diff --git a/README.md b/README.md
index 6c564ba1..4325b456 100644
--- a/README.md
+++ b/README.md
@@ -170,13 +170,11 @@ import MindMap from "simple-mind-map";
 const mindMap = new MindMap({
   el: document.getElementById("mindMapContainer"),
   data: {
-    "root": {
-      "data": {
-        "text": "root node",
-      },
-      "children": [],
+    "data": {
+        "text": "根节点"
     },
-  },
+    "children": []
+  }
 });
 ```
 
diff --git a/README.zh-Hans.md b/README.zh-Hans.md
index f4fa4e38..e5eb9909 100644
--- a/README.zh-Hans.md
+++ b/README.zh-Hans.md
@@ -145,12 +145,10 @@ import MindMap from "simple-mind-map";
 const mindMap = new MindMap({
   el: document.getElementById('mindMapContainer'),
   data: {
-    "root": {
-        "data": {
-            "text": "根节点"
-        },
-        "children": []
-    }
+    "data": {
+        "text": "根节点"
+    },
+    "children": []
   }
 });
 ```