Some updates.

Author: xuwenyihust

README.md

@@ -66,7 +66,7 @@ The **dashboard**
 
 **Time line** of related tweet counts, **most related hashtags**, **most related keywords**, the ratio of **postive/negative** tweets.
 <p align="justify">
-  <img src="https://github.com/xuwenyihust/Twitter-Hashtag-Tracking/blob/master/img/dashboard.png" width="500"/>
+  <img src="https://github.com/xuwenyihust/Twitter-Hashtag-Tracking/blob/master/img/dashboard.png" width="800"/>
 </p>
 
 ## Prerequisite