diff --git a/packages/command-services/lib/utils/lookup-util.ts b/packages/command-services/lib/utils/lookup-util.ts
index 51b33b7e55a7c6705eba95bf0eea252d40c150b5..86b75822ad99cce94f753592da2165ce955cf601 100644
--- a/packages/command-services/lib/utils/lookup-util.ts
+++ b/packages/command-services/lib/utils/lookup-util.ts
@@ -25,8 +25,10 @@ class LookupUtil {
         if (typeof mappingFields !== 'object' && typeof mappingFields !== 'string') {
             throw new Error('The parameter mapFields must be a string or an object');
         }
-        const mappingFieldsObj = typeof mappingFields === 'object' ? mappingFields : JSON.parse(mappingFields)
-
+        const mappingFieldsObj = typeof mappingFields === 'object' ? mappingFields : JSON.parse(mappingFields);
+        if (!mappingFieldsObj || typeof mappingFieldsObj !== 'object' || Object.keys(mappingFieldsObj).length === 0) {
+            throw new Error('The parameter mapFields must be an object and can not be empty');
+        }
         // 格式化字段映射
         const normalizedMappingFields: any[] = [];
         Object.keys(mappingFieldsObj).forEach((key: string) => {
@@ -46,4 +48,4 @@ class LookupUtil {
     }
 }
 
-export { LookupUtil }
\ No newline at end of file
+export { LookupUtil };
\ No newline at end of file
diff --git a/packages/ui-binding/lib/compositions/use-tree-grid-binding.ts b/packages/ui-binding/lib/compositions/use-tree-grid-binding.ts
index 26e4996085e71d432a4045e07f9f0c98862280b4..e3c68cfdf3d2f27e93774685da2d36c90fc5c8f9 100644
--- a/packages/ui-binding/lib/compositions/use-tree-grid-binding.ts
+++ b/packages/ui-binding/lib/compositions/use-tree-grid-binding.ts
@@ -60,12 +60,14 @@ export function useTreeGridBinding(elementRef: ElementRef, options: TreeBuilderB
         if (change.type === EntityChangeType.Load) {
             componentRef.value.updateDataSource(data);
             if (rootId && isFirstRender) {
+                componentRef.value.selectRowById(rootId);
                 selectItemById(rootId);
                 isFirstRender = false;
                 viewModel.entityStore?.changeCurrentEntityByPath(viewModel.bindingPath, rootId);
             } else {
                 const entity = viewModel.entityStore?.getEntityListByPath(options.entityPath).getCurrentEntity();
                 const primaryValue = entity?.idValue;
+                componentRef.value.selectRowById(primaryValue);
                 selectItemById(primaryValue);
                 viewModel.entityStore?.changeCurrentEntityByPath(viewModel.bindingPath, primaryValue);
             }