Fix JS error when Google Analytics is not enabled
Fix JS error when Google Analytics is not enabled

yizeng/jekyll-theme-simple-texture,adolfo0620/adolfo0620.github.io,yizeng/jekyll-theme-simple-texture,adolfo0620/adolfo0620.github.io,adolfo0620/adolfo0620.github.io,yizeng/jekyll-theme-simple-texture