diff --git a/spec/qiniu/rs_spec.rb b/spec/qiniu/rs_spec.rb
index 45fadaa..a0c48fc 100755
--- a/spec/qiniu/rs_spec.rb
+++ b/spec/qiniu/rs_spec.rb
@@ -45,7 +45,7 @@ module Qiniu
 
     context ".set_separator" do
       it "should works" do
-        result = Qiniu::RS::Pub.set_separator(@bucket, "-")
+        result = Qiniu::RS.set_separator(@bucket, "-")
         result.should_not be_false
         puts result.inspect
       end
@@ -53,7 +53,7 @@ module Qiniu
 
     context ".set_style" do
       it "should works" do
-        result = Qiniu::RS::Pub.set_style(@bucket, "small.jpg", "imageMogr/auto-orient/thumbnail/!120x120r/gravity/center/crop/!120x120/quality/80")
+        result = Qiniu::RS.set_style(@bucket, "small.jpg", "imageMogr/auto-orient/thumbnail/!120x120r/gravity/center/crop/!120x120/quality/80")
         result.should_not be_false
         puts result.inspect
       end
@@ -61,7 +61,7 @@ module Qiniu
 
     context ".unstyle" do
       it "should works" do
-        result = Qiniu::RS::Pub.unstyle(@bucket, "small.jpg")
+        result = Qiniu::RS.unstyle(@bucket, "small.jpg")
         result.should_not be_false
         puts result.inspect
       end