diff --git a/.idea/icon.png b/.idea/icon.png
index 6c7403d..7e7888f 100644
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diff --git a/img/shoulder_platform_svg_logo.svg b/img/shoulder_platform_svg_logo.svg
new file mode 100644
index 0000000..e5d046a
--- /dev/null
+++ b/img/shoulder_platform_svg_logo.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="220px" height="220px" style="shape-rendering:geometricPrecision; text-rendering:geometricPrecision; image-rendering:optimizeQuality; fill-rule:evenodd; clip-rule:evenodd" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <title>Shoulder Platform Logos and Graphics</title>
+    <!-- 顶层 -->
+    <g><path style="opacity:1" fill="#e2d872" d="M 168.5,28.5 C 172.967,28.1326 177.3,28.6326 181.5,30C 184.851,32.7932 185.018,35.9599 182,39.5C 170.82,54.675 155.987,64.175 137.5,68C 116.97,73.4171 96.8036,68.5838 77,68.5C 75.9326,67.8095 74.7659,67.3095 73.5,67C 74.0686,64.0971 75.7352,62.0971 78.5,61C 95.496,50.8373 113.496,42.8373 132.5,37C 144.776,32.7626 156.776,31.9292 168.5,28.5 Z"/></g>
+    <!-- 第4层 -->
+    <g><path style="opacity:1" fill="#badf6a" d="M 190.5,37.5 C 191.578,39.5394 192.578,41.706 193.5,44C 193.593,47.4433 194.593,49.9433 195.5,52.5C 194.5,53.8333 194.5,54.1667 194.5,54.5C 194.226,57.9772 194.226,58.8106 195.5,59.5C 195.935,61.2967 195.935,63.2967 195.5,65.5C 193.143,65.3367 190.81,65.5034 188.5,66C 176.204,69.5705 163.871,72.7371 151.5,75.5C 148.171,76 145.171,76.8819 142.5,77.5C 118.682,83.9376 95.6819,92.4376 73.5,103C 57.2524,112.713 43.0857,124.879 31,139.5C 23.8796,114.861 30.713,95.0278 51.5,80C 62.367,74.0857 74.0336,71.2524 86.5,71.5C 93.3727,71.2621 100.206,71.5955 107,72.5C 134.971,75.5672 158.805,67.2339 178.5,47.5C 182.186,43.6481 185.686,39.6481 189,35.5C 189.717,36.0442 190.217,36.7109 190.5,37.5 Z"/></g>
+    <!-- 第三层 -->
+    <g><path style="opacity:1" fill="#85cf66" d="M 196.5,71.5 C 196.216,73.4147 196.549,75.0813 197.5,76.5C 197.5,76.8333 197.5,77.1667 197.5,77.5C 196.761,77.369 196.094,77.5357 195.5,78C 196.992,79.9912 197.992,82.1578 198.5,84.5C 199.071,85.9733 199.071,87.64 198.5,89.5C 197.761,89.369 197.094,89.5357 196.5,90C 197.099,91.6225 197.766,93.1225 198.5,94.5C 198.64,96.1238 197.973,97.2904 196.5,98C 187.856,99.6958 179.189,101.196 170.5,102.5C 139.263,107.652 113.263,114.152 87.5,122C 75.2585,126.452 63.9251,132.452 53.5,140C 49.6449,143.855 45.8116,147.688 42,151.5C 38.9022,150.733 36.7356,148.9 35.5,146C 38.7185,140.405 42.5518,135.238 47,130.5C 61.2774,117.247 77.444,106.747 95.5,99C 128.401,87.1904 162.068,78.0238 196.5,71.5 Z"/></g>
+    <!-- 第二层 -->
+    <g><path style="opacity:1" fill="#6fa05f" d="M 197.8,104.5 C 199.279,105.735 198.612,106.735 197.8,107.5C 198.441,107.489 197.608,107.989 197.5,109C 199.381,112.761 197.714,116.594 197.5,120.5C 197.275,122.388 197.675,124.388 197.5,126.5C 175.82,127.702 156.82,131.702 138.5,138.5C 148.555,130.11 157.222,120.443 164.5,109.5C 175.452,107.508 186.452,105.841 197.5,104.5 Z"/></g>
+    <g><path style="opacity:1" fill="#6fa05f" d="M 155.5,111.5 C 151.794,116.718 147.127,121.051 141.5,124.5C 114.933,142.145 85.5992,150.145 53.5,148.5C 63.7583,139.44 75.425,132.606 88.5,128C 110.373,120.782 132.707,115.282 155.5,111.5 Z"/></g>
+    <g><path style="opacity:1" fill="#6fa05f" d="M 83.5,162.5 C 82.5,163.167 81.5,163.833 80.5,164.5C 78.5,165.5 76.5,166.5 54.5,169.5C 71.1673,164.297 77.1673,162.964 83.5,162.5 Z"/></g>
+    <!-- 最底层 -->
+    <g><path style="opacity:1" fill="#7c8f6a" d="M 109.5,163.5 C 106.097,163.851 102.763,164.518 99.5,165.5C 94.3045,167.053 88.9712,168.053 83.5,168.5C 83.5,167.167 83.5,165.833 85.5,164.5C 122.432,147.246 141.765,140.079 161.5,135C 183.155,131.501 187.821,131.334 192.5,131.5C 192.953,135.426 191.62,138.592 188.5,141C 178.02,148.737 166.353,154.07 153.5,157C 138.856,159.401 124.189,161.568 109.5,163.5 Z"/></g>
+    <!-- 树枝 -->
+    <g><path style="opacity:1" fill="#119900" d="M 167,103.1 C 165.833,103.3 167.167,103 160,104.3C 165.904,100.0352 172,92.3685 173,88.5C 172,94.5 168.942,99.6781 167,103.1 Z"/></g>
+    <g><path style="opacity:1" fill="#119900" d="M 164.5,109.5 C 157.222,120.443 148.555,130.11 138.5,138.5C 125.66,141.929 113.327,146.595 101.5,152.5C 95.3725,155.649 89.3725,158.983 83.5,162.5C 47.5,173.167 45,172.833 44.5,172.5C 47.498,168.181 48.1646,163.514 46.5,158.5C 48.5,158.5 47.5,158.5 46.5,158.5C 48.0621,154.608 50.3954,151.275 53.5,148.5C 85.5992,150.145 114.933,142.145 141.5,124.5C 147.127,121.051 151.794,116.718 155.5,111.5C 158.273,110.343 161.273,109.676 164.5,109.5 Z"/></g>
+    <!-- 左下圆圈 -->
+    <circle cx="28" cy="165" r="12" fill="#119900" />
+</svg>
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diff --git a/img/spring-swing-colorful.png b/img/spring-swing-colorful.png
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diff --git a/img/spring-swing-colorful.psd b/img/spring-swing-colorful.psd
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