diff --git a/app/controller/api/server/Store.php b/app/controller/api/server/Store.php
index 04b128ee..8bf32c6a 100644
--- a/app/controller/api/server/Store.php
+++ b/app/controller/api/server/Store.php
@@ -145,7 +145,8 @@ class Store extends BaseController
         $purchaseFinishRate = bcmul(min($purchaseFinishRate, 1), 100, 0);
         $officialPurchaseFinishRate = $officialPurchaseTarget <= 0 ? 0 : bcdiv($merchant['official_purchase_amount'], $officialPurchaseTarget, 2);
         $officialPurchaseFinishRate = bcmul(min($officialPurchaseFinishRate, 1), 100, 0);
-        $springSubsidyRate = $saleTarget <= 0 ? 0 : bcdiv(bcadd($merchant['purchase_amount'], $merchant['official_purchase_amount'], 2), $saleTarget, 2);
+        $springSubsidyUsed = bcsub($saleTarget, $merchant['balance'] ?? '0.00', 2);
+        $springSubsidyRate = $saleTarget <= 0 ? 0 : bcdiv($springSubsidyUsed, $saleTarget, 2);
         $springSubsidyRate = bcmul(min($springSubsidyRate, 1), 100, 0);
         return app('json')->success([
             'subsidy_amount' => empty($subsidyAmount) ? '0.00' : $subsidyAmount,
@@ -161,7 +162,7 @@ class Store extends BaseController
             'official_purchase_amount' => $merchant['official_purchase_amount'],
             'official_purchase_finish_rate' => $officialPurchaseFinishRate,
             'spring_subsidy' => $saleTarget,
-            'spring_subsidy_amount' => $merchant['purchase_amount'],
+            'spring_subsidy_amount' => $springSubsidyUsed,
             'spring_subsidy_rate' => $springSubsidyRate,
             'balance' => $merchant['balance'] ?? '0.00',
         ]);