diff --git a/client/index.html b/client/index.html
index 754033d..35dd3fc 100644
--- a/client/index.html
+++ b/client/index.html
@@ -87,6 +87,7 @@
 
 <body>
     <div id="app"></div>
+    <mdui-snackbar close-on-outside-click id="public_snackbar"></mdui-snackbar>
 
     <script nomodule>
         alert('很抱歉, 此应用无法在较旧的浏览器运行, 请使用基于 Chromium 89+ 的浏览器(内核)使用 :(')
diff --git a/client/ui/snackbar.js b/client/ui/snackbar.js
new file mode 100644
index 0000000..ed44c1a
--- /dev/null
+++ b/client/ui/snackbar.js
@@ -0,0 +1,3 @@
+export default function snackbar(text) {
+    $("#public_snackbar").text(text).get(0).open()
+}
\ No newline at end of file
