diff --git a/app/Http/Controllers/Api/ProjectController.php b/app/Http/Controllers/Api/ProjectController.php
index a524f9d45..2324bb260 100755
--- a/app/Http/Controllers/Api/ProjectController.php
+++ b/app/Http/Controllers/Api/ProjectController.php
@@ -1785,6 +1785,38 @@ class ProjectController extends AbstractController
         return Base::retSuccess('success', $data);
     }
 
+    /**
+     * @api {get} api/project/task/subdata          25. 获取子任务数据
+     *
+     * @apiDescription 需要token身份，相对one接口，这个只获取主任务的子任务数据
+     * @apiVersion 1.0.0
+     * @apiGroup project
+     * @apiName task__subdata
+     *
+     * @apiParam {Number} task_id            任务ID
+     *
+     * @apiSuccess {Number} ret     返回状态码（1正确、0错误）
+     * @apiSuccess {String} msg     返回信息（错误描述）
+     * @apiSuccess {Object} data    返回数据
+     */
+    public function task__subdata()
+    {
+        User::auth();
+        $task_id = intval(Request::input('task_id'));
+        if ($task_id <= 0) {
+            return Base::retError('参数错误', ['task_id' => $task_id]);
+        }
+        //
+        $task = ProjectTask::userTask($task_id);
+        //
+        return Base::retSuccess('success', [
+            'id' => $task->id,
+            'sub_num' => $task->sub_num,
+            'sub_complete' => $task->sub_complete,
+            'percent' => $task->percent,
+        ]);
+    }
+
     /**
      * @api {get} api/project/task/related          26. 获取任务关联任务列表
      *
diff --git a/resources/assets/js/store/actions.js b/resources/assets/js/store/actions.js
index 2dc787eee..4286e4b74 100644
--- a/resources/assets/js/store/actions.js
+++ b/resources/assets/js/store/actions.js
@@ -2157,6 +2157,32 @@ export default {
         });
     },
 
+    /**
+     * 获取任务的子任务数据
+     * @param state
+     * @param dispatch
+     * @param taskId
+     */
+    getTaskSubData({state, dispatch}, taskId) {
+        if (!taskId) {
+            return;
+        }
+        const parentTask = state.cacheTasks.find(({id}) => id == taskId);
+        if (!parentTask) {
+            return;
+        }
+        dispatch("call", {
+            url: 'project/task/subdata',
+            data: {
+                task_id: taskId
+            },
+        }).then(({data}) => {
+            dispatch("saveTask", Object.assign(parentTask, data))
+        }).catch(e => {
+            console.warn(e);
+        });
+    },
+
     /**
      * 获取Dashboard相关任务
      * @param state
@@ -2569,6 +2595,7 @@ export default {
             delete task.new_column
         }
         dispatch("saveTask", task)
+        dispatch("getTaskSubData", task.parent_id)
         dispatch("getProjectOne", task.project_id).catch(() => {})
     },
 
@@ -2592,6 +2619,7 @@ export default {
                     method: 'post',
                 }).then(result => {
                     dispatch("saveTask", result.data)
+                    dispatch("getTaskSubData", result.data.parent_id)
                     resolve(result)
                 }).catch(e => {
                     console.warn(e);