also change meta tag theme-color

index.html

@@ -5,8 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
     <link rel="icon" type="image/svg+xml" href="/icon.svg" />
-    <link rel="mask-icon" href="/safari-pinned-tab.svg" color="#5bbad5">
-    <meta name="theme-color" content="#5cdd8b"/>
+    <meta name="theme-color" id="theme-color" content="" />
     <meta name="description" content="Uptime Kuma monitoring tool" />
     <title>Uptime Kuma</title>
 </head>

src/mixins/theme.js

@@ -14,6 +14,7 @@ export default {
         }
 
         document.body.classList.add(this.theme);
+        this.updateThemeColorMeta();
     },
 
     computed: {
@@ -33,6 +34,17 @@ export default {
         theme(to, from) {
             document.body.classList.remove(from);
             document.body.classList.add(this.theme);
+            this.updateThemeColorMeta();
+        }
+    },
+
+    methods: {
+        updateThemeColorMeta() {
+            if (this.theme === "dark") {
+                document.querySelector("#theme-color").setAttribute("content", "#161B22");
+            } else {
+                document.querySelector("#theme-color").setAttribute("content", "#5cdd8b");
+            }
         }
     }
 }