diff --git a/packages/ui-vue/components/lookup/src/composition/use-http.ts b/packages/ui-vue/components/lookup/src/composition/use-http.ts
index 039fea5c785d2963f5cb8edbdc5a70217df5e52c..70f6a77ea12d5fd19a760d00bfa5f7da07d46992 100644
--- a/packages/ui-vue/components/lookup/src/composition/use-http.ts
+++ b/packages/ui-vue/components/lookup/src/composition/use-http.ts
@@ -346,7 +346,7 @@ export function useHttp(props: LookupProps, context: any): UseHttpComposition {
         
         try {
             let httpResult = await getData(params);
-            if (lookupOptions.displayType !== httpResult.displayType) {
+            if (lookupOptions.displayType !== httpResult.displayType && event.action !== 'navsearch') {
                 lookupOptions.displayType = httpResult.displayType;
             }
 
diff --git a/packages/ui-vue/components/lookup/src/composition/use-treegrid.tsx b/packages/ui-vue/components/lookup/src/composition/use-treegrid.tsx
index 6dc7352a04631145ad83e40e4554e5069f1ef8a3..6e4391a2f167dfd2706976cb18b3a42a7b3cc38d 100644
--- a/packages/ui-vue/components/lookup/src/composition/use-treegrid.tsx
+++ b/packages/ui-vue/components/lookup/src/composition/use-treegrid.tsx
@@ -65,7 +65,7 @@ export function useTreegrid(props: LookupProps, context: SetupContext) {
             }
 
             newColumns && setColumns(treegridRef.value, newColumns, true);
-            newItems && treeGridLoadData(newItems, lookupState['action'] === 'search');
+            treeGridLoadData(newItems || [], lookupState['action'] === 'search');
         }
     });
 
diff --git a/packages/ui-vue/components/modal/src/modal.component.tsx b/packages/ui-vue/components/modal/src/modal.component.tsx
index 8cf6c374250e7fd692e289d9ac3ef53c51fb3b25..fbfe122d47a5aa19581bde310929bbc5b152bca4 100644
--- a/packages/ui-vue/components/modal/src/modal.component.tsx
+++ b/packages/ui-vue/components/modal/src/modal.component.tsx
@@ -269,8 +269,8 @@ export default defineComponent({
             return Object.assign(styleObject, footerSytles);
         });
 
-        function maxDialog($event: MouseEvent) {
-            $event.stopPropagation();
+        function maxDialog($event?: MouseEvent) {
+            $event?.stopPropagation();
             if (maximized.value) {
                 maximized.value = false;
                 restore();