diff --git a/ZMediumToMarkdown.gemspec b/ZMediumToMarkdown.gemspec
index 14ba544..768093a 100644
--- a/ZMediumToMarkdown.gemspec
+++ b/ZMediumToMarkdown.gemspec
@@ -6,7 +6,7 @@ Gem::Specification.new do |gem|
     gem.files         = Dir['lib/**/*.*']
     gem.executables   = ['ZMediumToMarkdown']
     gem.name          = 'ZMediumToMarkdown'
-    gem.version       = '2.1.1'
+    gem.version       = '2.1.2'
   
     gem.license       = "MIT"
   
diff --git a/ZMediumToMarkdown_Github.gemspec b/ZMediumToMarkdown_Github.gemspec
deleted file mode 100644
index ea6a0fd..0000000
--- a/ZMediumToMarkdown_Github.gemspec
+++ /dev/null
@@ -1,16 +0,0 @@
-Gem::Specification.new do |gem|
-    gem.authors       = ['ZhgChgLi']
-    gem.description   = 'ZMediumToMarkdown lets you download Medium post and convert it to markdown format easily.'
-    gem.summary       = 'This project can help you to make an auto-sync or auto-backup service from Medium, like auto-sync Medium posts to Jekyll or other static markdown blog engines or auto-backup Medium posts to the Github page.'
-    gem.homepage      = 'https://github.com/ZhgChgLi/ZMediumToMarkdown'
-    gem.files         = Dir['lib/**/*.*']
-    gem.executables   = ['ZMediumToMarkdown']
-    gem.name          = 'zmediumtomarkdown'
-    gem.version       = '2.1.2'
-  
-    gem.license       = "MIT"
-  
-    gem.add_dependency 'nokogiri', '~> 1.13.1'
-    gem.add_dependency 'net-http', '~> 0.1.0'
-    gem.add_dependency 'rubyzip', '~> 2.3.2'
-end
\ No newline at end of file