diff --git a/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImUserController.java b/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImUserController.java
index 221eebe..ac7e2d8 100644
--- a/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImUserController.java
+++ b/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImUserController.java
@@ -63,7 +63,7 @@ public class ImUserController extends BaseController {
      */
     @SaCheckPermission("im:user:export")
     @Log(title = "用户", businessType = BusinessType.EXPORT)
-    @PostMapping("/export")
+    //@PostMapping("/export")
     public void export(ImUserBo bo, HttpServletResponse response) {
         List<ImUserVo> list = userService.queryList(bo);
         ExcelUtil.exportExcel(list, "用户", ImUserVo.class, response);
@@ -148,7 +148,7 @@ public class ImUserController extends BaseController {
     /**
      * 查询客服列表
      */
-    @SaCheckPermission("im:user:list")
+    @SaCheckPermission("im:user:listCustomer")
     @GetMapping("/listCustomer")
     public TableDataInfo<ImUserVo> listCustomer(ImUserBo bo, PageQuery pageQuery) {
         System.out.println("ImUserBo" + bo);
@@ -159,7 +159,7 @@ public class ImUserController extends BaseController {
     /**
      * 新增客服(isCustomer-2)
      */
-    @SaCheckPermission("im:user:list")
+    @SaCheckPermission("im:user:addCustomer")
     @PostMapping("/addCustomer")
     public R addCustomer(@RequestBody ImUser user) {
         // 昵称默认跟用户名保持一致
@@ -195,7 +195,7 @@ public class ImUserController extends BaseController {
     /**
      * 删除客服
      */
-    @SaCheckPermission("im:user:list")
+    @SaCheckPermission("im:user:removeCustomer")
     @PostMapping("/removeCustomer")
     public R removeCustomer(@RequestBody List<Long> ids) {
 
@@ -207,7 +207,7 @@ public class ImUserController extends BaseController {
     /**
      * 修改客服
      */
-    @SaCheckPermission("im:user:list")
+    @SaCheckPermission("im:user:editCustomer")
     @PostMapping("/editCustomer")
     public R editCustomer(@RequestBody ImUser user) {
 
@@ -223,9 +223,9 @@ public class ImUserController extends BaseController {
     }
 
     /**
-     * 修改客服
+     * 重置客服密码
      */
-    @SaCheckPermission("im:user:list")
+    @SaCheckPermission("im:user:resetPwdCustomer")
     @PostMapping("/resetPwdCustomer")
     public R resetPwdCustomer(@RequestBody ImUser user) {
         Long id = user.getId();
@@ -247,7 +247,7 @@ public class ImUserController extends BaseController {
     /**
      * 批量修改用户信息（标签和群组）
      */
-    @SaCheckPermission("im:user:edit")
+    @SaCheckPermission("im:user:editGroupAndLabel")
     @Log(title = "用户", businessType = BusinessType.UPDATE)
     @PostMapping("/updateBatchUser")
     public R updateBatchUser(@RequestBody List<BatchUpdateUserDto> list) {
diff --git a/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImUserLabelController.java b/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImUserLabelController.java
index fb85e16..b42c5cb 100644
--- a/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImUserLabelController.java
+++ b/im-admin/ruoyi-im/src/main/java/org/dromara/im/controller/ImUserLabelController.java
@@ -51,7 +51,7 @@ public class ImUserLabelController extends BaseController {
      */
     @SaCheckPermission("im:userLabel:export")
     @Log(title = "用户分组", businessType = BusinessType.EXPORT)
-    @PostMapping("/export")
+    //@PostMapping("/export")
     public void export(ImUserLabelBo bo, HttpServletResponse response) {
         List<ImUserLabelVo> list = imUserLabelService.queryList(bo);
         ExcelUtil.exportExcel(list, "用户分组", ImUserLabelVo.class, response);
diff --git a/im-admin/ruoyi-im/src/main/java/org/dromara/im/mapper/ImUserMapper.java b/im-admin/ruoyi-im/src/main/java/org/dromara/im/mapper/ImUserMapper.java
index 99e018b..de37ed0 100644
--- a/im-admin/ruoyi-im/src/main/java/org/dromara/im/mapper/ImUserMapper.java
+++ b/im-admin/ruoyi-im/src/main/java/org/dromara/im/mapper/ImUserMapper.java
@@ -29,4 +29,18 @@ public interface ImUserMapper extends BaseMapperPlus<ImUser, ImUserVo> {
         "ORDER BY date ASC")
     List<Map<String, Object>> getDailyRegistrationCount(@Param("days") Integer days);
 
+    /**
+     * 按天统计用户注册数量（带uniqueToken条件）
+     * @param days 统计天数
+     * @param uniqueToken 唯一标识
+     * @return 统计结果
+     */
+    @Select("SELECT DATE(created_time) as date, COUNT(*) as count " +
+        "FROM im_user " +
+        "WHERE created_time >= DATE_SUB(CURDATE(), INTERVAL #{days} DAY) " +
+        "AND unique_token = #{uniqueToken} " +
+        "GROUP BY DATE(created_time) " +
+        "ORDER BY date ASC")
+    List<Map<String, Object>> getDailyRegistrationCount(@Param("days") Integer days, @Param("uniqueToken") String uniqueToken);
+
 }
diff --git a/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImUserGroupServiceImpl.java b/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImUserGroupServiceImpl.java
index c6de38d..ca74968 100644
--- a/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImUserGroupServiceImpl.java
+++ b/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImUserGroupServiceImpl.java
@@ -1,5 +1,6 @@
 package org.dromara.im.service.impl;
 
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import org.dromara.common.core.utils.MapstructUtils;
 import org.dromara.common.core.utils.StringUtils;
 import org.dromara.common.mybatis.core.page.TableDataInfo;
@@ -9,7 +10,10 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.dynamic.datasource.annotation.DS;
 import lombok.RequiredArgsConstructor;
+import org.dromara.common.satoken.utils.LoginHelper;
 import org.dromara.im.constant.ImConstant;
+import org.dromara.im.service.IImAgentService;
+import org.dromara.im.util.LambdaQueryWrapperHelper;
 import org.springframework.stereotype.Service;
 import org.dromara.im.domain.bo.ImUserGroupBo;
 import org.dromara.im.domain.vo.ImUserGroupVo;
@@ -34,6 +38,8 @@ public class ImUserGroupServiceImpl implements IImUserGroupService {
 
     private final ImUserGroupMapper baseMapper;
 
+    private final IImAgentService imAgentService;
+
     /**
      * 查询用户分组
      *
@@ -42,7 +48,14 @@ public class ImUserGroupServiceImpl implements IImUserGroupService {
      */
     @Override
     public ImUserGroupVo queryById(Long id){
-        return baseMapper.selectVoById(id);
+        LambdaQueryWrapper<ImUserGroup> lqw = Wrappers.lambdaQuery();
+        lqw.eq(ImUserGroup::getId, id);
+
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(lqw, ImUserGroup::getUniqueToken);
+        }
+
+        return baseMapper.selectVoOne(lqw);
     }
 
     /**
@@ -78,7 +91,13 @@ public class ImUserGroupServiceImpl implements IImUserGroupService {
      */
     @Override
     public List<ImUserGroup> queryAllList() {
-        return baseMapper.selectList(null);
+        LambdaQueryWrapper<ImUserGroup> lqw = Wrappers.lambdaQuery();
+
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(lqw, ImUserGroup::getUniqueToken);
+        }
+
+        return baseMapper.selectList(lqw);
     }
 
     private LambdaQueryWrapper<ImUserGroup> buildQueryWrapper(ImUserGroupBo bo) {
@@ -86,6 +105,11 @@ public class ImUserGroupServiceImpl implements IImUserGroupService {
         LambdaQueryWrapper<ImUserGroup> lqw = Wrappers.lambdaQuery();
         lqw.like(StringUtils.isNotBlank(bo.getGroupName()), ImUserGroup::getGroupName, bo.getGroupName());
         lqw.eq(bo.getSort() != null, ImUserGroup::getSort, bo.getSort());
+
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(lqw, ImUserGroup::getUniqueToken);
+        }
+
         return lqw;
     }
 
@@ -98,6 +122,14 @@ public class ImUserGroupServiceImpl implements IImUserGroupService {
     @Override
     public Boolean insertByBo(ImUserGroupBo bo) {
         ImUserGroup add = MapstructUtils.convert(bo, ImUserGroup.class);
+
+        // 如果不是超级管理员，则设置 uniqueToken
+        if(!LoginHelper.isSuperAdmin()) {
+            if (add != null) {
+                add.setUniqueToken(imAgentService.getTokenByUserId());
+            }
+        }
+
         validEntityBeforeSave(add);
         boolean flag = baseMapper.insert(add) > 0;
         if (flag) {
@@ -115,8 +147,23 @@ public class ImUserGroupServiceImpl implements IImUserGroupService {
     @Override
     public Boolean updateByBo(ImUserGroupBo bo) {
         ImUserGroup update = MapstructUtils.convert(bo, ImUserGroup.class);
-        validEntityBeforeSave(update);
-        return baseMapper.updateById(update) > 0;
+        if (update == null) {
+            return false;
+        }
+
+        LambdaUpdateWrapper<ImUserGroup> updateWrapper = new LambdaUpdateWrapper<>();
+        updateWrapper.eq(ImUserGroup::getId, update.getId());
+
+        if(!LoginHelper.isSuperAdmin()) {
+            // 使用当前用户的 token 而不是从 bo 中获取，防止篡改
+            updateWrapper.eq(ImUserGroup::getUniqueToken, imAgentService.getTokenByUserId());
+        }
+
+        updateWrapper.set(ImUserGroup::getGroupName, update.getGroupName());
+        updateWrapper.set(ImUserGroup::getSort, update.getSort());
+        updateWrapper.set(ImUserGroup::getRemark, update.getRemark());
+
+        return baseMapper.update(null, updateWrapper) > 0;
     }
 
     /**
@@ -136,8 +183,19 @@ public class ImUserGroupServiceImpl implements IImUserGroupService {
     @Override
     public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
         if(isValid){
-            //TODO 做一些业务上的校验,判断是否需要校验
+            if (ids == null || ids.isEmpty()) {
+                return false;
+            }
+        }
+
+        LambdaUpdateWrapper<ImUserGroup> updateWrapper = new LambdaUpdateWrapper<>();
+        updateWrapper.in(ImUserGroup::getId, ids);
+
+        if(!LoginHelper.isSuperAdmin()) {
+            // 添加 uniqueToken 条件，确保只能删除当前用户的记录
+            updateWrapper.eq(ImUserGroup::getUniqueToken, imAgentService.getTokenByUserId());
         }
-        return baseMapper.deleteByIds(ids) > 0;
+
+        return baseMapper.delete(updateWrapper) > 0;
     }
 }
diff --git a/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImUserServiceImpl.java b/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImUserServiceImpl.java
index 0998853..70352cc 100644
--- a/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImUserServiceImpl.java
+++ b/im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImUserServiceImpl.java
@@ -12,6 +12,7 @@ import org.apache.logging.log4j.util.Strings;
 import org.dromara.common.core.utils.StringUtils;
 import org.dromara.common.mybatis.core.page.PageQuery;
 import org.dromara.common.mybatis.core.page.TableDataInfo;
+import org.dromara.common.satoken.utils.LoginHelper;
 import org.dromara.im.constant.ImConstant;
 import org.dromara.im.constant.ImRedisKey;
 import org.dromara.im.domain.ImUser;
@@ -22,10 +23,13 @@ import org.dromara.im.domain.dto.ImUserUnbanDto;
 import org.dromara.im.domain.vo.ImUserVo;
 import org.dromara.im.mapper.ImUserMapper;
 import org.dromara.im.mq.ImRedisMQTemplate;
+import org.dromara.im.service.IImAgentService;
 import org.dromara.im.service.IImUserService;
+import org.dromara.im.util.LambdaQueryWrapperHelper;
 import org.springframework.stereotype.Service;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * 用户Service业务层处理
@@ -40,6 +44,7 @@ public class ImUserServiceImpl implements IImUserService {
 
     private final ImRedisMQTemplate redisMQTemplate;
     private final ImUserMapper baseMapper;
+    private final IImAgentService imAgentService;
 
     /**
      * 查询用户
@@ -49,7 +54,14 @@ public class ImUserServiceImpl implements IImUserService {
      */
     @Override
     public ImUserVo queryById(Long id){
-        return baseMapper.selectVoById(id);
+        LambdaQueryWrapper<ImUser> lqw = Wrappers.lambdaQuery();
+        lqw.eq(ImUser::getId, id);
+
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(lqw, ImUser::getUniqueToken);
+        }
+
+        return baseMapper.selectVoOne(lqw);
     }
 
     /**
@@ -84,6 +96,11 @@ public class ImUserServiceImpl implements IImUserService {
     public void ban(ImUserBanDto dto) {
         LambdaUpdateWrapper<ImUser> wrapper = Wrappers.lambdaUpdate();
         wrapper.eq(ImUser::getId, dto.getId());
+
+        if(!LoginHelper.isSuperAdmin()) {
+            wrapper.eq(ImUser::getUniqueToken, imAgentService.getTokenByUserId());
+        }
+
         wrapper.set(ImUser::getIsBanned, true);
         wrapper.set(ImUser::getReason, dto.getReason());
         baseMapper.update(wrapper);
@@ -95,6 +112,11 @@ public class ImUserServiceImpl implements IImUserService {
     public void unban(ImUserUnbanDto dto) {
         LambdaUpdateWrapper<ImUser> wrapper = Wrappers.lambdaUpdate();
         wrapper.eq(ImUser::getId, dto.getId());
+
+        if(!LoginHelper.isSuperAdmin()) {
+            wrapper.eq(ImUser::getUniqueToken, imAgentService.getTokenByUserId());
+        }
+
         wrapper.set(ImUser::getIsBanned, false);
         wrapper.set(ImUser::getReason, Strings.EMPTY);
         baseMapper.update(wrapper);
@@ -106,6 +128,10 @@ public class ImUserServiceImpl implements IImUserService {
         wrapper.like(StringUtils.isNotBlank(bo.getUserName()), ImUser::getUserName, bo.getUserName());
         wrapper.like(StringUtils.isNotBlank(bo.getNickName()), ImUser::getNickName, bo.getNickName());
 
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(wrapper, ImUser::getUniqueToken);
+        }
+
         // 处理标签 ID 查询，支持多个标签 ID 的 AND 匹配
         if (StringUtils.isNotBlank(bo.getLabelIds())) {
             String[] labelArray = bo.getLabelIds().split(",");
@@ -136,6 +162,11 @@ public class ImUserServiceImpl implements IImUserService {
         if(StrUtil.isNotEmpty(name)){
             queryWrapper.like(ImUser::getUserName, name);
         }
+
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(queryWrapper, ImUser::getUniqueToken);
+        }
+
         queryWrapper.select(ImUser::getId, ImUser::getUserName);
         queryWrapper.orderByDesc(ImUser::getId);
         queryWrapper.last("limit 10");
@@ -147,6 +178,11 @@ public class ImUserServiceImpl implements IImUserService {
         // 取出用户名或昵称匹配的前10条
         LambdaQueryWrapper<ImUser> queryWrapper = Wrappers.lambdaQuery();
         queryWrapper.in(ImUser::getId, ids);
+
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(queryWrapper, ImUser::getUniqueToken);
+        }
+
         return baseMapper.selectVoList(queryWrapper);
     }
 
@@ -161,6 +197,13 @@ public class ImUserServiceImpl implements IImUserService {
         if (days == null || days <= 0) {
             days = 7; // 默认统计最近7天
         }
+
+        // 如果不是超级管理员，则使用带uniqueToken的方法
+        if(!LoginHelper.isSuperAdmin()) {
+            String uniqueToken = imAgentService.getTokenByUserId();
+            return baseMapper.getDailyRegistrationCount(days, uniqueToken);
+        }
+
         return baseMapper.getDailyRegistrationCount(days);
     }
 
@@ -171,7 +214,13 @@ public class ImUserServiceImpl implements IImUserService {
      */
     @Override
     public Long getTotalUserCount() {
-        return baseMapper.selectCount(null);
+        LambdaQueryWrapper<ImUser> wrapper = Wrappers.lambdaQuery();
+
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(wrapper, ImUser::getUniqueToken);
+        }
+
+        return baseMapper.selectCount(wrapper);
     }
 
 
@@ -184,6 +233,11 @@ public class ImUserServiceImpl implements IImUserService {
     public Long getDailyActiveUserCount() {
         LambdaQueryWrapper<ImUser> wrapper = Wrappers.lambdaQuery();
         wrapper.ge(ImUser::getLastLoginTime, DateUtils.addDays(new Date(), -1));
+
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(wrapper, ImUser::getUniqueToken);
+        }
+
         return baseMapper.selectCount(wrapper);
     }
 
@@ -196,6 +250,11 @@ public class ImUserServiceImpl implements IImUserService {
     public Long getWeeklyActiveUserCount() {
         LambdaQueryWrapper<ImUser> wrapper = Wrappers.lambdaQuery();
         wrapper.ge(ImUser::getLastLoginTime, DateUtils.addDays(new Date(), -7));
+
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(wrapper, ImUser::getUniqueToken);
+        }
+
         return baseMapper.selectCount(wrapper);
     }
 
@@ -208,11 +267,22 @@ public class ImUserServiceImpl implements IImUserService {
     public Long getMonthlyActiveUserCount() {
         LambdaQueryWrapper<ImUser> wrapper = Wrappers.lambdaQuery();
         wrapper.ge(ImUser::getLastLoginTime, DateUtils.addDays(new Date(), -30));
+
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(wrapper, ImUser::getUniqueToken);
+        }
+
         return baseMapper.selectCount(wrapper);
     }
 
     @Override
     public void save(ImUser user) {
+        // 如果不是超级管理员，则设置 uniqueToken
+        if(!LoginHelper.isSuperAdmin()) {
+            if (user != null) {
+                user.setUniqueToken(imAgentService.getTokenByUserId());
+            }
+        }
         baseMapper.insert(user);
     }
 
@@ -220,6 +290,11 @@ public class ImUserServiceImpl implements IImUserService {
     public ImUser findUserByUserName(String userName) {
         LambdaQueryWrapper<ImUser> wrapper = Wrappers.lambdaQuery();
         wrapper.eq(ImUser::getUserName, userName);
+
+        if(!LoginHelper.isSuperAdmin()) {
+            LambdaQueryWrapperHelper.appendToken(wrapper, ImUser::getUniqueToken);
+        }
+
         return baseMapper.selectOne(wrapper);
     }
 
@@ -233,12 +308,36 @@ public class ImUserServiceImpl implements IImUserService {
 
     @Override
     public void removeCustomer(List<Long> ids) {
-        baseMapper.deleteByIds(ids);
+        LambdaUpdateWrapper<ImUser> wrapper = Wrappers.lambdaUpdate();
+        wrapper.in(ImUser::getId, ids);
+
+        if(!LoginHelper.isSuperAdmin()) {
+            wrapper.eq(ImUser::getUniqueToken, imAgentService.getTokenByUserId());
+        }
+
+        baseMapper.delete(wrapper);
     }
 
     @Override
     public void updateCustomerById(ImUser bo) {
-        baseMapper.updateById(bo);
+        if (bo == null) {
+            return;
+        }
+
+        LambdaUpdateWrapper<ImUser> updateWrapper = new LambdaUpdateWrapper<>();
+        updateWrapper.eq(ImUser::getId, bo.getId());
+
+        if(!LoginHelper.isSuperAdmin()) {
+            updateWrapper.eq(ImUser::getUniqueToken, imAgentService.getTokenByUserId());
+        }
+
+        updateWrapper.set(ImUser::getNickName, bo.getNickName());
+        updateWrapper.set(ImUser::getLabelIds, bo.getLabelIds());
+        updateWrapper.set(ImUser::getGroupIds, bo.getGroupIds());
+        updateWrapper.set(ImUser::getHeadImage, bo.getHeadImage());
+        updateWrapper.set(ImUser::getHeadImageThumb, bo.getHeadImageThumb());
+
+        baseMapper.update(null, updateWrapper);
     }
 
     @Override
@@ -253,6 +352,16 @@ public class ImUserServiceImpl implements IImUserService {
             }
         }
 
+        //不是超级管理员，则校验 token 是否一致
+        if(!LoginHelper.isSuperAdmin()) {
+            List<ImUser> vaildList = baseMapper.selectByIds(list.stream().map(BatchUpdateUserDto::getId).collect(Collectors.toList()));
+            String uniqueToken = imAgentService.getTokenByUserId();
+            for(ImUser user : vaildList) {
+                if(!uniqueToken.equals(user.getUniqueToken()))
+                    return;
+            }
+        }
+
         List<ImUser> temp = new ArrayList<>();
         for(BatchUpdateUserDto dto : list) {
             ImUser user = new ImUser();
diff --git a/im-admin/ruoyi-im/src/main/resources/updateSql.sql b/im-admin/ruoyi-im/src/main/resources/updateSql.sql
index b611475..c37c7ad 100644
--- a/im-admin/ruoyi-im/src/main/resources/updateSql.sql
+++ b/im-admin/ruoyi-im/src/main/resources/updateSql.sql
@@ -60,4 +60,33 @@ ADD INDEX idx_token_id (unique_token, id);
 ALTER TABLE im_user_label
     ADD COLUMN unique_token VARCHAR(100) COMMENT '唯一标识token' AFTER id,
 ADD INDEX idx_unique_token (unique_token),
-ADD INDEX idx_token_id (unique_token, id);
\ No newline at end of file
+ADD INDEX idx_token_id (unique_token, id);
+
+-- 2026.4.8
+
+-- 1. 先删除所有表的 unique_token 相关索引和字段
+ALTER TABLE im_group DROP INDEX uk_unique_token, DROP INDEX idx_token_id, DROP COLUMN unique_token;
+ALTER TABLE im_group_message DROP INDEX uk_unique_token, DROP INDEX idx_token_id, DROP COLUMN unique_token;
+ALTER TABLE im_private_message DROP INDEX uk_unique_token, DROP INDEX idx_token_id, DROP COLUMN unique_token;
+ALTER TABLE im_user DROP INDEX uk_unique_token, DROP INDEX idx_token_id, DROP COLUMN unique_token;
+
+-- 2. 重新添加字段和普通索引
+ALTER TABLE im_group
+    ADD COLUMN unique_token VARCHAR(100) COMMENT '标识token' AFTER id,
+    ADD INDEX idx_unique_token (unique_token),
+    ADD INDEX idx_token_id (unique_token, id);
+
+ALTER TABLE im_group_message
+    ADD COLUMN unique_token VARCHAR(100) COMMENT '标识token' AFTER id,
+    ADD INDEX idx_unique_token (unique_token),
+    ADD INDEX idx_token_id (unique_token, id);
+
+ALTER TABLE im_private_message
+    ADD COLUMN unique_token VARCHAR(100) COMMENT '标识token' AFTER id,
+    ADD INDEX idx_unique_token (unique_token),
+    ADD INDEX idx_token_id (unique_token, id);
+
+ALTER TABLE im_user
+    ADD COLUMN unique_token VARCHAR(100) COMMENT '代理标识token' AFTER id,
+    ADD INDEX idx_unique_token (unique_token),
+    ADD INDEX idx_token_id (unique_token, id);
\ No newline at end of file