update to v1.2.2

Author: HarrisonXi

VirtualView.podspec

@@ -1,15 +1,15 @@
 Pod::Spec.new do |s|
 
   s.name         = "VirtualView"
-  s.version      = "1.2.1"
+  s.version      = "1.2.2"
   s.summary      = "A solution to create & release UI component dynamically."
   s.homepage     = "https://github.com/alibaba/VirtualView-iOS"
   s.license      = { :type => 'MIT' }
   s.author       = { "HarrisonXi" => "gpra8764@gmail.com" }
   s.platform     = :ios
   s.ios.deployment_target = '8.0'
   s.requires_arc = true
-  s.source       =  { :git => "https://github.com/alibaba/VirtualView-iOS.git", :tag => '1.2.1' } 
+  s.source       =  { :git => "https://github.com/alibaba/VirtualView-iOS.git", :tag => '1.2.2' } 
   s.source_files = 'VirtualView/**/*.{h,m}' 
   s.prefix_header_contents = '#import "VVDefines.h"'