替换留言页图片，优化小船消失动画

Author: SunQQQ

package.json

@@ -16,6 +16,7 @@
     "less": "3.8.1",
     "less-loader": "4.1.0",
     "marked": "0.5.2",
+    "npm": "^8.19.2",
     "vue": "2.5.17",
     "vue-canvas-nest": "2.0.0",
     "vue-particles": "1.0.9",

src/components/MainPage/MessageBoard.vue

@@ -717,14 +717,14 @@ export default {
     animation-delay: 2s;
     -webkit-animation-delay: 2s;
     width: 62vh;
-    height: 16vh;
+    height: 32vh;
   }
 
   // 船缩小的动画
   @keyframes boatSmall{
     0% {
       width: 62vh;
-      height: 16vh;
+      height: 32vh;
       opacity: 1;
     }
     100% {