diff --git a/pages/form/index.ts b/pages/form/index.ts
index 2db8d1d..5d7ae3d 100644
--- a/pages/form/index.ts
+++ b/pages/form/index.ts
@@ -193,6 +193,19 @@ Page({
     })
   },
   joinMeeting() {
+    const deviceInfo = wx.getDeviceInfo()
+    if(deviceInfo && (deviceInfo.platform === 'windows' || deviceInfo.platform === 'mac')){
+      wx.showModal({
+        title: '提示',
+        content: '当前仅支持移动端使用，PC端无法使用。',
+        showCancel: false,
+        confirmText: '我知道了',
+        success: function () {
+         
+        }
+      });
+      return
+    }
     this.closeDialog()
     if (this.data.isJoin) {
       return
diff --git a/project.private.config.json b/project.private.config.json
index d03c56f..96a5465 100644
--- a/project.private.config.json
+++ b/project.private.config.json
@@ -5,5 +5,5 @@
         "compileHotReLoad": true,
         "urlCheck": true
     },
-    "libVersion": "3.6.5"
+    "libVersion": "3.8.8"
 }
\ No newline at end of file