fix(select) #375 (#377)

Co-authored-by: summer <[email protected]>

packages/semi-foundation/select/select.scss

@@ -1,7 +1,7 @@
 //@import '../theme/variables.scss';
+@import './option.scss';
 @import './variables.scss';
 @import './mixin.scss';
-@import './option.scss';
 
 $module: #{$prefix}-select;
 $single: #{$module}-single;