解决class被删除问题

wysiwyg/config.js

@@ -20,6 +20,7 @@ CKEDITOR.editorConfig = function( config ) {
 	config.toolbarCanCollapse = false;
 	config.scayt_autoStartup = true;
 	config.enterMode = CKEDITOR.ENTER_BR;
+	config.allowedContent = true;
 	config.toolbarGroups = [
 			{ name: 'document', groups: [ 'Print'] },
 			{ name: 'undo', groups: [ 'Undo', 'Redo', ] },