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diff --git a/CoLo-PE/README.md b/CoLo-PE/README.md
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@@ -41,5 +41,6 @@ Clara Chun
 ![Experiment trial in CoLo-PE](experiment.jpg?raw=true)
 ### Experiment trial in CoLo-PE
 
+
 ![Type I (left) and Type II (right)](robots.jpg)
 ### Type I (left) and Type II (right)
diff --git a/README.md b/README.md
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@@ -13,5 +13,7 @@ Each parts can be used independetly for users' needs.
 
 
 ## Authors
+![CoLo Structure](CoLo Structure.jpg?raw=true)
+### Experiment trial in CoLo-PE
 
 **Shengkang Chen**