diff --git a/module/common/model.php b/module/common/model.php
index b156a20753..57ac36ba67 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -2492,6 +2492,49 @@ class commonModel extends model
             }
         }
     }
+
+    /**
+     * Check operate effort.
+     *
+     * @param  object  $effort
+     * @access public
+     * @return bool
+     */
+    public function canOperateEffort(object $effort)
+    {
+        if($this->app->user->admin) return true;
+
+        if(empty((array)$effort)) return true;
+
+        $actor = $effort->account;
+
+        /* 如果是本人，可以直接修改。 */
+        if($actor == $this->app->user->account) return true;
+
+        /* 如果当前账户是项目负责人，则可以修改团队成员日志。*/
+        if(!empty($effort->project))
+        {
+            $PM = $this->dao->select('PM')->from(TABLE_PROJECT)->where('id')->eq($effort->project)->fetch('PM');
+            if($PM == $this->app->user->account) return true;
+        }
+
+        /* 如果当前账户是执行负责人，则可以修改团队成员日志。*/
+        if(!empty($effort->execution))
+        {
+            $PM = $this->dao->select('PM')->from(TABLE_PROJECT)->where('id')->eq($effort->execution)->fetch('PM');
+            if($PM == $this->app->user->account) return true;
+        }
+
+        /* 如果当前账户是上级部门(包括当前部门)负责人，则可以修改下属员工的日志。*/
+        $actorDeptPath = $this->dao->select('path')->from(TABLE_DEPT)->alias('t1')
+            ->leftJoin(TABLE_USER)->alias('t2')->on('t2.dept = t1.id')
+            ->where('t2.account')->eq($actor)
+            ->fetch('path');
+        $deptManagers = $this->dao->select('manager')->from(TABLE_DEPT)->where('id')->in(explode(',', trim($actorDeptPath, ',')))->fetchPairs();
+        if(in_array($this->app->user->account, $deptManagers)) return true;
+
+        return false;
+    }
 }
 
 class common extends commonModel
diff --git a/module/common/test/model/canoperateeffort.php b/module/common/test/model/canoperateeffort.php
new file mode 100755
index 0000000000..6b7ee6d181
--- /dev/null
+++ b/module/common/test/model/canoperateeffort.php
@@ -0,0 +1,92 @@
+#!/usr/bin/env php
+<?php
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+su('admin');
+
+zdTable('user')->gen(30);
+
+$project = zdTable('project');
+$project->id->range('1-5');
+$project->project->range('0');
+$project->name->prefix("项目")->range('1-5');
+$project->code->prefix("project")->range('1-5');
+$project->PM->range('admin,user1,user2,user3,user4');
+$project->model->range("scrum");
+$project->auth->range("[]");
+$project->path->range("[]");
+$project->type->range("project");
+$project->grade->range("1");
+$project->days->range("5");
+$project->status->range("wait");
+$project->desc->range("[]");
+$project->budget->range("100000,200000");
+$project->budgetUnit->range("CNY");
+$project->percent->range("0-0");
+$project->gen(5);
+
+$execution = zdTable('project');
+$execution->id->range('6-10');
+$execution->project->range('1-5');
+$execution->name->prefix("执行")->range('1-5');
+$execution->code->prefix("execution")->range('1-5');
+$execution->PM->range('user4,user5,user6,user7,user8');
+$execution->auth->range("[]");
+$execution->path->range("[]");
+$execution->type->range("sprint");
+$execution->grade->range("1");
+$execution->days->range("5");
+$execution->status->range("wait");
+$execution->desc->range("[]");
+$execution->gen(5, true, false);
+
+$dept = zdTable('dept')->config('dept');
+$dept->manager->range('admin,user1,user2,user3,user4');
+$dept->gen(50);
+
+/**
+
+title=commonModel->canOperateEffort();
+timeout=0
+cid=1
+
+*/
+
+global $tester;
+$tester->loadModel('common');
+
+$effort = new stdclass();
+$effort->account = 'admin';
+r($tester->common->canOperateEffort($effort)) && p() && e('1');  //判断当前用户是管理员
+
+unset($effort->account);
+r($tester->common->canOperateEffort($effort)) && p() && e('1');  //判断日志为空的情况
+
+su('user1');
+$effort->account = 'user2';
+r($tester->common->canOperateEffort($effort)) && p() && e('0');  //判断当前用户不是日志的记录者的情况
+
+$effort->account = 'user1';
+r($tester->common->canOperateEffort($effort)) && p() && e('1');  //判断当前用户是日志的记录者的情况
+
+$effort->project = 2;
+r($tester->common->canOperateEffort($effort)) && p() && e('1');  //判断当前用户是日志所属项目管理者的情况
+
+$effort->account = 'user4';
+$effort->project = 3;
+r($tester->common->canOperateEffort($effort)) && p() && e('0');  //判断当前用户不是日志所属项目管理者的情况
+
+su('user5');
+$effort->project   = 2;
+$effort->execution = 7;
+r($tester->common->canOperateEffort($effort)) && p() && e('1');  //判断当前用户是日志所属执行负责人的情况
+
+su('user6');
+r($tester->common->canOperateEffort($effort)) && p() && e('0');  //判断当前用户不是日志所属执行负责人的情况
+
+$effort->project   = 0;
+$effort->execution = 0;
+r($tester->common->canOperateEffort($effort)) && p() && e('0');  //判断当前用户不是部门负责人的情况
+
+su('user2');
+$effort->account = 'user23';
+r($tester->common->canOperateEffort($effort)) && p() && e('1');  //判断当前用户是部门负责人的情况
diff --git a/module/task/lang/de.php b/module/task/lang/de.php
index 7b791a3c2c..2bcbfb482e 100644
--- a/module/task/lang/de.php
+++ b/module/task/lang/de.php
@@ -177,6 +177,7 @@ $lang->task->teamMember        = 'Team Member';
 $lang->task->addMember         = 'Add Member';
 $lang->task->to                = 'To';
 $lang->task->suffixHour        = 'h';
+$lang->task->update            = 'Update';
 
 /* Fields of zt_taskestimate. */
 $lang->task->task    = 'Task';
@@ -277,6 +278,7 @@ $lang->task->createDenied              = "Aufgben erstellen it in diesem {$lang-
 $lang->task->cannotDeleteParent        = 'Cannot delete parent task';
 $lang->task->addChildTask              = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
 $lang->task->selectTestStoryTip        = "The following {$lang->SRCommon} will be subtasks of this task";
+$lang->task->effortOperateTips         = 'Only the project manager, the executive supervisor, and the department head have the authority to %s logs belonging to others.';
 
 $lang->task->error = new stdclass();
 $lang->task->error->totalNumber       = '"Total Cost" must be numbers.';
diff --git a/module/task/lang/en.php b/module/task/lang/en.php
index eaf5dbd307..3f03aea094 100755
--- a/module/task/lang/en.php
+++ b/module/task/lang/en.php
@@ -177,6 +177,7 @@ $lang->task->teamMember        = 'Team Member';
 $lang->task->addMember         = 'Add Member';
 $lang->task->to                = 'To';
 $lang->task->suffixHour        = 'h';
+$lang->task->update            = 'Update';
 
 /* Fields of zt_taskestimate. */
 $lang->task->task    = 'Task';
@@ -277,6 +278,7 @@ $lang->task->createDenied              = 'Create Task is denied in this ' . $lan
 $lang->task->cannotDeleteParent        = 'Cannot delete parent task';
 $lang->task->addChildTask              = 'Because the task has cost hours, ZenTao will create a child task with the same name to record the cost housrs to ensure data consistency.';
 $lang->task->selectTestStoryTip        = "The following {$lang->SRCommon} will be subtasks of this task";
+$lang->task->effortOperateTips         = 'Only the project manager, the executive supervisor, and the department head have the authority to %s logs belonging to others.';
 
 $lang->task->error = new stdclass();
 $lang->task->error->totalNumber       = '"Total Cost" must be numbers.';
diff --git a/module/task/lang/fr.php b/module/task/lang/fr.php
index 6f3454ad6f..0eaf8d9766 100644
--- a/module/task/lang/fr.php
+++ b/module/task/lang/fr.php
@@ -177,6 +177,7 @@ $lang->task->teamMember        = 'Team Member';
 $lang->task->addMember         = 'Add Member';
 $lang->task->to                = 'To';
 $lang->task->suffixHour        = 'h';
+$lang->task->update            = 'Update';
 
 /* Fields of zt_taskestimate. */
 $lang->task->task    = 'Task';
@@ -277,6 +278,7 @@ $lang->task->createDenied              = 'La création de tâches est interdite
 $lang->task->cannotDeleteParent        = 'Impossible de supprimer la tâche parente';
 $lang->task->addChildTask              = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
 $lang->task->selectTestStoryTip        = "The following {$lang->SRCommon} will be subtasks of this task";
+$lang->task->effortOperateTips         = 'Only the project manager, the executive supervisor, and the department head have the authority to %s logs belonging to others.';
 
 $lang->task->error = new stdclass();
 $lang->task->error->totalNumber       = '"Coût Total" doit être numérique.';
diff --git a/module/task/lang/zh-cn.php b/module/task/lang/zh-cn.php
index 243b2011e2..79db760334 100755
--- a/module/task/lang/zh-cn.php
+++ b/module/task/lang/zh-cn.php
@@ -177,6 +177,7 @@ $lang->task->teamMember        = '团队成员';
 $lang->task->addMember         = '添加成员';
 $lang->task->to                = '至';
 $lang->task->suffixHour        = 'h';
+$lang->task->update            = '更新';
 
 /* Fields of zt_taskestimate. */
 $lang->task->task    = '任务';
@@ -277,6 +278,7 @@ $lang->task->createDenied              = "你不能在该{$lang->projectCommon}
 $lang->task->cannotDeleteParent        = '不能删除父任务。';
 $lang->task->addChildTask              = '因该任务已经产生消耗，为保证数据一致性，我们会帮您创建一条同名子任务记录该消耗。';
 $lang->task->selectTestStoryTip        = "以下{$lang->SRCommon}将作为此任务的子任务";
+$lang->task->effortOperateTips         = '只有项目负责人、执行负责人、所属部门负责人才能%s他人日志。';
 
 $lang->task->error                    = new stdclass();
 $lang->task->error->totalNumber       = '"耗时"必须为数字';
diff --git a/module/task/model.php b/module/task/model.php
index 270fa134a2..3f9f7153bb 100755
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -667,7 +667,11 @@ class taskModel extends model
      */
     public function canOperateEffort(object $task, object $effort = null): bool
     {
-        if(empty($task->team)) return true;
+        if(empty($task->team))
+        {
+            if($effort === null) $effort = new stdclass();
+            return $this->loadModel('common')->canOperateEffort($effort);
+        }
 
         /* Check for add effort. */
         if(empty($effort))
diff --git a/module/task/ui/recordworkhour.html.php b/module/task/ui/recordworkhour.html.php
index 4740624a27..d4acdeac18 100644
--- a/module/task/ui/recordworkhour.html.php
+++ b/module/task/ui/recordworkhour.html.php
@@ -63,6 +63,8 @@ if($efforts)
         $effortRows = array();
         foreach($efforts as $effort)
         {
+            $canOperateEffort = $this->task->canOperateEffort($task, $effort);
+            $operateTips      = $canOperateEffort ? '' : $lang->task->effortOperateTips;
             $effortRows[] = h::tr
             (
                 h::td($effort->id),
@@ -77,6 +79,8 @@ if($efforts)
                     (
                         setClass('btn ghost toolbar-item square size-sm text-primary edit-effort'),
                         on::click()->call('loadModal', createLink('task', 'editEffort', "id={$effort->id}")),
+                        !$canOperateEffort ? set::disabled(true) : null,
+                        set::title($operateTips ? sprintf($operateTips, $lang->task->update) : ''),
                         icon('edit'),
                     ) : null,
                     common::hasPriv('task', 'deleteWorkhour') ? a
@@ -84,6 +88,8 @@ if($efforts)
                         setClass('btn ghost toolbar-item square size-sm ajax-submit text-primary'),
                         set('data-confirm', $lang->task->confirmDeleteEffort),
                         set::href(createLink('task', 'deleteWorkhour', "id={$effort->id}")),
+                        !$canOperateEffort ? set::disabled(true) : null,
+                        set::title($operateTips ? sprintf($operateTips, $lang->delete) : ''),
                         icon('trash')
                     ) : null
                 )