diff --git a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/ProductEncodeCfgExtService.java b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/ProductEncodeCfgExtService.java
index 86e23d0..c73a4fb 100644
--- a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/ProductEncodeCfgExtService.java
+++ b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/ProductEncodeCfgExtService.java
@@ -36,10 +36,12 @@ public class ProductEncodeCfgExtService implements IProductEncodeCfgExtService {
         model.setCodeType(codeType);
         switch (MesPcnExtEnumUtil.ENCODE_CODE_TYPE.getByValue(codeType)) {
             case SERIAL_SN :
+                model.setMatchType(partDb.getProcessMatchType());
+                break;
             case STANDARD_SERIAL_SN :
             case REWORK_SERIAL_SN :
             case ATTEMPT_SERIAL_SN :
-                model.setMatchType(partDb.getProcessMatchType());
+                model.setMatchType(partDb.getProductMatchType());
                 break;
             case PACK_SN :
                 model.setMatchType(partDb.getPackageMatchType());