diff --git a/playground/shizhengju/process_group.json b/playground/shizhengju/process_group.json
new file mode 100644
index 00000000..11a2d7ef
--- /dev/null
+++ b/playground/shizhengju/process_group.json
@@ -0,0 +1,4 @@
+{
+    "description": "Playground for shizhengju",
+    "display_name": "shizhengju"
+}
\ No newline at end of file