diff --git a/src/main/resources/mapper/TaskMapper.xml b/src/main/resources/mapper/TaskMapper.xml
index 4920d12..9f2ebe6 100644
--- a/src/main/resources/mapper/TaskMapper.xml
+++ b/src/main/resources/mapper/TaskMapper.xml
@@ -43,14 +43,19 @@
     </select>
     <select id="selectProjectProcessOfEveryone"
             resultType="cn.edu.hfut.rmdjzz.projectmanagement.entity.dto.TaskNumOfEveryoneDTO">
-        SELECT staff_fullname, completed_num
+        SELECT staff_fullname, IF(completed_num IS NULL, 0, completed_num) AS completed_num
         FROM (SELECT task_holder_id, SUM(IF(task_closed_time IS NULL, 0, 1)) AS completed_num
               FROM task
               WHERE !is_deleted
                 AND task_project_id = #{projectId}
                 AND task_id != 0
-              GROUP BY task_holder_id) AS T
-                 JOIN staff ON staff_id = T.task_holder_id;
+              GROUP BY task_holder_id) AS T1
+                 RIGHT JOIN (SELECT staff.staff_id, staff_fullname
+                             FROM project_group
+                                      JOIN staff ON staff.staff_id = project_group.staff_id
+                             WHERE project_id = #{projectId}) AS T2
+                            ON T1.task_holder_id = T2.staff_id
+
     </select>
     <select id="selectTaskClosedNum" resultType="cn.edu.hfut.rmdjzz.projectmanagement.entity.dto.TaskTrendDTO">
         SELECT closed_date AS task_date,