add CNode for Material Design

Author: xubinggui

categories/social_network.md

@@ -19,7 +19,8 @@ App Name                   | Describe                  | Major Language
 App Name                   | Describe                  | Major Language             | Download 
 :------------------------: | :------------------------ | :------------------------: | :------------------------: 
 [Cotable](https://github.com/Lemueler/Cotable) | Cnblogs Client for Android - Material Design http://www.cnblogs.com (Chinese) | Java |    
-[CNode-android](https://github.com/iwhys/CNode-android) | Android client for https://cnodejs.org/ (Chinese) | Java |  [![Get it on Third-Party](http://i.imgur.com/ppYJYe5.png)](https://github.com/iwhys/CNode-android/releases)    
+[CNode-android](https://github.com/iwhys/CNode-android) | Android client for https://cnodejs.org/ (Chinese) | Java |  [![Get it on Third-Party](http://i.imgur.com/ppYJYe5.png)](https://github.com/iwhys/CNode-android/releases)  
+[CNode-Material-Design](https://github.com/TakWolf/CNode-Material-Design) | CNode for Material Design | Java | [![Get it on Google Play](https://developer.android.com/images/brand/en_app_rgb_wo_45.png)](https://play.google.com/store/apps/details?id=org.cnodejs.android.md)   
 
 ###D
 App Name                   | Describe                  | Major Language             | Download