diff --git a/ylgamehall/Base.lproj/LaunchScreen.storyboard b/ylgamehall/Base.lproj/LaunchScreen.storyboard
index 206ab88..520e9d8 100644
--- a/ylgamehall/Base.lproj/LaunchScreen.storyboard
+++ b/ylgamehall/Base.lproj/LaunchScreen.storyboard
@@ -15,7 +15,7 @@
                         <rect key="frame" x="0.0" y="0.0" width="852" height="393"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" image="SplashImage" translatesAutoresizingMaskIntoConstraints="NO" id="ImgV-Sp-1ab">
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" image="SplashImage" translatesAutoresizingMaskIntoConstraints="NO" id="ImgV-Sp-1ab">
                                 <rect key="frame" x="0.0" y="0.0" width="852" height="393"/>
                             </imageView>
                         </subviews>
diff --git a/ylgamehall/Source/WebView/SubGameViewController.swift b/ylgamehall/Source/WebView/SubGameViewController.swift
index 77f5feb..b5608ee 100644
--- a/ylgamehall/Source/WebView/SubGameViewController.swift
+++ b/ylgamehall/Source/WebView/SubGameViewController.swift
@@ -310,7 +310,9 @@ private final class SplashOverlay: UIView {
         super.init(frame: .zero)
         backgroundColor = .black
 
-        imageView.contentMode = .scaleAspectFit
+        // scaleAspectFill：与 LaunchScreen / WebContainer splash 同款全屏覆盖策略
+        // （现代 iPhone 横屏 19.5:9 比 16:9 素材更宽，scaleAspectFit 会左右补大黑边）
+        imageView.contentMode = .scaleAspectFill
         imageView.image = UIImage(named: "SplashImage")
         imageView.clipsToBounds = true
         imageView.translatesAutoresizingMaskIntoConstraints = false
diff --git a/ylgamehall/Source/WebView/WebContainerViewController.swift b/ylgamehall/Source/WebView/WebContainerViewController.swift
index c205790..2690436 100644
--- a/ylgamehall/Source/WebView/WebContainerViewController.swift
+++ b/ylgamehall/Source/WebView/WebContainerViewController.swift
@@ -630,11 +630,13 @@ private final class SplashOverlay: UIView {
         super.init(frame: .zero)
         backgroundColor = .black
 
-        // 与 LaunchScreen.storyboard 同款 contentMode：素材是 1136×640 横屏画面，
-        // 在更宽的现代横屏设备上用 scaleAspectFit 左右补黑边（黑底统一），
-        // 避免 scaleAspectFill 把 logo 上下裁切；同时确保 LaunchScreen → WebContainer
-        // 视觉过渡时不出现裁切方式跳变。
-        imageView.contentMode = .scaleAspectFit
+        // 与 LaunchScreen.storyboard 同款 contentMode = scaleAspectFill：
+        // 素材是 1136×640（16:9）横屏画面，现代 iPhone 横屏约 19.5:9 比 16:9 更宽，
+        // scaleAspectFill 高度撑满 + 宽度按比例放大→左右轻微裁切；启动图左右是空白底色，
+        // logo + 文字主体居中可见，裁切无影响。
+        // 等价 daoqi msext LaunchImage Asset Catalog 时代「启动图覆盖整屏」的体感，
+        // 避免 scaleAspectFit 在现代屏左右补大黑边。
+        imageView.contentMode = .scaleAspectFill
         imageView.image = UIImage(named: "SplashImage")
         imageView.clipsToBounds = true
         imageView.translatesAutoresizingMaskIntoConstraints = false