diff --git a/dsRag/static/tree.html b/dsRag/static/tree.html
index 74d3dc98..c8d1f0e3 100644
--- a/dsRag/static/tree.html
+++ b/dsRag/static/tree.html
@@ -74,15 +74,16 @@
     }
 
     function findParentTitle(node) {
+        if (!node || !node.parent_id) return '';
         const parent = allNodes.find(n => n.id === node.parent_id);
         return parent ? parent.title : '';
     }
 
     function findNodeById(nodes, id) {
-        for (var i = 0; i < nodes.length; i++) {
-            if (nodes[i].id == id) return nodes[i];
-            if (nodes[i].children) {
-                var found = findNodeById(nodes[i].children, id);
+        for (const node of nodes) {
+            if (node.id === id) return node;
+            if (node.children) {
+                const found = findNodeById(node.children, id);
                 if (found) return found;
             }
         }
@@ -241,12 +242,37 @@
         confirmBtn.style.borderRadius = '4px';
         confirmBtn.style.cursor = 'pointer';
 
-        // 在确定按钮中获取选中的节点
         confirmBtn.onclick = function () {
-            const selectedNodes = Array.from(container.querySelectorAll('input[type="checkbox"]:checked'))
-                .map(checkbox => checkbox.value);
-            console.log("选中的节点ID:", selectedNodes);  // 添加这行来输出选中内容
-            // 这里添加保存选中节点的逻辑
+            const currentNode = findNodeById(treeData, currentNodeId);
+            if (!currentNode) {
+                console.error('找不到当前节点:', currentNodeId);
+                return;
+            }
+            
+            console.log(`当前操作的二级节点ID: ${currentNodeId}, 名称: ${currentNode.title}`);
+            
+            const selectedNodes = [];
+            const checkboxes = container.querySelectorAll('input[type="checkbox"]:checked');
+            checkboxes.forEach(checkbox => {
+                const node = findNodeById(treeData, checkbox.value);
+                if (node) {
+                    selectedNodes.push({
+                        id: node.id,
+                        title: node.title,
+                        parentTitle: node.isParent ? '' : findParentTitle(node)
+                    });
+                }
+            });
+            
+            console.log('选中的先修知识:');
+            selectedNodes.forEach(node => {
+                if (node.parentTitle) {
+                    console.log(`ID: ${node.id}, 名称: 【${node.parentTitle}】${node.title}`);
+                } else {
+                    console.log(`ID: ${node.id}, 名称: ${node.title}`);
+                }
+            });
+            
             modal.remove();
         };