diff --git a/WebContent/WEB-INF/classes/com/pms/salesmgmt/mapper/salesNcollectMgmt.xml b/WebContent/WEB-INF/classes/com/pms/salesmgmt/mapper/salesNcollectMgmt.xml
index 8de770e..d56894a 100644
--- a/WebContent/WEB-INF/classes/com/pms/salesmgmt/mapper/salesNcollectMgmt.xml
+++ b/WebContent/WEB-INF/classes/com/pms/salesmgmt/mapper/salesNcollectMgmt.xml
@@ -1420,6 +1420,31 @@ ORDER BY T.REGDATE DESC, T.PROJECT_NO DESC
 	)
 </insert>
 	
+	<!-- 
+	/**
+	 * 출하일 상세 내역 조회 - 분할 출하된 날짜별 수량 조회
+	 * PROJECT_NO로 조회
+	 * @since 2025.11.12
+	 * @author assistant
+	 * @version 1.0
+	**/
+	-->
+	<select id="getShippingDetailList" parameterType="map" resultType="map">
+		/* salesNcollectMgmt.getShippingDetailList - 출하일 클릭 시 팝업에 표시할 분할 출하 내역 */
+		
+		-- PROJECT_MGMT 기준으로 조회 (조건 완화: LIKE, UPPER)
+		SELECT 
+			T.PROJECT_NO AS DEBUG_PROJECT_NO,
+			SR.project_no AS DEBUG_SR_PROJECT_NO,
+			COALESCE(TO_CHAR(SR.shipping_date, 'YYYY-MM-DD'), '출하일 미등록') AS SHIPPING_DATE,
+			COALESCE(SR.sales_quantity, 0) AS SHIPPING_QUANTITY,
+			COALESCE(SR.shipping_order_status, '미등록') AS SHIPPING_ORDER_STATUS,
+			COALESCE(SR.serial_no, '-') AS SERIAL_NO
+		FROM PROJECT_MGMT AS T
+		LEFT JOIN sales_registration SR ON TRIM(UPPER(T.PROJECT_NO)) = TRIM(UPPER(SR.project_no))
+		WHERE TRIM(UPPER(T.PROJECT_NO)) LIKE TRIM(UPPER(#{projectNo}))
+	</select>
+	
 	<!-- 
 	/**
 	 * 판매 정보 조회 - 판매등록 팝업에서 사용
diff --git a/src/com/pms/salesmgmt/service/SalesNcollectMgmtService.java b/src/com/pms/salesmgmt/service/SalesNcollectMgmtService.java
index f973bbc..c41b5b5 100644
--- a/src/com/pms/salesmgmt/service/SalesNcollectMgmtService.java
+++ b/src/com/pms/salesmgmt/service/SalesNcollectMgmtService.java
@@ -321,38 +321,12 @@ public class SalesNcollectMgmtService {
 			PersonBean person = (PersonBean) request.getSession().getAttribute(Constants.PERSON_BEAN);
 			paramMap.put("cretEmpNo", person.getUserId());
 			
-		// 기존 데이터 확인
-		Map<String, Object> existingData = sqlSession.selectOne("salesNcollectMgmt.getSaleInfo", paramMap);
-		
-		if(existingData != null && existingData.get("sale_no") != null) {
-			// 이미 있으면 순번을 붙여서 새로운 project_no로 INSERT
-			String originalProjectNo = String.valueOf(paramMap.get("orderNo"));
-			
-			// 기존 레코드 개수 조회
-			Map<String, Object> countResult = sqlSession.selectOne("salesNcollectMgmt.getSaleRegistrationCount", paramMap);
-			int count = countResult != null && countResult.get("count") != null ? 
-				Integer.parseInt(String.valueOf(countResult.get("count"))) : 0;
-			
-			// 새로운 project_no 생성 (순번 추가)
-			String newProjectNo = originalProjectNo + "_" + (count + 1);
-			paramMap.put("orderNo", newProjectNo);
-			
-			System.out.println("=== 분할 출하 저장 ===");
-			System.out.println("원본 PROJECT_NO: " + originalProjectNo);
-			System.out.println("새 PROJECT_NO: " + newProjectNo);
-			System.out.println("수량: " + paramMap.get("salesQuantity"));
-		} else {
-			System.out.println("=== 판매 정보 신규 저장 ===");
-			System.out.println("PROJECT_NO: " + paramMap.get("orderNo"));
-			System.out.println("수량: " + paramMap.get("salesQuantity"));
-		}
-		
-		// INSERT
-		sqlSession.insert("salesNcollectMgmt.insertSaleRegistration", paramMap);
-		resultMap.put("msg", "저장되었습니다.");
+			// sales_registration 테이블에 판매 데이터 저장 (ON CONFLICT로 자동 UPDATE)
+			sqlSession.insert("salesNcollectMgmt.insertSaleRegistration", paramMap);
 			
 			sqlSession.commit();
 			resultMap.put("result", true);
+			resultMap.put("msg", "저장되었습니다.");
 		} catch(Exception e) {
 			if(sqlSession != null) {
 				sqlSession.rollback();
@@ -967,38 +941,4 @@ public class SalesNcollectMgmtService {
 		}
 		return resultList;
 	}
-	
-	public Map<String, Object> getTotalSalesQuantity(Map<String, Object> paramMap) {
-		SqlSession sqlSession = null;
-		Map<String, Object> result = null;
-		
-		try {
-			sqlSession = SqlMapConfig.getInstance().getSqlSession();
-			result = sqlSession.selectOne("salesNcollectMgmt.getTotalSalesQuantity", paramMap);
-		} catch(Exception e) {
-			e.printStackTrace();
-		} finally {
-			if(sqlSession != null) {
-				sqlSession.close();
-			}
-		}
-		
-		return result;
-	}
-	
-	public Map<String, Object> getShipmentLogTotal(Map<String, Object> paramMap) {
-		SqlSession sqlSession = null;
-		Map<String, Object> result = new HashMap<String, Object>();
-		try {
-			sqlSession = SqlMapConfig.getInstance().getSqlSession();
-			result = sqlSession.selectOne("salesNcollectMgmt.getShipmentLogTotal", paramMap);
-		} catch (Exception e) {
-			e.printStackTrace();
-		} finally {
-			if (sqlSession != null) {
-				sqlSession.close();
-			}
-		}
-		return result;
-	}
 }