diff --git a/youchain-system/src/main/java/com/youchain/basicdata/rest/StockController.java b/youchain-system/src/main/java/com/youchain/basicdata/rest/StockController.java
index cc6980c..affb40f 100644
--- a/youchain-system/src/main/java/com/youchain/basicdata/rest/StockController.java
+++ b/youchain-system/src/main/java/com/youchain/basicdata/rest/StockController.java
@@ -46,6 +46,7 @@ import java.io.File;
 import java.io.IOException;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
+import java.util.stream.Collectors;
 import javax.servlet.http.HttpServletResponse;
 import javax.transaction.Transactional;
 
@@ -93,16 +94,16 @@ public class StockController {
         ExcelReader reader = ExcelUtil.getReader(file);
         try {
             List<Map<String, Object>> readAll = reader.readAll();
-            Set<String> StockCodes = new HashSet<>();//容器集合
+            Set<String> stockCodes = new HashSet<>();//容器集合
             for (Map<String, Object> record : readAll) {
                 String stockCode = record.get("代码").toString().trim();
                 if (!StringUtils.isEmpty(stockCode)) {
-                    StockCodes.add(stockCode);
+                    stockCodes.add(stockCode);
                 }
             }
 
             //获取已存在的点位
-            Map<String, Stock> existingStock = stockService.findByCodes(StockCodes);
+            Map<String, Stock> existingStock = stockService.findByCodes(stockCodes);
 
             List<Stock> stocksToCreate = new ArrayList<>();//新增容器集合
             List<Stock> stocksToUpdate = new ArrayList<>();//修改容器集合