diff --git a/.gitignore b/.gitignore
index ad3e951..634a6b2 100755
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@ spec/reports
 test/tmp
 test/version_tmp
 tmp
+.idea
diff --git a/Gemfile.lock b/Gemfile.lock
index 2abe055..44de1ed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ PATH
   specs:
     qiniu (6.5.1)
       json (~> 1.8)
-      mime-types (~> 1.19)
+      mime-types (~> 2.4.3)
       rest-client (~> 1.7.3)
       ruby-hmac (~> 0.4)
 
@@ -12,9 +12,9 @@ GEM
   specs:
     diff-lcs (1.2.5)
     fakeweb (1.3.0)
-    json (1.8.2)
-    mime-types (1.25.1)
-    netrc (0.10.3)
+    json (1.8.3)
+    mime-types (2.4.3)
+    netrc (0.11.0)
     rake (10.4.2)
     rest-client (1.7.3)
       mime-types (>= 1.16, < 3.0)
@@ -42,3 +42,6 @@ DEPENDENCIES
   qiniu!
   rake (>= 0.9)
   rspec (>= 2.11)
+
+BUNDLED WITH
+   1.11.2