diff --git a/src/views/system/category/components/CategoryModal.vue b/src/views/system/category/components/CategoryModal.vue
index 8526482..5155f39 100644
--- a/src/views/system/category/components/CategoryModal.vue
+++ b/src/views/system/category/components/CategoryModal.vue
@@ -14,6 +14,7 @@
   const isUpdate = ref(true);
   const expandedRowKeys = ref([]);
   const treeData = ref([]);
+  const isSubAdd = ref(false);
   //表单配置
   const [registerForm, { resetFields, setFieldsValue, validate, updateSchema }] = useForm({
     schemas: formSchema,
@@ -34,6 +35,7 @@
     expandedRowKeys.value = [];
     setModalProps({ confirmLoading: false, minHeight: 80 });
     isUpdate.value = !!data?.isUpdate;
+    isSubAdd.value = !!!data?.isUpdate && data.record.id;
     if (data?.record) {
       //表单赋值
       await setFieldsValue({
@@ -79,7 +81,7 @@
       //展开的节点信息
       await getExpandKeysByPid(values['pid'], unref(treeData));
       //刷新列表(isUpdate:是否编辑;values:表单信息;expandedArr:展开的节点信息)
-      emit('success', { isUpdate: unref(isUpdate), values: { ...values }, expandedArr: unref(expandedRowKeys).reverse() });
+      emit('success', { isUpdate: unref(isUpdate), isSubAdd:unref(isSubAdd), values: { ...values }, expandedArr: unref(expandedRowKeys).reverse() });
     } finally {
       setModalProps({ confirmLoading: false });
     }
diff --git a/src/views/system/category/index.vue b/src/views/system/category/index.vue
index e1b15d7..fb339ef 100644
--- a/src/views/system/category/index.vue
+++ b/src/views/system/category/index.vue
@@ -145,7 +145,7 @@
   /**
    * 成功回调
    */
-  async function handleSuccess({ isUpdate, values, expandedArr }) {
+  async function handleSuccess({ isUpdate,isSubAdd, values, expandedArr }) {
     if (isUpdate) {
       //编辑回调
       updateTableDataRecord(values.id, values);
@@ -155,9 +155,15 @@
         reload();
       } else {
         //新增子集
-        expandedRowKeys.value = [];
-        for (let key of unref(expandedArr)) {
-          await expandTreeNode(key);
+        //update-begin-author:liusq---date:20230411--for: [issue/4550]分类字典数据量过多会造成数据查询时间过长--- 
+        if(isSubAdd){
+          await expandTreeNode(values.pid);
+        //update-end-author:liusq---date:20230411--for: [issue/4550]分类字典数据量过多会造成数据查询时间过长--- 
+        }else{
+          expandedRowKeys.value = [];
+          for (let key of unref(expandedArr)) {
+            await expandTreeNode(key);
+          }
         }
       }
     }
@@ -247,8 +253,12 @@
    *操作表格后处理树节点展开合并
    * */
   async function expandTreeNode(key) {
-    let record = findTableDataRecord(key);
-    expandedRowKeys.value.push(key);
+    let record:any = findTableDataRecord(key);
+    //update-begin-author:liusq---date:20230411--for: [issue/4550]分类字典数据量过多会造成数据查询时间过长，显示“接口请求超时,请刷新页面重试!”--- 
+    if(!expandedRowKeys.value.includes(key)){
+      expandedRowKeys.value.push(key);
+    }
+    //update-end-author:liusq---date:20230411--for: [issue/4550]分类字典数据量过多会造成数据查询时间过长，显示“接口请求超时,请刷新页面重试!”--- 
     let result = await getChildList({ pid: key });
     if (result && result.length > 0) {
       record.children = getDataByResult(result);