diff --git a/backend/src/main/java/com/qqchen/deploy/backend/service/impl/RoleTagServiceImpl.java b/backend/src/main/java/com/qqchen/deploy/backend/service/impl/RoleTagServiceImpl.java
index dfda11f0..769122bc 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/service/impl/RoleTagServiceImpl.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/service/impl/RoleTagServiceImpl.java
@@ -2,12 +2,14 @@ package com.qqchen.deploy.backend.service.impl;
 
 import com.qqchen.deploy.backend.entity.RoleTag;
 import com.qqchen.deploy.backend.framework.enums.ResponseCode;
+import com.qqchen.deploy.backend.framework.exception.BusinessException;
 import com.qqchen.deploy.backend.framework.exception.UniqueConstraintException;
 import com.qqchen.deploy.backend.framework.service.impl.BaseServiceImpl;
 import com.qqchen.deploy.backend.model.RoleTagDTO;
 import com.qqchen.deploy.backend.repository.IRoleTagRepository;
 import com.qqchen.deploy.backend.service.IRoleTagService;
 import com.qqchen.deploy.backend.framework.annotation.ServiceType;
+import jakarta.transaction.Transactional;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import jakarta.annotation.Resource;
@@ -33,4 +35,15 @@ public class RoleTagServiceImpl extends BaseServiceImpl<RoleTag, RoleTagDTO, Lon
             throw new UniqueConstraintException(ResponseCode.ROLE_TAG_NAME_EXISTS, "name", dto.getName());
         }
     }
+
+    @Override
+    @Transactional
+    public void delete(Long id) {
+        RoleTag tag = findEntityById(id);
+        // 检查标签是否正在使用
+        if (!tag.getRoles().isEmpty()) {
+            throw new BusinessException(ResponseCode.ROLE_TAG_IN_USE);
+        }
+        super.delete(id);
+    }
 } 
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