diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/game/OAuthServer.java b/HMCL/src/main/java/org/jackhuang/hmcl/game/OAuthServer.java
index de7849c3a..6825290fb 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/OAuthServer.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/OAuthServer.java
@@ -30,6 +30,7 @@ import org.jackhuang.hmcl.util.io.NetworkUtils;
import java.io.IOException;
import java.util.HashMap;
+import java.util.Locale;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
@@ -103,6 +104,7 @@ public final class OAuthServer extends NanoHTTPD implements OAuth.Session {
String html;
try {
html = IOUtils.readFullyAsString(OAuthServer.class.getResourceAsStream("/assets/microsoft_auth.html"))
+ .replace("%lang%", Locale.getDefault().toLanguageTag())
.replace("%close-page%", i18n("account.methods.microsoft.close_page"));
} catch (IOException e) {
LOG.error("Failed to load html", e);
diff --git a/HMCL/src/main/resources/assets/microsoft_auth.html b/HMCL/src/main/resources/assets/microsoft_auth.html
index f9de67484..0cda2b351 100644
--- a/HMCL/src/main/resources/assets/microsoft_auth.html
+++ b/HMCL/src/main/resources/assets/microsoft_auth.html
@@ -16,7 +16,7 @@ You should have received a copy of the GNU General Public License
along with this program. If not, see .
-->
-
+