diff --git a/mhd-api/mhd-api-system/src/main/java/com/mhd/system/api/factory/RemoteOmsFeignFallbackFactory.java b/mhd-api/mhd-api-system/src/main/java/com/mhd/system/api/factory/RemoteOmsFeignFallbackFactory.java
index fc4eff84f..891442eb4 100644
--- a/mhd-api/mhd-api-system/src/main/java/com/mhd/system/api/factory/RemoteOmsFeignFallbackFactory.java
+++ b/mhd-api/mhd-api-system/src/main/java/com/mhd/system/api/factory/RemoteOmsFeignFallbackFactory.java
@@ -90,6 +90,11 @@ public class RemoteOmsFeignFallbackFactory implements FallbackFactory<OmsService
             public AjaxResult batchPushByNumber(List<String> numberList) {
                 return null;
             }
+
+            @Override
+            public AjaxResult saveSignature(ElectronicSignatureSyncDTO saveDTO) {
+                return null;
+            }
         };
     }
 }
\ No newline at end of file
diff --git a/mhd_oms/src/main/java/com/mhd/oms/domain/electronicSignature/repository/mapper/ElectronicSignatureMaterialDetailMapper.java b/mhd_oms/src/main/java/com/mhd/oms/domain/electronicSignature/repository/mapper/ElectronicSignatureMaterialDetailMapper.java
index ba5f4a1a6..cf325ca8d 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/domain/electronicSignature/repository/mapper/ElectronicSignatureMaterialDetailMapper.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/domain/electronicSignature/repository/mapper/ElectronicSignatureMaterialDetailMapper.java
@@ -3,6 +3,7 @@ package com.mhd.oms.domain.electronicSignature.repository.mapper;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.mhd.oms.domain.electronicSignature.entity.ElectronicSignatureMaterialDetail;
 import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
 import org.apache.ibatis.annotations.Update;
 
 /**
@@ -12,4 +13,7 @@ public interface ElectronicSignatureMaterialDetailMapper extends BaseMapper<Elec
 
     @Update("UPDATE NGWL_TEST_OMS.ELECTRONIC_SIGNATURE_MATERIAL_DETAIL SET DEL_FLAG = 2 WHERE SIGNATURE_ID = #{signatureId} AND DEL_FLAG = 1")
     int logicDeleteBySignatureId(@Param("signatureId") Long signatureId);
+
+    @Select("SELECT NGWL_TEST_OMS.SEQ_ES_MATERIAL_DETAIL.NEXTVAL FROM DUAL")
+    Long nextDetailId();
 }