diff --git a/_projects/project_4_Bus.md b/_projects/project_4_Bus.md
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--- /dev/null
+++ b/_projects/project_4_Bus.md
@@ -0,0 +1,11 @@
+---
+layout: page
+title: An Automated Bus Payment System Based on Geo-fencing
+description: >
+    #JAVA, #PostgreSQL
+    This system implemented automatic payment for buses to alleviate congestion at the entrance.
+importance: 4
+related_publications: false
+img: assets/img/bus_preview.png
+category: Main contributor
+---
\ No newline at end of file
diff --git a/_projects/project_4_Ticketing.md b/_projects/project_4_Ticketing.md
deleted file mode 100644
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--- a/_projects/project_4_Ticketing.md
+++ /dev/null
@@ -1,10 +0,0 @@
----
-layout: page
-title: A Smart Ticketing System for Tourism Sites Based on Geo-fencing
-description: >
-    #JAVA, #PostgreSQL
-    This system implemented automatic ticketing for tourism sites to alleviate congestion and speed up ticket sales at the entrance.
-importance: 4
-related_publications: false
-category: Main contributor
----
\ No newline at end of file
diff --git a/assets/img/bus_preview.png b/assets/img/bus_preview.png
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