diff --git a/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate b/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate
index 3ed85bf..2d93018 100644
Binary files a/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate and b/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/Contents.json b/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/Contents.json
index 573638a..31fed33 100644
--- a/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/Contents.json
+++ b/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/Contents.json
@@ -5,12 +5,12 @@
       "scale" : "1x"
     },
     {
-      "filename" : "编组 6.png",
+      "filename" : "launch@3x.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "filename" : "编组 5.png",
+      "filename" : "launch@3x 1.png",
       "idiom" : "universal",
       "scale" : "3x"
     }
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/launch@3x 1.png b/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/launch@3x 1.png
new file mode 100644
index 0000000..26d545b
Binary files /dev/null and b/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/launch@3x 1.png differ
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/launch@3x.png b/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/launch@3x.png
new file mode 100644
index 0000000..26d545b
Binary files /dev/null and b/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/launch@3x.png differ
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/编组 5.png b/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/编组 5.png
deleted file mode 100644
index bda1291..0000000
Binary files a/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/编组 5.png and /dev/null differ
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/编组 6.png b/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/编组 6.png
deleted file mode 100644
index bda1291..0000000
Binary files a/SwiftProject/SwiftProject/Assets.xcassets/externalScreenBg.imageset/编组 6.png and /dev/null differ
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/Contents.json b/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/Contents.json
index b2941fb..1a19b54 100644
--- a/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/Contents.json
+++ b/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/Contents.json
@@ -1,17 +1,17 @@
 {
   "images" : [
     {
-      "filename" : "launch.png",
+      "filename" : "launch@3x 2.png",
       "idiom" : "universal",
       "scale" : "1x"
     },
     {
-      "filename" : "launch 1.png",
+      "filename" : "launch@3x 1.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "filename" : "launch 2.png",
+      "filename" : "launch@3x.png",
       "idiom" : "universal",
       "scale" : "3x"
     }
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch 1.png b/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch 1.png
deleted file mode 100644
index 9910cf0..0000000
Binary files a/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch 1.png and /dev/null differ
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch 2.png b/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch 2.png
deleted file mode 100644
index 9910cf0..0000000
Binary files a/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch 2.png and /dev/null differ
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch.png b/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch.png
deleted file mode 100644
index 9910cf0..0000000
Binary files a/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch.png and /dev/null differ
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch@3x 1.png b/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch@3x 1.png
new file mode 100644
index 0000000..26d545b
Binary files /dev/null and b/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch@3x 1.png differ
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch@3x 2.png b/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch@3x 2.png
new file mode 100644
index 0000000..26d545b
Binary files /dev/null and b/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch@3x 2.png differ
diff --git a/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch@3x.png b/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch@3x.png
new file mode 100644
index 0000000..26d545b
Binary files /dev/null and b/SwiftProject/SwiftProject/Assets.xcassets/loading.imageset/launch@3x.png differ
diff --git a/SwiftProject/SwiftProject/Base.lproj/LaunchScreen.storyboard b/SwiftProject/SwiftProject/Base.lproj/LaunchScreen.storyboard
index a023a43..d51e4f9 100644
--- a/SwiftProject/SwiftProject/Base.lproj/LaunchScreen.storyboard
+++ b/SwiftProject/SwiftProject/Base.lproj/LaunchScreen.storyboard
@@ -36,7 +36,7 @@
         </scene>
     </scenes>
     <resources>
-        <image name="loading" width="131" height="284"/>
+        <image name="loading" width="1179" height="2556"/>
         <systemColor name="systemBackgroundColor">
             <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
         </systemColor>