Update topology screenshot (#599)

diff --git a/content/images/home/ui_topo.png b/content/images/home/ui_topo.png
deleted file mode 100644
index 99932d7..0000000
--- a/content/images/home/ui_topo.png
+++ /dev/null
Binary files differ
diff --git a/content/images/home/ui_topology.png b/content/images/home/ui_topology.png
new file mode 100644
index 0000000..5208031
--- /dev/null
+++ b/content/images/home/ui_topology.png
Binary files differ
diff --git a/data/index.yml b/data/index.yml
index 1660b71..e553e6f 100644
--- a/data/index.yml
+++ b/data/index.yml
@@ -4,7 +4,7 @@
     - name: Agent for Service
       img: /images/home/ui_dashboard.png
     - name: Topology
-      img: /images/home/ui_topo.png
+      img: /images/home/ui_topology.png
     - name: Trace
       img: /images/home/ui_trace.png
     - name: eBPF Profiling