diff --git a/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/controller/admin/contract/ContractController.java b/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/controller/admin/contract/ContractController.java
index bc35f93..e34028f 100644
--- a/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/controller/admin/contract/ContractController.java
+++ b/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/controller/admin/contract/ContractController.java
@@ -155,11 +155,18 @@ public class ContractController implements BusinessControllerMarker {
         return success(contractService.submitErp(ids));
     }
 
-    @GetMapping("/list/not-relation")
-    @Operation(summary = "获得未关联合同列表")
+    @GetMapping("/list/up-not-relation")
+    @Operation(summary = "获得上游未关联合同列表")
     @PreAuthorize("@ss.hasPermission('base:contract:get')")
-    public CommonResult<List<ContractRespVO>> getListNotRelation(@RequestParam("id") Long id) {
-        return success(contractService.getListNotRelation(id));
+    public CommonResult<List<ContractRespVO>> getListUpNotRelation(@RequestParam("id") Long id) {
+        return success(contractService.getListUpNotRelation(id));
+    }
+
+    @GetMapping("/list/down-not-relation")
+    @Operation(summary = "获得下游未关联合同列表")
+    @PreAuthorize("@ss.hasPermission('base:contract:get')")
+    public CommonResult<List<ContractRespVO>> getListDownNotRelation(@RequestParam("id") Long id) {
+        return success(contractService.getListDownNotRelation(id));
     }
 
     @GetMapping("/get/up-relation")
diff --git a/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractService.java b/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractService.java
index 8d4aa19..7c43346 100644
--- a/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractService.java
+++ b/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractService.java
@@ -120,9 +120,35 @@ public interface ContractService {
      */
     ContractRespVO getBySystemContractNumber(String systemContractNumber);
 
-    List<ContractRespVO> getListNotRelation(Long id);
+    /**
+     * 获得上游未关联合同列表
+     *
+     * @param id 合同ID
+     * @return 上游未关联的合同列表
+     */
+    List<ContractRespVO> getListUpNotRelation(Long id);
 
+    /**
+     * 获得下游未关联合同列表
+     *
+     * @param id 合同ID
+     * @return 下游未关联的合同列表
+     */
+    List<ContractRespVO> getListDownNotRelation(Long id);
+
+    /**
+     * 获得上游关联的合同数据
+     *
+     * @param id 合同ID
+     * @return 关联的上游合同数据
+     */
     ContractRespVO getUpRelation(Long id);
 
+    /**
+     * 获得下游关联的合同数据
+     *
+     * @param id 合同ID
+     * @return 关联的下游合同数据
+     */
     ContractRespVO getDownRelation(Long id);
 }
diff --git a/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractServiceImpl.java b/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractServiceImpl.java
index a4ab02d..95b61cd 100644
--- a/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractServiceImpl.java
+++ b/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractServiceImpl.java
@@ -42,6 +42,7 @@ import org.springframework.transaction.annotation.Transactional;
 import java.time.LocalDate;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -465,7 +466,7 @@ public class ContractServiceImpl implements ContractService {
     }
 
     @Override
-    public List<ContractRespVO> getListNotRelation(Long id) {
+    public List<ContractRespVO> getListUpNotRelation(Long id) {
 
         // 查询合同信息
         ContractMainDO contractMainDO = contractMainMapper.selectById(id);
@@ -480,15 +481,14 @@ public class ContractServiceImpl implements ContractService {
         // 乙方公司编号
         String salesCompanyNumber = contractMainDO.getSalesCompanyNumber();
 
-        // 已关联合同id集合
-        /*List<SystemRelativityDO> systemRelativityDOS = systemRelativityMapper.selectList();
+        // 已关联的上游合同id集合
+        List<SystemRelativityDO> systemRelativityDOS = systemRelativityMapper.selectList();
         LinkedHashSet<Long> relationIds = new LinkedHashSet<>();
         if (systemRelativityDOS!= null && !systemRelativityDOS.isEmpty()) {
             systemRelativityDOS.forEach(systemRelativityDO -> {
                 relationIds.add(systemRelativityDO.getUpId());
-                relationIds.add(systemRelativityDO.getDownId());
             });
-        }*/
+        }
 
         // 返回结果集
         List<ContractRespVO> result = new ArrayList<>();
@@ -501,6 +501,9 @@ public class ContractServiceImpl implements ContractService {
             // 查询条件
             LambdaQueryWrapperX<ContractMainDO> conditon = new LambdaQueryWrapperX<>();
             conditon.eq(ContractMainDO::getSalesCompanyNumber, purchaseCompanyNumber);
+            if (!relationIds.isEmpty()) {
+                conditon.notIn(ContractMainDO::getId, relationIds);
+            }
 
             // 查询
             List<ContractMainDO> contractMainDOS = contractMainMapper.selectList(conditon);
@@ -515,6 +518,77 @@ public class ContractServiceImpl implements ContractService {
             // 查询条件
             LambdaQueryWrapperX<ContractMainDO> conditon = new LambdaQueryWrapperX<>();
             conditon.eq(ContractMainDO::getPurchaseCompanyNumber, salesCompanyNumber);
+            if (!relationIds.isEmpty()) {
+                conditon.notIn(ContractMainDO::getId, relationIds);
+            }
+
+            // 查询
+            List<ContractMainDO> contractMainDOS = contractMainMapper.selectList(conditon);
+            result = BeanUtils.toBean(contractMainDOS, ContractRespVO.class);
+        } else {
+            // 不存在的收支类型或收支类型为空
+            throw exception(CONTRACT_ERP_RCV_DLVY_NOT_EXISTS);
+        }
+
+        return result;
+    }
+
+    @Override
+    public List<ContractRespVO> getListDownNotRelation(Long id) {
+
+        // 查询合同信息
+        ContractMainDO contractMainDO = contractMainMapper.selectById(id);
+        if (contractMainDO == null) {
+            throw exception(CONTRACT_NOT_EXISTS);
+        }
+
+        // 收支性质
+        String direction = contractMainDO.getDirection();
+        // 甲方公司编号
+        String purchaseCompanyNumber = contractMainDO.getPurchaseCompanyNumber();
+        // 乙方公司编号
+        String salesCompanyNumber = contractMainDO.getSalesCompanyNumber();
+
+        // 已关联的上游合同id集合
+        List<SystemRelativityDO> systemRelativityDOS = systemRelativityMapper.selectList();
+        LinkedHashSet<Long> relationIds = new LinkedHashSet<>();
+        if (systemRelativityDOS!= null && !systemRelativityDOS.isEmpty()) {
+            systemRelativityDOS.forEach(systemRelativityDO -> {
+                relationIds.add(systemRelativityDO.getDownId());
+            });
+        }
+
+        // 返回结果集
+        List<ContractRespVO> result = new ArrayList<>();
+        if (DictEnum.ERP_RCV_DLVY_INCOME.getCode().equals(direction)) { // 收入
+            // 如果“收支性质”字段为收入，用“甲方公司编号”字段筛选“合同主信息”表中字段等于“乙方公司编号”的数据
+            if (StringUtils.isEmpty(purchaseCompanyNumber)) {
+                // 甲方公司编号不存在
+                throw exception(CONTRACT_DATA_NOT_EXISTS, TableFieldConstants.BSE_CTRT_MAIN_PRCH_CPN_NUM_LABEL);
+            }
+            // 查询条件
+            LambdaQueryWrapperX<ContractMainDO> conditon = new LambdaQueryWrapperX<>();
+            conditon.eq(ContractMainDO::getSalesCompanyNumber, purchaseCompanyNumber);
+            if (!relationIds.isEmpty()) {
+                conditon.notIn(ContractMainDO::getId, relationIds);
+            }
+
+            // 查询
+            List<ContractMainDO> contractMainDOS = contractMainMapper.selectList(conditon);
+            result = BeanUtils.toBean(contractMainDOS, ContractRespVO.class);
+        } else if (DictEnum.ERP_RCV_DLVY_EXPENSES.getCode().equals(direction)){ // 支出
+            // 如果“收支性质”字段为支出，用“乙方公司编号”字段筛选“合同主信息”表中字段等于“甲方公司编号”的数据
+            if (StringUtils.isEmpty(salesCompanyNumber)) {
+                // 乙方公司编号不存在
+                throw exception(CONTRACT_DATA_NOT_EXISTS, TableFieldConstants.BSE_CTRT_MAIN_SALE_CPN_NUM_LABEL);
+            }
+
+            // 查询条件
+            LambdaQueryWrapperX<ContractMainDO> conditon = new LambdaQueryWrapperX<>();
+            conditon.eq(ContractMainDO::getPurchaseCompanyNumber, salesCompanyNumber);
+            if (!relationIds.isEmpty()) {
+                conditon.notIn(ContractMainDO::getId, relationIds);
+            }
 
             // 查询
             List<ContractMainDO> contractMainDOS = contractMainMapper.selectList(conditon);
@@ -530,6 +604,11 @@ public class ContractServiceImpl implements ContractService {
     @Override
     public ContractRespVO getUpRelation(Long id) {
 
+        // 查询合同信息
+        if (contractMainMapper.selectById(id) == null) {
+            throw exception(CONTRACT_NOT_EXISTS);
+        }
+
         // 查询关联表
         SystemRelativityDO systemRelativityDO = systemRelativityMapper.selectOne(TableFieldConstants.BSE_SYS_REL_DOWN_ID, id);
         if (systemRelativityDO == null) {
@@ -551,6 +630,11 @@ public class ContractServiceImpl implements ContractService {
     @Override
     public ContractRespVO getDownRelation(Long id) {
 
+        // 查询合同信息
+        if (contractMainMapper.selectById(id) == null) {
+            throw exception(CONTRACT_NOT_EXISTS);
+        }
+
         // 查询关联表
         SystemRelativityDO systemRelativityDO = systemRelativityMapper.selectOne(TableFieldConstants.BSE_SYS_REL_UP_ID, id);
         if (systemRelativityDO == null) {