diff --git a/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/service/impl/CsDeviceUserPOServiceImpl.java b/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/service/impl/CsDeviceUserPOServiceImpl.java
index 96a766d..c2e28bd 100644
--- a/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/service/impl/CsDeviceUserPOServiceImpl.java
+++ b/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/service/impl/CsDeviceUserPOServiceImpl.java
@@ -57,7 +57,7 @@ public class CsDeviceUserPOServiceImpl extends ServiceImpl<CsDeviceUserPOMapper,
     private final CsTouristDataPOService csTouristDataPOService;
 
     private final CsLinePOService csLinePOService;
-    private CsMarketDataMapper csMarketDataMapper;
+    private final CsMarketDataMapper csMarketDataMapper;
     @Override
     @Transactional(rollbackFor = Exception.class)
     public Boolean add(String id) {