diff --git a/v3/css/index.css b/v3/css/index.css
index c94d8a4..3520ec3 100644
--- a/v3/css/index.css
+++ b/v3/css/index.css
@@ -25,14 +25,19 @@
   src: url("../font/Yozai-Regular.ttf") format("truetype");
 }
 
+@font-face {
+  font-family: "HYTMR";
+  src: url("https://npm.elemecdn.com/fontcdn-ariasaka@1.0.0/HYTangMeiRen55W.woff2") format("woff2");
+}
+
 /** 背景 */
 body::before {
   content: "";
   position: fixed;
   top: 0;
   left: 0;
-  width: 100%;
-  height: 100%;
+  width: 100vw;
+  height: 100vh;
   background-position: center;
   background-attachment: fixed;
   background-size: cover;