runtime-core.esm-bundler.js:38 [Vue warn]: Unhandled error during execution of native event handler 

  at <ElRadioButton label="显示A信息" onClick=fn<handleShowBuilding> > 

  at <ElRadioGroup modelValue="显示B信息" onUpdate:modelValue=fn > 

  at <Item style= {paddingBottom: '0px', marginRight: '8px'} prefixCls=undefined key="LoopKey1" > 

  at <ElSpace key=0 > 

  at <ElCol class="buildingpanel" > 

  at <ElRow> 

  at <ElHeader> 

  at <ElContainer key="condo" > 

  at <ElContainer> 

  at <GridIndex onVnodeUnmounted=fn<onVnodeUnmounted> ref=Ref< Proxy {__v_skip: true} > key="/village/desktop/gridindex" > 

  at <KeepAlive include= (2) ['Index', 'Gridindex'] > 

  at <BaseTransition mode="out-in" appear=false persisted=false  ... > 

  at <Transition name="fade-transform" mode="out-in" > 

  at <RouterView> 

  at <AppMain> 

  at <Index onVnodeUnmounted=fn<onVnodeUnmounted> ref=Ref< Proxy {__v_skip: true} > > 

  at <RouterView> 

  at <App>

@click方法如果要添加至组件上，需要加上native，等同于在子组件中，子组件内部处理click事件然后向外发送click事件：$emit(“click”.fn)，@click.native会触发两次click事件，原因是el-radio-button是封装过的，由input和label标签组成，在这个组件上添加单纯的click事件，所以会触发两个组件的click；所以你需要在你的方法中添加event参数，跟参数的值判断哪次点击生效，从而避免其中请求会请求两次的问题。