diff --git a/src/main/java/com/glxp/api/constant/Constant.java b/src/main/java/com/glxp/api/constant/Constant.java
index a8298246..a304dc01 100644
--- a/src/main/java/com/glxp/api/constant/Constant.java
+++ b/src/main/java/com/glxp/api/constant/Constant.java
@@ -261,4 +261,6 @@ public class Constant {
 
     public static final String SYNC_REMARK = "syncRemark";
 
+    public static final String SERIAL_CACHE_PREFIX_PLACE = "serialplace_";
+
 }
diff --git a/src/main/java/com/glxp/api/req/inv/FilterInvPreinProductRequest.java b/src/main/java/com/glxp/api/req/inv/FilterInvPreinProductRequest.java
index 17d12d19..513e0a1a 100644
--- a/src/main/java/com/glxp/api/req/inv/FilterInvPreinProductRequest.java
+++ b/src/main/java/com/glxp/api/req/inv/FilterInvPreinProductRequest.java
@@ -87,6 +87,8 @@ public class FilterInvPreinProductRequest extends ListPageRequest {
      * 仓库编码
      */
     private String invCode;
+    //  货位编码
+    private String spaceCode;
 
     /**
      * 仓库数组
diff --git a/src/main/java/com/glxp/api/util/GennerOrderUtils.java b/src/main/java/com/glxp/api/util/GennerOrderUtils.java
index 55258eee..fa5bf4ef 100644
--- a/src/main/java/com/glxp/api/util/GennerOrderUtils.java
+++ b/src/main/java/com/glxp/api/util/GennerOrderUtils.java
@@ -196,4 +196,5 @@ public class GennerOrderUtils {
         return completionSerial("D", incrementalSerial, 4);
     }
 
+
 }