diff --git a/flossom-modules/flossom-system/src/main/java/com/flossom/system/service/impl/WxUserInstrumentServiceImpl.java b/flossom-modules/flossom-system/src/main/java/com/flossom/system/service/impl/WxUserInstrumentServiceImpl.java
index 831b356..27912f0 100644
--- a/flossom-modules/flossom-system/src/main/java/com/flossom/system/service/impl/WxUserInstrumentServiceImpl.java
+++ b/flossom-modules/flossom-system/src/main/java/com/flossom/system/service/impl/WxUserInstrumentServiceImpl.java
@@ -6,10 +6,7 @@ import java.util.*;
 import java.util.stream.Collectors;
 
 import com.alibaba.nacos.shaded.com.google.common.collect.Maps;
-import com.flossom.common.core.domain.entity.WxInstrumentSerial;
-import com.flossom.common.core.domain.entity.WxUserInstrument;
-import com.flossom.common.core.domain.entity.WxUserInstrumentLog;
-import com.flossom.common.core.domain.entity.WxUserMember;
+import com.flossom.common.core.domain.entity.*;
 import com.flossom.common.core.domain.req.WxUserInstrumentExportVm;
 import com.flossom.common.core.enums.BindingStatusEnums;
 import com.flossom.common.core.mapper.*;
@@ -40,6 +37,7 @@ public class WxUserInstrumentServiceImpl implements IWxUserInstrumentService
     private WxInstrumentMapper wxInstrumentMapper;
     @Autowired
     private WxInstrumentSerialMapper instrumentSerialMapper;
+    private WxInstrumentSerialLogMapper instrumentSerialLogMapper;
     @Autowired
     private WxUserInstrumentLogMapper wxUserInstrumentLogMapper;
 
@@ -157,6 +155,23 @@ public class WxUserInstrumentServiceImpl implements IWxUserInstrumentService
                             // 更新处理
                             userMember.setDevicesNum(devicesNum);
                             wxUserMemberMapper.updateWxUserMember(userMember);
+
+                            // 更新序列号绑定状态为解绑
+                            WxInstrumentSerial update = new WxInstrumentSerial();
+                            update.setSerial(userInstrument.getSerial());
+                            update.setBindingStatus(BindingStatusEnums.UN_BOUND.getCode());
+                            instrumentSerialMapper.updateBySerial(update);
+                            // 保存序列号解绑记录
+                            WxInstrumentSerialLog wxInstrumentSerialLog = new WxInstrumentSerialLog();
+                            wxInstrumentSerialLog.setUserId(userMember.getId());
+                            wxInstrumentSerialLog.setUserName(userMember.getNickname());
+                            wxInstrumentSerialLog.setUserMobile(userMember.getMobile());
+                            wxInstrumentSerialLog.setUserHeadimg(userMember.getHeadimg());
+                            wxInstrumentSerialLog.setInstrumentId(userInstrument.getInstrumentId());
+                            wxInstrumentSerialLog.setInstrumentName(userInstrument.getInstrumentName());
+                            wxInstrumentSerialLog.setSerial(userInstrument.getSerial());
+                            wxInstrumentSerialLog.setBindingStatus(BindingStatusEnums.UN_BOUND.getCode());
+                            instrumentSerialLogMapper.insertWxInstrumentSerialLog(wxInstrumentSerialLog);
                         }
                     }
                 }