src/page/Home/Index/index.tsx

@@ -240,6 +240,7 @@ const Index: React.FC = () => {
                       <Popover
                         placement="bottom"
                         onOpenChange={(e: boolean) => {
+                          setBaseImage('')
                           if (e) {
                             GetQrcode(item.roomNum, import.meta.env.VITE_ENV === 'development' ? 'trial' : 'release').then(res => {
                               if (res.code === 200) {
@@ -249,12 +250,14 @@ const Index: React.FC = () => {
                           }
                         }}
                         content={
-                          <div>
+                          baseImage ? <div>
                             <img style={{ width: '200px', margin: '0 auto' }} src={`data:image/png;base64,${baseImage}`} alt="" />
                             <div style={{ color: 'white', textAlign: 'center', fontSize: '16px', marginTop: '10px' }}>
                               <span>微信中长按图片识别小程序码</span><br />
                               <span>加入会议</span>
                             </div>
+                          </div> : <div>
+                            <Empty description={'暂无二维码'} />
                           </div>
                         }
                       >