diff --git a/main.py b/main.py
index 0c7af20..8b1f3dc 100644
--- a/main.py
+++ b/main.py
@@ -121,12 +121,12 @@ def init_db():
 # ModelScope 搜索
 # ============================================================
 
-def search_models(keyword: str, limit: int = 100) -> list:
+def search_models(keyword: str, limit: int = 50) -> list:
     """从 ModelScope 搜索模型"""
     url = "https://modelscope.cn/openapi/v1/models"
     params = {
         'search': keyword,
-        'page_size': limit,
+        'page_size': min(limit, 50),  # API 上限 50
         'page_number': 1,
         'sort': 'downloads',
     }