diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/business/CrmBusinessController.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/business/CrmBusinessController.java
index 7603f3c3b..ec1b35db4 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/business/CrmBusinessController.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/business/CrmBusinessController.java
@@ -135,7 +135,6 @@ public class CrmBusinessController {
         return success(BeanUtils.toBean(businessService.getBusinessList(ids, getLoginUserId()), CrmBusinessRespVO.class));
     }
 
-    // TODO 芋艿：处理下
     @GetMapping("/simple-all-list")
     @Operation(summary = "获得联系人的精简列表")
     @PreAuthorize("@ss.hasPermission('crm:contact:query')")
@@ -144,7 +143,8 @@ public class CrmBusinessController {
         reqVO.setPageSize(PAGE_SIZE_NONE); // 不分页
         PageResult<CrmBusinessDO> pageResult = businessService.getBusinessPage(reqVO, getLoginUserId());
         return success(convertList(pageResult.getList(), business -> // 只返回 id、name 字段
-                new CrmBusinessRespVO().setId(business.getId()).setName(business.getName())));
+                new CrmBusinessRespVO().setId(business.getId()).setName(business.getName())
+                        .setCustomerId(business.getCustomerId())));
     }
 
     @GetMapping("/page")
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contact/CrmContactController.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contact/CrmContactController.java
index 4d9385199..6c27fbb01 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contact/CrmContactController.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contact/CrmContactController.java
@@ -120,7 +120,8 @@ public class CrmContactController {
     public CommonResult<List<CrmContactRespVO>> getSimpleContactList() {
         List<CrmContactDO> list = contactService.getContactList(getLoginUserId());
         return success(convertList(list, contact -> // 只返回 id、name 字段
-                new CrmContactRespVO().setId(contact.getId()).setName(contact.getName())));
+                new CrmContactRespVO().setId(contact.getId()).setName(contact.getName())
+                        .setCustomerId(contact.getCustomerId())));
     }
 
     @GetMapping("/page")
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/CrmContractController.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/CrmContractController.java
index 65226866f..147c598d6 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/CrmContractController.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/CrmContractController.java
@@ -16,7 +16,9 @@ import cn.iocoder.yudao.module.crm.controller.admin.contract.vo.CrmContractTrans
 import cn.iocoder.yudao.module.crm.dal.dataobject.business.CrmBusinessDO;
 import cn.iocoder.yudao.module.crm.dal.dataobject.contact.CrmContactDO;
 import cn.iocoder.yudao.module.crm.dal.dataobject.contract.CrmContractDO;
+import cn.iocoder.yudao.module.crm.dal.dataobject.contract.CrmContractProductDO;
 import cn.iocoder.yudao.module.crm.dal.dataobject.customer.CrmCustomerDO;
+import cn.iocoder.yudao.module.crm.dal.dataobject.product.CrmProductDO;
 import cn.iocoder.yudao.module.crm.service.business.CrmBusinessService;
 import cn.iocoder.yudao.module.crm.service.contact.CrmContactService;
 import cn.iocoder.yudao.module.crm.service.contract.CrmContractService;
@@ -108,13 +110,16 @@ public class CrmContractController {
         if (contract == null) {
             return null;
         }
-//        List<CrmProductDO> productList = null;
-//        if (contractList.size() == 1) {
-//            List<CrmContractProductDO> contractProductList = contractService.getContractProductListByContractId(contractList.get(0).getId());
-//            contractProductMap = convertMap(contractProductList, CrmContractProductDO::getProductId);
-//            productList = productService.getProductList(convertSet(contractProductList, CrmContractProductDO::getProductId));
-//        }
-        return buildContractDetailList(singletonList(contract)).get(0);
+        CrmContractRespVO contractVO = buildContractDetailList(singletonList(contract)).get(0);
+        // 拼接产品项
+        List<CrmContractProductDO> businessProducts = contractService.getContractProductListByContractId(contractVO.getId());
+        Map<Long, CrmProductDO> productMap = productService.getProductMap(
+                convertSet(businessProducts, CrmContractProductDO::getProductId));
+        contractVO.setProducts(BeanUtils.toBean(businessProducts, CrmContractRespVO.Product.class, businessProductVO ->
+                MapUtils.findAndThen(productMap, businessProductVO.getProductId(),
+                        product -> businessProductVO.setProductName(product.getName())
+                                .setProductNo(product.getNo()).setProductUnit(product.getUnit()))));
+        return contractVO;
     }
 
     @GetMapping("/page")
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/vo/CrmContractRespVO.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/vo/CrmContractRespVO.java
index 738cfaa79..f32549e77 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/vo/CrmContractRespVO.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/vo/CrmContractRespVO.java
@@ -121,13 +121,13 @@ public class CrmContractRespVO {
     private LocalDateTime updateTime;
 
     @Schema(description = "产品列表")
-    private List<Item> products;
+    private List<Product> products;
 
     @Schema(description = "产品列表")
     @Data
     @NoArgsConstructor
     @AllArgsConstructor
-    public static class Item {
+    public static class Product {
 
         @Schema(description = "编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "888")
         private Long id;
@@ -145,7 +145,7 @@ public class CrmContractRespVO {
         private BigDecimal productPrice;
 
         @Schema(description = "合同价格", requiredMode = Schema.RequiredMode.REQUIRED, example = "123.00")
-        private BigDecimal businessPrice;
+        private BigDecimal contractPrice;
 
         @Schema(description = "产品数量", requiredMode = Schema.RequiredMode.REQUIRED, example = "8911")
         private BigDecimal count;
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/vo/CrmContractSaveReqVO.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/vo/CrmContractSaveReqVO.java
index 423c0ab93..322127f42 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/vo/CrmContractSaveReqVO.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/vo/CrmContractSaveReqVO.java
@@ -100,7 +100,7 @@ public class CrmContractSaveReqVO {
 
         @Schema(description = "合同价格", requiredMode = Schema.RequiredMode.REQUIRED, example = "123.00")
         @NotNull(message = "合同价格不能为空")
-        private BigDecimal businessPrice;
+        private BigDecimal contractPrice;
 
         @Schema(description = "产品数量", requiredMode = Schema.RequiredMode.REQUIRED, example = "8911")
         @NotNull(message = "产品数量不能为空")
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/dal/dataobject/contract/CrmContractProductDO.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/dal/dataobject/contract/CrmContractProductDO.java
index 88ded4391..ec50e50be 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/dal/dataobject/contract/CrmContractProductDO.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/dal/dataobject/contract/CrmContractProductDO.java
@@ -44,7 +44,7 @@ public class CrmContractProductDO extends BaseDO {
     /**
      * 产品单价，单位：元
      */
-    private Integer productPrice;
+    private BigDecimal productPrice;
     /**
      * 合同价格, 单位：分
      */
@@ -58,6 +58,6 @@ public class CrmContractProductDO extends BaseDO {
      *
      * totalPrice = businessPrice * count
      */
-    private Integer totalPrice;
+    private BigDecimal totalPrice;
 
 }
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessService.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessService.java
index bcb7f0903..63ef761a7 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessService.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessService.java
@@ -11,7 +11,6 @@ import cn.iocoder.yudao.module.crm.dal.dataobject.business.CrmBusinessStatusDO;
 import cn.iocoder.yudao.module.crm.dal.dataobject.contact.CrmContactDO;
 import cn.iocoder.yudao.module.crm.dal.dataobject.customer.CrmCustomerDO;
 import cn.iocoder.yudao.module.crm.enums.business.CrmBusinessEndStatusEnum;
-import cn.iocoder.yudao.module.crm.service.business.bo.CrmBusinessUpdateProductReqBO;
 import jakarta.validation.Valid;
 
 import java.time.LocalDateTime;
@@ -80,13 +79,6 @@ public interface CrmBusinessService {
      */
     void transferBusiness(CrmBusinessTransferReqVO reqVO, Long userId);
 
-    /**
-     * 更新商机关联商品
-     *
-     * @param updateProductReqBO 请求
-     */
-    void updateBusinessProduct(CrmBusinessUpdateProductReqBO updateProductReqBO);
-
     /**
      * 获得商机
      *
@@ -95,6 +87,14 @@ public interface CrmBusinessService {
      */
     CrmBusinessDO getBusiness(Long id);
 
+    /**
+     * 校验商机是否有效
+     *
+     * @param id 编号
+     * @return 商机
+     */
+    CrmBusinessDO validateBusiness(Long id);
+
     /**
      * 获得商机列表
      *
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessServiceImpl.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessServiceImpl.java
index 78b64a976..11b6193fc 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessServiceImpl.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessServiceImpl.java
@@ -19,7 +19,6 @@ import cn.iocoder.yudao.module.crm.dal.mysql.business.CrmBusinessProductMapper;
 import cn.iocoder.yudao.module.crm.enums.common.CrmBizTypeEnum;
 import cn.iocoder.yudao.module.crm.enums.permission.CrmPermissionLevelEnum;
 import cn.iocoder.yudao.module.crm.framework.permission.core.annotations.CrmPermission;
-import cn.iocoder.yudao.module.crm.service.business.bo.CrmBusinessUpdateProductReqBO;
 import cn.iocoder.yudao.module.crm.service.contact.CrmContactBusinessService;
 import cn.iocoder.yudao.module.crm.service.contact.CrmContactService;
 import cn.iocoder.yudao.module.crm.service.contract.CrmContractService;
@@ -91,10 +90,10 @@ public class CrmBusinessServiceImpl implements CrmBusinessService {
         // 1.1 校验产品项的有效性
         List<CrmBusinessProductDO> businessProducts = validateBusinessProducts(createReqVO.getProducts());
         // 1.2 校验关联字段
-        validateBusinessForCreate(createReqVO);
+        validateRelationDataExists(createReqVO);
 
         // 2.1 插入商机
-        CrmBusinessDO business = BeanUtils.toBean(createReqVO, CrmBusinessDO.class).setOwnerUserId(userId);
+        CrmBusinessDO business = BeanUtils.toBean(createReqVO, CrmBusinessDO.class);
         business.setStatusId(businessStatusService.getBusinessStatusListByTypeId(createReqVO.getStatusTypeId()).get(0).getId()); // 默认状态
         calculateTotalPrice(business, businessProducts);
         businessMapper.insert(business);
@@ -105,9 +104,9 @@ public class CrmBusinessServiceImpl implements CrmBusinessService {
         }
 
         // 3. 创建数据权限
-        // 设置当前操作的人为负责人
-        permissionService.createPermission(new CrmPermissionCreateReqBO().setBizType(CrmBizTypeEnum.CRM_BUSINESS.getType())
-                .setBizId(business.getId()).setUserId(userId).setLevel(CrmPermissionLevelEnum.OWNER.getLevel()));
+        permissionService.createPermission(new CrmPermissionCreateReqBO().setUserId(business.getOwnerUserId())
+                .setBizType(CrmBizTypeEnum.CRM_BUSINESS.getType()).setBizId(business.getId())
+                .setLevel(CrmPermissionLevelEnum.OWNER.getLevel()));
 
         // 4. 在联系人的详情页，如果直接【新建商机】，则需要关联下
         if (createReqVO.getContactId() != null) {
@@ -132,7 +131,7 @@ public class CrmBusinessServiceImpl implements CrmBusinessService {
         // 1.2 校验产品项的有效性
         List<CrmBusinessProductDO> businessProducts = validateBusinessProducts(updateReqVO.getProducts());
         // 1.3 校验关联字段
-        validateBusinessForCreate(updateReqVO);
+        validateRelationDataExists(updateReqVO);
 
         // 2.1 更新商机
         CrmBusinessDO updateObj = BeanUtils.toBean(updateReqVO, CrmBusinessDO.class);
@@ -184,7 +183,7 @@ public class CrmBusinessServiceImpl implements CrmBusinessService {
         }
     }
 
-    private void validateBusinessForCreate(CrmBusinessSaveReqVO saveReqVO) {
+    private void validateRelationDataExists(CrmBusinessSaveReqVO saveReqVO) {
         // 校验商机状态
         if (saveReqVO.getStatusTypeId() != null) {
             businessStatusService.validateBusinessStatusType(saveReqVO.getStatusTypeId());
@@ -207,9 +206,8 @@ public class CrmBusinessServiceImpl implements CrmBusinessService {
         // 1. 校验产品存在
          productService.validProductList(convertSet(list, CrmBusinessSaveReqVO.Product::getProductId));
         // 2. 转化为 CrmBusinessProductDO 列表
-        return convertList(list, o -> BeanUtils.toBean(o, CrmBusinessProductDO.class, item -> {
-            item.setTotalPrice(MoneyUtils.priceMultiply(item.getBusinessPrice(), item.getCount()));
-        }));
+        return convertList(list, o -> BeanUtils.toBean(o, CrmBusinessProductDO.class,
+                item -> item.setTotalPrice(MoneyUtils.priceMultiply(item.getBusinessPrice(), item.getCount()))));
     }
 
     private void calculateTotalPrice(CrmBusinessDO business, List<CrmBusinessProductDO> businessProducts) {
@@ -218,7 +216,6 @@ public class CrmBusinessServiceImpl implements CrmBusinessService {
         business.setTotalPrice(business.getTotalProductPrice().subtract(discountPrice));
     }
 
-
     @Override
     @LogRecord(type = CRM_BUSINESS_TYPE, subType = CRM_BUSINESS_UPDATE_STATUS_SUB_TYPE, bizNo = "{{#reqVO.id}}",
             success = CRM_BUSINESS_UPDATE_STATUS_SUCCESS)
@@ -312,14 +309,6 @@ public class CrmBusinessServiceImpl implements CrmBusinessService {
         LogRecordContext.putVariable("business", business);
     }
 
-    @Override
-    public void updateBusinessProduct(CrmBusinessUpdateProductReqBO updateProductReqBO) {
-        // 更新商机关联商品 TODO yunai
-//        List<CrmBusinessProductDO> productList = buildBusinessProductList(
-//                BeanUtils.toBean(updateProductReqBO.getProductItems(), CrmBusinessSaveReqVO.Product.class), updateProductReqBO.getId());
-//        updateBusinessProduct(productList, updateProductReqBO.getId());
-    }
-
     //======================= 查询相关 =======================
 
     @Override
@@ -328,6 +317,11 @@ public class CrmBusinessServiceImpl implements CrmBusinessService {
         return businessMapper.selectById(id);
     }
 
+    @Override
+    public CrmBusinessDO validateBusiness(Long id) {
+        return validateBusinessExists(id);
+    }
+
     @Override
     public List<CrmBusinessDO> getBusinessList(Collection<Long> ids, Long userId) {
         if (CollUtil.isEmpty(ids)) {
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/bo/CrmBusinessUpdateProductReqBO.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/bo/CrmBusinessUpdateProductReqBO.java
deleted file mode 100644
index 0c8d7efbf..000000000
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/bo/CrmBusinessUpdateProductReqBO.java
+++ /dev/null
@@ -1,49 +0,0 @@
-package cn.iocoder.yudao.module.crm.service.business.bo;
-
-import io.swagger.v3.oas.annotations.media.Schema;
-import jakarta.validation.constraints.NotEmpty;
-import jakarta.validation.constraints.NotNull;
-import lombok.AllArgsConstructor;
-import lombok.Data;
-import lombok.NoArgsConstructor;
-
-import java.util.List;
-
-/**
- * 更新商机商品 Update Req BO
- *
- * @author HUIHUI
- */
-@Data
-public class CrmBusinessUpdateProductReqBO {
-
-    /**
-     * 商机编号
-     */
-    @NotNull(message = "商机编号不能为空")
-    private Long id;
-
-    // TODO @芋艿：再想想
-    @NotEmpty(message = "产品列表不能为空")
-    private List<Item> items;
-
-    @Schema(description = "产品列表")
-    @Data
-    @NoArgsConstructor
-    @AllArgsConstructor
-    public static class Item {
-
-        @Schema(description = "产品编号", example = "20529")
-        @NotNull(message = "产品编号不能为空")
-        private Long id;
-
-        @Schema(description = "产品数量", requiredMode = Schema.RequiredMode.REQUIRED, example = "8911")
-        @NotNull(message = "产品数量不能为空")
-        private Integer count;
-
-        @Schema(description = "产品折扣")
-        private Integer discountPercent;
-
-    }
-
-}
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/contract/CrmContractServiceImpl.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/contract/CrmContractServiceImpl.java
index 27d685f1d..1018cc120 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/contract/CrmContractServiceImpl.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/contract/CrmContractServiceImpl.java
@@ -5,6 +5,7 @@ import cn.hutool.core.collection.ListUtil;
 import cn.hutool.core.lang.Assert;
 import cn.hutool.core.util.ObjUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.number.MoneyUtils;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
 import cn.iocoder.yudao.framework.common.util.object.ObjectUtils;
 import cn.iocoder.yudao.module.bpm.api.listener.dto.BpmResultListenerRespDTO;
@@ -16,7 +17,6 @@ import cn.iocoder.yudao.module.crm.controller.admin.contract.vo.CrmContractSaveR
 import cn.iocoder.yudao.module.crm.controller.admin.contract.vo.CrmContractTransferReqVO;
 import cn.iocoder.yudao.module.crm.dal.dataobject.contract.CrmContractDO;
 import cn.iocoder.yudao.module.crm.dal.dataobject.contract.CrmContractProductDO;
-import cn.iocoder.yudao.module.crm.dal.dataobject.product.CrmProductDO;
 import cn.iocoder.yudao.module.crm.dal.mysql.contract.CrmContractMapper;
 import cn.iocoder.yudao.module.crm.dal.mysql.contract.CrmContractProductMapper;
 import cn.iocoder.yudao.module.crm.enums.common.CrmAuditStatusEnum;
@@ -24,7 +24,7 @@ import cn.iocoder.yudao.module.crm.enums.common.CrmBizTypeEnum;
 import cn.iocoder.yudao.module.crm.enums.permission.CrmPermissionLevelEnum;
 import cn.iocoder.yudao.module.crm.framework.permission.core.annotations.CrmPermission;
 import cn.iocoder.yudao.module.crm.service.business.CrmBusinessService;
-import cn.iocoder.yudao.module.crm.service.business.bo.CrmBusinessUpdateProductReqBO;
+import cn.iocoder.yudao.module.crm.service.contact.CrmContactService;
 import cn.iocoder.yudao.module.crm.service.customer.CrmCustomerService;
 import cn.iocoder.yudao.module.crm.service.followup.bo.CrmUpdateFollowUpReqBO;
 import cn.iocoder.yudao.module.crm.service.permission.CrmPermissionService;
@@ -40,16 +40,14 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.validation.annotation.Validated;
 
+import java.math.BigDecimal;
 import java.util.Collection;
 import java.util.List;
-import java.util.Map;
-import java.util.Set;
 
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
 import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
 import static cn.iocoder.yudao.module.crm.enums.ErrorCodeConstants.*;
 import static cn.iocoder.yudao.module.crm.enums.LogRecordConstants.*;
-import static cn.iocoder.yudao.module.system.enums.ErrorCodeConstants.USER_NOT_EXISTS;
 
 /**
  * CRM 合同 Service 实现类
@@ -78,6 +76,8 @@ public class CrmContractServiceImpl implements CrmContractService {
     private CrmCustomerService customerService;
     @Resource
     private CrmBusinessService businessService;
+    @Resource
+    private CrmContactService contactService;
 
     @Resource
     private AdminUserApi adminUserApi;
@@ -89,30 +89,29 @@ public class CrmContractServiceImpl implements CrmContractService {
     @LogRecord(type = CRM_CONTRACT_TYPE, subType = CRM_CONTRACT_CREATE_SUB_TYPE, bizNo = "{{#contract.id}}",
             success = CRM_CONTRACT_CREATE_SUCCESS)
     public Long createContract(CrmContractSaveReqVO createReqVO, Long userId) {
+        // 1.1 校验产品项的有效性
+        List<CrmContractProductDO> contractProducts = validateContractProducts(createReqVO.getProducts());
+        // 1.2 校验关联字段
         validateRelationDataExists(createReqVO);
-        // 1.1 插入合同
-        CrmContractDO contract = BeanUtils.toBean(createReqVO, CrmContractDO.class).setId(null);
+        // TODO 芋艿：生成 no
+
+        // 2.1 插入合同
+        CrmContractDO contract = BeanUtils.toBean(createReqVO, CrmContractDO.class);
+        contract.setNo(System.currentTimeMillis() + ""); // TODO
+        calculateTotalPrice(contract, contractProducts);
         contractMapper.insert(contract);
-        // 1.2 插入合同关联商品
-        if (CollUtil.isNotEmpty(createReqVO.getProducts())) { // 如果有的话
-            List<CrmContractProductDO> productList = convertContractProductList(createReqVO, contract.getId());
-            contractProductMapper.insertBatch(productList);
-            // 更新合同商品总金额 TODO 芋艿
-//            contractMapper.updateById(new CrmContractDO().setId(contract.getId()).setTotalProductPrice(
-//                    getSumValue(productList, CrmContractProductDO::getTotalPrice, Integer::sum)));
-            // 如果存在合同关联了商机则更新商机商品关联
-            if (contract.getBusinessId() != null) {
-                businessService.updateBusinessProduct(new CrmBusinessUpdateProductReqBO().setId(contract.getBusinessId())
-                        .setItems(BeanUtils.toBean(createReqVO.getProducts(), CrmBusinessUpdateProductReqBO.Item.class)));
-            }
+        // 2.2 插入合同关联商品
+        if (CollUtil.isNotEmpty(contractProducts)) {
+            contractProducts.forEach(item -> item.setContractId(contract.getId()));
+            contractProductMapper.insertBatch(contractProducts);
         }
 
-        // 2. 创建数据权限
-        crmPermissionService.createPermission(new CrmPermissionCreateReqBO().setUserId(userId)
+        // 3. 创建数据权限
+        crmPermissionService.createPermission(new CrmPermissionCreateReqBO().setUserId(contract.getOwnerUserId())
                 .setBizType(CrmBizTypeEnum.CRM_CONTRACT.getType()).setBizId(contract.getId())
                 .setLevel(CrmPermissionLevelEnum.OWNER.getLevel()));
 
-        // 3. 记录操作日志上下文
+        // 4. 记录操作日志上下文
         LogRecordContext.putVariable("contract", contract);
         return contract.getId();
     }
@@ -124,6 +123,7 @@ public class CrmContractServiceImpl implements CrmContractService {
     @CrmPermission(bizType = CrmBizTypeEnum.CRM_CONTRACT, bizId = "#updateReqVO.id", level = CrmPermissionLevelEnum.WRITE)
     public void updateContract(CrmContractSaveReqVO updateReqVO) {
         Assert.notNull(updateReqVO.getId(), "合同编号不能为空");
+        updateReqVO.setOwnerUserId(null); // 不允许更新的字段
         // 1.1 校验存在
         CrmContractDO contract = validateContractExists(updateReqVO.getId());
         // 1.2 只有草稿、审批中，可以编辑；
@@ -131,65 +131,41 @@ public class CrmContractServiceImpl implements CrmContractService {
                 CrmAuditStatusEnum.PROCESS.getStatus())) {
             throw exception(CONTRACT_UPDATE_FAIL_EDITING_PROHIBITED);
         }
+        // 1.3 校验产品项的有效性
+        List<CrmContractProductDO> contractProducts = validateContractProducts(updateReqVO.getProducts());
+        // 1.4 校验关联字段
         validateRelationDataExists(updateReqVO);
 
         // 2.1 更新合同
         CrmContractDO updateObj = BeanUtils.toBean(updateReqVO, CrmContractDO.class);
+        calculateTotalPrice(updateObj, contractProducts);
         contractMapper.updateById(updateObj);
         // 2.2 更新合同关联商品
-        updateContractProduct(updateReqVO, updateObj.getId());
+        updateContractProduct(updateReqVO.getId(), contractProducts);
 
         // 3. 记录操作日志上下文
         LogRecordContext.putVariable(DiffParseFunction.OLD_OBJECT, BeanUtils.toBean(contract, CrmContractSaveReqVO.class));
         LogRecordContext.putVariable("contractName", contract.getName());
     }
 
-    private void updateContractProduct(CrmContractSaveReqVO updateReqVO, Long contractId) {
-        if (CollUtil.isEmpty(updateReqVO.getProducts())) {
-            return;
-        }
-        List<CrmContractProductDO> newProductList = convertContractProductList(updateReqVO, contractId);
-        List<CrmContractProductDO> oldProductList = contractProductMapper.selectListByContractId(contractId);
-        List<List<CrmContractProductDO>> diffList = diffList(oldProductList, newProductList, (oldObj, newObj) -> {
-            boolean match = ObjUtil.equal(oldObj.getProductId(), newObj.getProductId());
-            if (match) {
-                newObj.setId(oldObj.getId()); // 设置一下老的编号更新时需要使用
-            }
-            return match;
-        });
+    private void updateContractProduct(Long id, List<CrmContractProductDO> newList) {
+        List<CrmContractProductDO> oldList = contractProductMapper.selectListByContractId(id);
+        List<List<CrmContractProductDO>> diffList = diffList(oldList, newList, // id 不同，就认为是不同的记录
+                (oldVal, newVal) -> oldVal.getId().equals(newVal.getId()));
         if (CollUtil.isNotEmpty(diffList.get(0))) {
+            diffList.get(0).forEach(o -> o.setContractId(id));
             contractProductMapper.insertBatch(diffList.get(0));
         }
         if (CollUtil.isNotEmpty(diffList.get(1))) {
             contractProductMapper.updateBatch(diffList.get(1));
         }
         if (CollUtil.isNotEmpty(diffList.get(2))) {
-            contractProductMapper.deleteBatchIds(convertList(diffList.get(2), CrmContractProductDO::getId));
+            contractProductMapper.deleteBatchIds(convertSet(diffList.get(2), CrmContractProductDO::getId));
         }
     }
 
     // TODO @合同待定：缺一个取消合同的接口；只有草稿、审批中可以取消；CrmAuditStatusEnum
 
-    private List<CrmContractProductDO> convertContractProductList(CrmContractSaveReqVO reqVO, Long contractId) {
-        // 校验商品存在
-        Set<Long> productIds = convertSet(reqVO.getProducts(), CrmContractSaveReqVO.Product::getProductId);
-        List<CrmProductDO> productList = productService.getProductList(productIds);
-        if (CollUtil.isEmpty(productIds) || productList.size() != productIds.size()) {
-            throw exception(PRODUCT_NOT_EXISTS);
-        }
-        Map<Long, CrmProductDO> productMap = convertMap(productList, CrmProductDO::getId);
-        // TODO 芋艿
-        return null;
-//        return convertList(reqVO.getProducts(), productItem -> {
-//            CrmProductDO product = productMap.get(productItem.getId());
-//            return BeanUtils.toBean(product, CrmContractProductDO.class)
-//                    .setId(null).setProductId(productItem.getId()).setContractId(contractId)
-//                    .setCount(productItem.getCount()).setDiscountPercent(productItem.getDiscountPercent())
-//                    // TODO 芋艿：这里临时注释掉
-//                    .setTotalPrice(MoneyUtils.calculator(null, productItem.getCount(), productItem.getDiscountPercent()));
-//        });
-    }
-
     /**
      * 校验关联数据是否存在
      *
@@ -197,17 +173,38 @@ public class CrmContractServiceImpl implements CrmContractService {
      */
     private void validateRelationDataExists(CrmContractSaveReqVO reqVO) {
         // 1. 校验客户
-        if (reqVO.getCustomerId() != null && customerService.getCustomer(reqVO.getCustomerId()) == null) {
-            throw exception(CUSTOMER_NOT_EXISTS);
+        if (reqVO.getCustomerId() != null) {
+            customerService.validateCustomer(reqVO.getCustomerId());
         }
         // 2. 校验负责人
-        if (reqVO.getOwnerUserId() != null && adminUserApi.getUser(reqVO.getOwnerUserId()) == null) {
-            throw exception(USER_NOT_EXISTS);
+        if (reqVO.getOwnerUserId() != null) {
+            adminUserApi.validateUser(reqVO.getOwnerUserId());
         }
         // 3. 如果有关联商机，则需要校验存在
-        if (reqVO.getBusinessId() != null && businessService.getBusiness(reqVO.getBusinessId()) == null) {
-            throw exception(BUSINESS_NOT_EXISTS);
+        if (reqVO.getBusinessId() != null) {
+            businessService.validateBusiness(reqVO.getBusinessId());
         }
+        // 4. 校验签约相关字段
+        if (reqVO.getSignContactId() != null) {
+            contactService.validateContact(reqVO.getSignContactId());
+        }
+        if (reqVO.getSignUserId() != null) {
+            adminUserApi.validateUser(reqVO.getSignUserId());
+        }
+    }
+
+    private List<CrmContractProductDO> validateContractProducts(List<CrmContractSaveReqVO.Product> list) {
+        // 1. 校验产品存在
+        productService.validProductList(convertSet(list, CrmContractSaveReqVO.Product::getProductId));
+        // 2. 转化为 CrmContractProductDO 列表
+        return convertList(list, o -> BeanUtils.toBean(o, CrmContractProductDO.class,
+                item -> item.setTotalPrice(MoneyUtils.priceMultiply(item.getContractPrice(), item.getCount()))));
+    }
+
+    private void calculateTotalPrice(CrmContractDO contract, List<CrmContractProductDO> contractProducts) {
+        contract.setTotalProductPrice(getSumValue(contractProducts, CrmContractProductDO::getTotalPrice, BigDecimal::add, BigDecimal.ZERO));
+        BigDecimal discountPrice = MoneyUtils.priceMultiplyPercent(contract.getTotalProductPrice(), contract.getDiscountPercent());
+        contract.setTotalPrice(contract.getTotalProductPrice().subtract(discountPrice));
     }
 
     @Override