diff --git a/src/platforms/app-plus/view/components/picker/page.js b/src/platforms/app-plus/view/components/picker/page.js
index c2f12d30c12c7c69137c564542b1c78a4767e2ad..556a294a1b73df8800a5312ca78445b7aa332420 100644
--- a/src/platforms/app-plus/view/components/picker/page.js
+++ b/src/platforms/app-plus/view/components/picker/page.js
@@ -46,14 +46,14 @@ function addEventListener (pageId, callback) {
 class Page {
   constructor (webview) {
     this.webview = webview
-  }
+  }
 
   sendMessage (data) {
-    const message = {
+    const message = JSON.parse(JSON.stringify(({
       __message: {
         data
       }
-    }
+    })))
     const id = this.webview.id
     if (BroadcastChannel_) {
       const channel = new BroadcastChannel_(id)
@@ -61,7 +61,7 @@ class Page {
     } else {
       plus_.webview.postMessageToUniNView(message, id)
     }
-  }
+  }
 
   close () {
     this.webview.close()