diff --git a/so/src/private/nccloud/api/impl/so/m30/APISaleOrderMaitainImpl.java b/so/src/private/nccloud/api/impl/so/m30/APISaleOrderMaitainImpl.java
index e454211..49d9028 100644
--- a/so/src/private/nccloud/api/impl/so/m30/APISaleOrderMaitainImpl.java
+++ b/so/src/private/nccloud/api/impl/so/m30/APISaleOrderMaitainImpl.java
@@ -1799,6 +1799,12 @@ public class APISaleOrderMaitainImpl implements IAPISaleOrderMaitain {
 
                 // 构建并执行更新SQL
                 String updateSql = "UPDATE mm_mo SET vdef8 = '[vdef8]', vdef14 = '[vdef14]' WHERE vfirstbid = '[bid]'";
+                if (StringUtils.isEmpty(vbdef13)) {
+                    vbdef13 = "~";
+                }
+                if (StringUtils.isEmpty(vbdef22)) {
+                    vbdef22 = "~";
+                }
                 updateSql = updateSql.replace("[vdef8]", vbdef13);
                 updateSql = updateSql.replace("[vdef14]", vbdef22);
                 updateSql = updateSql.replace("[bid]", csaleorderbid);