更新config-mdis_prr3.yml数据库连接配置与投组元数据，升级lxml版本要求，web端新增推荐概览功能

web/robo_controller.py

@@ -87,8 +87,8 @@ def build_overview(asset_weights: dict):
         "name": get_config('web.name'),
         "feature": get_config('web.feature'),
         "tag": get_config('web.tag'),
-        "month": dt.date.today().strftime("%m月"),
-        "setting": [{"name": k, "rate": v} for k, v in asset_weights.items()]
+        "month": f"{dt.date.today().month}月",
+        "setting": [{"name": k, "rate": str(int(v))} for k, v in asset_weights.items()]
     }
     return overview