From ef5dd50bc886aa6c148e310fba4c1cbd415bb47c Mon Sep 17 00:00:00 2001
From: "lihao.ylh" <lihao.ylh@alibaba-inc.com>
Date: Wed, 29 Sep 2021 21:43:34 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=85=BC=E5=AE=B9=E5=8E=9F=E6=9D=A5=20P?=
 =?UTF-8?q?ropStash=20=E7=9A=84=20export=20=E6=95=B0=E6=8D=AE=E7=BB=93?=
 =?UTF-8?q?=E6=9E=84,=20=E5=8E=BB=E9=99=A4=20undefined=20=E7=AD=89?=
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---
 packages/designer/src/document/node/props/prop.ts  | 11 ++++++++---
 packages/designer/src/document/node/props/props.ts |  9 ++++-----
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/packages/designer/src/document/node/props/prop.ts b/packages/designer/src/document/node/props/prop.ts
index 6b7f0c2d6..df8cb1b56 100644
--- a/packages/designer/src/document/node/props/prop.ts
+++ b/packages/designer/src/document/node/props/prop.ts
@@ -152,10 +152,15 @@ export class Prop implements IPropParent {
       if (!this._items) {
         return this._value;
       }
-      const maps: any = {};
+      let maps: any;
       this.items!.forEach((prop, key) => {
-        const v = prop.export(stage);
-        maps[prop.key == null ? key : prop.key] = v;
+        if (!prop.isUnset()) {
+          const v = prop.export(stage);
+          if (v != null) {
+            maps = maps || {};
+            maps[prop.key || key] = prop.export(stage);
+          }
+        }
       });
       return maps;
     }
diff --git a/packages/designer/src/document/node/props/props.ts b/packages/designer/src/document/node/props/props.ts
index bdf7ab470..e5f3e828d 100644
--- a/packages/designer/src/document/node/props/props.ts
+++ b/packages/designer/src/document/node/props/props.ts
@@ -129,12 +129,11 @@ export class Props implements IPropParent {
     } else {
       this.items.forEach(item => {
         let name = item.key as string;
-        if (name == null) {
-          // todo ...spread
-          return;
-        }
+        if (name == null || item.isUnset() || item.isVirtual()) return;
         let value = item.export(stage);
-        allProps[name] = value;
+        if (value != null) {
+          allProps[name] = value;
+        }
       });
       // compatible vision
       const transformedProps = this.transformToStatic(allProps);