diff --git a/modules/i3plus-core-apiservice/src/main/java/cn/estsh/i3plus/core/apiservice/serviceimpl/base/SynchronizedService.java b/modules/i3plus-core-apiservice/src/main/java/cn/estsh/i3plus/core/apiservice/serviceimpl/base/SynchronizedService.java
index 0bec397..c4ee0db 100644
--- a/modules/i3plus-core-apiservice/src/main/java/cn/estsh/i3plus/core/apiservice/serviceimpl/base/SynchronizedService.java
+++ b/modules/i3plus-core-apiservice/src/main/java/cn/estsh/i3plus/core/apiservice/serviceimpl/base/SynchronizedService.java
@@ -45,7 +45,7 @@ public class SynchronizedService implements ISynchronizedService {
     private RabbitTemplate rabbitTemplate;
 
     @Override
-    public synchronized SysOrderNoRule nextOrderNo(String code) {
+    public SysOrderNoRule nextOrderNo(String code) {
         List<SysOrderNoRule> list = nextOrderNo(code, NumberUtils.INTEGER_ONE);
         if (CollectionUtils.isEmpty(list)) {
             throw ImppExceptionBuilder.newInstance()
diff --git a/modules/i3plus-core-apiservice/src/main/java/cn/estsh/i3plus/core/apiservice/util/OrderNoMakeUtil.java b/modules/i3plus-core-apiservice/src/main/java/cn/estsh/i3plus/core/apiservice/util/OrderNoMakeUtil.java
index abe4414..79c57a9 100644
--- a/modules/i3plus-core-apiservice/src/main/java/cn/estsh/i3plus/core/apiservice/util/OrderNoMakeUtil.java
+++ b/modules/i3plus-core-apiservice/src/main/java/cn/estsh/i3plus/core/apiservice/util/OrderNoMakeUtil.java
@@ -7,6 +7,7 @@ import cn.estsh.i3plus.pojo.platform.bean.SysOrderNoRule;
 import cn.estsh.impp.framework.boot.exception.ImppExceptionBuilder;
 import org.apache.commons.lang3.StringUtils;
 
+import java.math.BigDecimal;
 import java.text.MessageFormat;
 import java.text.SimpleDateFormat;
 
@@ -24,6 +25,8 @@ public class OrderNoMakeUtil {
     private OrderNoMakeUtil() {
     }
 
+    public static final BigDecimal TEN = new BigDecimal(10);
+
     public static String getOrderNoTemplate(SysOrderNoRule orderNoRule) {
         // 数据校验
         if (orderNoRule == null || StringUtils.isBlank(orderNoRule.getOrderNoRule())) {
@@ -50,7 +53,6 @@ public class OrderNoMakeUtil {
     }
 
     /**
-     *
      * @param orderNoRule
      * @param orderNoTemplate
      * @return
@@ -75,15 +77,17 @@ public class OrderNoMakeUtil {
                 orderNoRule.setSerialNo(serialNo);
             }
 
+            BigDecimal maxSerialNo = TEN.pow(orderNoRule.getSerialNoLength()).subtract(BigDecimal.ONE);
             if (CommonEnumUtil.TRUE_OR_FALSE.valueOfBoolean(orderNoRule.getIsFixedLength())
-                    && String.valueOf(serialNo).length() > orderNoRule.getSerialNoLength()) {
-                orderNoRule.setSerialNo(orderNoRule.getSerialNoSeed());
+                    && serialNo > maxSerialNo.longValue()) {
+                serialNo = new BigDecimal(serialNo).remainder(maxSerialNo).longValue();
+                orderNoRule.setSerialNo(serialNo == 0 ? maxSerialNo.longValue() : serialNo);
             }
         } else {
             orderNoRule.setSerialNo(orderNoRule.getSerialNoSeed() * orderNoRule.getSerialNoIncrement());
         }
 
-        orderNoRule.setOrderNo(orderNoTemplate.replace(SERIAL_NO,String.format(serialNoFormatStr, orderNoRule.getSerialNo())));
+        orderNoRule.setOrderNo(orderNoTemplate.replace(SERIAL_NO, String.format(serialNoFormatStr, orderNoRule.getSerialNo())));
         return orderNoRule;
     }
 
diff --git a/modules/i3plus-core-apiservice/src/test/java/test/cn/estsh/i3plus/core/apiservice/util/TestOrderNoMakeUtil.java b/modules/i3plus-core-apiservice/src/test/java/test/cn/estsh/i3plus/core/apiservice/util/TestOrderNoMakeUtil.java
index 2bc5e2e..31bb0d3 100644
--- a/modules/i3plus-core-apiservice/src/test/java/test/cn/estsh/i3plus/core/apiservice/util/TestOrderNoMakeUtil.java
+++ b/modules/i3plus-core-apiservice/src/test/java/test/cn/estsh/i3plus/core/apiservice/util/TestOrderNoMakeUtil.java
@@ -1,34 +1,34 @@
-package cn.estsh.i3plus.core.apiservice.util;
-
-import cn.estsh.i3plus.core.apiservice.serviceimpl.busi.TestBase;
-import cn.estsh.i3plus.pojo.platform.bean.SysOrderNoRule;
-import org.junit.Test;
-
-/**
- * @Description :
- * @Reference :
- * @Author : yunhao
- * @CreateDate : 2018-11-21 19:45
- * @Modify:
- **/
-public class TestOrderNoMakeUtil extends TestBase {
-
-    @Test
-    public void TestMakeOrderNo() {
-        SysOrderNoRule sysOrderNoRule = new SysOrderNoRule();
-        sysOrderNoRule.setName("一号单据");
-        sysOrderNoRule.setOrderNoRule("GG-{yyyy}{MM}{dd}{serialNo}");
-        sysOrderNoRule.setSerialNoSeed(1L);
-        sysOrderNoRule.setSerialNoIncrement(1L);
-        sysOrderNoRule.setSerialNoLength(4L);
-        sysOrderNoRule.setSerialNo(9999L);
-        sysOrderNoRule.setIsCycle(1);
-
-        String orderNoTemplate = OrderNoMakeUtil.getOrderNoTemplate(sysOrderNoRule);
-        System.out.println(OrderNoMakeUtil.next(sysOrderNoRule,orderNoTemplate));
-
-//       String d= MessageFormat.format("%0{0}d", 3);
-//        System.out.println(d);
-    }
-
-}
+//package cn.estsh.i3plus.core.apiservice.util;
+//
+//import cn.estsh.i3plus.core.apiservice.serviceimpl.busi.TestBase;
+//import cn.estsh.i3plus.pojo.platform.bean.SysOrderNoRule;
+//import org.junit.Test;
+//
+///**
+// * @Description :
+// * @Reference :
+// * @Author : yunhao
+// * @CreateDate : 2018-11-21 19:45
+// * @Modify:
+// **/
+//public class TestOrderNoMakeUtil extends TestBase {
+//
+//    @Test
+//    public void TestMakeOrderNo() {
+//        SysOrderNoRule sysOrderNoRule = new SysOrderNoRule();
+//        sysOrderNoRule.setName("一号单据");
+//        sysOrderNoRule.setOrderNoRule("GG-{yyyy}{MM}{dd}{serialNo}");
+//        sysOrderNoRule.setSerialNoSeed(1L);
+//        sysOrderNoRule.setSerialNoIncrement(1L);
+//        sysOrderNoRule.setSerialNoLength(4L);
+//        sysOrderNoRule.setSerialNo(9999L);
+//        sysOrderNoRule.setIsCycle(1);
+//
+//        String orderNoTemplate = OrderNoMakeUtil.getOrderNoTemplate(sysOrderNoRule);
+//        System.out.println(OrderNoMakeUtil.next(sysOrderNoRule,orderNoTemplate));
+//
+////       String d= MessageFormat.format("%0{0}d", 3);
+////        System.out.println(d);
+//    }
+//
+//}