diff --git a/example/2_features.html b/example/2_features.html
index 65e1dabc..061d33aa 100644
--- a/example/2_features.html
+++ b/example/2_features.html
@@ -52,7 +52,7 @@
                 <div>1. Open</div>
                 <ol type="A">
                     <li><button onclick="open_json();">open example</button></li>
-                    <li><button onclick="open_ajax();">open remote</button></li>
+                    <li><button onclick="open_remote();">open remote</button></li>
                     <li>
                         <button onclick="prompt_info('see 6.Multi Format');">
                             open local file
diff --git a/example/2_features.js b/example/2_features.js
index 83691eb0..7dbedc03 100644
--- a/example/2_features.js
+++ b/example/2_features.js
@@ -80,11 +80,10 @@ function open_json() {
     _jm.show(mind);
 }
 
-function open_ajax() {
-    var mind_url = 'data_example.json';
-    jsMind.util.ajax.get(mind_url, function (mind) {
-        _jm.show(mind);
-    });
+function open_remote() {
+    fetch('data_example.json')
+        .then(resp => resp.json())
+        .then(mind => _jm.show(mind));
 }
 
 function screen_shot() {
diff --git a/example/2_features_cn.html b/example/2_features_cn.html
index 9a47eae9..3fe0a909 100644
--- a/example/2_features_cn.html
+++ b/example/2_features_cn.html
@@ -59,7 +59,7 @@
                 <div>1. Open</div>
                 <ol type="A">
                     <li><button onclick="open_json();">open example</button></li>
-                    <li><button onclick="open_ajax();">open remote</button></li>
+                    <li><button onclick="open_remote();">open remote</button></li>
                     <li>
                         <button onclick="prompt_info('see 6.Multi Format');">
                             open local file
diff --git a/example/data_example.json b/example/data_example.json
index 75491e8d..81c13db7 100644
--- a/example/data_example.json
+++ b/example/data_example.json
@@ -86,7 +86,7 @@
                 "topic": "test node",
                 "direction": "left",
                 "children": [
-                    { "id": "other1", "topic": "I'm from ajax" },
+                    { "id": "other1", "topic": "I'm from remote" },
                     { "id": "other2", "topic": "I can do everything" }
                 ]
             }