diff --git a/lib/qiniu/auth.rb b/lib/qiniu/auth.rb
index e28679b..076a314 100755
--- a/lib/qiniu/auth.rb
+++ b/lib/qiniu/auth.rb
@@ -9,7 +9,7 @@
 
 module Qiniu
     module Auth
-      DEFAULT_AUTH_SECONDS = 3600
+      DEFAULT_AUTH_SECONDS = 36000
 
       class << self
         def calculate_deadline(expires_in, deadline = nil)
diff --git a/lib/qiniu/tokens/upload_token.rb b/lib/qiniu/tokens/upload_token.rb
index 84cc165..668c057 100755
--- a/lib/qiniu/tokens/upload_token.rb
+++ b/lib/qiniu/tokens/upload_token.rb
@@ -15,7 +15,7 @@ class UploadToken < AccessToken
 
         def initialize(opts = {})
           @scope = opts[:scope]
-          @expires_in = opts[:expires_in] || 3600
+          @expires_in = opts[:expires_in] || 36000
           @callback_url = opts[:callback_url]
           @callback_body = opts[:callback_body]
           @callback_body_type = opts[:callback_body_type]