diff --git a/ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/service/mscase/impl/MsCaseApplicationServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/service/mscase/impl/MsCaseApplicationServiceImpl.java
index ea13d31..c157816 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/service/mscase/impl/MsCaseApplicationServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/service/mscase/impl/MsCaseApplicationServiceImpl.java
@@ -3232,6 +3232,8 @@ public class MsCaseApplicationServiceImpl implements MsCaseApplicationService {
                     if (CollectionUtil.isNotEmpty(agentUser.getRoles())) {
                         longList = agentUser.getRoles().stream().map(SysRole::getRoleId).collect(Collectors.toList());
                         if (!longList.contains(roleId)) {
+                            // 删除之前关联的角色
+                            userRoleMapper.deleteUserRoleByUserId(agentUser.getUserId());
                             userRoleMapper.insertUserRole(agentUser.getUserId(), roleId);
                         }
                     } else {