diff --git a/src/assets/img/yantai/login/bg.jpg b/src/assets/img/yantai/login/bg.jpg
index 595034d62..99e746c23 100644
Binary files a/src/assets/img/yantai/login/bg.jpg and b/src/assets/img/yantai/login/bg.jpg differ
diff --git a/src/assets/scss/pages/yantai-login.scss b/src/assets/scss/pages/yantai-login.scss
index 189e3f2b4..beb4978f9 100644
--- a/src/assets/scss/pages/yantai-login.scss
+++ b/src/assets/scss/pages/yantai-login.scss
@@ -13,7 +13,7 @@
         content: "";
     }
     &::before {
-        background-image: url(~@/assets/img/yantai/login/bg.png);
+        background-image: url(~@/assets/img/yantai/login/bg.jpg);
         background-size: cover;
     }
     &::after {