diff --git a/lib/qiniu/rs.rb b/lib/qiniu/rs.rb
index fda7d68..3b7323b 100755
--- a/lib/qiniu/rs.rb
+++ b/lib/qiniu/rs.rb
@@ -70,23 +70,6 @@ module Qiniu
       end
 =end
 
-      def put_auth(expires_in = nil, callback_url = nil)
-        code, data = IO.put_auth(expires_in, callback_url)
-        code == StatusOK ? data["url"] : false
-      end
-
-      def upload opts = {}
-        code, data = IO.upload_file(opts[:url],
-                                    opts[:file],
-                                    opts[:bucket],
-                                    opts[:key],
-                                    opts[:mime_type],
-                                    opts[:note],
-                                    opts[:callback_params],
-                                    opts[:enable_crc32_check])
-        code == StatusOK
-      end
-
       def put_file opts = {}
         code, data = IO.put_file(opts[:file],
                                  opts[:bucket],
diff --git a/lib/qiniu/rs/io.rb b/lib/qiniu/rs/io.rb
index cccabe3..8c7739d 100755
--- a/lib/qiniu/rs/io.rb
+++ b/lib/qiniu/rs/io.rb
@@ -10,23 +10,6 @@ module Qiniu
       class << self
         include Utils
 
-        def put_auth(expires_in = nil, callback_url = nil)
-          url = Config.settings[:io_host] + "/put-auth/"
-          url += "#{expires_in}" if !expires_in.nil? && expires_in > 0
-          if !callback_url.nil? && !callback_url.empty?
-            encoded_callback_url = Utils.urlsafe_base64_encode(callback_url)
-            url += "/callback/#{encoded_callback_url}"
-          end
-          Auth.request(url)
-        end
-
-        def upload_file(url, local_file, bucket, key = nil, mime_type = nil, custom_meta = nil, callback_params = nil, enable_crc32_check = false)
-          action_params = _generate_action_params(local_file, bucket, key, mime_type, custom_meta, enable_crc32_check)
-          callback_params = {:bucket => bucket, :key => key, :mime_type => mime_type} if callback_params.nil?
-          callback_query_string = Utils.generate_query_string(callback_params)
-          Utils.upload_multipart_data(url, local_file, action_params, callback_query_string)
-        end
-
         def put_file(local_file, bucket, key = nil, mime_type = nil, custom_meta = nil, enable_crc32_check = false)
           action_params = _generate_action_params(local_file, bucket, key, mime_type, custom_meta, enable_crc32_check)
           url = Config.settings[:io_host] + action_params
diff --git a/spec/qiniu/rs/io_spec.rb b/spec/qiniu/rs/io_spec.rb
index 51075b9..3b0f7bb 100755
--- a/spec/qiniu/rs/io_spec.rb
+++ b/spec/qiniu/rs/io_spec.rb
@@ -24,19 +24,6 @@ module Qiniu
         result.should_not be_false
       end
 
-      context ".upload_file" do
-        it "should works" do
-          code, data = Qiniu::RS::IO.put_auth()
-          code.should == 200
-          data["url"].should_not be_empty
-          data["expiresIn"].should_not be_zero
-          puts data.inspect
-          code2, data2 = Qiniu::RS::IO.upload_file(data["url"], __FILE__, @bucket, @key)
-          code2.should == 200
-          puts data2.inspect
-        end
-      end
-
       context ".put_file" do
         it "should works" do
           code, data = Qiniu::RS::IO.put_file(__FILE__, @bucket, @key, 'application/x-ruby', 'customMeta', true)
diff --git a/spec/qiniu/rs/rs_spec.rb b/spec/qiniu/rs/rs_spec.rb
index 67569ae..3954c85 100755
--- a/spec/qiniu/rs/rs_spec.rb
+++ b/spec/qiniu/rs/rs_spec.rb
@@ -27,18 +27,11 @@ module Qiniu
         code.should == 200
       end
 
-      context "IO.upload_file" do
+      context ".put_file" do
         it "should works" do
-          code, data = Qiniu::RS::IO.put_auth()
-          puts data.inspect
+          code, data = Qiniu::RS::IO.put_file(__FILE__, @bucket, @key, 'application/x-ruby', 'customMeta', true)
           code.should == 200
-          data["url"].should_not be_empty
-          data["expiresIn"].should_not be_zero
-          @put_url = data["url"]
-
-          code2, data2 = Qiniu::RS::IO.upload_file(@put_url, __FILE__, @bucket, @key)
-          puts data2.inspect
-          code2.should == 200
+          puts data.inspect
         end
       end
 
diff --git a/spec/qiniu/rs_spec.rb b/spec/qiniu/rs_spec.rb
index 22a1699..8c0dd80 100755
--- a/spec/qiniu/rs_spec.rb
+++ b/spec/qiniu/rs_spec.rb
@@ -44,6 +44,17 @@ module Qiniu
       result2.should_not be_false
     end
 
+    context ".put_file" do
+      it "should works" do
+        result = Qiniu::RS.put_file :file =>  __FILE__,
+                                    :bucket => @bucket,
+                                    :key => @key,
+                                    :mime_type => 'application/x-ruby',
+                                    :enable_crc32_check => true
+        result.should be_true
+      end
+    end
+
     context ".buckets" do
       it "should works" do
         result = Qiniu::RS.buckets
@@ -105,42 +116,6 @@ module Qiniu
     end
 =end
 
-    context ".put_auth" do
-      it "should works" do
-        result = Qiniu::RS.put_auth(10)
-        result.should_not be_false
-        result.should_not be_empty
-        puts result.inspect
-      end
-    end
-
-    context ".upload" do
-      it "should works" do
-        put_url = Qiniu::RS.put_auth(10)
-        put_url.should_not be_false
-        put_url.should_not be_empty
-        puts put_url.inspect
-        result = Qiniu::RS.upload :url => put_url,
-                                  :file =>  __FILE__,
-                                  :bucket => @bucket,
-                                  :key => @key,
-                                  :mime_type => 'application/x-ruby',
-                                  :enable_crc32_check => true
-        result.should be_true
-      end
-    end
-
-    context ".put_file" do
-      it "should works" do
-        result = Qiniu::RS.put_file :file =>  __FILE__,
-                                    :bucket => @bucket,
-                                    :key => @key,
-                                    :mime_type => 'application/x-ruby',
-                                    :enable_crc32_check => true
-        result.should be_true
-      end
-    end
-
     context ".upload_file" do
       it "should works" do
         uptoken_opts = {:scope => @bucket, :escape => 0}