diff --git a/admin-api/java-api/src/main/java/net/lab1024/smartadmin/service/module/support/idgenerator/domain/IdGeneratorLastNumberDTO.java b/admin-api/java-api/src/main/java/net/lab1024/smartadmin/service/module/support/idgenerator/domain/IdGeneratorLastNumberDTO.java
deleted file mode 100644
index c7466658..00000000
--- a/admin-api/java-api/src/main/java/net/lab1024/smartadmin/service/module/support/idgenerator/domain/IdGeneratorLastNumberDTO.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package net.lab1024.smartadmin.service.module.support.idgenerator.domain;
-
-import lombok.Data;
-
-import java.time.LocalDateTime;
-
-/**
- * @Auther: 罗伊
- * @Date: 2018/8/7 0007 13:33
- * @Description:
- */
-@Data
-public class IdGeneratorLastNumberDTO {
-    private LocalDateTime updateTime;
-    private Long lastNumber;
-    private LocalDateTime databaseTime;
-}
diff --git a/admin-api/java-api/src/main/resources/mapper/support/IdGeneratorRecordMapper.xml b/admin-api/java-api/src/main/resources/mapper/support/IdGeneratorRecordMapper.xml
index 37c05eab..8a7d5c5f 100644
--- a/admin-api/java-api/src/main/resources/mapper/support/IdGeneratorRecordMapper.xml
+++ b/admin-api/java-api/src/main/resources/mapper/support/IdGeneratorRecordMapper.xml
@@ -2,6 +2,7 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="net.lab1024.smartadmin.service.module.support.idgenerator.IdGeneratorRecordDao">
 
+    <!-- 查询最后生成记录 -->
     <select id="selectHistoryLastNumber" resultType="net.lab1024.smartadmin.service.module.support.idgenerator.domain.IdGeneratorRecordEntity">
         select * from t_id_generator_record
         where generator_id = #{generatorId}
@@ -11,21 +12,4 @@
         ORDER BY id DESC LIMIT 1
     </select>
 
-    <update id="replaceIdGeneratorRecord">
-        UPDATE t_id_generator_record
-        <set>
-            <if test="null != year">
-                and `year`= #{year}
-            </if>
-            <if test="null != month">
-                and `month`= #{month}
-            </if>
-            <if test="null != day">
-                and `day`= #{day}
-            </if>
-        </set>
-        where generator_id = #{generatorId}
-    </update>
-
-
 </mapper>
\ No newline at end of file