diff --git a/src/main/java/cn/palmte/work/service/ProjectInstanceService.java b/src/main/java/cn/palmte/work/service/ProjectInstanceService.java
index 2b73f39..f98b950 100644
--- a/src/main/java/cn/palmte/work/service/ProjectInstanceService.java
+++ b/src/main/java/cn/palmte/work/service/ProjectInstanceService.java
@@ -1,10 +1,8 @@
 package cn.palmte.work.service;
 
+import cn.palmte.work.bean.ApproveStatusEnum;
 import cn.palmte.work.config.activiti.ActConstant;
-import cn.palmte.work.model.Admin;
-import cn.palmte.work.model.Project;
-import cn.palmte.work.model.ProjectInstanceRelation;
-import cn.palmte.work.model.ProjectInstanceRelationRepository;
+import cn.palmte.work.model.*;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -16,6 +14,10 @@ import java.util.HashMap;
  */
 @Service
 public class ProjectInstanceService {
+    @Autowired
+    private ProjectRepository projectRepository;
+    @Autowired
+    private AdminService adminService;
     @Autowired
     private ActProcInsService actProcInsService;
     @Autowired
@@ -64,4 +66,44 @@ public class ProjectInstanceService {
         projectInstanceRelationRepository.saveAndFlush(relation);
     }
 
+    /**
+     * 更新审批人，用于在任务监听器中更新下个审批人
+     * @param projectId 项目id
+     * @param adminId 审批人id
+     */
+    public void updateApprover(int projectId, int adminId){
+        Project project = projectRepository.findOne(projectId);
+        Admin admin = adminService.getAdminById(adminId);
+        project.setApproveId(adminId);
+        project.setApproveName(admin.getUserName());
+        project.setLastUpdateTime(new Date());
+        projectRepository.saveAndFlush(project);
+    }
+
+    /**
+     * 更新对应审批状态
+     * @param projectId 项目id
+     * @param approveStatusEnum 审批状态 1待审核，2审核通过，3审核不通过
+     * @see ApproveStatusEnum
+     * @param processKey 审批类型
+     * @see ActConstant#PROCESS_DEFKEY_ESTIMATE
+     * @see ActConstant#PROCESS_DEFKEY_BUDGET
+     * @see ActConstant#PROCESS_DEFKEY_SETTLE
+     * @see ActConstant#PROCESS_DEFKEY_FINAL
+     */
+    public void updateApproveStatus(int projectId, ApproveStatusEnum approveStatusEnum, String processKey){
+        Project project = projectRepository.findOne(projectId);
+        if(ActConstant.PROCESS_DEFKEY_ESTIMATE.equals(processKey)){
+            project.setApproveStatusEstimate(approveStatusEnum.getApproveStatus());
+        }else if(ActConstant.PROCESS_DEFKEY_BUDGET.equals(processKey)){
+            project.setApproveStatusBudget(approveStatusEnum.getApproveStatus());
+        }else if(ActConstant.PROCESS_DEFKEY_SETTLE.equals(processKey)){
+            project.setApproveStatusSettle(approveStatusEnum.getApproveStatus());
+        }else if(ActConstant.PROCESS_DEFKEY_FINAL.equals(processKey)){
+            project.setApproveStatusFinal(approveStatusEnum.getApproveStatus());
+        }
+
+        project.setLastUpdateTime(new Date());
+        projectRepository.saveAndFlush(project);
+    }
 }