diff --git a/public/battle-background.jpg b/public/battle-background.jpg
index 9ed65aa..6ddf2a5 100644
Binary files a/public/battle-background.jpg and b/public/battle-background.jpg differ
diff --git a/src/style.css b/src/style.css
index 2f5dcf6..66dced9 100644
--- a/src/style.css
+++ b/src/style.css
@@ -5,6 +5,13 @@
   box-sizing: border-box;
 }
 
+/* 图片预加载 - 提升移动端加载性能 */
+body::before {
+  content: "";
+  display: none;
+  background-image: url(/battle-background.jpg);
+}
+
 /* 根元素样式 */
 :root {
   /* 王者荣耀风格字体 - 使用系统默认字体但设置更多样化 */
@@ -528,14 +535,15 @@ table {
     font-size: 14px;
   }
   
-  /* 移动端body不设置任何背景相关属性 */
+  /* 移动端背景图片优化：保留图片但优化加载性能 */
   html, body {
-    background: none !important;
-    background-image: none !important;
-    background-color: var(--dark-color) !important;
-    background-size: auto !important;
-    background-position: static !important;
-    background-repeat: repeat !important;
+    background-color: var(--dark-color);
+    background-image: url(/battle-background.jpg);
+    background-size: cover;
+    background-position: center;
+    background-repeat: no-repeat;
+    background-attachment: scroll;
+    /* 预加载优化 */
     background-attachment: scroll !important;
   }
 
@@ -548,6 +556,16 @@ table {
   :root {
     font-size: 13px;
   }
+  
+  /* 小屏幕手机背景图片优化 */
+  html, body {
+    background-color: var(--dark-color);
+    background-image: url(/battle-background.jpg);
+    background-size: cover;
+    background-position: center;
+    background-repeat: no-repeat;
+    background-attachment: scroll;
+  }
 
   .content-container {
     padding: 0;