diff --git a/wwwroot/api/import_category_products.dspy b/wwwroot/api/import_category_products.dspy
index a5bc607..198d7f6 100644
--- a/wwwroot/api/import_category_products.dspy
+++ b/wwwroot/api/import_category_products.dspy
@@ -1,17 +1,10 @@
 result = {'widgettype': 'Message', 'options': {'title': 'Error', 'message': 'Invalid', 'type': 'error'}}
 
 try:
-    category_id = params_kw.get('category_id', '')
-    # Debug: log incoming params to help diagnose tree selection issue
-    from appPublic.log import debug
-    body_preview = 'none'
-    raw_body = getattr(request, 'body', b'')
-    if raw_body:
-        body_preview = str(raw_body[:200])
-    debug('[import_category] params_kw=%s, category_id=%s, body=%s' % (dict(params_kw), category_id, body_preview))
-
+    # Accept both 'category_id' and 'id' as param name (tree may send either)
+    category_id = params_kw.get('category_id', '') or params_kw.get('id', '')
     if not category_id:
-        raise ValueError('请先选择一个产品类别')
+        raise ValueError('请先选择一个产品类别 (未收到类别ID)')
 
     org_id = (await get_userorgid()) or '0'
     user_id = await get_user()
@@ -24,7 +17,7 @@ try:
             {'id': category_id}
         )
         if not rows:
-            raise ValueError('类别不存在或无权操作')
+            raise ValueError('类别不存在: id=%s' % category_id)
         cat = rows[0]
 
     resource_module = cat.resource_module