diff --git a/lib/qiniu/http.rb b/lib/qiniu/http.rb
index 0f7004d..f5b8a10 100755
--- a/lib/qiniu/http.rb
+++ b/lib/qiniu/http.rb
@@ -65,7 +65,7 @@ module Qiniu
         end
 
         content_type = resp_headers["content-type"][0]
-        if !content_type.nil? && content_type == API_RESULT_MIMETYPE then
+        if !content_type.nil? && !content_type.downcase.index(API_RESULT_MIMETYPE).nil? then
           # 如果是JSON格式，则反序列化
           resp_body = Utils.safe_json_parse(resp_body)
         end
@@ -117,7 +117,7 @@ module Qiniu
         end
 
         content_type = resp_headers["content-type"][0]
-        if !content_type.nil? && content_type == API_RESULT_MIMETYPE then
+        if !content_type.nil? && !content_type.downcase.index(API_RESULT_MIMETYPE).nil? then
           # 如果是JSON格式，则反序列化
           resp_body = Utils.safe_json_parse(resp_body)
         end
diff --git a/spec/qiniu/image_spec.rb b/spec/qiniu/image_spec.rb
index 0002326..a93798f 100755
--- a/spec/qiniu/image_spec.rb
+++ b/spec/qiniu/image_spec.rb
@@ -59,14 +59,18 @@ module Qiniu
         end
       end
 
-=begin
       context ".exif" do
         it "should works" do
-          code, data = Qiniu::Fop::Image.exif(@source_image_url)
+          result = Qiniu.get(@bucket, 'gogopher.jpg')
+          result["url"].should_not be_empty
+          puts result.inspect
+
+          code, data, headers = Qiniu::Fop::Image.exif(result["url"])
+          code.should == 200
           puts data.inspect
+          puts headers.inspect
         end
       end
-=end
 
       context ".mogrify_preview_url" do
         it "should works" do