diff --git a/yudao-module-pms/yudao-module-pms-api/src/main/java/cn/iocoder/yudao/module/pms/enums/ErrorCodeConstants.java b/yudao-module-pms/yudao-module-pms-api/src/main/java/cn/iocoder/yudao/module/pms/enums/ErrorCodeConstants.java
index eccb301ae..acdd258c6 100644
--- a/yudao-module-pms/yudao-module-pms-api/src/main/java/cn/iocoder/yudao/module/pms/enums/ErrorCodeConstants.java
+++ b/yudao-module-pms/yudao-module-pms-api/src/main/java/cn/iocoder/yudao/module/pms/enums/ErrorCodeConstants.java
@@ -33,4 +33,8 @@ public interface ErrorCodeConstants {
     ErrorCode BUDGET_ALREADY_EXISTS = new ErrorCode(1_024_003_000, "该预算已经创建");
 
     ErrorCode PROFIT_MARGIN_ERROR = new ErrorCode(1_024_004_000, "利润率计算错误");
+
+    ErrorCode RECEIVABLES_ALREADY_EXISTS = new ErrorCode(1_024_005_000, "该应收款已经创建");
+
+    ErrorCode RECEIVABLES_CALCULATION_ERROR = new ErrorCode(1_024_006_000, "合同应收款计算错误");
 }
diff --git a/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/ReceivablesController.java b/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/ReceivablesController.java
index 4a4f903cc..206a04384 100644
--- a/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/ReceivablesController.java
+++ b/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/ReceivablesController.java
@@ -24,6 +24,7 @@ import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
 
 import cn.iocoder.yudao.framework.apilog.core.annotation.ApiAccessLog;
 import static cn.iocoder.yudao.framework.apilog.core.enums.OperateTypeEnum.*;
+import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
 
 import cn.iocoder.yudao.module.pms.controller.admin.receivables.vo.*;
 import cn.iocoder.yudao.module.pms.dal.dataobject.receivables.ReceivablesDO;
@@ -42,14 +43,14 @@ public class ReceivablesController {
     @Operation(summary = "创建应收款管理")
     @PreAuthorize("@ss.hasPermission('pms:receivables:create')")
     public CommonResult<Long> createReceivables(@Valid @RequestBody ReceivablesSaveReqVO createReqVO) {
-        return success(receivablesService.createReceivables(createReqVO));
+        return success(receivablesService.createReceivables(getLoginUserId(), createReqVO));
     }
 
     @PutMapping("/update")
     @Operation(summary = "更新应收款管理")
     @PreAuthorize("@ss.hasPermission('pms:receivables:update')")
     public CommonResult<Boolean> updateReceivables(@Valid @RequestBody ReceivablesSaveReqVO updateReqVO) {
-        receivablesService.updateReceivables(updateReqVO);
+        receivablesService.updateReceivables(getLoginUserId(), updateReqVO);
         return success(true);
     }
 
@@ -67,16 +68,16 @@ public class ReceivablesController {
     @Parameter(name = "id", description = "编号", required = true, example = "1024")
     @PreAuthorize("@ss.hasPermission('pms:receivables:query')")
     public CommonResult<ReceivablesRespVO> getReceivables(@RequestParam("id") Long id) {
-        ReceivablesDO receivables = receivablesService.getReceivables(id);
-        return success(BeanUtils.toBean(receivables, ReceivablesRespVO.class));
+        ReceivablesRespVO receivables = receivablesService.getReceivables(id);
+        return success(receivables);
     }
 
     @GetMapping("/page")
     @Operation(summary = "获得应收款管理分页")
     @PreAuthorize("@ss.hasPermission('pms:receivables:query')")
     public CommonResult<PageResult<ReceivablesRespVO>> getReceivablesPage(@Valid ReceivablesPageReqVO pageReqVO) {
-        PageResult<ReceivablesDO> pageResult = receivablesService.getReceivablesPage(pageReqVO);
-        return success(BeanUtils.toBean(pageResult, ReceivablesRespVO.class));
+        PageResult<ReceivablesRespVO> pageResult = receivablesService.getReceivablesPage(pageReqVO);
+        return success(pageResult);
     }
 
     @GetMapping("/export-excel")
@@ -86,7 +87,7 @@ public class ReceivablesController {
     public void exportReceivablesExcel(@Valid ReceivablesPageReqVO pageReqVO,
               HttpServletResponse response) throws IOException {
         pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
-        List<ReceivablesDO> list = receivablesService.getReceivablesPage(pageReqVO).getList();
+        List<ReceivablesRespVO> list = receivablesService.getReceivablesPage(pageReqVO).getList();
         // 导出 Excel
         ExcelUtils.write(response, "应收款管理.xls", "数据", ReceivablesRespVO.class,
                         BeanUtils.toBean(list, ReceivablesRespVO.class));
diff --git a/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/vo/ReceivablesRespVO.java b/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/vo/ReceivablesRespVO.java
index c541f3fdb..92a7d419b 100644
--- a/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/vo/ReceivablesRespVO.java
+++ b/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/vo/ReceivablesRespVO.java
@@ -2,6 +2,8 @@ package cn.iocoder.yudao.module.pms.controller.admin.receivables.vo;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.*;
+
+import java.math.BigDecimal;
 import java.util.*;
 import org.springframework.format.annotation.DateTimeFormat;
 import java.time.LocalDateTime;
@@ -12,6 +14,39 @@ import com.alibaba.excel.annotation.*;
 @ExcelIgnoreUnannotated
 public class ReceivablesRespVO {
 
+    @Schema(description = "项目编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "SJ24001")
+    @ExcelProperty("项目编号")
+    private String projectCode;
+
+    @Schema(description = "合同名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "规划一路道路工程勘察设计合同")
+    @ExcelProperty("合同名称")
+    private String contractName;
+
+    @Schema(description = "签订合同总额", requiredMode = Schema.RequiredMode.REQUIRED, example = "80.0000")
+    @ExcelProperty("签订合同总额")
+    private BigDecimal signedAmount;
+
+    @Schema(description = "包干/审定金额", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("包干/审定金额")
+    private BigDecimal approvedAmount;
+
+    @Schema(description = "已完成设计阶段", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("已完成设计阶段")
+    private String completedDesignStage;
+
+    @Schema(description = "应收款取数", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("应收款取数")
+    private BigDecimal receivableAccount;
+
+    @Schema(description = "合同应收款", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("合同应收款")
+    private BigDecimal contractualReceivables;
+
+    @Schema(description = "应收款差额", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("应收款差额")
+    private BigDecimal receivableDifference;
+
+
     @Schema(description = "主键", requiredMode = Schema.RequiredMode.REQUIRED)
     @ExcelProperty("主键")
     private Long id;
diff --git a/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/vo/ReceivablesSaveReqVO.java b/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/vo/ReceivablesSaveReqVO.java
index 603b926db..b6329c2a6 100644
--- a/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/vo/ReceivablesSaveReqVO.java
+++ b/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/controller/admin/receivables/vo/ReceivablesSaveReqVO.java
@@ -1,7 +1,10 @@
 package cn.iocoder.yudao.module.pms.controller.admin.receivables.vo;
 
+import com.alibaba.excel.annotation.ExcelProperty;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.*;
+
+import java.math.BigDecimal;
 import java.util.*;
 import jakarta.validation.constraints.*;
 
@@ -9,6 +12,39 @@ import jakarta.validation.constraints.*;
 @Data
 public class ReceivablesSaveReqVO {
 
+    @Schema(description = "项目编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "SJ24001")
+    @ExcelProperty("项目编号")
+    private String projectCode;
+
+    @Schema(description = "合同名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "规划一路道路工程勘察设计合同")
+    @ExcelProperty("合同名称")
+    private String contractName;
+
+    @Schema(description = "签订合同总额", requiredMode = Schema.RequiredMode.REQUIRED, example = "80.0000")
+    @ExcelProperty("签订合同总额")
+    private BigDecimal signedAmount;
+
+    @Schema(description = "包干/审定金额", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("包干/审定金额")
+    private BigDecimal approvedAmount;
+
+    @Schema(description = "已完成设计阶段", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("已完成设计阶段")
+    private String completedDesignStage;
+
+    @Schema(description = "应收款取数", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("应收款取数")
+    private BigDecimal receivableAccount;
+
+    @Schema(description = "合同应收款", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("合同应收款")
+    private BigDecimal contractualReceivables;
+
+    @Schema(description = "应收款差额", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("应收款差额")
+    private BigDecimal receivableDifference;
+
+
     @Schema(description = "主键", requiredMode = Schema.RequiredMode.REQUIRED)
     private Long id;
 
diff --git a/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/service/receivables/ReceivablesService.java b/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/service/receivables/ReceivablesService.java
index 408e30b7e..94e0ab438 100644
--- a/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/service/receivables/ReceivablesService.java
+++ b/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/service/receivables/ReceivablesService.java
@@ -20,14 +20,14 @@ public interface ReceivablesService {
      * @param createReqVO 创建信息
      * @return 编号
      */
-    Long createReceivables(@Valid ReceivablesSaveReqVO createReqVO);
+    Long createReceivables(Long loginUserId, @Valid ReceivablesSaveReqVO createReqVO);
 
     /**
      * 更新应收款管理
      *
      * @param updateReqVO 更新信息
      */
-    void updateReceivables(@Valid ReceivablesSaveReqVO updateReqVO);
+    void updateReceivables(Long loginUserId, @Valid ReceivablesSaveReqVO updateReqVO);
 
     /**
      * 删除应收款管理
@@ -42,7 +42,7 @@ public interface ReceivablesService {
      * @param id 编号
      * @return 应收款管理
      */
-    ReceivablesDO getReceivables(Long id);
+    ReceivablesRespVO getReceivables(Long id);
 
     /**
      * 获得应收款管理分页
@@ -50,6 +50,6 @@ public interface ReceivablesService {
      * @param pageReqVO 分页查询
      * @return 应收款管理分页
      */
-    PageResult<ReceivablesDO> getReceivablesPage(ReceivablesPageReqVO pageReqVO);
+    PageResult<ReceivablesRespVO> getReceivablesPage(ReceivablesPageReqVO pageReqVO);
 
 }
\ No newline at end of file
diff --git a/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/service/receivables/ReceivablesServiceImpl.java b/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/service/receivables/ReceivablesServiceImpl.java
index 9873de254..61ba11e70 100644
--- a/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/service/receivables/ReceivablesServiceImpl.java
+++ b/yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/service/receivables/ReceivablesServiceImpl.java
@@ -1,21 +1,33 @@
 package cn.iocoder.yudao.module.pms.service.receivables;
 
+import cn.iocoder.yudao.module.bpm.api.task.BpmProcessInstanceApi;
+import cn.iocoder.yudao.module.bpm.api.task.dto.BpmProcessInstanceCreateReqDTO;
+import cn.iocoder.yudao.module.cms.api.contract.ContractApi;
+import cn.iocoder.yudao.module.cms.api.contract.dto.ContractRespDTO;
+import cn.iocoder.yudao.module.pms.api.project.ProjectApi;
+import cn.iocoder.yudao.module.pms.api.project.dto.ProjectRespDTO;
+import cn.iocoder.yudao.module.pms.dal.dataobject.projectschedule.ProjectScheduleDO;
+import cn.iocoder.yudao.module.pms.dal.dataobject.receivableshistory.ReceivablesHistoryDO;
+import cn.iocoder.yudao.module.pms.dal.mysql.receivableshistory.ReceivablesHistoryMapper;
+import cn.iocoder.yudao.module.pms.service.projectschedule.ProjectScheduleService;
+import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
 import org.springframework.stereotype.Service;
 import jakarta.annotation.Resource;
 import org.springframework.validation.annotation.Validated;
-import org.springframework.transaction.annotation.Transactional;
 
+import java.math.BigDecimal;
 import java.util.*;
 import cn.iocoder.yudao.module.pms.controller.admin.receivables.vo.*;
 import cn.iocoder.yudao.module.pms.dal.dataobject.receivables.ReceivablesDO;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.framework.common.pojo.PageParam;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
 
 import cn.iocoder.yudao.module.pms.dal.mysql.receivables.ReceivablesMapper;
 
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.module.cms.enums.ErrorCodeConstants.CONTRACT_NOT_EXISTS;
 import static cn.iocoder.yudao.module.pms.enums.ErrorCodeConstants.*;
+import static cn.iocoder.yudao.module.system.enums.ErrorCodeConstants.USER_NOT_EXISTS;
 
 /**
  * 应收款管理 Service 实现类
@@ -26,27 +38,157 @@ import static cn.iocoder.yudao.module.pms.enums.ErrorCodeConstants.*;
 @Validated
 public class ReceivablesServiceImpl implements ReceivablesService {
 
+    /**
+     * 应收款管理流程定义
+     */
+    public static final String PROCESS_KEY = "receivables_init";
+
+    /**
+     * 版本
+     */
+    public static String VERSION = "1";
+
+    @Resource
+    private ProjectApi projectApi;
+
+    @Resource
+    private ContractApi contractApi;
+
+    @Resource
+    private ProjectScheduleService projectScheduleService;
+
+    @Resource
+    private AdminUserApi adminUserApi;
+
+    @Resource
+    private BpmProcessInstanceApi processInstanceApi;
+
     @Resource
     private ReceivablesMapper receivablesMapper;
 
+    @Resource
+    private ReceivablesHistoryMapper receivablesHistoryMapper;
+
     @Override
-    public Long createReceivables(ReceivablesSaveReqVO createReqVO) {
+    public Long createReceivables(Long loginUserId, ReceivablesSaveReqVO createReqVO) {
+
+        // 校验 用户是否存在
+        if (loginUserId == null) {
+            throw exception(PARAM_NOT_EXISTS);
+        }
+        if (createReqVO == null) {
+            throw exception(PARAM_NOT_EXISTS);
+        }
+        String userName = adminUserApi.getUser(loginUserId).getNickname();
+        if (userName == null) {
+            throw exception(USER_NOT_EXISTS);
+        }
+        // 校验 对应项目汉语合同是否存在
+        Long projectId = createReqVO.getProjectId();
+        Long contractId = createReqVO.getContractId();
+        projectApi.validProjectExist(projectId);
+        contractApi.vaildContractExist(contractId);
+
+        // 获取实例
+        ContractRespDTO contract = contractApi.getContract(contractId);
+        ProjectRespDTO project = projectApi.getProject(projectId);
+        ProjectScheduleDO projectSchedule = projectScheduleService.getProjectSchedule(projectId);
+
+        // 检验联表的字段是否与联系表的字段相同
+
+        /**
+         * 1. 项目编号
+         * 2. 合同名称
+         * 3. 签订合同总额
+         * 4. 包干/审定金额
+         * 5. 已完成设计阶段
+         */
+
+        String projectCode = createReqVO.getProjectCode();
+        String contractName = createReqVO.getContractName();
+        BigDecimal signedAmount = createReqVO.getSignedAmount();
+        BigDecimal approvedAmount = createReqVO.getApprovedAmount();
+        String completedDesignStage = createReqVO.getCompletedDesignStage();
+
+        if (!project.getCode().equals(projectCode)) {
+            throw exception(PARAM_ERROR);
+        }
+        if (!contract.getName().equals(contractName)) {
+            throw exception(PARAM_ERROR);
+        }
+        if (!Objects.equals(contract.getAmount(),signedAmount)) {
+            throw exception(PARAM_ERROR);
+        }
+        if (!Objects.equals(contract.getApprovedAmount(), approvedAmount)) {
+            throw exception(PARAM_ERROR);
+        }
+        if (!projectSchedule.getStage().equals(completedDesignStage)) {
+            throw exception(PARAM_ERROR);
+        }
+
         // 插入
         ReceivablesDO receivables = BeanUtils.toBean(createReqVO, ReceivablesDO.class);
+        ReceivablesRespVO receivablesResp = BeanUtils.toBean(receivables, ReceivablesRespVO.class);
+        receivables.setCreator(userName);
+        receivables.setUpdater(userName);
+
+        // 判断应收款是否已存在
+        // 获得所有应收款后，逐个比较各个字段是否完全一致
+        // 查receivables通过pms项目id查
+        List<ReceivablesDO> receivablesDOList = receivablesMapper.selectList("project_id", projectId);
+        List<ReceivablesRespVO> receivablesRespVOList = BeanUtils.toBean(receivablesDOList, ReceivablesRespVO.class);
+        for (ReceivablesRespVO respVO : receivablesRespVOList) {
+            if (respVO.equals(receivablesResp)) {
+                throw exception(RECEIVABLES_ALREADY_EXISTS);
+            }
+        }
+        // 插入应收款
         receivablesMapper.insert(receivables);
+
+        // 启动流程，同时写入历史应收款
+        Long receivablesId = receivables.getId();
+        ReceivablesHistoryDO receivablesHistory = BeanUtils.toBean(receivables, ReceivablesHistoryDO.class);
+        if (createReqVO.getId() == null) {
+            String processInstanceId = processInstanceApi.createProcessInstance(loginUserId,
+                    new BpmProcessInstanceCreateReqDTO()
+                            .setProcessDefinitionKey(PROCESS_KEY).setBusinessKey(String.valueOf(receivablesId)));
+
+            // 写入工作流编号
+            receivablesHistory.setProcessInstanceId(processInstanceId);
+            receivablesHistory.setReceivableId(receivablesId);
+
+            Long count = receivablesHistoryMapper.selectCount("project_id", projectId);
+            if (count < 1) {
+                receivablesHistory.setVersion(VERSION);
+            } else {
+                receivablesHistory.setVersion(String.valueOf(count+1));
+            }
+            receivablesHistory.setProcessStatus("0");
+            receivablesHistoryMapper.insert(receivablesHistory);
+        }
+
         // 返回
         return receivables.getId();
     }
 
     @Override
-    public void updateReceivables(ReceivablesSaveReqVO updateReqVO) {
+    public void updateReceivables(Long loginUserId, ReceivablesSaveReqVO updateReqVO) {
         // 校验存在
         validateReceivablesExists(updateReqVO.getId());
+        projectApi.validProjectExist(updateReqVO.getProjectId());
+        contractApi.vaildContractExist(updateReqVO.getContractId());
+
         // 更新
         ReceivablesDO updateObj = BeanUtils.toBean(updateReqVO, ReceivablesDO.class);
+        String userName = adminUserApi.getUser(loginUserId).getNickname();
+        if (userName == null) {
+            throw exception(USER_NOT_EXISTS);
+        }
+        updateObj.setUpdater(userName);
         receivablesMapper.updateById(updateObj);
     }
 
+
     @Override
     public void deleteReceivables(Long id) {
         // 校验存在
@@ -62,13 +204,134 @@ public class ReceivablesServiceImpl implements ReceivablesService {
     }
 
     @Override
-    public ReceivablesDO getReceivables(Long id) {
-        return receivablesMapper.selectById(id);
+    public ReceivablesRespVO getReceivables(Long id) {
+
+        // 校验
+        if (id == null) {
+            throw exception(RECEIVABLES_NOT_EXISTS);
+        }
+        ReceivablesDO receivablesDO = receivablesMapper.selectById(id);
+        if (receivablesDO == null) {
+            throw exception(RECEIVABLES_NOT_EXISTS);
+        }
+
+        Long projectId = receivablesDO.getProjectId();
+        if (projectId == null) {
+            throw exception(RECEIVABLES_NOT_EXISTS);
+        }
+        Long contractId = receivablesDO.getContractId();
+        if (contractId == null) {
+            throw exception(RECEIVABLES_NOT_EXISTS);
+        }
+
+        ReceivablesRespVO receivablesRespVO = BeanUtils.toBean(receivablesDO, ReceivablesRespVO.class);
+
+        /**
+         * 1. 项目编号 √
+         * 2. 合同名称 √
+         * 3. 签订合同总额 √
+         * 4. 包干/审定金额 √
+         * 5. 已完成设计阶段 √
+         * 6. 应收款取数 √
+         * 7. 合同应收款 √
+         * 8. 应收款差额 √
+         */
+
+        ProjectRespDTO project = projectApi.getProject(projectId);
+        ContractRespDTO contract = contractApi.getContract(contractId);
+        ProjectScheduleDO projectSchedule = projectScheduleService.getProjectSchedule(projectId);
+
+        receivablesRespVO.setProjectCode(project.getCode()); // 项目编号
+        receivablesRespVO.setContractName(contract.getName()); // 合同名称
+        receivablesRespVO.setSignedAmount(contract.getAmount()); // 签订合同总额
+        receivablesRespVO.setApprovedAmount(contract.getApprovedAmount()); // 包干/审定金额
+        receivablesRespVO.setCompletedDesignStage(projectSchedule.getStage()); // 已完成设计阶段
+
+        BigDecimal receivableAccount = (contract.getApprovedAmount() == null) ? contract.getAmount() : contract.getApprovedAmount();
+        receivablesRespVO.setReceivableAccount(receivableAccount); // 应收款取数
+
+        if (receivableAccount == null) {
+            throw exception(RECEIVABLES_CALCULATION_ERROR);
+        }
+
+        // 根据设计阶段计算合同应收款
+        BigDecimal amount = BigDecimal.ZERO;
+        BigDecimal planStage = parseRate(receivablesDO.getPlanStage()); // 方案阶段收款比例
+        BigDecimal initialDesignStage = parseRate(receivablesDO.getInitialDesignStage()); // 初设阶段收款比例
+        BigDecimal constructionDrawingStage = parseRate(receivablesDO.getConstructionDrawingStage()); // 施工图阶段比例
+        BigDecimal constructionStage = parseRate(receivablesDO.getConstructionStage()); // 施工配合收款比例
+        BigDecimal approveStage = parseRate(receivablesDO.getApproveStage()); // 审定阶段
+
+        switch (projectSchedule.getStage()) {
+            case "方案设计":
+                amount = receivableAccount.multiply(planStage);
+                break;
+            case "初步设计":
+                amount = receivableAccount.multiply(initialDesignStage);
+                break;
+            case "施工图":
+                amount = receivableAccount.multiply(constructionDrawingStage);
+                break;
+            case "施工配合":
+                amount = receivableAccount.multiply(constructionStage);
+                break;
+            case "竣工":
+                amount = receivableAccount.multiply(approveStage);
+                break;
+            default:
+                amount = BigDecimal.ZERO;
+                break;
+        }
+        receivablesRespVO.setContractualReceivables(amount); // 合同应收款
+
+        BigDecimal collectionAmount = parseRate(receivablesDO.getCollectionSituation());
+        BigDecimal differenceAmount = amount.subtract(collectionAmount);
+        receivablesRespVO.setReceivableDifference(differenceAmount); // 应收款差额
+
+        return receivablesRespVO;
     }
 
     @Override
-    public PageResult<ReceivablesDO> getReceivablesPage(ReceivablesPageReqVO pageReqVO) {
-        return receivablesMapper.selectPage(pageReqVO);
+    public PageResult<ReceivablesRespVO> getReceivablesPage(ReceivablesPageReqVO pageReqVO) {
+        // 校验
+        if (pageReqVO == null) {
+            throw exception(PARAM_NOT_EXISTS);
+        }
+        Long projectId = pageReqVO.getProjectId();
+        ProjectRespDTO project = projectApi.getProject(projectId);
+        Long contractId = pageReqVO.getContractId();
+        ContractRespDTO contract = contractApi.getContract(contractId);
+        if (project == null) {
+            throw exception(PROJECT_NOT_EXISTS);
+        }
+        if (contract ==  null) {
+            throw exception(CONTRACT_NOT_EXISTS);
+        }
+
+        PageResult<ReceivablesDO> receivablesDOPageResult = receivablesMapper.selectPage(pageReqVO);
+        List<ReceivablesDO> receivablesDOList = receivablesDOPageResult.getList();
+        List<ReceivablesRespVO> receivablesRespVOList = new ArrayList<>();
+
+        for (ReceivablesDO receivablesDO : receivablesDOList) {
+            Long id = receivablesDO.getId();
+            ReceivablesRespVO receivables = getReceivables(id);
+            receivablesRespVOList.add(receivables);
+        }
+
+        PageResult<ReceivablesRespVO> pageResult = new PageResult<>();
+        pageResult.setList(receivablesRespVOList);
+
+        return pageResult;
+    }
+
+    private BigDecimal parseRate(String rateStr) {
+        // 将字符串转换为 BigDecimal，处理可能的 null 和格式错误
+        try {
+            return (rateStr == null || rateStr.trim().isEmpty()) ? BigDecimal.ZERO : new BigDecimal(rateStr);
+        } catch (NumberFormatException e) {
+            // 如果字符串格式错误，返回零
+            return BigDecimal.ZERO;
+        }
     }
 
 }
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