diff --git a/src/Add-on/Erp/ErpView.tsx b/src/Add-on/Erp/ErpView.tsx
index 064422589..fff8b7f9b 100644
--- a/src/Add-on/Erp/ErpView.tsx
+++ b/src/Add-on/Erp/ErpView.tsx
@@ -22,6 +22,7 @@ interface ErpViewProp
 }
 export class ErpView extends React.Component<ErpViewProp, {}> {
     iframe: React.RefObject<HTMLIFrameElement>;
+    private appLoaded: boolean = false; // todo: iframe onload 移除后弃用此属性
     constructor(props)
     {
         super(props);
@@ -40,6 +41,7 @@ export class ErpView extends React.Component<ErpViewProp, {}> {
         );
         channel.port1.onmessage = (e: MessageEvent) =>
         {
+            this.appLoaded = true;
             let data = e.data;
             let result: { blockList: OrderDataBlock[], objectList: OrderDataObject[]; };
             switch (data.command)
@@ -57,6 +59,7 @@ export class ErpView extends React.Component<ErpViewProp, {}> {
     };
     iframeLoaded = () =>
     {
+        // console.log('iframeLoaded');
         let fileName = FileServer.GetInstance().currentFileInfo.name;
         let option = Object.assign({}, userConfig.chaidanOption);
         let singleData = { session: this.props.session, cadData: this.props.cadData, fileName: fileName };
@@ -87,9 +90,18 @@ export class ErpView extends React.Component<ErpViewProp, {}> {
                 this.postMessage("cadExport", { session: this.props.session });
                 break;
         }
+
+        window.addEventListener('message', this.loadedEvent);
         window.addEventListener('message', this.closeEvent);
         window.addEventListener('message', this.warningEvent);
     };
+    private loadedEvent = (ev) =>
+    {
+        if (ev.data.command == 'loaded' && this.appLoaded == false)
+        {
+            this.iframeLoaded();
+        }
+    };
     private closeEvent = (ev) =>
     {
         switch (ev.data.command)
@@ -146,6 +158,7 @@ export class ErpView extends React.Component<ErpViewProp, {}> {
     }
     componentWillUnmount()
     {
+        window.removeEventListener("message", this.loadedEvent);
         window.removeEventListener("message", this.closeEvent);
         window.removeEventListener("message", this.warningEvent);
     }