diff --git a/app/utils/calculation_engine/market_value_c/market_value_c.py b/app/utils/calculation_engine/market_value_c/market_value_c.py
index eb80e39..bcb37bf 100644
--- a/app/utils/calculation_engine/market_value_c/market_value_c.py
+++ b/app/utils/calculation_engine/market_value_c/market_value_c.py
@@ -118,7 +118,7 @@ class MarketValueCCalculator:
         
         # 计算市场竞价C1
         market_bidding_c1 = self.market_bidding_calculator.calculate_market_bidding_c1(
-            transaction_data={'weighted_average_price': input_data.get('average_transaction_price', default_price)},
+            transaction_data={'weighted_average_price': input_data.get('weighted_average_price', default_price)},
             manual_bids=input_data.get('manual_bids', [input_data.get('average_transaction_price', default_price)]),
             expert_valuations=input_data.get('expert_valuations', [input_data.get('average_transaction_price', default_price)])
         )