diff --git a/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/mapper/WxUserInstrumentLogMapper.java b/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/mapper/WxUserInstrumentLogMapper.java
index 880782a..61884c2 100644
--- a/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/mapper/WxUserInstrumentLogMapper.java
+++ b/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/mapper/WxUserInstrumentLogMapper.java
@@ -59,4 +59,6 @@ public interface WxUserInstrumentLogMapper
      * @return 结果
      */
     public int deleteWxUserInstrumentLogByIds(Long[] ids);
+
+    void deleteByUserId(Long userId);
 }
diff --git a/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/mapper/WxUserInstrumentMapper.java b/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/mapper/WxUserInstrumentMapper.java
index 859348e..b568f0d 100644
--- a/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/mapper/WxUserInstrumentMapper.java
+++ b/flossom-common/flossom-common-core/src/main/java/com/flossom/common/core/mapper/WxUserInstrumentMapper.java
@@ -1,6 +1,7 @@
 package com.flossom.common.core.mapper;
 
 import com.flossom.common.core.domain.entity.WxUserInstrument;
+import org.apache.ibatis.annotations.Param;
 
 import java.util.List;
 
@@ -63,4 +64,6 @@ public interface WxUserInstrumentMapper
     Integer selectUiByInstrumentId(WxUserInstrument wxUserInstrument);
 
     List<WxUserInstrument> selectListByUserIdAndInstrumentId(WxUserInstrument wxUserInstrument);
+
+    void deleteByUserId(@Param("userId") Long userId);
 }
diff --git a/flossom-common/flossom-common-core/src/main/resources/mapper/WxUserInstrumentLogMapper.xml b/flossom-common/flossom-common-core/src/main/resources/mapper/WxUserInstrumentLogMapper.xml
index ff9d85c..8660b60 100644
--- a/flossom-common/flossom-common-core/src/main/resources/mapper/WxUserInstrumentLogMapper.xml
+++ b/flossom-common/flossom-common-core/src/main/resources/mapper/WxUserInstrumentLogMapper.xml
@@ -107,4 +107,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             #{id}
         </foreach>
     </delete>
+
+    <delete id="deleteByUserId" parameterType="Long">
+        delete from wx_user_instrument_log where user_id = #{userId}
+    </delete>
 </mapper>
diff --git a/flossom-common/flossom-common-core/src/main/resources/mapper/WxUserInstrumentMapper.xml b/flossom-common/flossom-common-core/src/main/resources/mapper/WxUserInstrumentMapper.xml
index e47508a..fc1ee18 100644
--- a/flossom-common/flossom-common-core/src/main/resources/mapper/WxUserInstrumentMapper.xml
+++ b/flossom-common/flossom-common-core/src/main/resources/mapper/WxUserInstrumentMapper.xml
@@ -160,6 +160,10 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         delete from wx_user_instrument where id = #{id}
     </delete>
 
+    <delete id="deleteByUserId" parameterType="Long">
+        delete from wx_user_instrument where user_id = #{userId}
+    </delete>
+
     <delete id="deleteWxUserInstrumentByIds" parameterType="String">
         delete from wx_user_instrument where id in
         <foreach item="id" collection="array" open="(" separator="," close=")">
diff --git a/flossom-modules/flossom-system/src/main/java/com/flossom/system/service/impl/WxUserMemberServiceImpl.java b/flossom-modules/flossom-system/src/main/java/com/flossom/system/service/impl/WxUserMemberServiceImpl.java
index 8e05c6c..2645d1d 100644
--- a/flossom-modules/flossom-system/src/main/java/com/flossom/system/service/impl/WxUserMemberServiceImpl.java
+++ b/flossom-modules/flossom-system/src/main/java/com/flossom/system/service/impl/WxUserMemberServiceImpl.java
@@ -64,6 +64,12 @@ public class WxUserMemberServiceImpl implements IWxUserMemberService {
     @Autowired
     private WxUserInstrumentMapper wxUserInstrumentMapper;
 
+    @Autowired
+    private WxUserInstrumentLogMapper wxUserInstrumentLogMapper;
+
+    @Autowired
+    private WxInstrumentSerialMapper wxInstrumentSerialMapper;
+
     /**
      * 查询用户
      *
@@ -207,6 +213,27 @@ public class WxUserMemberServiceImpl implements IWxUserMemberService {
                 wxUserScriptLogMapper.deleteWxUserScriptLogByWxUserId(wxUserMember.getId());
                 // wx_user_tag 用户标签关联表
                 wxUserTagMapper.deleteWxUserTagByUserId(wxUserMember.getId());
+                // wx_instrument_serial 仪器序列号解绑
+                WxUserInstrument query = new WxUserInstrument();
+                query.setUserId(wxUserMember.getId());
+                query.setBindingStatus(BindingStatusEnums.BINDED.getCode());
+                query.setStatus(Status.OK.getCode().longValue());
+                List<WxUserInstrument> wxUserInstruments = wxUserInstrumentMapper.selectWxUserInstrumentList(query);
+                if (wxUserInstruments != null && wxUserInstruments.size() > 0) {
+                    List<String> serialList = wxUserInstruments.stream().map(WxUserInstrument::getSerial).collect(Collectors.toList());
+                    for (String serial : serialList) {
+                        WxInstrumentSerial wxInstrumentSerial = new WxInstrumentSerial();
+                        wxInstrumentSerial.setSerial(serial);
+                        wxInstrumentSerial.setBindingStatus(BindingStatusEnums.UN_BOUND.getCode());
+                        wxInstrumentSerial.setCreateBy(SecurityUtils.getUsername());
+                        wxInstrumentSerial.setCreateTime(DateUtils.getNowDate());
+                        wxInstrumentSerialMapper.updateBySerial(wxInstrumentSerial);
+                    }
+                }
+                // wx_user_instrument 用户仪器关联表
+                wxUserInstrumentMapper.deleteByUserId(wxUserMember.getId());
+                // wx_user_instrument_log 用户仪器关联表记录
+                wxUserInstrumentLogMapper.deleteByUserId(wxUserMember.getId());
             }
         }
         // wx_user_member 微信用户表