diff --git a/src/libs/html2json.js b/src/libs/html2json.js
index 05d0023..5d2162f 100644
--- a/src/libs/html2json.js
+++ b/src/libs/html2json.js
@@ -48,7 +48,7 @@ function trimHtml(html) {
 
 function getScreenInfo() {
   const screen = {};
-  wx.getSystemInfo({
+  mpvue.getSystemInfo({
     success: (res) => {
       screen.width = res.windowWidth;
       screen.height = res.windowHeight;