diff --git a/app/src/main/assets/print_demo.html b/app/src/main/assets/print_demo.html
index 003bd6c..16ba1a8 100644
--- a/app/src/main/assets/print_demo.html
+++ b/app/src/main/assets/print_demo.html
@@ -1168,6 +1168,24 @@
             showPttResult("接口 getTempGroupId 不可用");
         }
     }
+
+    function playNativeAlert() {
+        if (window.android && window.android.playAlert) {
+            var count = parseInt(document.getElementById('alert-count').value) || 3;
+            var volume = parseFloat(document.getElementById('alert-volume').value) || 1.0;
+            window.android.playAlert(count, volume);
+        } else {
+            alert("播放提示音接口未就绪");
+        }
+    }
+
+    function stopNativeAlert() {
+        if (window.android && window.android.stopAlert) {
+            window.android.stopAlert();
+        } else {
+            alert("停止播放接口未就绪");
+        }
+    }
 </script>
 </body>
 </html>