diff --git a/src/components/Form/src/jeecg/hooks/useTreeBiz.ts b/src/components/Form/src/jeecg/hooks/useTreeBiz.ts
index 2ccd5e3..adf7d33 100644
--- a/src/components/Form/src/jeecg/hooks/useTreeBiz.ts
+++ b/src/components/Form/src/jeecg/hooks/useTreeBiz.ts
@@ -89,7 +89,8 @@ export function useTreeBiz(treeRef, getList, props) {
         if (info.checked) {
           //update-begin-author:taoyan date:20220408 for: 单选模式下，设定rowKey，无法选中数据-
           checkedKeys.value = [info.node.eventKey];
-          let temp = info.checkedNodes.find((n) => n.key === info.node.eventKey);
+          let rowKey = props.rowKey;
+          let temp = info.checkedNodes.find((n) => n[rowKey] === info.node.eventKey);
           selectRows.value = [temp];
           //update-end-author:taoyan date:20220408 for: 单选模式下，设定rowKey，无法选中数据-
         } else {