diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index b2541fe..e7eca3e 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -179,7 +179,7 @@
       <workItem from="1703548146035" duration="5923000" />
       <workItem from="1703554157001" duration="5970000" />
       <workItem from="1703566127086" duration="2719000" />
-      <workItem from="1703575373869" duration="9967000" />
+      <workItem from="1703575373869" duration="10043000" />
     </task>
     <task id="LOCAL-00001" summary="fix api bug">
       <option name="closed" value="true" />
diff --git a/README.md b/README.md
index 1a246f9..5b3ee81 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,9 @@ CodeGRITS stands for **G**aze **R**ecording & **I**DE **T**racking **S**ystem, w
 for empirical software engineering (SE) researchers. CodeGRITS is built on top of IntelliJ’s SDK, with wide
 compatibility with the entire family of JetBrains IDEs to track developers’ IDE interactions and eye gaze data.
 
-<img src="./docs/imgs/overview.png" width="600" align="center">
+<p align="center">
+    <img src="./docs/imgs/overview.png" width="600">
+</p>
 
 ## Key Features