diff --git a/src/main/java/com/tailbet/controller/OpsController.java b/src/main/java/com/tailbet/controller/OpsController.java
index cd4f5c1..75de635 100644
--- a/src/main/java/com/tailbet/controller/OpsController.java
+++ b/src/main/java/com/tailbet/controller/OpsController.java
@@ -81,7 +81,19 @@ public class OpsController {
     }
 
     /**
-     * 群主设置管理员
+     * 踢出群成员
+     * <p>
+     * 操作人需为该群群主或管理员；同时从本地数据库和 OpenIM 移除成员。
+     * </p>
+     */
+    @PostMapping("/group/kick")
+    public R<Void> kickGroup(@Valid @RequestBody GroupMemberOperateDTO dto) {
+        Long operatorId = UserContext.getUserId();
+        groupService.kickUser(dto.getGroupId(), dto.getUserId(), operatorId);
+        return R.ok();
+    }
+
+    /**
      * <p>
      * 操作人需为该群群主；同时本地与 OpenIM 角色都会更新（OpenIM roleLevel=60=管理员），
      * OpenIM 同步失败会抛异常回滚本地事务，保证本地与 IM 角色一致。
diff --git a/src/main/java/com/tailbet/service/impl/GroupServiceImpl.java b/src/main/java/com/tailbet/service/impl/GroupServiceImpl.java
index c21587a..adc7258 100644
--- a/src/main/java/com/tailbet/service/impl/GroupServiceImpl.java
+++ b/src/main/java/com/tailbet/service/impl/GroupServiceImpl.java
@@ -219,8 +219,11 @@ public class GroupServiceImpl implements IGroupService {
     @Transactional
     public void kickUser(Long groupId, Long targetUserId, Long operatorId) {
         Group group = groupMapper.selectById(groupId);
+        if (group == null) {
+            throw new RuntimeException("群组不存在");
+        }
 
-        // 检查权限
+        // 检查操作人权限
         GroupMember operator = groupMemberMapper.selectOne(new LambdaQueryWrapper<GroupMember>()
                 .eq(GroupMember::getGroupId, groupId)
                 .eq(GroupMember::getUserId, operatorId));
@@ -228,8 +231,6 @@ public class GroupServiceImpl implements IGroupService {
         if (operator == null) {
             throw new RuntimeException("你不是群成员");
         }
-
-        // 只有群主和管理员可以踢人
         if (operator.getRole() != ROLE_OWNER && operator.getRole() != ROLE_ADMIN) {
             throw new RuntimeException("只有群主和管理员可以踢人");
         }
@@ -239,10 +240,18 @@ public class GroupServiceImpl implements IGroupService {
             throw new RuntimeException("不能踢出群主");
         }
 
-        // 删除成员
-        groupMemberMapper.delete(new LambdaQueryWrapper<GroupMember>()
+        GroupMember target = groupMemberMapper.selectOne(new LambdaQueryWrapper<GroupMember>()
                 .eq(GroupMember::getGroupId, groupId)
                 .eq(GroupMember::getUserId, targetUserId));
+        if (target == null) {
+            throw new RuntimeException("目标用户不是群成员");
+        }
+
+        // 先同步 OpenIM，失败时事务回滚，避免本地与 IM 状态不一致
+        openIMApiClient.kickGroupMember(
+                String.valueOf(groupId), List.of(String.valueOf(targetUserId)));
+
+        groupMemberMapper.deleteById(target.getId());
 
         // 审计日志
         auditService.log(groupId, null, operatorId, "KICK_USER",