药品id写错

app/Api/Controllers/DrugController.php

@@ -158,7 +158,7 @@ public function drugLimit(Request $request)
             if ($drugModel->limit_buy_7 > 0) {
             if ($drugModel->limit_buy_7 > 0) {
                 $drug['limit_num'] = $drugModel->limit_buy_7;
                 $drug['limit_num'] = $drugModel->limit_buy_7;
             }
             }
-            $buyedCount = $drugCounts[$drug_id] ?? 0; // 历史已购买数量
+            $buyedCount = $drugCounts[$drug['drug_id']] ?? 0; // 历史已购买数量
             $canBuyCount = $drug['limit_num'] - $buyedCount; // 普通药品剩余可购买数量
             $canBuyCount = $drug['limit_num'] - $buyedCount; // 普通药品剩余可购买数量
             if ($canBuyCount <= 0) {
             if ($canBuyCount <= 0) {
                 $errMsg = '药品['.$drugModel->name.']剩余购买数量不足~';
                 $errMsg = '药品['.$drugModel->name.']剩余购买数量不足~';