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Date: Thu, 11 Jan 2024 18:03:41 +0800
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https://github.com/steedos/steedos-platform/issues/6200
---
 .../amis-lib/src/lib/converter/amis/fields/lookup.js      | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/packages/@steedos-widgets/amis-lib/src/lib/converter/amis/fields/lookup.js b/packages/@steedos-widgets/amis-lib/src/lib/converter/amis/fields/lookup.js
index 385be3f32..259da614d 100644
--- a/packages/@steedos-widgets/amis-lib/src/lib/converter/amis/fields/lookup.js
+++ b/packages/@steedos-widgets/amis-lib/src/lib/converter/amis/fields/lookup.js
@@ -443,9 +443,11 @@ export async function lookupToAmisPicker(field, readonly, ctx){
         */
         if(enable_tree){
             const rows = _.map(payload.data.rows, (item)=>{
-                delete item.children;
-                delete item.parent;
-                return item;
+                if (!item.children) {
+                    return { ...item, children: [] };
+                } else {
+                    return item;
+                }
             })
             payload.data.rows = rows;
         }