add duguang.png for readme

Author: yue kun

README.md

@@ -1,6 +1,10 @@
 # Advanced Literate Machinery
 
 
-The ultimate goal of our research is to build a system that has high-level intelligence, i.e., the abilities to read, think and create, so advanced that it could even surpass human intelligence one day in the future. We name this kind of system **Advanced Literate Machinery (ALM)**.
+The ultimate goal of our research is to build a system that has high-level intelligence, i.e., the abilities to read, think and create, so advanced that it could even surpass human intelligence one day in the future. We name this kind of systems **Advanced Literate Machinery (ALM)**.
 
-This project is maintained by the OCR Team in the [Language Technology Lab, Alibaba DAMO Academy](https://damo.alibaba.com/labs/language-technology). 
+This project is maintained by the 读光 OCR Team (读光-Du Guang means “Reading The Light”) in the [Language Technology Lab, Alibaba DAMO Academy](https://damo.alibaba.com/labs/language-technology). 
+
+![Logo](./resources/DuGuang.png)
+
+Visit our [读光-Du Guang Portal](https://duguang.aliyun.com/) to experience online demos for OCR and Document Understanding.