diff --git a/src/platforms/app-plus/service/api/plugin/sub-nvue.js b/src/platforms/app-plus/service/api/plugin/sub-nvue.js
index 3d710f7a37928fdf11b5612811cbf54de64fbcf5..f398d6f1165cde13f9cc0cc88fa8f7e6f959f7a0 100644
--- a/src/platforms/app-plus/service/api/plugin/sub-nvue.js
+++ b/src/platforms/app-plus/service/api/plugin/sub-nvue.js
@@ -62,7 +62,10 @@ function wrapper (webview) {
 }
 
 export function getSubNVueById (id) {
-  const webview = plus.webview.getWebviewById(id)
+  const webview = plus.webview.getWebviewById(id)
+  if (webview === null || webview === undefined) {
+    throw new Error('Unable to find SubNVue, id=' + id)
+  }
   if (webview && !webview.$processed) {
     wrapper(webview)
   }