diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index a6683d8c..f2d77bf7 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -31,7 +31,6 @@
 					"url": "{{ .Site.BaseURL }}"
 			}
 		</script>
-		<script src="/js/index.js"></script>
 
 		{{ range .AlternativeOutputFormats -}}
 		{{ printf `<link rel="%s" type="%s" href="%s" title="%s" />` .Rel .MediaType.Type .Permalink $.Site.Title | safeHTML }}
diff --git a/layouts/partials/star.html b/layouts/partials/star.html
index 71fbeaad..95c9c6c5 100644
--- a/layouts/partials/star.html
+++ b/layouts/partials/star.html
@@ -1 +1,2 @@
-<iframe src="https://card.syui.ai/planet?g=sun" allowfullscreen frameborder="0" style="width:95%;height:600px;"></iframe>
+<iframe src="https://card.syui.ai/planet" allowfullscreen frameborder="0" style="width:95%;height:600px;" id="planet"></iframe>
+<script src="/js/index.js"></script>
diff --git a/static/js/index.js b/static/js/index.js
index 52bbf6de..1b1a1ab3 100644
--- a/static/js/index.js
+++ b/static/js/index.js
@@ -10,3 +10,29 @@ function blog_list_open() {
 	}
 }
 
+function replace() {
+	const link = document.getElementById('planet');
+	const date = new Date();
+	const durl = 'https://card.syui.ai/planet';
+	let url;
+	let u = date.getSeconds().toString().substr(-1);
+	console.log(u);
+	switch (u) {
+		case '0':
+			url = durl + "?g=sun";
+			break;
+		case '1':
+			url = durl + "?g=galaxy";
+			break;
+		case '2':
+			url = durl + "?g=neutron";
+			break;
+		case '3':
+			url = durl + "?g=earth";
+			break;
+		default:
+			url = durl + "?g=moon";
+	}
+	link.setAttribute('src', url);
+}
+replace();