新增所需资源，修改优化文档

Resources/Images.xcassets/AppIcon-1.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "20x20"
+    },
+    {
+      "filename" : "AppIcon-129x29.png",
+      "idiom" : "iphone",
+      "scale" : "1x",
+      "size" : "29x29"
+    },
+    {
+      "filename" : "AppIcon-129x29@2x.png",
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "29x29"
+    },
+    {
+      "filename" : "AppIcon-129x29@3x.png",
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "29x29"
+    },
+    {
+      "filename" : "AppIcon-140x40@2x.png",
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "filename" : "AppIcon-140x40@3x.png",
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "40x40"
+    },
+    {
+      "filename" : "AppIcon-157x57.png",
+      "idiom" : "iphone",
+      "scale" : "1x",
+      "size" : "57x57"
+    },
+    {
+      "filename" : "AppIcon-157x57@2x.png",
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "57x57"
+    },
+    {
+      "filename" : "AppIcon-160x60@2x.png",
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "60x60"
+    },
+    {
+      "filename" : "AppIcon-160x60@3x.png",
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "scale" : "1x",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Resources/Images.xcassets/Contents.json

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+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Resources/Images.xcassets/LaunchImage-1.launchimage/Contents.json

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+{
+  "images" : [
+    {
+      "extent" : "full-screen",
+      "filename" : "LaunchImage-1-1100-Portrait-2436h@3x.png",
+      "idiom" : "iphone",
+      "minimum-system-version" : "11.0",
+      "orientation" : "portrait",
+      "scale" : "3x",
+      "subtype" : "2436h"
+    },
+    {
+      "extent" : "full-screen",
+      "filename" : "LaunchImage-1-800-Portrait-736h@3x.png",
+      "idiom" : "iphone",
+      "minimum-system-version" : "8.0",
+      "orientation" : "portrait",
+      "scale" : "3x",
+      "subtype" : "736h"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "iphone",
+      "minimum-system-version" : "8.0",
+      "orientation" : "landscape",
+      "scale" : "3x",
+      "subtype" : "736h"
+    },
+    {
+      "extent" : "full-screen",
+      "filename" : "LaunchImage-1-800-667h@2x.png",
+      "idiom" : "iphone",
+      "minimum-system-version" : "8.0",
+      "orientation" : "portrait",
+      "scale" : "2x",
+      "subtype" : "667h"
+    },
+    {
+      "extent" : "full-screen",
+      "filename" : "LaunchImage-1@2x.png",
+      "idiom" : "iphone",
+      "minimum-system-version" : "7.0",
+      "orientation" : "portrait",
+      "scale" : "2x"
+    },
+    {
+      "extent" : "full-screen",
+      "filename" : "LaunchImage-1-700-568h@2x.png",
+      "idiom" : "iphone",
+      "minimum-system-version" : "7.0",
+      "orientation" : "portrait",
+      "scale" : "2x",
+      "subtype" : "retina4"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "ipad",
+      "minimum-system-version" : "7.0",
+      "orientation" : "portrait",
+      "scale" : "1x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "ipad",
+      "minimum-system-version" : "7.0",
+      "orientation" : "landscape",
+      "scale" : "1x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "ipad",
+      "minimum-system-version" : "7.0",
+      "orientation" : "portrait",
+      "scale" : "2x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "ipad",
+      "minimum-system-version" : "7.0",
+      "orientation" : "landscape",
+      "scale" : "2x"
+    },
+    {
+      "extent" : "full-screen",
+      "filename" : "LaunchImage-1.png",
+      "idiom" : "iphone",
+      "orientation" : "portrait",
+      "scale" : "1x"
+    },
+    {
+      "extent" : "full-screen",
+      "filename" : "LaunchImage-1@2x 1.png",
+      "idiom" : "iphone",
+      "orientation" : "portrait",
+      "scale" : "2x"
+    },
+    {
+      "extent" : "full-screen",
+      "filename" : "LaunchImage-1-568h@2x.png",
+      "idiom" : "iphone",
+      "orientation" : "portrait",
+      "scale" : "2x",
+      "subtype" : "retina4"
+    },
+    {
+      "extent" : "to-status-bar",
+      "idiom" : "ipad",
+      "orientation" : "portrait",
+      "scale" : "1x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "ipad",
+      "orientation" : "portrait",
+      "scale" : "1x"
+    },
+    {
+      "extent" : "to-status-bar",
+      "idiom" : "ipad",
+      "orientation" : "landscape",
+      "scale" : "1x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "ipad",
+      "orientation" : "landscape",
+      "scale" : "1x"
+    },
+    {
+      "extent" : "to-status-bar",
+      "idiom" : "ipad",
+      "orientation" : "portrait",
+      "scale" : "2x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "ipad",
+      "orientation" : "portrait",
+      "scale" : "2x"
+    },
+    {
+      "extent" : "to-status-bar",
+      "idiom" : "ipad",
+      "orientation" : "landscape",
+      "scale" : "2x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "ipad",
+      "orientation" : "landscape",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Resources/Images.xcassets/shareDouyin.imageset/Contents.json

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+{
+  "images" : [
+    {
+      "filename" : "shareDouyin.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "shareDouyin@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "shareDouyin@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Resources/Images.xcassets/shareQQ.imageset/Contents.json

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+{
+  "images" : [
+    {
+      "filename" : "shareQQ.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "shareQQ@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "shareQQ@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Resources/Images.xcassets/shareWechat.imageset/Contents.json

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+{
+  "images" : [
+    {
+      "filename" : "shareWechat.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "shareWechat@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "shareWechat@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}