添加当浏览器失去焦点时选区消失

src/core/minder.event.js

@@ -16,6 +16,7 @@ kity.extendClass( Minder, {
         this._paper.on( 'click dblclick mousedown contextmenu mouseup mousemove mousewheel DOMMouseScroll touchstart touchmove touchend', this._firePharse.bind( this ) );
         if ( window ) {
             window.addEventListener( 'resize', this._firePharse.bind( this ) );
+            window.addEventListener( 'blur', this._firePharse.bind( this ) );
         }
     },
     _bindKeyboardEvents: function () {

src/module/editor.js

@@ -195,6 +195,9 @@ KityMinder.registerModule( "TextEditModule", function () {
             'selectionclear':function(){
                 km.setStatus('normal');
                 receiver.setTextEditStatus(false).clear()
+            },
+            blur:function(){
+                receiver.clear()
             }
         }
     };