diff --git a/tool/src/main/java/io/github/vvb2060/ndk/curl/MainActivity.java b/tool/src/main/java/io/github/vvb2060/ndk/curl/MainActivity.java
index 0fdc0a8..294afa9 100644
--- a/tool/src/main/java/io/github/vvb2060/ndk/curl/MainActivity.java
+++ b/tool/src/main/java/io/github/vvb2060/ndk/curl/MainActivity.java
@@ -185,7 +185,7 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(buildView());
         apkPath = getApplicationInfo().sourceDir;
-        editText.setText("--http3 --curves X25519Kyber768Draft00 --ech true --doh-url https://1.0.0.1/dns-query https://crypto.cloudflare.com/cdn-cgi/trace");
+        editText.setText("--http3-only --curves X25519Kyber768Draft00 --ech true --doh-url https://1.0.0.1/dns-query https://cloudflare-ech.com/cdn-cgi/trace");
         editText.dispatchKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER));
     }