diff --git a/Gemfile b/Gemfile
index 0e8300c..8394803 100644
--- a/Gemfile
+++ b/Gemfile
@@ -35,5 +35,3 @@ end
 gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
 
 gem "webrick", "~> 1.7"
-
-gem "csv", "~> 3.0"
\ No newline at end of file
diff --git a/_config.yml b/_config.yml
index a902fd3..85ad542 100644
--- a/_config.yml
+++ b/_config.yml
@@ -18,7 +18,7 @@
 # You can create any custom variable you would like, and they will be accessible
 # in the templates via {{ site.myvariable }}.
 
-remote_theme             : "mmistakes/minimal-mistakes@4.26.2"
+remote_theme             : "mmistakes/minimal-mistakes@4.24.0"
 minimal_mistakes_skin    : "default" # "air", "aqua", "contrast", "dark", "dirt", "neon", "mint", "plum", "sunrise"
 locale: "zh-CN"