优化了 checkbox 的动画, 使其更流畅一些

style/components/checkbox.less

@@ -30,7 +30,7 @@
       border-top: 0;
       border-left: 0;
       content: ' ';
-      transition: all .3s @ease-in-back ;
+      transition: all .1s @ease-in-back;
     }
 
     position: relative;
@@ -44,7 +44,7 @@
     border-radius: 3px;
     border-color: #d9d9d9;
     background-color: #ffffff;
-    transition: border-color 0.3s @ease-in-out-back, background-color 0.3s @ease-in-out-back;
+    transition: border-color 0.1s @ease-in-out-back, background-color 0.1s @ease-in-out-back;
   }
 
   &-input {
@@ -84,7 +84,7 @@
       border-top: 0;
       border-left: 0;
       content: ' ';
-      transition: all .3s @ease-out-back .2s;
+      transition: all .2s @ease-out-back .1s;
     }
   }
 }