diff --git a/config/yigd.json b/config/yigd.json
new file mode 100644
index 0000000..45ad195
--- /dev/null
+++ b/config/yigd.json
@@ -0,0 +1,6 @@
+{
+  "expConfig": {
+    "dropBehaviour": "PERCENTAGE",
+    "dropPercentage": "80",
+  },
+}