fix

@@ -1731,6 +1731,7 @@ const optionsA = ref<any>([]);
 const optionsB = ref<any>([]);
 const optionsC = ref<any>([]);
 
+const dataBaseRef = ref<any>();
 // 第一个下拉框值改变时
 const onAChange = async () => {
   selectedB.value = null;
@@ -1748,6 +1749,12 @@ const onAChange = async () => {
       await getDbDirTableSelectData(2, { databaseGuid: selectedA.value, condition: "2" }); // 数据库搜索
     }
   }
+  nextTick(() => {
+    const nodeElement = dataBaseRef.value.treeRef.$el.querySelector(`[data-key="${String(selectedA.value)}"]`);
+    if (nodeElement) {
+      nodeElement.offsetTop - dataBaseRef.value.treeRef.$el.clientHeight > 0 && (dataBaseRef.value.treeRef.$el.scrollTop = nodeElement.offsetTop - dataBaseRef.value.treeRef.$el.clientHeight + 32);
+    }
+  });
   console.log('selectedA',);
 
 };
@@ -1766,6 +1773,12 @@ const onBChange = async () => {
       await getDbDirFieldSelectData(3, { tableGuid: selectedB.value, databaseGuid: selectedA.value, condition: "3" });
     }
   }
+  nextTick(() => {
+    const nodeElement = dataBaseRef.value.treeRef.$el.querySelector(`[data-key="${String(selectedB.value)}"]`);
+    if (nodeElement) {
+      nodeElement.offsetTop - dataBaseRef.value.treeRef.$el.clientHeight > 0 && (dataBaseRef.value.treeRef.$el.scrollTop = nodeElement.offsetTop - dataBaseRef.value.treeRef.$el.clientHeight + 32);
+    }
+  });
 };
 
 // 导出