diff --git a/lib/qiniu/rs/image.rb b/lib/qiniu/rs/image.rb
index 63091b5..78e128e 100755
--- a/lib/qiniu/rs/image.rb
+++ b/lib/qiniu/rs/image.rb
@@ -7,12 +7,12 @@ module Qiniu
         include Utils
 
         def info(url)
-          Utils.http_request url + '/imageInfo', nil, {:method => :get}
-        end
+          Utils.http_request url + '?imageInfo', nil, {:method => :get}
+        end # info
 
         def exif(url)
           Utils.http_request url + '?exif', nil, {:method => :get}
-        end
+        end # exif
 
         def preivew_url(url, spec)
           url + '/imagePreview/' + spec.to_s