KindEditor 无法设置内容解决办法

看到很多人编辑器无法设置内容。把解决的问题写在上面。
不能用$("#Editor_XieYiNeiRong").html("helllo"); 或则$("#Editor_XieYiNeiRong").val("helllo"); 等形式。
希望能帮助到你。
 
editor_Editor_XieYiNeiRong.html(unescape(data[0].协议内容));
变量设置如下
var editor_Editor_XieYiNeiRong;
KindEditor.ready(function(K) {
     editor_Editor_XieYiNeiRong = K.create('#Editor_XieYiNeiRong', {
     cssPath: '/kindeditor/plugins/code/prettify.css',
     uploadJson: urluploadimg, //'/ajax/UploadHandlerPhoto.aspx',  // '/ajax/upload_json.ashx',处理图片的程序
     fileManagerJson: '/ajax/file_manager_json.ashx',
     allowFileManager: false,//true
     filterMode: true,
     urlType: "",
     afterCreate: function() {
                                        var self = this;
                                        K.ctrl(document, 13, function() {
                                            self.sync();
                                            K('form[name=fm_Editor_XieYiNeiRong]')[0].submit();
                                        });
     K.ctrl(self.edit.doc, 13, function() {
         self.sync();
         K('form[name=fm_Editor_XieYiNeiRong]')[0].submit();
     });
   },
   afterLoginOut: function() {
     parent.loginagin();
   }
});
    prettyPrint();
});

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