diff --git a/src/main/java/com/ffii/fpsms/modules/stock/service/StockInLineService.kt b/src/main/java/com/ffii/fpsms/modules/stock/service/StockInLineService.kt
index 998be3a..be826e8 100644
--- a/src/main/java/com/ffii/fpsms/modules/stock/service/StockInLineService.kt
+++ b/src/main/java/com/ffii/fpsms/modules/stock/service/StockInLineService.kt
@@ -53,6 +53,8 @@ import com.ffii.fpsms.modules.stock.entity.StockLedgerRepository
 import com.ffii.fpsms.modules.stock.entity.InventoryRepository
 import org.springframework.http.HttpStatus
 import org.springframework.web.server.ResponseStatusException
+import kotlin.text.toDouble
+
 @Serializable
 data class QrContent(val itemId: Long, val stockInLineId: Long)
 
@@ -740,12 +742,11 @@ open class StockInLineService(
         )
     }
     @Transactional
-private fun createStockLedgerForStockIn(stockInLine: StockInLine) {
-    val item = stockInLine.item ?: return
-    val inventory = inventoryRepository.findByItemId(item.id!!).orElse(null) ?: return
-
-    val inQty = stockInLine.acceptedQty?.toDouble() ?: 0.0
 
+    private fun createStockLedgerForStockIn(stockInLine: StockInLine) {
+        val item = stockInLine.item ?: return
+        val inventory = inventoryRepository.findFirstByItemIdAndDeletedIsFalseOrderByIdAsc(item.id!!) ?: return
+        val inQty = stockInLine.acceptedQty?.toDouble() ?: 0.0
     
     // ✅ 修复：查询最新的 stock_ledger 记录，基于前一笔 balance 计算
     val latestLedger = stockLedgerRepository.findLatestByItemId(item.id!!).firstOrNull()