M2 ee2.2.7后台form一直加载不出来的问题。

我通过ui component的方式创建了一个后台的form，页面刷新后加载了input元素，但是没有数据，界面一直存在一个加载图标。如下图：

分别是两个创建和修改的layout文件内容以及ui component文件内容。我尝试从magento已有的文件copy过来修改，以及网上很多版本，都无法正确加载

ui-component代码

    
        
            categoryurlrewrite_index_view.categoryurlrewrite_index_view_data_source
        
        categoryurlrewrite_index_view
        Rewrite Information
        templates/form/collapsible
    
    
        
            
            
            
        
        data
        
            categoryurlrewrite_index_view.categoryurlrewrite_index_view_data_source
        
    
    
        
            
                Magento_Ui/js/form/provider
            
        
        
            
        
        
            
                id
                id
            
        
    
    
        
            
        
        
            
                
                    categorydata
                
            
            
                text
                false
                id
            
        
        
            
                
                    categorydata
                
            
            
                
                    true
                
                text
                Category Id
                category_id
            
        
        
            
                
                    categorydata
                    1
                
            
            
                boolean
                Is Active
                active
            
            
                
                    
                        
                            0
                            1
                        
                        toggle
                    
                
            
        
        
            
                
                    categorydata
                
            
            
                
                    true
                
                text
                CMS Page Id
                cms_id
            
        
    

dataprovider里面数据返回是正常的

。button类也是正常的

PS:问题已经解决了，还是因为自己太粗心导致的。xml里面应该是form 而不是listing

然后dataprovider应该更改继承：