diff --git a/lib/dingtalk/api/base.rb b/lib/dingtalk/api/base.rb
index 0745483..9b3502e 100644
--- a/lib/dingtalk/api/base.rb
+++ b/lib/dingtalk/api/base.rb
@@ -23,7 +23,11 @@ module Dingtalk
       end
 
       def set_js_ticket
-        http_get('get_jsapi_ticket')
+        key = "#{corp_id}_#{JS_TICKET}"
+        res = http_get('get_jsapi_ticket')
+        redis.set(key, res['suite_access_token'])
+        redis.expire(key, 7200)
+        redis.get(key)
       end
 
       private
diff --git a/lib/dingtalk/client.rb b/lib/dingtalk/client.rb
index 75cd01e..cab0d57 100644
--- a/lib/dingtalk/client.rb
+++ b/lib/dingtalk/client.rb
@@ -31,7 +31,7 @@ module Dingtalk
       signature = Digest::SHA1.hexdigest(sort_params)
       {
         corp_id: @corp_id,
-        timeStamp: timeStamp,
+        timeStamp: timestamp,
         nonceStr: nonce,
         signature: signature
       }
--
libgit2 0.21.0