diff --git a/pages/form/index.ts b/pages/form/index.ts
index 5d7ae3d..ca7ce69 100644
--- a/pages/form/index.ts
+++ b/pages/form/index.ts
@@ -16,6 +16,19 @@ Page({
     code: ''
   },
   onShow() {
+    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 () {
+          wx.exitMiniProgram && wx.exitMiniProgram();
+        }
+      });
+      return
+    }
     wx.hideLoading()
     const that = this;
     onStop()
@@ -193,19 +206,6 @@ 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