diff --git a/src/main/java/com/imyeyu/api/modules/common/service/AttachmentService.java b/src/main/java/com/imyeyu/api/modules/common/service/AttachmentService.java
index 44869e4..4d709d2 100644
--- a/src/main/java/com/imyeyu/api/modules/common/service/AttachmentService.java
+++ b/src/main/java/com/imyeyu/api/modules/common/service/AttachmentService.java
@@ -4,8 +4,6 @@ import com.imyeyu.api.modules.common.entity.Attachment;
 import com.imyeyu.api.modules.common.vo.attachment.AttachmentRequest;
 import com.imyeyu.api.modules.common.vo.attachment.AttachmentView;
 import com.imyeyu.java.bean.timi.TimiException;
-import com.imyeyu.spring.bean.Page;
-import com.imyeyu.spring.bean.PageResult;
 import com.imyeyu.spring.service.DeletableService;
 import com.imyeyu.spring.service.DestroyableService;
 import com.imyeyu.spring.service.GettableService;
@@ -81,5 +79,5 @@ public interface AttachmentService extends GettableService<Attachment, Long>, Pa
 
 	List<Attachment> listByMd5s(Attachment.BizType bizType, Long bizId, List<Enum<?>> attachTypeList, List<String> md5s) throws TimiException;
 
-	PageResult<Attachment> pageByBizId(Attachment.BizType bizType, Long bizId, List<Enum<?>> attachTypeList, Page page) throws TimiException;
+	void deleteByBizId(Attachment.BizType bizType, long bizId, Enum<?> ...attachTypes);
 }
diff --git a/src/main/java/com/imyeyu/api/modules/common/service/implement/AttachmentServiceImplement.java b/src/main/java/com/imyeyu/api/modules/common/service/implement/AttachmentServiceImplement.java
index 8e5dcdb..aed0371 100644
--- a/src/main/java/com/imyeyu/api/modules/common/service/implement/AttachmentServiceImplement.java
+++ b/src/main/java/com/imyeyu/api/modules/common/service/implement/AttachmentServiceImplement.java
@@ -15,8 +15,6 @@ import com.imyeyu.java.TimiJava;
 import com.imyeyu.java.bean.timi.TimiCode;
 import com.imyeyu.java.bean.timi.TimiException;
 import com.imyeyu.network.Network;
-import com.imyeyu.spring.bean.Page;
-import com.imyeyu.spring.bean.PageResult;
 import com.imyeyu.spring.mapper.BaseMapper;
 import com.imyeyu.spring.service.AbstractEntityService;
 import com.imyeyu.utils.Time;
@@ -244,10 +242,17 @@ public class AttachmentServiceImplement extends AbstractEntityService<Attachment
 	}
 
 	@Override
-	public PageResult<Attachment> pageByBizId(Attachment.BizType bizType, Long bizId, List<Enum<?>> attachTypeList, Page page) throws TimiException {
-		PageResult<Attachment> result = new PageResult<>();
-		result.setList(mapper.listByBizId(bizType, bizId, attachTypeList, page));
-		result.setTotal(mapper.countByBizId(bizType, bizId, attachTypeList));
-		return result;
+	public void deleteByBizId(Attachment.BizType bizType, long bizId, Enum<?>... attachTypes) {
+		Attachment example = new Attachment();
+		example.setBizType(bizType);
+		example.setBizId(bizId);
+		if (TimiJava.isEmpty(attachTypes)) {
+			mapper.deleteAllByExample(example);
+		} else {
+			for (int i = 0; i < attachTypes.length; i++) {
+				example.setAttachTypeValue(attachTypes[i]);
+				mapper.deleteAllByExample(example);
+			}
+		}
 	}
 }
diff --git a/src/main/resources/mapper/common/AttachmentMapper.xml b/src/main/resources/mapper/common/AttachmentMapper.xml
index 39ec732..bc4b472 100644
--- a/src/main/resources/mapper/common/AttachmentMapper.xml
+++ b/src/main/resources/mapper/common/AttachmentMapper.xml
@@ -67,6 +67,12 @@
 					#{item}
 				</foreach>
 			</if>
+			<if test="md5s != null and 0 &lt; md5s.size()">
+				AND `md5` IN
+				<foreach collection="md5s" item="md5" open="(" separator="," close=")">
+					#{md5}
+				</foreach>
+			</if>
 			AND deleted_at IS NULL
 			AND destroy_at IS NULL
 	</select>