diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/netty/PushToClientChannelHandlerAdapter.java b/src/main/java/com/chaozhanggui/system/cashierservice/netty/PushToClientChannelHandlerAdapter.java
index d092661..ff709fc 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/netty/PushToClientChannelHandlerAdapter.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/netty/PushToClientChannelHandlerAdapter.java
@@ -113,6 +113,10 @@ public class PushToClientChannelHandlerAdapter extends NettyChannelHandlerAdapte
                 this.shopId=shopId;
                 if (webSocketMap.containsKey(shopId)) {
                     ConcurrentHashMap<String, ChannelHandlerContext> clientSocketMap = webSocketMap.get(shopId);
+                    ChannelHandlerContext channelHandlerContext = clientSocketMap.get(clientId);
+                    if (channelHandlerContext != null) {
+                        channelHandlerContext.close();
+                    }
                     clientSocketMap.put(clientId, ctx);
                 } else {
                     ConcurrentHashMap<String, ChannelHandlerContext> clientSocketMap = new ConcurrentHashMap<>();
diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/HomePageService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/HomePageService.java
index 3b4f539..35b2e8c 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/HomePageService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/HomePageService.java
@@ -22,10 +22,8 @@ import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
 import java.math.BigDecimal;
-import java.math.RoundingMode;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.concurrent.ExecutionException;
 
 /**
  * @author lyf
diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/LoginService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/LoginService.java
index db6db01..9b6eba9 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/LoginService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/LoginService.java
@@ -116,16 +116,10 @@ public class LoginService {
                     tbUserInfoMapper.updateByPrimaryKeySelective(userInfo);
                     List<TbShopUser>  tbShopUsers = tbShopUserMapper.selectAllByUserId(userInfo.getId().toString());
                     for (TbShopUser tbShopUser : tbShopUsers) {
-                        tbShopUser.setUserId("");
+                        tbShopUser.setUserId(null);
                         tbShopUser.setUpdatedAt(System.currentTimeMillis());
                         tbShopUserMapper.upUserBYId(tbShopUser);
                     }
-                    List<TbShopUser> tbShopUsers1 = tbShopUserMapper.selectByPhone(telephone);
-                    for (TbShopUser tbShopUser : tbShopUsers1) {
-                        tbShopUser.setUpdatedAt(System.currentTimeMillis());
-                        tbShopUser.setUserId(userInfo.getId().toString());
-                        tbShopUserMapper.upUserBYId(tbShopUser);
-                    }
                 }
             }
         }