diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index 979db64..154003e 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -1852,7 +1852,6 @@ const Meeting: React.FC = () => {
   }
   // 分享屏幕
   const clickSharedScreen = async (): Promise<void> => {
-    let data = sharedScreenList.find((item: any) => item.sourceId === sharedScreenItem.sourceId)
     const elements = document.querySelectorAll('.intersectionObserver-view');
     if (elements.length) {
       elements.forEach(item => {
@@ -1862,34 +1861,30 @@ const Meeting: React.FC = () => {
       });
       agora.setSubscribeVideoBlocklist([Number(user.screenShareId)], 1)
     }
-    if (data) {
-      GetRoomRtcToken(state.channelId).then(async res => {
-        if (res.code === 200) {
-          await agora.destroyRendererByView(`video-source-camera-primary`)
-          await agora.destroyRendererByView(`video-source-screen`)
-          await agora.destroyRendererByView(`video-source-remote-screen`)
-          await agora.destroyRendererByView(`video-source-remote-camera`)
-          const footerListTemplate = [...footerList]
-          footerListTemplate[footerListIndex.itemIndex][footerListIndex.rowIndex].title = '停止共享'
-          setIsSharedScreenModal(false)
-          await agora.setDesktopCapturerVideo(sharedScreenItem, isComputerAudio, isFluencyPriority, res.data)
-          await allUserLook(user.screenShareId, user.userName)
-          const isOpen = await getKeyOpenChildWindow('shareScreenWindow')
-          setIsScreenCapture(true)
-          if (!isOpen) {
-            window.electron.createChildWindow('show')
-            setKeyOpenChildWindow('shareScreenWindow', true)
-            window.electron.setMainWindowSize({
-              width: 250,
-              height: 160,
-            })
-            window.electron.setPosition('right')
-          }
+    GetRoomRtcToken(state.channelId).then(async res => {
+      if (res.code === 200) {
+        await agora.destroyRendererByView(`video-source-camera-primary`)
+        await agora.destroyRendererByView(`video-source-screen`)
+        await agora.destroyRendererByView(`video-source-remote-screen`)
+        await agora.destroyRendererByView(`video-source-remote-camera`)
+        const footerListTemplate = [...footerList]
+        footerListTemplate[footerListIndex.itemIndex][footerListIndex.rowIndex].title = '停止共享'
+        setIsSharedScreenModal(false)
+        await agora.setDesktopCapturerVideo(sharedScreenItem, isComputerAudio, isFluencyPriority, res.data)
+        await allUserLook(user.screenShareId, user.userName)
+        const isOpen = await getKeyOpenChildWindow('shareScreenWindow')
+        setIsScreenCapture(true)
+        if (!isOpen) {
+          window.electron.createChildWindow('show')
+          setKeyOpenChildWindow('shareScreenWindow', true)
+          window.electron.setMainWindowSize({
+            width: 250,
+            height: 160,
+          })
+          window.electron.setPosition('right')
         }
-      })
-    } else {
-      message.error('请选择应用!')
-    }
+      }
+    })
   }
   // 获取桌面可共享屏幕的引用
   const getDesktopCapturerVideo = (): void => {
@@ -3275,12 +3270,17 @@ const Meeting: React.FC = () => {
                 description={`这将停止[${isShareUser?.userName}]的共享，是否继续？`}
                 open={isSharePopConfirm}
                 onConfirm={async () => {
-                  PostSharedScreen(state.channelId).then(res => {
-                    if (res.code === 200) {
-                      setIsSharePopConfirm(false)
-                      clickSharedScreen()
-                    }
-                  })
+                  let data = sharedScreenList.find((item: any) => item.sourceId === sharedScreenItem.sourceId)
+                  if (data) {
+                    PostSharedScreen(state.channelId).then(res => {
+                      if (res.code === 200) {
+                        setIsSharePopConfirm(false)
+                        clickSharedScreen()
+                      }
+                    })
+                  } else {
+                    message.error('请选择应用!')
+                  }
                 }}
                 onCancel={() => {
                   setIsSharePopConfirm(false)
@@ -3293,11 +3293,16 @@ const Meeting: React.FC = () => {
                 }}>共享</Button>
               </Popconfirm> :
                 <Button type="primary" className='m-ant-btn' onClick={() => {
-                  PostSharedScreen(state.channelId).then(res => {
-                    if (res.code === 200) {
-                      clickSharedScreen()
-                    }
-                  })
+                  let data = sharedScreenList.find((item: any) => item.sourceId === sharedScreenItem.sourceId)
+                  if (data) {
+                    PostSharedScreen(state.channelId).then(res => {
+                      if (res.code === 200) {
+                        clickSharedScreen()
+                      }
+                    })
+                  } else {
+                    message.error('请选择应用!')
+                  }
                 }}>共享</Button>
               }
             </div>