diff --git a/docs/jsh_erp(后续更新参考这个更新).sql b/docs/jsh_erp(后续更新参考这个更新).sql
index a147130d..7667405b 100644
--- a/docs/jsh_erp(后续更新参考这个更新).sql
+++ b/docs/jsh_erp(后续更新参考这个更新).sql
@@ -1678,3 +1678,9 @@ CREATE TABLE `jsh_tenant` (
 -- 给租户表增加数据
 -- ----------------------------
 INSERT INTO `jsh_tenant` VALUES ('13', '63', 'jsh', '20', '2000', null);
+
+-- ----------------------------
+-- 时间：2019年7月10日
+-- 删除函数
+-- ----------------------------
+DROP FUNCTION IF EXISTS `_nextval`;
\ No newline at end of file
diff --git a/docs/jsh_erp(第一次建库请使用这个).sql b/docs/jsh_erp(第一次建库请使用这个).sql
index d9fe1a7f..1747c2a5 100644
--- a/docs/jsh_erp(第一次建库请使用这个).sql
+++ b/docs/jsh_erp(第一次建库请使用这个).sql
@@ -1908,29 +1908,3 @@ INSERT INTO `jsh_tenant` VALUES ('17', '126', '123123', '2', '200', null);
 INSERT INTO `jsh_tenant` VALUES ('17', '127', '2345123', '2', '200', null);
 INSERT INTO `jsh_tenant` VALUES ('17', '128', 'q12341243', '2', '200', null);
 INSERT INTO `jsh_tenant` VALUES ('17', '130', 'jsh666', '2', '200', null);
-
--- ----------------------------
--- Function structure for `_nextval`
--- ----------------------------
-DROP FUNCTION IF EXISTS `_nextval`;
-DELIMITER ;;
-CREATE FUNCTION `_nextval`(name varchar(50)) RETURNS mediumtext CHARSET utf8
-begin
-declare _cur bigint;
-declare _maxvalue bigint;  -- 接收最大值
-declare _increment int; -- 接收增长步数
-set _increment = (select increment_val from tbl_sequence where seq_name = name);
-set _maxvalue = (select max_value from tbl_sequence where seq_name = name);
-set _cur = (select current_val from tbl_sequence where seq_name = name for update);
-update tbl_sequence                      -- 更新当前值
- set current_val = _cur + increment_val
- where seq_name = name ;
-if(_cur + _increment >= _maxvalue) then  -- 判断是都达到最大值
-      update tbl_sequence
-        set current_val = minvalue
-        where seq_name = name ;
-end if;
-return _cur;
-end
-;;
-DELIMITER ;
diff --git a/docs/华夏ERP数据库设计汇总.xlsx b/docs/华夏ERP数据库设计汇总.xlsx
index a9c3a302..2fdc8ba4 100644
Binary files a/docs/华夏ERP数据库设计汇总.xlsx and b/docs/华夏ERP数据库设计汇总.xlsx differ
diff --git a/src/main/java/com/jsh/erp/datasource/mappers/DepotHeadMapperEx.java b/src/main/java/com/jsh/erp/datasource/mappers/DepotHeadMapperEx.java
index 6cfecf33..10b5e348 100644
--- a/src/main/java/com/jsh/erp/datasource/mappers/DepotHeadMapperEx.java
+++ b/src/main/java/com/jsh/erp/datasource/mappers/DepotHeadMapperEx.java
@@ -111,10 +111,11 @@ public interface DepotHeadMapperEx {
      * */
     void updatedepotHead(DepotHead depotHead);
 
+    void updateBuildOnlyNumber();
     /**
      * 获得一个全局唯一的数作为订单号的追加
      * */
-     Long  getBuildOnlyNumber(@Param("seq_name") String seq_name);
+    Long getBuildOnlyNumber(@Param("seq_name") String seq_name);
 
     int batchDeleteDepotHeadByIds(@Param("updateTime") Date updateTime, @Param("updater") Long updater, @Param("ids") String ids[]);
 
diff --git a/src/main/java/com/jsh/erp/service/depotHead/DepotHeadService.java b/src/main/java/com/jsh/erp/service/depotHead/DepotHeadService.java
index 1167252b..00030dc6 100644
--- a/src/main/java/com/jsh/erp/service/depotHead/DepotHeadService.java
+++ b/src/main/java/com/jsh/erp/service/depotHead/DepotHeadService.java
@@ -264,10 +264,12 @@ public class DepotHeadService {
     /**
      * 创建一个唯一的序列号
      * */
-    public  String buildOnlyNumber()throws Exception{
+    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
+    public String buildOnlyNumber()throws Exception{
         Long buildOnlyNumber=null;
         synchronized (this){
             try{
+                depotHeadMapperEx.updateBuildOnlyNumber(); //编号+1
                 buildOnlyNumber= depotHeadMapperEx.getBuildOnlyNumber(BusinessConstants.DEPOT_NUMBER_SEQ);
             }catch(Exception e){
                 logger.error("异常码[{}],异常提示[{}],异常[{}]",
@@ -275,7 +277,6 @@ public class DepotHeadService {
                 throw new BusinessRunTimeException(ExceptionConstants.DATA_WRITE_FAIL_CODE,
                         ExceptionConstants.DATA_WRITE_FAIL_MSG);
             }
-
         }
         if(buildOnlyNumber<BusinessConstants.SEQ_TO_STRING_MIN_LENGTH){
            StringBuffer sb=new StringBuffer(buildOnlyNumber.toString());
diff --git a/src/main/resources/mapper_xml/DepotHeadMapperEx.xml b/src/main/resources/mapper_xml/DepotHeadMapperEx.xml
index ea80ed71..73ea0a08 100644
--- a/src/main/resources/mapper_xml/DepotHeadMapperEx.xml
+++ b/src/main/resources/mapper_xml/DepotHeadMapperEx.xml
@@ -434,8 +434,13 @@
         </set>
         where Id = #{id,jdbcType=BIGINT}
     </update>
+
+    <update id="updateBuildOnlyNumber">
+        update tbl_sequence set current_val = current_val + 1 where seq_name = 'depot_number_seq'
+    </update>
+
     <select id="getBuildOnlyNumber" resultType="java.lang.Long">
-      select _nextval(#{seq_name}) from dual;
+      select current_val from tbl_sequence where seq_name = 'depot_number_seq'
     </select>
 
     <update id="batchDeleteDepotHeadByIds">