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 4bc4f46..148f249 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
@@ -43,7 +43,7 @@ public class OrderNoMakeUtil {
         String serialNoFormatStr = MessageFormat.format(PlatformConstWords.SERIAL_NO_FORMAT, orderNoRule.getSerialNoLength());
 
         // 判断是否首次生成（SerialNo初始值-1）
-        if (orderNoRule.getSerialNo() > 0) {
+        if (orderNoRule.getSerialNo() > 0 && orderNo.indexOf(PlatformConstWords.SERIAL_NO) != -1) {
             String newNo = orderNo.substring(0,orderNo.indexOf(PlatformConstWords.SERIAL_NO));
             String oldNo = orderNoRule.getOrderNo().substring(0,orderNo.indexOf(PlatformConstWords.SERIAL_NO));
             // 前缀（日期）不同后是否重置流水号