chore: blur clear

Author: zombieJ

assets/patch.less

@@ -4,6 +4,7 @@
 .@{select-prefix}.@{select-prefix} {
   display: inline-flex;
   align-items: center;
+  user-select: none;
 
   // Content 部分自动占据剩余宽度
   .@{select-prefix}-content {