}")
--
libgit2 0.21.0