diff --git a/core/core-frontend/src/custom-component/v-query/Component.vue b/core/core-frontend/src/custom-component/v-query/Component.vue
index 75b222975f..01a38c2a03 100644
--- a/core/core-frontend/src/custom-component/v-query/Component.vue
+++ b/core/core-frontend/src/custom-component/v-query/Component.vue
@@ -470,7 +470,7 @@ const getQueryConditionWidth = () => {
 }
 
 const getCascadeList = () => {
-  const { propValue, cascade } = props.element
+  const { propValue, cascade = [] } = props.element
   const defaultValueFirstItemMap = propValue.reduce((pre, next) => {
     pre[next.id] = next.defaultValueFirstItem
     return pre
diff --git a/core/core-frontend/src/custom-component/v-query/Select.vue b/core/core-frontend/src/custom-component/v-query/Select.vue
index 68a0f0d2e6..8dcafe0f15 100644
--- a/core/core-frontend/src/custom-component/v-query/Select.vue
+++ b/core/core-frontend/src/custom-component/v-query/Select.vue
@@ -870,6 +870,7 @@ defineExpose({
   }
   .ed-select-dropdown {
     width: auto !important;
+    min-width: 150px;
   }
   .ed-select-dropdown__option-item {
     .ed-checkbox__label:hover {