【cnblog】why different total number of my blog

　　I remember last time i saw the top corner is 140+,and after some blogs, it became 120+,which makes me surprised. The truth is 150+now, i add all the blogs together, is 154. How can it be like this , my painstaking effort！

 

 

2013.9.30:

I realize that it's because I set one acticle to more than one classification.