diff --git a/modeler/src/views/decision/designer/designer.vue b/modeler/src/views/decision/designer/designer.vue
index 2433cff..577e2b5 100644
--- a/modeler/src/views/decision/designer/designer.vue
+++ b/modeler/src/views/decision/designer/designer.vue
@@ -365,12 +365,16 @@ export default defineComponent({
         window.addEventListener('resize', handleResize);
         console.log('节点挂载完成');
 
-        if(currentRoute.query.platform){
-          findOneTreeByPlatformId(currentRoute.query.platform as number).then(r=> {
-            if(r.data){
-              handleSelectTree(r.data);
-            }
-          })
+        const platformId = currentRoute.query.platform;
+        if (platformId) {
+          const id = Number(platformId);
+          if (!isNaN(id)) {
+            findOneTreeByPlatformId(id).then(r => {
+              if (r.data) {
+                handleSelectTree(r.data);
+              }
+            });
+          }
         }
       });
     };