diff --git a/packages/uni-app-plus-nvue/dist/service.legacy.js b/packages/uni-app-plus-nvue/dist/service.legacy.js
index c7c58c265207442f9aa76b668aa1e1100cdcdd3c..d999c3c9e24d51f1edb0a1ff84e946efdb5c751a 100644
--- a/packages/uni-app-plus-nvue/dist/service.legacy.js
+++ b/packages/uni-app-plus-nvue/dist/service.legacy.js
@@ -192,6 +192,8 @@ function initSubNVue (nvue, plus, BroadcastChannel) {
   let origin;
 
   const onMessageCallbacks = [];
+
+  const postMessage = nvue.requireModule('plus').postMessage;
 
   const onSubNVueMessage = function onSubNVueMessage (data) {
     onMessageCallbacks.forEach(callback => callback({
@@ -231,7 +233,7 @@ function initSubNVue (nvue, plus, BroadcastChannel) {
           to: isPopupNVue ? hostNVueId : popupNVueId
         });
       } else {
-        plus.postMessage({
+        postMessage({
           type: 'UniAppSubNVue',
           data: data
         }, UNIAPP_SERVICE_NVUE_ID);
diff --git a/src/platforms/app-plus-nvue/services/api/sub-nvue.js b/src/platforms/app-plus-nvue/services/api/sub-nvue.js
index c17ba80a10d09040f4cb070ee3f5606f39b2dd8c..a242251d920684fc3e99187356fbe9bdcc864a04 100644
--- a/src/platforms/app-plus-nvue/services/api/sub-nvue.js
+++ b/src/platforms/app-plus-nvue/services/api/sub-nvue.js
@@ -8,7 +8,7 @@ export function initSubNVue (nvue, plus, BroadcastChannel) {
   const onMessageCallbacks = []
 
   const postMessage = nvue.requireModule('plus').postMessage
-  
+
   const onSubNVueMessage = function onSubNVueMessage (data) {
     onMessageCallbacks.forEach(callback => callback({
       origin,