diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/SysOaTaskController.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/SysOaTaskController.java
index 7280269..a413e93 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/SysOaTaskController.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/SysOaTaskController.java
@@ -83,6 +83,22 @@ public class SysOaTaskController extends BaseController {
         return R.ok(iSysOaTaskService.listDocumentProject(projectId));
     }
 
+    /**
+     * 按总包项目+阶段查询任务
+     */
+    @GetMapping("/rm/tasks")
+    public R<List<SysOaTaskVo>> listByRmProject(@RequestParam Long projectId, @RequestParam(required = false) String stageCode) {
+        return R.ok(iSysOaTaskService.queryByRmProject(projectId, stageCode));
+    }
+
+    /**
+     * 按总包项目统计各阶段任务数
+     */
+    @GetMapping("/rm/taskCount")
+    public R<List<java.util.Map<String, Object>>> taskCountByStage(@RequestParam Long projectId) {
+        return R.ok(iSysOaTaskService.countByRmProjectStage(projectId));
+    }
+
     /**
      * 导出任务管理列表
      */
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/SysOaTask.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/SysOaTask.java
index 420c2a5..b0b828d 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/SysOaTask.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/SysOaTask.java
@@ -34,6 +34,10 @@ public class SysOaTask extends BaseEntity {
      * 项目ID
      */
     private Long projectId;
+    /**
+     * 阶段编码
+     */
+    private String stageCode;
     /**
      * 任务主题
      */
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/SysOaTaskBo.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/SysOaTaskBo.java
index ffa1553..097128b 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/SysOaTaskBo.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/SysOaTaskBo.java
@@ -37,6 +37,11 @@ public class SysOaTaskBo extends BaseEntity {
      */
     private Long projectId;
 
+    /**
+     * 阶段编码
+     */
+    private String stageCode;
+
     /**
      * 任务主题
      */
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/vo/SysOaTaskVo.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/vo/SysOaTaskVo.java
index a13f38e..e417846 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/vo/SysOaTaskVo.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/vo/SysOaTaskVo.java
@@ -38,6 +38,11 @@ public class SysOaTaskVo {
     @ExcelProperty(value = "项目ID")
     private Long projectId;
 
+    /**
+     * 阶段编码
+     */
+    private String stageCode;
+
     /**
      * 任务主题
      */
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/SysOaTaskMapper.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/SysOaTaskMapper.java
index 479ab2e..ad9a8e2 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/SysOaTaskMapper.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/SysOaTaskMapper.java
@@ -11,6 +11,7 @@ import com.ruoyi.oa.domain.vo.SysOaTaskItemVo;
 import com.ruoyi.common.core.mapper.BaseMapperPlus;
 import org.apache.ibatis.annotations.Param;
 
+import org.apache.ibatis.annotations.Select;
 import java.util.Date;
 import java.util.List;
 
@@ -61,6 +62,12 @@ public interface SysOaTaskMapper extends BaseMapperPlus<SysOaTaskMapper, SysOaTa
      */
     List<SysOaTaskItemVo> selectTaskItemsByTaskId(Long taskId);
 
+    /**
+     * 按总包项目统计各阶段任务数
+     */
+    @Select("SELECT stage_code AS stageCode, COUNT(*) AS taskCount FROM sys_oa_task WHERE project_id = #{projectId} AND del_flag = 0 GROUP BY stage_code")
+    List<java.util.Map<String, Object>> countByRmProjectStage(@Param("projectId") Long projectId);
+
     /**
      * 绩效报告：按用户 + 时间范围查询任务明细（包含 task_item 子项）
      */
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/ISysOaTaskService.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/ISysOaTaskService.java
index 5373691..648aff4 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/ISysOaTaskService.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/ISysOaTaskService.java
@@ -128,4 +128,13 @@ public interface ISysOaTaskService {
      */
     List<SysOaTask> getTasksByNicknameAndProjectIds(String nickName, List<Long> projectIds, Date startTime,Date endTime);
 
+    /**
+     * 按总包项目+阶段查询任务
+     */
+    List<SysOaTaskVo> queryByRmProject(Long projectId, String stageCode);
+
+    /**
+     * 按总包项目统计各阶段任务数
+     */
+    List<java.util.Map<String, Object>> countByRmProjectStage(Long projectId);
 }
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaTaskServiceImpl.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaTaskServiceImpl.java
index f4197a1..e1b2573 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaTaskServiceImpl.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaTaskServiceImpl.java
@@ -159,6 +159,20 @@ public class SysOaTaskServiceImpl implements ISysOaTaskService {
         return baseMapper.queryListPlus(bo);
     }
 
+    @Override
+    public List<java.util.Map<String, Object>> countByRmProjectStage(Long projectId) {
+        return baseMapper.countByRmProjectStage(projectId);
+    }
+
+    @Override
+    public List<SysOaTaskVo> queryByRmProject(Long projectId, String stageCode) {
+        return baseMapper.selectVoList(
+            Wrappers.<SysOaTask>lambdaQuery()
+                .eq(SysOaTask::getProjectId, projectId)
+                .eq(stageCode != null, SysOaTask::getStageCode, stageCode)
+                .orderByAsc(SysOaTask::getCreateTime));
+    }
+
 
     private QueryWrapper<SysOaTask> buildQueryWrapper(SysOaTaskBo bo) {
         Map<String, Object> params = bo.getParams();