diff --git a/eladmin-system/src/main/java/cn/ysk/cashier/cons/RedisConstant.java b/eladmin-system/src/main/java/cn/ysk/cashier/cons/RedisConstant.java
index bf042263..42d0a782 100644
--- a/eladmin-system/src/main/java/cn/ysk/cashier/cons/RedisConstant.java
+++ b/eladmin-system/src/main/java/cn/ysk/cashier/cons/RedisConstant.java
@@ -24,6 +24,9 @@ public interface RedisConstant {
     // 排队取号全局号码
     String TABLE_CALL_NUMBER = "TABLE_CALL_NUMBER:";
 
+    // 选择人数锁
+    String CHOSE_TABLE_COUNT = "CHOSE_TABLE_COUNT";
+
     static String getCurrentOrderKey(String tableId, String shopId) {
         return CURRENT_TABLE_ORDER + shopId + ":" + tableId;
     }
diff --git a/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java b/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java
index 89e98ed0..b1a80fcb 100644
--- a/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java
+++ b/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java
@@ -1679,62 +1679,65 @@ public class TbShopTableServiceImpl implements TbShopTableService {
 
     @Override
     public Object choseCount(ChoseCountDTO choseCountDTO) {
-        TbShopInfo shopInfo = shopInfoRepository.findById(choseCountDTO.getShopId()).orElse(null);
-        if (shopInfo == null) throw new BadRequestException("店铺信息不存在");
+        return Utils.runFunAndCheckKey(() -> {
+            TbShopInfo shopInfo = shopInfoRepository.findById(choseCountDTO.getShopId()).orElse(null);
+            if (shopInfo == null) throw new BadRequestException("店铺信息不存在");
 
-        if (shopInfo.getIsTableFee() != null && shopInfo.getIsTableFee() == 1) {
-            throw new BadRequestException("当前店铺无需选择餐位费");
-        }
+            if (shopInfo.getIsTableFee() != null && shopInfo.getIsTableFee() == 1) {
+                throw new BadRequestException("当前店铺无需选择餐位费");
+            }
 
-        TbShopTable shopTable = mpShopTableService.lambdaQuery().eq(TbShopTable::getQrcode, choseCountDTO.getTableId()).one();
-        if (shopTable == null) {
-            throw new BadRequestException("台桌不存在");
-        }
+            TbShopTable shopTable = mpShopTableService.lambdaQuery().eq(TbShopTable::getQrcode, choseCountDTO.getTableId()).one();
+            if (shopTable == null) {
+                throw new BadRequestException("台桌不存在");
+            }
 
-        if (shopTable.getMaxCapacity() < choseCountDTO.getNum()) {
-            throw new BadRequestException("当前台桌最大人数为: " + shopTable.getMaxCapacity());
-        }
+            if (shopTable.getMaxCapacity() < choseCountDTO.getNum()) {
+                throw new BadRequestException("当前台桌最大人数为: " + shopTable.getMaxCapacity());
+            }
 
-        LambdaQueryWrapper<TbCashierCart> query = new LambdaQueryWrapper<TbCashierCart>()
-                .eq(TbCashierCart::getShopId, choseCountDTO.getShopId())
-                .and(q -> q.eq(TbCashierCart::getMasterId, choseCountDTO.getMasterId()).or().isNull(TbCashierCart::getMasterId).or().eq(TbCashierCart::getMasterId, ""))
-                .eq(TbCashierCart::getProductId, "-999")
-                .eq(TbCashierCart::getSkuId, "-999")
-                .eq(TbCashierCart::getUseType, choseCountDTO.getUseType())
-                .gt(TbCashierCart::getCreatedAt, DateUtil.offsetDay(DateUtil.date(), -1).getTime())
-                .eq(TbCashierCart::getStatus, "create")
-                .eq(TbCashierCart::getTableId, choseCountDTO.getTableId());
-        TbCashierCart tbCashierCart = cashierCartMapper.selectOne(query);
+            LambdaQueryWrapper<TbCashierCart> query = new LambdaQueryWrapper<TbCashierCart>()
+                    .eq(TbCashierCart::getShopId, choseCountDTO.getShopId())
+                    .and(q -> q.eq(TbCashierCart::getMasterId, choseCountDTO.getMasterId()).or().isNull(TbCashierCart::getMasterId).or().eq(TbCashierCart::getMasterId, ""))
+                    .eq(TbCashierCart::getProductId, "-999")
+                    .eq(TbCashierCart::getSkuId, "-999")
+                    .eq(TbCashierCart::getUseType, choseCountDTO.getUseType())
+                    .gt(TbCashierCart::getCreatedAt, DateUtil.offsetDay(DateUtil.date(), -1).getTime())
+                    .eq(TbCashierCart::getStatus, "create")
+                    .eq(TbCashierCart::getTableId, choseCountDTO.getTableId());
+            TbCashierCart tbCashierCart = cashierCartMapper.selectOne(query);
 
-        if (tbCashierCart == null) {
-            tbCashierCart = new TbCashierCart();
-            tbCashierCart.setStatus("create");
-            tbCashierCart.setCreatedAt(System.currentTimeMillis());
-            tbCashierCart.setTableId(choseCountDTO.getTableId());
-            tbCashierCart.setName("客座费");
-            tbCashierCart.setSalePrice(shopInfo.getTableFee());
-            tbCashierCart.setMasterId(choseCountDTO.getMasterId());
-            tbCashierCart.setShopId(String.valueOf(choseCountDTO.getShopId()));
-            tbCashierCart.setTradeDay(DateUtils.getDay());
-            tbCashierCart.setStatus("create");
-            tbCashierCart.setTotalAmount(new BigDecimal(choseCountDTO.getNum()).multiply(shopInfo.getTableFee()));
-            tbCashierCart.setPlaceNum(1);
-            tbCashierCart.setProductId("-999");
-            tbCashierCart.setSkuId("-999");
-            tbCashierCart.setPackFee(BigDecimal.ZERO);
-            tbCashierCart.setNumber(choseCountDTO.getNum());
-            tbCashierCart.setTotalNumber(choseCountDTO.getNum());
-            tbCashierCart.setUseType(choseCountDTO.getUseType());
-            tbCashierCartMapper.insert(tbCashierCart);
-        } else {
-            tbCashierCart.setTotalAmount(new BigDecimal(choseCountDTO.getNum()).multiply(shopInfo.getTableFee()));
-            tbCashierCart.setNumber(choseCountDTO.getNum());
-            tbCashierCart.setTotalNumber(choseCountDTO.getNum());
-            tbCashierCart.setUseType(choseCountDTO.getUseType());
-            tbCashierCartMapper.updateById(tbCashierCart);
-        }
+            if (tbCashierCart == null) {
+                tbCashierCart = new TbCashierCart();
+                tbCashierCart.setStatus("create");
+                tbCashierCart.setCreatedAt(System.currentTimeMillis());
+                tbCashierCart.setTableId(choseCountDTO.getTableId());
+                tbCashierCart.setName("客座费");
+                tbCashierCart.setSalePrice(shopInfo.getTableFee());
+                tbCashierCart.setMasterId(choseCountDTO.getMasterId());
+                tbCashierCart.setShopId(String.valueOf(choseCountDTO.getShopId()));
+                tbCashierCart.setTradeDay(DateUtils.getDay());
+                tbCashierCart.setStatus("create");
+                tbCashierCart.setTotalAmount(new BigDecimal(choseCountDTO.getNum()).multiply(shopInfo.getTableFee()));
+                tbCashierCart.setPlaceNum(1);
+                tbCashierCart.setProductId("-999");
+                tbCashierCart.setSkuId("-999");
+                tbCashierCart.setPackFee(BigDecimal.ZERO);
+                tbCashierCart.setNumber(choseCountDTO.getNum());
+                tbCashierCart.setTotalNumber(choseCountDTO.getNum());
+                tbCashierCart.setUseType(choseCountDTO.getUseType());
+                tbCashierCartMapper.insert(tbCashierCart);
+            } else {
+                tbCashierCart.setTotalAmount(new BigDecimal(choseCountDTO.getNum()).multiply(shopInfo.getTableFee()));
+                tbCashierCart.setNumber(choseCountDTO.getNum());
+                tbCashierCart.setTotalNumber(choseCountDTO.getNum());
+                tbCashierCart.setUseType(choseCountDTO.getUseType());
+                tbCashierCartMapper.updateById(tbCashierCart);
+            }
+
+            return tbCashierCart;
+        }, stringRedisTemplate, RedisConstant.getLockKey(RedisConstant.CHOSE_TABLE_COUNT, choseCountDTO.getShopId(), choseCountDTO.getTableId()));
 
-        return tbCashierCart;
     }
 
     @Override