diff --git a/flossom-modules/flossom-mini-program/src/main/java/com/flossom/miniProgram/service/impl/WxInstrumentServiceImpl.java b/flossom-modules/flossom-mini-program/src/main/java/com/flossom/miniProgram/service/impl/WxInstrumentServiceImpl.java
index 86dd0db..263b0c7 100644
--- a/flossom-modules/flossom-mini-program/src/main/java/com/flossom/miniProgram/service/impl/WxInstrumentServiceImpl.java
+++ b/flossom-modules/flossom-mini-program/src/main/java/com/flossom/miniProgram/service/impl/WxInstrumentServiceImpl.java
@@ -1,7 +1,5 @@
 package com.flossom.miniProgram.service.impl;
 
-import com.alibaba.nacos.common.utils.CollectionUtils;
-import com.fasterxml.jackson.annotation.JsonFormat;
 import com.flossom.common.core.domain.entity.*;
 import com.flossom.common.core.domain.ret.WxBindingInstrumentInfo;
 import com.flossom.common.core.domain.ret.WxModeRet;
@@ -451,7 +449,7 @@ public class WxInstrumentServiceImpl implements IWxInstrumentService {
         query.setInstrumentId(instrumentId);
         query.setBindingStatus(BindingStatusEnums.BINDED.getCode());
         List<WxUserInstrument> wxUserInstrumentList = wxUserInstrumentMapper.selectListByUserIdAndInstrumentId(query);
-        if (wxUserInstrumentList == null || wxUserInstrumentList.size() != 0) {
+        if (wxUserInstrumentList == null || wxUserInstrumentList.size() != 1) {
             throw new ServiceException("没有绑定该仪器");
         }
         WxUserInstrument wxUserInstrument = wxUserInstrumentList.get(0);