diff --git a/README.md b/README.md
index 303b0862..c382ecb7 100644
--- a/README.md
+++ b/README.md
@@ -425,6 +425,10 @@ Brook's stance on IPv6 is positive, if your server or local environment doesn't
     - `Bypass Apple`: To prevent issues receiving Apple message notifications.
     - `Bypass China domain` or `Bypass China domain A`: The former uses `Bypass DNS` to obtain the IP, then `Bypass Geo` or other modules decide whether to bypass; the latter bypasses directly after obtaining the IP with `Bypass DNS` using A records. The latter is needed if your local does not support IPv6.
     - If you are a [Shiliew](https://www.txthinking.com/shiliew.html) user, some modules are enabled by default, which is usually sufficient.
+14. If Fake DNS works properly, this should return an IP from server DNS Server IP pool. Otherwise, your application(such as browser) may has its own DNS setting instead of use system DNS.
+    ```
+    curl https://`date +%s`.http3.ooo --http2
+    ```
 14. Search [GitHub issues](https://github.com/txthinking/brook/issues?q=is%3Aissue)
 15. Read the [blog](https://www.txthinking.com/talks/)
 16. Read the [documentation](https://brook.app)
diff --git a/docs/client.md b/docs/client.md
index 9901073d..efc86668 100644
--- a/docs/client.md
+++ b/docs/client.md
@@ -265,6 +265,10 @@ Brook's stance on IPv6 is positive, if your server or local environment doesn't
     - `Bypass Apple`: To prevent issues receiving Apple message notifications.
     - `Bypass China domain` or `Bypass China domain A`: The former uses `Bypass DNS` to obtain the IP, then `Bypass Geo` or other modules decide whether to bypass; the latter bypasses directly after obtaining the IP with `Bypass DNS` using A records. The latter is needed if your local does not support IPv6.
     - If you are a [Shiliew](https://www.txthinking.com/shiliew.html) user, some modules are enabled by default, which is usually sufficient.
+14. If Fake DNS works properly, this should return an IP from server DNS Server IP pool. Otherwise, your application(such as browser) may has its own DNS setting instead of use system DNS.
+    ```
+    curl https://`date +%s`.http3.ooo --http2
+    ```
 14. Search [GitHub issues](https://github.com/txthinking/brook/issues?q=is%3Aissue)
 15. Read the [blog](https://www.txthinking.com/talks/)
 16. Read the [documentation](https://brook.app)
diff --git a/docs/index.html b/docs/index.html
index 91040b6f..e86c230e 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -2296,6 +2296,9 @@ <h2 id="troubleshooting-steps">Troubleshooting Steps</h2>
 <li>If you are a <a href="https://www.txthinking.com/shiliew.html">Shiliew</a> user, some modules are enabled by default, which is usually sufficient.</li>
 </ul>
 </li>
+<li>If Fake DNS works properly, this should return an IP from server DNS Server IP pool. Otherwise, your application(such as browser) may has its own DNS setting instead of use system DNS.<pre><code>curl https://`date +%s`.http3.ooo --http2
+</code></pre>
+</li>
 <li>Search <a href="https://github.com/txthinking/brook/issues?q=is%3Aissue">GitHub issues</a></li>
 <li>Read the <a href="https://www.txthinking.com/talks/">blog</a></li>
 <li>Read the <a href="https://brook.app">documentation</a></li>
diff --git a/ping/ping.json b/ping/ping.json
index a9a77f01..c27dcb3a 100644
--- a/ping/ping.json
+++ b/ping/ping.json
@@ -1,7 +1,7 @@
 {
-    "version": "20240606",
-    "text": "Zhi - A Truely End-to-End Encrypted Instant Messaging App",
+    "version": "20250202",
+    "text": "Zhi - A Zero-Trust End-to-End Encrypted Instant Messaging App",
     "link": "https://www.txthinking.com/zhi.html",
-    "text_zh": "纸，一个真正的端到端加密的聊天应用",
+    "text_zh": "纸，一个零信任端到端加密的聊天应用",
     "link_zh": "https://www.txthinking.com/zhi.html"
 }