diff --git a/yudao-module-cms/yudao-module-cms-api/src/main/java/cn/iocoder/yudao/module/cms/enums/ErrorCodeConstants.java b/yudao-module-cms/yudao-module-cms-api/src/main/java/cn/iocoder/yudao/module/cms/enums/ErrorCodeConstants.java
index 82869f4e9..29e2cf79f 100644
--- a/yudao-module-cms/yudao-module-cms-api/src/main/java/cn/iocoder/yudao/module/cms/enums/ErrorCodeConstants.java
+++ b/yudao-module-cms/yudao-module-cms-api/src/main/java/cn/iocoder/yudao/module/cms/enums/ErrorCodeConstants.java
@@ -47,6 +47,7 @@ public interface ErrorCodeConstants {
     ErrorCode EXT_CONTRACT_NOT_EXISTS = new ErrorCode(2_026_000_000, "外部合同不存在");
 
     ErrorCode EXT_CONTRACT_EXISTS = new ErrorCode(2_026_001_000, "外部合同已经存在");
+    ErrorCode EXT_CONTRACT_OCCUPIED = new ErrorCode(2_026_002_000, "外部合同已经被占用");
 
     // ========== 历史外部合同信息 2_027_000_000 ==========
     ErrorCode EXT_CONTRACT_HISTORY_NOT_EXISTS = new ErrorCode(2_027_000_000, "历史外部合同不存在");
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contract/ContractController.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contract/ContractController.java
index cef122e32..51748ffae 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contract/ContractController.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contract/ContractController.java
@@ -3,8 +3,10 @@ package cn.iocoder.yudao.module.cms.controller.admin.contract;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.file.FileUtils;
 import cn.iocoder.yudao.module.cms.controller.admin.contract.vo.ContractPageReqVO;
+import cn.iocoder.yudao.module.cms.controller.admin.contract.vo.ContractProcessInstanceRespVO;
 import cn.iocoder.yudao.module.cms.controller.admin.contract.vo.ContractRespVO;
 import cn.iocoder.yudao.module.cms.controller.admin.contract.vo.ContractSaveReqVO;
+import cn.iocoder.yudao.module.cms.controller.admin.extContract.vo.ExtContractProcessInstanceRespVO;
 import cn.iocoder.yudao.module.cms.dal.dataobject.contract.ContractDetailDO;
 import cn.iocoder.yudao.module.cms.service.contract.ContractService;
 import org.springframework.web.bind.annotation.*;
@@ -100,5 +102,20 @@ public class ContractController {
                 BeanUtils.toBean(list, ContractRespVO.class));
     }
 
+    @PostMapping("/create_process")
+    @Operation(summary = "创建流程")
+    @PreAuthorize("@ss.hasPermission('cms-ext:ext-contract:create')")
+    public CommonResult<String> createExtContractProcess(@RequestParam("id") Long id) {
+        String processId = contractService.createProcess(getLoginUserId(), id);
+        return success(processId);
+    }
+
+    @PostMapping("/get_process")
+    @Operation(summary = "查询流程")
+    @PreAuthorize("@ss.hasPermission('cms-ext:ext-contract:create')")
+    public CommonResult<ContractProcessInstanceRespVO> getExtContractProcessInstance(@RequestParam("id") Long id) {
+        ContractProcessInstanceRespVO process = contractService.getProcess(id);
+        return success(process);
+    }
 
 }
\ No newline at end of file
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contract/vo/ContractProcessInstanceRespVO.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contract/vo/ContractProcessInstanceRespVO.java
new file mode 100644
index 000000000..550d4a403
--- /dev/null
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contract/vo/ContractProcessInstanceRespVO.java
@@ -0,0 +1,68 @@
+package cn.iocoder.yudao.module.cms.controller.admin.contract.vo;
+
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Schema(description = "管理后台 - 外部合同 Response VO")
+@Data
+@ExcelIgnoreUnannotated
+public class ContractProcessInstanceRespVO {
+
+
+    @Schema(description = "流程名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋道")
+    private String processName;
+
+    @Schema(description = "流程实例的状态", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
+    private Integer processStatus; // 参见 BpmProcessInstanceStatusEnum 枚举
+
+    @Schema(description = "发起时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    private LocalDateTime startTime;
+
+    @Schema(description = "结束时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    private LocalDateTime endTime;
+
+    @Schema(description = "持续时间", example = "1000")
+    private Long durationInMillis;
+
+    /**
+     * 发起流程的用户
+     */
+    private User startUser;
+
+    /**
+     * 当前审批中的任务
+     */
+    private List<Task> tasks; // 仅在流程实例分页才返回
+
+    @Schema(description = "用户信息")
+    @Data
+    public static class User {
+
+        @Schema(description = "用户编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
+        private Long id;
+        @Schema(description = "用户昵称", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋艿")
+        private String nickname;
+
+        @Schema(description = "部门编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
+        private Long deptId;
+        @Schema(description = "部门名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "研发部")
+        private String deptName;
+
+    }
+
+    @Schema(description = "流程任务")
+    @Data
+    public static class Task {
+
+        @Schema(description = "流程任务的编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1024")
+        private String id;
+
+        @Schema(description = "任务名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋道")
+        private String name;
+
+    }
+}
\ No newline at end of file
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contract/vo/ContractSaveReqVO.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contract/vo/ContractSaveReqVO.java
index 62f83237d..66ed7ce1a 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contract/vo/ContractSaveReqVO.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contract/vo/ContractSaveReqVO.java
@@ -29,31 +29,6 @@ public class ContractSaveReqVO {
     @ExcelProperty("合同id")
     private Long extContractId;
 
-    @Schema(description = "项目编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "SJ24001")
-    @ExcelProperty("项目编号")
-    private String code;
-
-    @Schema(description = "主控部门", requiredMode = Schema.RequiredMode.REQUIRED, example = "生产一部")
-    @ExcelProperty("主控部门")
-    private String trackingDep;
-
-    @Schema(description = "项目负责人", requiredMode = Schema.RequiredMode.REQUIRED)
-    @ExcelProperty("项目负责人")
-    private String projectManager;
-
-    @Schema(description = "预计合同金额", requiredMode = Schema.RequiredMode.REQUIRED,example = "200.0000")
-    @ExcelProperty("预计合同金额")
-    private BigDecimal expectedContractAmount;
-
-    @Schema(description = "合同商议提示")
-    @ExcelProperty("合同商议提示")
-    private LocalDateTime reminderTime;
-
-    @Schema(description = "出图公司", requiredMode = Schema.RequiredMode.REQUIRED,example = "***设计院")
-    @ExcelProperty("出图公司")
-    private String drawingCompany;
-
-
 
 
     @Schema(description = "合同名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋艿")
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistoryPageReqVO.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistoryPageReqVO.java
index dc0d25252..82a74b520 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistoryPageReqVO.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistoryPageReqVO.java
@@ -1,45 +1,35 @@
 package cn.iocoder.yudao.module.cms.controller.admin.contractHistory.vo;
 
-import cn.iocoder.yudao.framework.excel.core.annotations.DictFormat;
-import cn.iocoder.yudao.module.cms.enums.DictTypeConstants;
 import lombok.*;
+import java.util.*;
 import io.swagger.v3.oas.annotations.media.Schema;
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
-@Schema(description = "管理后台 - 历史合同分页 Request VO")
+import java.math.BigDecimal;
+import org.springframework.format.annotation.DateTimeFormat;
+import java.time.LocalDateTime;
+
+import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
+
+@Schema(description = "管理后台 - 合同历史管理分页 Request VO")
 @Data
 @EqualsAndHashCode(callSuper = true)
 @ToString(callSuper = true)
 public class ContractHistoryPageReqVO extends PageParam {
 
-    @Schema(description = "合同编号")
-    private Long contractId;
-
-    @Schema(description = "项目id", requiredMode = Schema.RequiredMode.REQUIRED)
+    @Schema(description = "项目id", example = "12689")
     private Long projectId;
 
-    @Schema(description = "流程实体id", example = "12536")
-    private String processInstanceId;
-
-    @Schema(description = "合同名称", example = "芋艿")
+    @Schema(description = "合同名称", example = "王五")
     private String name;
 
-    @Schema(description = "合同类型", example = "2")
-    @DictFormat(DictTypeConstants.CONTRACT_TYPE)
+    @Schema(description = "合同类型", example = "1")
     private String type;
 
-    @Schema(description = "合同进展")
-    private String progress;
-
-    @Schema(description = "合同状态", example = "1")
-    @DictFormat(DictTypeConstants.CONTRACT_STATUS)
+    @Schema(description = "合同状态", example = "2")
     private String status;
 
-    @Schema(description = "计费方式")
-    @DictFormat(DictTypeConstants.CONTRACT_TYPE)
-    private String countType;
-
     @Schema(description = "流程状态", example = "2")
-    @DictFormat(DictTypeConstants.PROCESS_STATUS)
-    private String processStatus;
+    private Integer processStatus;
+
 
 }
\ No newline at end of file
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistoryRespVO.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistoryRespVO.java
index 7375c7994..04ffe031a 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistoryRespVO.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistoryRespVO.java
@@ -1,19 +1,32 @@
 package cn.iocoder.yudao.module.cms.controller.admin.contractHistory.vo;
 
-import cn.iocoder.yudao.framework.excel.core.annotations.DictFormat;
-import cn.iocoder.yudao.module.cms.enums.DictTypeConstants;
+import cn.iocoder.yudao.framework.common.pojo.FileDTO;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.*;
-
+import java.util.*;
 import java.math.BigDecimal;
+import org.springframework.format.annotation.DateTimeFormat;
 import java.time.LocalDateTime;
 import com.alibaba.excel.annotation.*;
+import cn.iocoder.yudao.framework.excel.core.annotations.DictFormat;
+import cn.iocoder.yudao.framework.excel.core.convert.DictConvert;
 
-@Schema(description = "管理后台 - 历史合同 Response VO")
+@Schema(description = "管理后台 - 合同历史管理 Response VO")
 @Data
 @ExcelIgnoreUnannotated
 public class ContractHistoryRespVO {
 
+    @Schema(description = "主键", requiredMode = Schema.RequiredMode.REQUIRED, example = "30774")
+    @ExcelProperty("主键")
+    private Long id;
+
+    @Schema(description = "项目id", requiredMode = Schema.RequiredMode.REQUIRED, example = "12689")
+    @ExcelProperty("项目id")
+    private Long projectId;
+
+
+
+
     @Schema(description = "项目编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "SJ24001")
     @ExcelProperty("项目编号")
     private String code;
@@ -22,39 +35,36 @@ public class ContractHistoryRespVO {
     @ExcelProperty("主控部门")
     private String trackingDep;
 
-    @Schema(description = "项目经理", requiredMode = Schema.RequiredMode.REQUIRED)
-    @ExcelProperty("项目经理")
+    @Schema(description = "项目负责人", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("项目负责人")
     private String projectManager;
 
-    @Schema(description = "分包合同提示时间")
-    @ExcelProperty("分包合同提示时间")
-    private LocalDateTime ReminderTime;
-
-    @Schema(description = "暂定结算数")
-    @ExcelProperty("暂定结算数")
-    private BigDecimal provisionalSettlement;
-
-    @Schema(description = "出图公司", requiredMode = Schema.RequiredMode.REQUIRED,example = "***设计院")
-    @ExcelProperty("出图公司")
-    private String drawingCompany;
-
     @Schema(description = "预计合同金额", requiredMode = Schema.RequiredMode.REQUIRED,example = "200.0000")
     @ExcelProperty("预计合同金额")
     private BigDecimal expectedContractAmount;
 
+    @Schema(description = "合同商议提示")
+    @ExcelProperty("合同商议提示")
+    private LocalDateTime reminderTime;
+
+    @Schema(description = "出图公司", requiredMode = Schema.RequiredMode.REQUIRED,example = "***设计院")
+    @ExcelProperty("出图公司")
+    private String drawingCompany;
 
 
-    @Schema(description = "流程实体id", example = "12536")
+
+
+    @Schema(description = "流程实体id", example = "29652")
     @ExcelProperty("流程实体id")
     private String processInstanceId;
 
-    @Schema(description = "合同名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋艿")
+    @Schema(description = "合同名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "王五")
     @ExcelProperty("合同名称")
     private String name;
 
-    @Schema(description = "合同类型", requiredMode = Schema.RequiredMode.REQUIRED, example = "2")
-    @ExcelProperty("合同类型")
-    @DictFormat(DictTypeConstants.CONTRACT_TYPE)
+    @Schema(description = "合同类型", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
+    @ExcelProperty(value = "合同类型", converter = DictConvert.class)
+    @DictFormat("contract_type") // TODO 代码优化：建议设置到对应的 DictTypeConstants 枚举类中
     private String type;
 
     @Schema(description = "合同进展", requiredMode = Schema.RequiredMode.REQUIRED)
@@ -77,37 +87,29 @@ public class ContractHistoryRespVO {
     @ExcelProperty("归档时间")
     private LocalDateTime archiveTime;
 
-    @Schema(description = "合同状态", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
-    @ExcelProperty("合同状态")
-    @DictFormat(DictTypeConstants.CONTRACT_STATUS)
+    @Schema(description = "合同状态", requiredMode = Schema.RequiredMode.REQUIRED, example = "2")
+    @ExcelProperty(value = "合同状态", converter = DictConvert.class)
+    @DictFormat("contract_status") // TODO 代码优化：建议设置到对应的 DictTypeConstants 枚举类中
     private String status;
 
     @Schema(description = "计费方式", example = "2")
-    @ExcelProperty("计费方式")
-    @DictFormat(DictTypeConstants.CONTRACT_TYPE)
+    @ExcelProperty(value = "计费方式", converter = DictConvert.class)
+    @DictFormat("contract_billing_type") // TODO 代码优化：建议设置到对应的 DictTypeConstants 枚举类中
     private String countType;
 
-    @Schema(description = "备注", example = "你猜")
-    @ExcelProperty("备注")
-    private String remark;
-
     @Schema(description = "合同url", example = "https://www.iocoder.cn")
     @ExcelProperty("合同url")
-    private String contractFileUrl;
+    private List<FileDTO> contractFileUrl;
 
     @Schema(description = "建安费")
     @ExcelProperty("建安费")
     private BigDecimal constructionCost;
 
     @Schema(description = "资金来源")
-    @ExcelProperty("资金来源")
-    @DictFormat(DictTypeConstants.SOURCE)
+    @ExcelProperty(value = "资金来源", converter = DictConvert.class)
+    @DictFormat("funds_source") // TODO 代码优化：建议设置到对应的 DictTypeConstants 枚举类中
     private String source;
 
-    @Schema(description = "优惠", example = "18154")
-    @ExcelProperty("优惠")
-    private String discount;
-
     @Schema(description = "是否联合体")
     @ExcelProperty("是否联合体")
     private Boolean consortium;
@@ -116,54 +118,73 @@ public class ContractHistoryRespVO {
     @ExcelProperty("联合体单位")
     private String consortiumCompany;
 
-    @Schema(description = "占主合同比例")
-    @ExcelProperty("占主合同比例")
-    private String extProportion;
-
     @Schema(description = "审定金额", requiredMode = Schema.RequiredMode.REQUIRED)
     @ExcelProperty("审定金额")
     private BigDecimal approvedAmount;
 
     @Schema(description = "审核文件url", example = "https://www.iocoder.cn")
     @ExcelProperty("审核文件url")
-    private String reviewFileUrl;
+    private List<FileDTO> reviewFileUrl;
 
+    @Schema(description = "创建时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("创建时间")
+    private LocalDateTime createTime;
+
+    @Schema(description = "更新者")
+    @ExcelProperty("更新者")
+    private String updater;
+
+    @Schema(description = "更新时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("更新时间")
+    private LocalDateTime updateTime;
+
+    @Schema(description = "是否删除", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("是否删除")
+    private Boolean deleted;
+
+    @Schema(description = "租户编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "24897")
+    @ExcelProperty("租户编号")
+    private Long tenantId;
 
     @Schema(description = "签订合同总额")
     @ExcelProperty("签订合同总额")
     private BigDecimal amount;
 
-    @Schema(description = "前期费")
-    @ExcelProperty("前期费")
-    private BigDecimal preAmount;
-
-    @Schema(description = "设计费")
-    @ExcelProperty("设计费")
-    private BigDecimal designAmount;
-
-    @Schema(description = "勘测费")
-    @ExcelProperty("勘测费")
-    private BigDecimal surveyFees;
-
-    @Schema(description = "测量费")
-    @ExcelProperty("测量费")
-    private BigDecimal measurementFee;
-
-    @Schema(description = "其他费")
-    @ExcelProperty("其他费")
-    private BigDecimal otherFee;
-
-    @Schema(description = "合同", example = "20704")
-    @ExcelProperty("合同")
-    private Long contractId;
-
     @Schema(description = "流程状态", example = "2")
-    @ExcelProperty("流程状态")
-    @DictFormat(DictTypeConstants.PROCESS_STATUS)
-    private String processStatus;
+    @ExcelProperty(value = "流程状态", converter = DictConvert.class)
+    @DictFormat("bpm_process_instance_status") // TODO 代码优化：建议设置到对应的 DictTypeConstants 枚举类中
+    private Integer processStatus;
 
     @Schema(description = "版本")
     @ExcelProperty("版本")
     private String version;
 
+    @Schema(description = "暂定结算数")
+    @ExcelProperty("暂定结算数")
+    private BigDecimal provisionalSettlement;
+
+    @Schema(description = "备注", example = "你猜")
+    @ExcelProperty("备注")
+    private String remark;
+
+    @Schema(description = "优惠", example = "27337")
+    @ExcelProperty("优惠")
+    private BigDecimal discount;
+
+    @Schema(description = "占主合同比例")
+    @ExcelProperty("占主合同比例")
+    private BigDecimal extProportion;
+
+    @Schema(description = "最后编辑人")
+    @ExcelProperty("最后编辑人")
+    private String finalEditor;
+
+    @Schema(description = "合同", requiredMode = Schema.RequiredMode.REQUIRED, example = "24519")
+    @ExcelProperty("合同")
+    private Long contractId;
+
+    @Schema(description = "外部合同id", requiredMode = Schema.RequiredMode.REQUIRED, example = "13441")
+    @ExcelProperty("外部合同id")
+    private Long extContractId;
+
 }
\ No newline at end of file
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistorySaveReqVO.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistorySaveReqVO.java
index 4bc1915e0..3346651ac 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistorySaveReqVO.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/contractHistory/vo/ContractHistorySaveReqVO.java
@@ -1,31 +1,112 @@
 package cn.iocoder.yudao.module.cms.controller.admin.contractHistory.vo;
 
-import cn.iocoder.yudao.framework.excel.core.annotations.DictFormat;
-import cn.iocoder.yudao.module.cms.enums.DictTypeConstants;
-import com.alibaba.excel.annotation.ExcelProperty;
+import cn.iocoder.yudao.framework.common.pojo.FileDTO;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.*;
+import java.util.*;
 import jakarta.validation.constraints.*;
-
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
 
-@Schema(description = "管理后台 - 历史合同新增/修改 Request VO")
+@Schema(description = "管理后台 - 合同历史管理新增/修改 Request VO")
 @Data
 public class ContractHistorySaveReqVO {
 
+    @Schema(description = "主键", requiredMode = Schema.RequiredMode.REQUIRED, example = "30774")
+    private Long id;
 
-    @Schema(description = "流程实体id", example = "12536")
+    @Schema(description = "项目id", requiredMode = Schema.RequiredMode.REQUIRED, example = "12689")
+    @NotNull(message = "项目id不能为空")
+    private Long projectId;
+
+    @Schema(description = "流程实体id", example = "29652")
     private String processInstanceId;
 
-    @Schema(description = "流程状态", example = "2")
-    @DictFormat(DictTypeConstants.PROCESS_STATUS)
-    private String processStatus;
+    @Schema(description = "合同名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "王五")
+    @NotEmpty(message = "合同名称不能为空")
+    private String name;
 
-    @Schema(description = "合同", example = "20704")
-    private Long contractId;
+    @Schema(description = "合同类型", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
+    @NotEmpty(message = "合同类型不能为空")
+    private String type;
+
+    @Schema(description = "合同进展", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotEmpty(message = "合同进展不能为空")
+    private String progress;
+
+    @Schema(description = "合同拟定时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "合同拟定时间不能为空")
+    private LocalDateTime expectedTime;
+
+    @Schema(description = "合同用印时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "合同用印时间不能为空")
+    private LocalDateTime printingTime;
+
+    @Schema(description = "签订时间")
+    private LocalDateTime signingTime;
+
+    @Schema(description = "归档时间")
+    private LocalDateTime archiveTime;
+
+    @Schema(description = "合同状态", requiredMode = Schema.RequiredMode.REQUIRED, example = "2")
+    @NotEmpty(message = "合同状态不能为空")
+    private String status;
+
+    @Schema(description = "计费方式", example = "2")
+    private String countType;
+
+    @Schema(description = "合同url", example = "https://www.iocoder.cn")
+    private List<FileDTO> contractFileUrl;
+
+    @Schema(description = "建安费")
+    private BigDecimal constructionCost;
+
+    @Schema(description = "资金来源")
+    private String source;
+
+    @Schema(description = "是否联合体")
+    private Boolean consortium;
+
+    @Schema(description = "联合体单位")
+    private String consortiumCompany;
+
+    @Schema(description = "审定金额", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "审定金额不能为空")
+    private BigDecimal approvedAmount;
+
+    @Schema(description = "审核文件url", example = "https://www.iocoder.cn")
+    private List<FileDTO> reviewFileUrl;
+
+    @Schema(description = "签订合同总额")
+    private BigDecimal amount;
+
+    @Schema(description = "流程状态", example = "2")
+    private Integer processStatus;
 
     @Schema(description = "版本")
     private String version;
 
+    @Schema(description = "暂定结算数")
+    private BigDecimal provisionalSettlement;
+
+    @Schema(description = "备注", example = "你猜")
+    private String remark;
+
+    @Schema(description = "优惠", example = "27337")
+    private BigDecimal discount;
+
+    @Schema(description = "占主合同比例")
+    private BigDecimal extProportion;
+
+    @Schema(description = "最后编辑人")
+    private String finalEditor;
+
+    @Schema(description = "合同", requiredMode = Schema.RequiredMode.REQUIRED, example = "24519")
+    @NotNull(message = "合同不能为空")
+    private Long contractId;
+
+    @Schema(description = "外部合同id", requiredMode = Schema.RequiredMode.REQUIRED, example = "13441")
+    @NotNull(message = "外部合同id不能为空")
+    private Long extContractId;
+
 }
\ No newline at end of file
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/extContract/vo/ExtContractProcessInstanceRespVO.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/extContract/vo/ExtContractProcessInstanceRespVO.java
index f3371d349..37c635c0e 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/extContract/vo/ExtContractProcessInstanceRespVO.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/controller/admin/extContract/vo/ExtContractProcessInstanceRespVO.java
@@ -20,154 +20,6 @@ import java.util.Map;
 public class ExtContractProcessInstanceRespVO {
 
 
-
-
-    @Schema(description = "主键", requiredMode = Schema.RequiredMode.REQUIRED, example = "964")
-    @ExcelProperty("主键")
-    private Long id;
-
-    @Schema(description = "项目id", requiredMode = Schema.RequiredMode.REQUIRED, example = "16261")
-    @ExcelProperty("项目id")
-    private Long projectId;
-
-
-
-    @Schema(description = "项目编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "SJ24001")
-    @ExcelProperty("项目编号")
-    private String code;
-
-    @Schema(description = "客户名称")
-    @ExcelProperty("客户名称")
-    private String constructionSide;
-
-    @Schema(description = "主控部门", requiredMode = Schema.RequiredMode.REQUIRED, example = "生产一部")
-    @ExcelProperty("主控部门")
-    private String trackingDep;
-
-    @Schema(description = "项目负责人", requiredMode = Schema.RequiredMode.REQUIRED)
-    @ExcelProperty("项目负责人")
-    private String projectManager;
-
-    @Schema(description = "外部合同商议提示时间")
-    @ExcelProperty("外部合同商议提示时间")
-    private LocalDateTime exReminderTime;
-
-
-
-
-
-    @Schema(description = "合同名称", example = "赵六")
-    @ExcelProperty("合同名称")
-    private String name;
-
-    @Schema(description = "合同类型", example = "2")
-    @ExcelProperty(value = "合同类型", converter = DictConvert.class)
-    @DictFormat(DictTypeConstants.CONTRACT_TYPE)
-    private String type;
-
-    @Schema(description = "合同进展")
-    @ExcelProperty("合同进展")
-    private String progress;
-
-    @Schema(description = "预计签订时间", requiredMode = Schema.RequiredMode.REQUIRED)
-    @ExcelProperty("预计签订时间")
-    private LocalDateTime expectedTime;
-
-    @Schema(description = "签订时间")
-    @ExcelProperty("签订时间")
-    private LocalDateTime signingTime;
-
-    @Schema(description = "归档时间")
-    @ExcelProperty("归档时间")
-    private LocalDateTime archiveTime;
-
-    @Schema(description = "状态", example = "2")
-    @ExcelProperty(value = "状态", converter = DictConvert.class)
-    @DictFormat(DictTypeConstants.CONTRACT_STATUS)
-    private String status;
-
-    @Schema(description = "合同总金额", requiredMode = Schema.RequiredMode.REQUIRED)
-    @ExcelProperty("合同总金额")
-    private BigDecimal amount;
-
-    @Schema(description = "前期费用")
-    @ExcelProperty("前期费用")
-    private BigDecimal preAmount;
-
-    @Schema(description = "设计费")
-    @ExcelProperty("设计费")
-    private BigDecimal designFee;
-
-    @Schema(description = "勘测费")
-    @ExcelProperty("勘测费")
-    private BigDecimal surveyFees;
-
-    @Schema(description = "检测费")
-    @ExcelProperty("检测费")
-    private BigDecimal testingFee;
-
-    @Schema(description = "其他费")
-    @ExcelProperty("其他费")
-    private BigDecimal otherFee;
-
-    @Schema(description = "计费方式", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
-    @ExcelProperty(value = "计费方式", converter = DictConvert.class)
-    @DictFormat(DictTypeConstants.COUNT_TYPE)
-    private String countType;
-
-    @Schema(description = "备注", example = "随便")
-    @ExcelProperty("备注")
-    private String remark;
-
-    @Schema(description = "合同附件url")
-    @ExcelProperty("合同附件url")
-    private List<FileDTO> contractFileUrl;
-
-    @Schema(description = "建安费")
-    @ExcelProperty("建安费")
-    private BigDecimal constructionCost;
-
-    @Schema(description = "资金来源")
-    @ExcelProperty(value = "资金来源", converter = DictConvert.class)
-    @DictFormat(DictTypeConstants.SOURCE)
-    private String source;
-
-    @Schema(description = "收费标准", requiredMode = Schema.RequiredMode.REQUIRED)
-    @ExcelProperty(value = "收费标准", converter = DictConvert.class)
-    @DictFormat(DictTypeConstants.CHARGING_STANDARD)
-    private String chargingStandard;
-
-    @Schema(description = "优惠", example = "123")
-    @ExcelProperty("优惠")
-    private BigDecimal discount;
-
-    @Schema(description = "是否联合体", requiredMode = Schema.RequiredMode.REQUIRED)
-    @ExcelProperty("是否联合体")
-    private Boolean consortium;
-
-    @Schema(description = "联合体单位")
-    @ExcelProperty("联合体单位")
-    private String consortiumCompany;
-
-    @Schema(description = "合同商议提示")
-    @ExcelProperty("合同商议提示")
-    private LocalDateTime reminderTime;
-
-    @Schema(description = "审定金额")
-    @ExcelProperty("审定金额")
-    private BigDecimal approvedAmount;
-
-    @Schema(description = "审核文件url")
-    @ExcelProperty("审核文件url")
-    private List<FileDTO> reviewFileUrl;
-
-    @Schema(description = "最后编辑人")
-    @ExcelProperty("最后编辑人")
-    private String finalEditor;
-
-
-
-
     @Schema(description = "流程名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋道")
     private String processName;
 
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/dal/dataobject/contractHistory/ContractHistoryDO.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/dal/dataobject/contractHistory/ContractHistoryDO.java
index fbe6a48bb..4f931748d 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/dal/dataobject/contractHistory/ContractHistoryDO.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/dal/dataobject/contractHistory/ContractHistoryDO.java
@@ -1,15 +1,24 @@
 package cn.iocoder.yudao.module.cms.dal.dataobject.contractHistory;
 
 import lombok.*;
-
+import java.util.*;
+import java.time.LocalDateTime;
+import java.time.LocalDateTime;
+import java.time.LocalDateTime;
 import java.time.LocalDateTime;
 import java.math.BigDecimal;
-
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+import java.time.LocalDateTime;
+import java.math.BigDecimal;
+import java.math.BigDecimal;
+import java.math.BigDecimal;
+import java.math.BigDecimal;
 import com.baomidou.mybatisplus.annotation.*;
 import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
 
 /**
- * 历史合同 DO
+ * 合同历史管理 DO
  *
  * @author 管理员
  */
@@ -22,6 +31,7 @@ import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
 @NoArgsConstructor
 @AllArgsConstructor
 public class ContractHistoryDO extends BaseDO {
+
     /**
      * 主键
      */
@@ -31,30 +41,18 @@ public class ContractHistoryDO extends BaseDO {
      * 项目id
      */
     private Long projectId;
-    /**
-     * 流程状态
-     */
-    private String processStatus;
-    /**
-     * 该合同的id
-     */
-    private Long contractId;
-    /**
-     * 版本
-     */
-    private String version;
     /**
      * 流程实体id
      */
     private String processInstanceId;
-
-
     /**
      * 合同名称
      */
     private String name;
     /**
      * 合同类型
+     *
+     * 枚举 {@link TODO contract_type 对应的类}
      */
     private String type;
     /**
@@ -79,26 +77,16 @@ public class ContractHistoryDO extends BaseDO {
     private LocalDateTime archiveTime;
     /**
      * 合同状态
-     * 枚举 {@link cn.iocoder.yudao.module.cms.enums.DictTypeConstants}
+     *
+     * 枚举 {@link TODO contract_status 对应的类}
      */
     private String status;
-    /**
-     * 签订合同总额
-     */
-    private BigDecimal amount;
     /**
      * 计费方式
-     * 枚举 {@link cn.iocoder.yudao.module.cms.enums.DictTypeConstants}
+     *
+     * 枚举 {@link TODO contract_billing_type 对应的类}
      */
     private String countType;
-    /**
-     * 暂定结算数
-     */
-    private BigDecimal provisionalSettlement;
-    /**
-     * 备注
-     */
-    private String remark;
     /**
      * 合同url
      */
@@ -109,12 +97,10 @@ public class ContractHistoryDO extends BaseDO {
     private BigDecimal constructionCost;
     /**
      * 资金来源
+     *
+     * 枚举 {@link TODO funds_source 对应的类}
      */
     private String source;
-    /**
-     * 优惠
-     */
-    private BigDecimal discount;
     /**
      * 是否联合体
      */
@@ -123,10 +109,6 @@ public class ContractHistoryDO extends BaseDO {
      * 联合体单位
      */
     private String consortiumCompany;
-    /**
-     * 占主合同比例
-     */
-    private BigDecimal extProportion;
     /**
      * 审定金额
      */
@@ -135,9 +117,47 @@ public class ContractHistoryDO extends BaseDO {
      * 审核文件url
      */
     private String reviewFileUrl;
+    /**
+     * 签订合同总额
+     */
+    private BigDecimal amount;
+    /**
+     * 流程状态
+     *
+     * 枚举 {@link TODO bpm_process_instance_status 对应的类}
+     */
+    private Integer processStatus;
+    /**
+     * 版本
+     */
+    private String version;
+    /**
+     * 暂定结算数
+     */
+    private BigDecimal provisionalSettlement;
+    /**
+     * 备注
+     */
+    private String remark;
+    /**
+     * 优惠
+     */
+    private BigDecimal discount;
+    /**
+     * 占主合同比例
+     */
+    private BigDecimal extProportion;
     /**
      * 最后编辑人
      */
     private String finalEditor;
+    /**
+     * 合同
+     */
+    private Long contractId;
+    /**
+     * 外部合同id
+     */
+    private Long extContractId;
 
 }
\ No newline at end of file
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/dal/mysql/contractHistory/ContractHistoryMapper.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/dal/mysql/contractHistory/ContractHistoryMapper.java
index c27fa483c..4064aa8f1 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/dal/mysql/contractHistory/ContractHistoryMapper.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/dal/mysql/contractHistory/ContractHistoryMapper.java
@@ -1,14 +1,14 @@
 package cn.iocoder.yudao.module.cms.dal.mysql.contractHistory;
 
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
+import cn.iocoder.yudao.module.cms.controller.admin.contractHistory.vo.ContractHistoryPageReqVO;
 import cn.iocoder.yudao.module.cms.dal.dataobject.contractHistory.ContractHistoryDO;
 import org.apache.ibatis.annotations.Mapper;
-import cn.iocoder.yudao.module.cms.controller.admin.contractHistory.vo.*;
 
 /**
- * 历史合同 Mapper
+ * 合同历史管理 Mapper
  *
  * @author 管理员
  */
@@ -17,15 +17,13 @@ public interface ContractHistoryMapper extends BaseMapperX<ContractHistoryDO> {
 
     default PageResult<ContractHistoryDO> selectPage(ContractHistoryPageReqVO reqVO) {
         return selectPage(reqVO, new LambdaQueryWrapperX<ContractHistoryDO>()
-                .eqIfPresent(ContractHistoryDO::getProcessInstanceId, reqVO.getProcessInstanceId())
+                .eqIfPresent(ContractHistoryDO::getProjectId, reqVO.getProjectId())
                 .likeIfPresent(ContractHistoryDO::getName, reqVO.getName())
-                .eqIfPresent(ContractHistoryDO::getProjectId,reqVO.getProjectId())
                 .eqIfPresent(ContractHistoryDO::getType, reqVO.getType())
-                .eqIfPresent(ContractHistoryDO::getProgress, reqVO.getProgress())
                 .eqIfPresent(ContractHistoryDO::getStatus, reqVO.getStatus())
-                .eqIfPresent(ContractHistoryDO::getCountType, reqVO.getCountType())
                 .eqIfPresent(ContractHistoryDO::getProcessStatus, reqVO.getProcessStatus())
-                .eqIfPresent(ContractHistoryDO::getContractId, reqVO.getContractId()));
+
+        );
     }
 
 }
\ No newline at end of file
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contract/ContractService.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contract/ContractService.java
index 8cea89943..74644c83b 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contract/ContractService.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contract/ContractService.java
@@ -60,7 +60,19 @@ public interface ContractService {
      */
     ContractDetailDO getContractDetail(Long id);
 
+    /**
+     * 创建流程
+     * @param id 合同id
+     * @return
+     */
+    String createProcess(Long loginUserId,Long id);
 
+    /**
+     * 查询流程
+     * @param id 合同id
+     * @return
+     */
+    ContractProcessInstanceRespVO getProcess(Long id);
 
 
 }
\ No newline at end of file
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contract/ContractServiceImpl.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contract/ContractServiceImpl.java
index 71a242144..44ee1b9c1 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contract/ContractServiceImpl.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contract/ContractServiceImpl.java
@@ -2,8 +2,13 @@ package cn.iocoder.yudao.module.cms.service.contract;
 
 import cn.hutool.core.bean.BeanUtil;
 import cn.iocoder.yudao.framework.common.util.file.FileUtils;
+import cn.iocoder.yudao.module.bpm.api.task.BpmProcessInstanceApi;
+import cn.iocoder.yudao.module.bpm.api.task.dto.BpmProcessInstanceCreateReqDTO;
+import cn.iocoder.yudao.module.bpm.api.task.dto.BpmProcessInstanceGetRespDTO;
 import cn.iocoder.yudao.module.cms.dal.dataobject.contract.ContractDetailDO;
+import cn.iocoder.yudao.module.cms.dal.dataobject.contractHistory.ContractHistoryDO;
 import cn.iocoder.yudao.module.cms.dal.mysql.contract.ContractMapper;
+import cn.iocoder.yudao.module.cms.dal.mysql.contractHistory.ContractHistoryMapper;
 import cn.iocoder.yudao.module.cms.service.extContract.ExtContractService;
 import cn.iocoder.yudao.module.pms.api.projectschedule.ProjectScheduleApi;
 import cn.iocoder.yudao.module.pms.api.projectschedule.dto.ProjectScheduleDetailDTO;
@@ -23,6 +28,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.PROCESS_INSTANCE_NOT_END;
 import static cn.iocoder.yudao.module.cms.enums.ErrorCodeConstants.*;
 import static cn.iocoder.yudao.module.system.enums.ErrorCodeConstants.USER_NOT_EXISTS;
 
@@ -35,6 +41,11 @@ import static cn.iocoder.yudao.module.system.enums.ErrorCodeConstants.USER_NOT_E
 @Validated
 public class ContractServiceImpl implements ContractService {
 
+    /**
+     * 合同审批流程定义
+     */
+    public static final String PROCESS_KEY = "contract_init";
+
     @Resource
     private ContractMapper contractMapper;
 
@@ -50,31 +61,67 @@ public class ContractServiceImpl implements ContractService {
     @Resource
     private ExtContractService extContractService;
 
+    @Resource
+    private ContractHistoryMapper contractHistoryMapper;
+
+    @Resource
+    private BpmProcessInstanceApi processInstanceApi;
+
 
     @Override
     public Long createContract(Long loginUserId, ContractSaveReqVO createReqVO) {
-
+        //先有外部 后有合同
         String userName = adminUserApi.getUser(loginUserId).getNickname();
         if (userName == null) {
             throw exception(USER_NOT_EXISTS);
         }
         //校验,项目是否存在
+        Long extContractId = createReqVO.getExtContractId();
         Long projectId = createReqVO.getProjectId();
         projectTrackingApi.validateProjectExists(projectId);
+        //校验对应的外部合同是否存在
+        extContractService.validateExtContractExists(createReqVO.getExtContractId());
         String name = createReqVO.getName();
         String trimName = name.trim();
         List<ContractDO> projectList = contractMapper.selectList("project_id", projectId);
         for (ContractDO contractDO : projectList) {
-            if (contractDO.getName().equals(trimName)){
+            if (contractDO.getName().equals(trimName)) {
                 throw exception(CONTRACT_ALREADY_EXISTS);
             }
         }
+        Long count = contractMapper.selectCount("ext_contract_id", extContractId);
+        if (count > 0) {
+            throw exception(EXT_CONTRACT_OCCUPIED);
+        }
+
         ContractDO contract = BeanUtils.toBean(createReqVO, ContractDO.class);
         contract.setReviewFileUrl(FileUtils.covertFileToJSONString(createReqVO.getReviewFileUrl()));
         contract.setContractFileUrl(FileUtils.covertFileToJSONString(createReqVO.getContractFileUrl()));
         contract.setCreator(userName);
         contract.setUpdater(userName);
+        //也要插入历史
+        ContractHistoryDO contractHistoryDO = BeanUtils.toBean(contract, ContractHistoryDO.class);
         contractMapper.insert(contract);
+        contractHistoryDO.setExtContractId(contract.getExtContractId());
+        contractHistoryDO.setContractId(contract.getId());
+        //版本
+        if (contractMapper.selectCount("project_id", createReqVO.getProjectId()) < 1) {
+            contractHistoryDO.setVersion("1");
+        } else {
+            contractHistoryDO.setVersion(String.valueOf(contractHistoryMapper.selectCount("project_id", createReqVO.getProjectId()) + 1));
+        }
+        //状态
+        contractHistoryDO.setProcessStatus(1);
+        contractHistoryMapper.insert(contractHistoryDO);
+
+        // 启动流程
+        if (createReqVO.getId() == null) {
+            String processInstanceId = processInstanceApi.createProcessInstance(loginUserId,
+                    new BpmProcessInstanceCreateReqDTO().setProcessDefinitionKey(PROCESS_KEY)
+                            .setBusinessKey(String.valueOf(contract.getId())));
+            // 写入工作流编号
+            contractHistoryMapper.updateById(contractHistoryDO.setProcessInstanceId(processInstanceId));
+        }
         //返回
         return contract.getId();
     }
@@ -120,7 +167,6 @@ public class ContractServiceImpl implements ContractService {
     }
 
 
-
     @Override
     public ContractDetailDO getContractDetail(Long id) {
         ContractDetailDO contractDetailDO = new ContractDetailDO();
@@ -136,12 +182,47 @@ public class ContractServiceImpl implements ContractService {
         ProjectTrackingDetailDTO projectTracking = projectTrackingApi.getProjectTracking(projectId);
         contractDetailDO.setReminderTime(extContractService.getContractDetail(extContractId).getReminderTime());
         BeanUtil.copyProperties(contractDO, contractDetailDO);
-        BeanUtil.copyProperties(projectTracking,contractDetailDO);
-        BeanUtil.copyProperties(projectScheduleDetail,contractDetailDO);
+        BeanUtil.copyProperties(projectTracking, contractDetailDO);
+        BeanUtil.copyProperties(projectScheduleDetail, contractDetailDO);
 
         return contractDetailDO;
     }
 
+    @Override
+    public String createProcess(Long loginUserId, Long id) {
+        //拿出该合同的当前流程
+        ContractHistoryDO contractHistoryDO = contractHistoryMapper.selectOne("contract_id", id);
+        String processInstanceId0 = contractHistoryDO.getProcessInstanceId();
+        //流程引擎里的最新状态
+        Integer status = processInstanceApi.getProcessInstance(processInstanceId0).getStatus();
+        if (status == 1) {
+            throw exception(PROCESS_INSTANCE_NOT_END);
+        }
+
+        //创建新的流程
+        String processInstanceId = processInstanceApi.createProcessInstance(loginUserId,
+                new BpmProcessInstanceCreateReqDTO().setProcessDefinitionKey(PROCESS_KEY)
+                        .setBusinessKey(String.valueOf(id)));
+        // 更新工作流编号
+        contractHistoryMapper.updateById(contractHistoryDO.setProcessInstanceId(processInstanceId).setProcessStatus(status));
+
+        return processInstanceId;
+    }
+
+    @Override
+    public ContractProcessInstanceRespVO getProcess(Long id) {
+        ContractHistoryDO contractHistoryDO = contractHistoryMapper.selectOne("contract_id", id);
+        String processInstanceId = contractHistoryDO.getProcessInstanceId();
+        BpmProcessInstanceGetRespDTO processInstance = processInstanceApi.getProcessInstance(processInstanceId);
+        ContractProcessInstanceRespVO contractProcessInstanceRespVO = new ContractProcessInstanceRespVO();
+        BeanUtil.copyProperties(processInstance, contractProcessInstanceRespVO);
+        contractHistoryDO.setProcessStatus(processInstance.getStatus());
+
+        //其他具体信息可以从bpm里面调用
+
+        return contractProcessInstanceRespVO;
+    }
+
 
     @Override
     public void validateContractExists(Long id) {
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contractHistory/ContractHistoryServiceImpl.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contractHistory/ContractHistoryServiceImpl.java
index e400fd596..77fca5b1a 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contractHistory/ContractHistoryServiceImpl.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/contractHistory/ContractHistoryServiceImpl.java
@@ -1,6 +1,6 @@
 package cn.iocoder.yudao.module.cms.service.contractHistory;
-import cn.iocoder.yudao.module.cms.enums.ContractStatusEnum;
-import cn.iocoder.yudao.module.cms.enums.ContractTypeEnum;
+import cn.iocoder.yudao.module.cms.service.extContract.ExtContractService;
+import cn.iocoder.yudao.module.pms.api.projecttracking.ProjectTrackingApi;
 import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
 import org.springframework.stereotype.Service;
 import jakarta.annotation.Resource;
@@ -16,7 +16,6 @@ import java.util.List;
 
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
 import static cn.iocoder.yudao.module.cms.enums.ErrorCodeConstants.*;
-import static cn.iocoder.yudao.module.system.enums.ErrorCodeConstants.USER_NOT_EXISTS;
 
 /**
  * 历史合同 Service 实现类
@@ -33,18 +32,22 @@ public class ContractHistoryServiceImpl implements ContractHistoryService {
     @Resource
     private AdminUserApi adminUserApi;
 
+    @Resource
+    private ExtContractService extContractService;
 
+    @Resource
+    private ProjectTrackingApi projectTrackingApi;
 
 
     @Override
     public void updateContractHistory(Long loginUserId,ContractHistorySaveReqVO updateReqVO) {
         //校验
-        if (loginUserId == null){
-            throw exception(USER_NOT_EXISTS);
-        }
+        validateContractHistoryExists(updateReqVO.getId());
+        extContractService.validateExtContractExists(updateReqVO.getExtContractId());
+        projectTrackingApi.validateProjectExists(updateReqVO.getProjectId());
+        String userName = adminUserApi.getUser(loginUserId).getNickname();
         // 更新
         ContractHistoryDO updateObj = BeanUtils.toBean(updateReqVO, ContractHistoryDO.class);
-        String userName = adminUserApi.getUser(loginUserId).getNickname();
         updateObj.setUpdater(userName);
         contractHistoryMapper.updateById(updateObj);
     }
@@ -52,49 +55,7 @@ public class ContractHistoryServiceImpl implements ContractHistoryService {
 
     @Override
     public ContractHistoryRespVO getContractHistory(Long id) {
-        //校验
-        if (id == null) {
-            throw exception(CONTRACT_NOT_EXISTS);
-        }
-
-        ContractHistoryDO contractHistoryDO = contractHistoryMapper.selectById(id);
-        if (contractHistoryDO == null) {
-            throw exception(CONTRACT_NOT_EXISTS);
-        }
-
-        Long projectId = contractHistoryDO.getProjectId();
-
-        if (projectId == null) {
-            throw exception(PROJECT_NOT_EXISTS);
-        }
-        ContractHistoryRespVO contractHistoryRespVO = BeanUtils.toBean(contractHistoryDO, ContractHistoryRespVO.class);
-
-//        需要联表查询
-//        1.项目编号 pms_project 直接 √
-//        2.主控部门(跟踪部门) pms_project找到的是id 需要联表 √
-//        3.项目经理 pms_project找到的是id 需要联表 √
-//        4.出图公司 pms_project 直接 √
-//        5.预计合同金额 pms_project 直接 √
-//        6.分包合同商议提示 √
-//        7.暂定结算数 √
-
-
-        contractHistoryRespVO.setType(ContractTypeEnum.getNoByCode(contractHistoryRespVO.getType()));
-        contractHistoryRespVO.setStatus(ContractStatusEnum.getNoByCode(contractHistoryRespVO.getStatus()));
-        contractHistoryRespVO.setCountType(ContractStatusEnum.getNoByCode(contractHistoryRespVO.getCountType()));
-        contractHistoryRespVO.setSource(ContractStatusEnum.getNoByCode(contractHistoryRespVO.getSource()));
-
-        //分包合同商议提示 TODO 待优化
-//        ExtContractDO extContractDO = extContractMapper.selectOne("project_id", projectId);
-//        LocalDateTime reminderTime = extContractDO.getReminderTime();
-        contractHistoryRespVO.setReminderTime(null);
-
-        //暂定结算数
-
-
-
-        return contractHistoryRespVO;
-
+        return null;
     }
 
 
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/extContract/ExtContractService.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/extContract/ExtContractService.java
index cbc998237..a68100ff2 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/extContract/ExtContractService.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/extContract/ExtContractService.java
@@ -72,7 +72,8 @@ public interface ExtContractService {
     /**
      * 查询流程
      * @param id 外部合同id
-     * @return
+     * @return 流程信息部分
      */
     ExtContractProcessInstanceRespVO getProcess(Long id);
+
 }
\ No newline at end of file
diff --git a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/extContract/ExtContractServiceImpl.java b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/extContract/ExtContractServiceImpl.java
index 18726a5fe..b5f628854 100644
--- a/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/extContract/ExtContractServiceImpl.java
+++ b/yudao-module-cms/yudao-module-cms-biz/src/main/java/cn/iocoder/yudao/module/cms/service/extContract/ExtContractServiceImpl.java
@@ -202,6 +202,7 @@ public class ExtContractServiceImpl implements ExtContractService {
         BeanUtil.copyProperties(processInstance, extContractProcessInstanceRespVO);
         extContractHistoryDO.setProcessStatus(processInstance.getStatus());
 
+        //其他具体信息可以从bpm里面调用
 
         return extContractProcessInstanceRespVO;
     }