diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/useRefOptions.svelte.ts b/easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/useRefOptions.svelte.ts
index 2f9986e..45d5f63 100644
--- a/easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/useRefOptions.svelte.ts
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/useRefOptions.svelte.ts
@@ -31,9 +31,11 @@ const getChildren = (params: any, parentId: string, nodeIsChildren: boolean, nod
 
 const nodeToOptions = (node: Node, nodeIsChildren: boolean, currentNode: Node) => {
     const options = getOptions();
-    let icon = nodeIcons[node.type];
-    if (!icon && options?.customNodes && options.customNodes[node.type]) {
-        icon = options.customNodes[node.type].icon;
+    const nodeType = node.type || '';
+    
+    let icon: string | undefined = nodeIcons[nodeType];
+    if (!icon && options?.customNodes && options.customNodes[nodeType]) {
+        icon = options.customNodes[nodeType].icon;
     }
     
     // 如果仍然获取不到，尝试使用 data.icon (作为回退)
@@ -43,7 +45,7 @@ const nodeToOptions = (node: Node, nodeIsChildren: boolean, currentNode: Node) =
 
     const title = node.data.title;
 
-    if (node.type === 'startNode') {
+    if (nodeType === 'startNode') {
         const parameters = node.data.parameters as Array<Parameter>;
         const children = [];
         if (parameters)
@@ -56,7 +58,7 @@ const nodeToOptions = (node: Node, nodeIsChildren: boolean, currentNode: Node) =
                     dataType: dataType,
                     value: node.id + '.' + parameter.name,
                     selectable: true,
-                    nodeType: node.type
+                    nodeType: nodeType
                 });
             }
         return {
@@ -64,30 +66,30 @@ const nodeToOptions = (node: Node, nodeIsChildren: boolean, currentNode: Node) =
             icon: icon,
             value: node.id,
             selectable: false,
-            nodeType: node.type,
+            nodeType: nodeType,
             children
         };
-    } else if (node.type === 'loopNode' && currentNode.parentId) {
+    } else if (nodeType === 'loopNode' && currentNode.parentId) {
         return {
             label: title,
             icon: icon,
             value: node.id,
             selectable: false,
-            nodeType: node.type,
+            nodeType: nodeType,
             children: [
                 {
                     label: 'loopItem',
                     dataType: 'Any',
                     value: node.id + '.loopItem',
                     selectable: true,
-                    nodeType: node.type
+                    nodeType: nodeType
                 },
                 {
                     label: 'index',
                     dataType: 'Number',
                     value: node.id + '.index',
                     selectable: true,
-                    nodeType: node.type
+                    nodeType: nodeType
                 }
             ]
         };
@@ -99,8 +101,8 @@ const nodeToOptions = (node: Node, nodeIsChildren: boolean, currentNode: Node) =
                 icon: icon,
                 value: node.id,
                 selectable: false,
-                nodeType: node.type,
-                children: getChildren(outputDefs, node.id, nodeIsChildren, node.type)
+                nodeType: nodeType,
+                children: getChildren(outputDefs, node.id, nodeIsChildren, nodeType)
             };
         }
     }