update pay ui

concept_api_v2.py

@@ -469,9 +469,11 @@ async def search_concepts(request: SearchRequest):
                 semantic_weight = 0
 
         # 确定搜索数量
+        # 修复：当按涨跌幅排序时，需要获取全部概念（800+）再排序
+        # 原来限制 500 会导致排序不准确
         effective_search_size = request.search_size
         if request.sort_by in ["change_pct", "outbreak_date"]:
-            effective_search_size = min(500, request.search_size * 5)
+            effective_search_size = min(1000, request.search_size * 10)
 
         # 构建查询
         search_body = {}