diff --git a/packages/plugins/blocks/blocks-antd/src/blocks/TimelineList/schema.json b/packages/plugins/blocks/blocks-antd/src/blocks/TimelineList/schema.json
index 555b2cba2..0fc580dac 100644
--- a/packages/plugins/blocks/blocks-antd/src/blocks/TimelineList/schema.json
+++ b/packages/plugins/blocks/blocks-antd/src/blocks/TimelineList/schema.json
@@ -5,7 +5,10 @@
     "additionalProperties": false,
     "properties": {
       "data": {
-        "type": "array"
+        "type": "array",
+        "docs": {
+          "displayType": "yaml"
+        }
       },
       "style": {
         "type": "object",