修复酷狗歌曲无封面时报错的问题

src/renderer/components/core/Player.vue

@@ -516,6 +516,7 @@ export default {
   transition: @transition-theme;
   transition-property: color;
   flex: none;
+  padding: 2px;
 
   svg {
     fill: currentColor;
@@ -525,7 +526,7 @@ export default {
     max-height: 100%;
     transition: @transition-theme;
     transition-property: border-color;
-    border: 2px solid @color-theme_2-background_1;
+    // border: 2px solid @color-theme_2-background_1;
   }
 }
 .right {
@@ -732,9 +733,9 @@ each(@themes, {
     }
     .left {
       color: ~'@{color-@{value}-theme}';
-      img {
-        border-color: ~'@{color-@{value}-theme_2-background_1}';
-      }
+      // img {
+      //   border-color: ~'@{color-@{value}-theme_2-background_1}';
+      // }
     }
     .play-btn {
       color: ~'@{color-@{value}-theme}';