diff --git a/app/Http/Controllers/Api/ProjectController.php b/app/Http/Controllers/Api/ProjectController.php
index ce0b3f792..2e711360f 100755
--- a/app/Http/Controllers/Api/ProjectController.php
+++ b/app/Http/Controllers/Api/ProjectController.php
@@ -1467,6 +1467,7 @@ class ProjectController extends AbstractController
      * @apiParam {Number} task_id               任务ID
      * @apiParam {String} [name]                任务描述
      * @apiParam {Array} [times]                计划时间（格式：开始时间,结束时间；如：2020-01-01 00:00,2020-01-01 23:59）
+     * @apiParam {String} [loop]                重复周期，数字代表天数（子任务不支持）
      * @apiParam {Array} [owner]                修改负责人
      * @apiParam {String} [content]             任务详情（子任务不支持）
      * @apiParam {String} [color]               背景色（子任务不支持）
diff --git a/app/Http/Controllers/IndexController.php b/app/Http/Controllers/IndexController.php
index c516f2070..a9689a1e6 100755
--- a/app/Http/Controllers/IndexController.php
+++ b/app/Http/Controllers/IndexController.php
@@ -9,6 +9,7 @@ use App\Module\RandomColor;
 use App\Tasks\AutoArchivedTask;
 use App\Tasks\DeleteTmpTask;
 use App\Tasks\EmailNoticeTask;
+use App\Tasks\LoopTask;
 use Arr;
 use Cache;
 use Hhxsv5\LaravelS\Swoole\Task\Task;
@@ -191,6 +192,8 @@ class IndexController extends InvokeController
         // 删除过期的临时表数据
         Task::deliver(new DeleteTmpTask('wg_tmp_msgs', 1));
         Task::deliver(new DeleteTmpTask('tmp', 24));
+        // 周期任务
+        Task::deliver(new LoopTask());
 
         return "success";
     }
diff --git a/app/Models/ProjectTask.php b/app/Models/ProjectTask.php
index 592e4d7f4..987ad0936 100644
--- a/app/Models/ProjectTask.php
+++ b/app/Models/ProjectTask.php
@@ -36,6 +36,8 @@ use Request;
  * @property string|null $p_name 优先级名称
  * @property string|null $p_color 优先级颜色
  * @property int|null $sort 排序(ASC)
+ * @property string|null $loop 重复周期
+ * @property string|null $loop_at 下一次重复时间
  * @property \Illuminate\Support\Carbon|null $created_at
  * @property \Illuminate\Support\Carbon|null $updated_at
  * @property \Illuminate\Support\Carbon|null $deleted_at
@@ -78,6 +80,8 @@ use Request;
  * @method static \Illuminate\Database\Eloquent\Builder|ProjectTask whereFlowItemId($value)
  * @method static \Illuminate\Database\Eloquent\Builder|ProjectTask whereFlowItemName($value)
  * @method static \Illuminate\Database\Eloquent\Builder|ProjectTask whereId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectTask whereLoop($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectTask whereLoopAt($value)
  * @method static \Illuminate\Database\Eloquent\Builder|ProjectTask whereName($value)
  * @method static \Illuminate\Database\Eloquent\Builder|ProjectTask wherePColor($value)
  * @method static \Illuminate\Database\Eloquent\Builder|ProjectTask wherePLevel($value)
@@ -760,11 +764,21 @@ class ProjectTask extends AbstractModel
                     'change' => [$oldStringAt, $newStringAt]
                 ]);
 
-                //修改计划时间需要重置任务邮件提醒日志
+                // 修改计划时间需要重置任务邮件提醒日志
                 ProjectTaskMailLog::whereTaskId($this->id)->delete();
             }
             // 以下紧顶级任务可修改
             if ($this->parent_id === 0) {
+                // 重复周期
+                if (Arr::exists($data, 'loop')) {
+                    $this->loop = $data['loop'];
+                    if (!$this->refreshLoop()) {
+                        throw new ApiException('重复周期选择错误');
+                    }
+                } elseif (Arr::exists($data, 'times')) {
+                    // 更新任务时间也要更新重复周期
+                    $this->refreshLoop();
+                }
                 // 协助人员
                 if (Arr::exists($data, 'assist')) {
                     $array = [];
@@ -858,6 +872,105 @@ class ProjectTask extends AbstractModel
         return true;
     }
 
+    /**
+     * 刷新重复周期时间
+     * @param bool $save 是否执行保存
+     * @return bool
+     */
+    public function refreshLoop($save = false)
+    {
+        if (!$this->start_at) {
+            return false;
+        }
+        //
+        $success = true;
+        $start = Carbon::parse($this->start_at);
+        if ($start->lt(Carbon::today())) {
+            // 如果任务开始时间小于今天则重复周期开始时间为今天
+            $start = Carbon::parse(date("Y-m-d {$start->toTimeString()}"));
+        }
+        switch ($this->loop) {
+            case "day":
+                $this->loop_at = $start->addDay();
+                break;
+            case "weekdays":
+                $this->loop_at = $start->addWeekday();
+                break;
+            case "week":
+                $this->loop_at = $start->addWeek();
+                break;
+            case "twoweeks":
+                $this->loop_at = $start->addWeeks(2);
+                break;
+            case "month":
+                $this->loop_at = $start->addMonth();
+                break;
+            case "year":
+                $this->loop_at = $start->addYear();
+                break;
+            case "never":
+                $this->loop_at = null;
+                break;
+            default:
+                if (Base::isNumber($this->loop)) {
+                    $this->loop_at = $start->addDays($this->loop);
+                } else {
+                    $success = false;
+                }
+                break;
+        }
+        if ($success && $save) {
+            $this->save();
+        }
+        return $success;
+    }
+
+    /**
+     * 复制任务
+     * @return self
+     */
+    public function copyTask()
+    {
+        if ($this->parent_id > 0) {
+            throw new ApiException('子任务禁止复制');
+        }
+        return AbstractModel::transaction(function() {
+            // 复制任务
+            $task = $this->replicate();
+            $task->dialog_id = 0;
+            $task->archived_at = null;
+            $task->archived_userid = 0;
+            $task->archived_follow = 0;
+            $task->complete_at = null;
+            $task->created_at = Carbon::now();
+            $task->save();
+            // 复制任务内容
+            if ($this->content) {
+                $tmp = $this->content->replicate();
+                $tmp->task_id = $task->id;
+                $tmp->created_at = Carbon::now();
+                $tmp->save();
+            }
+            // 复制任务附件
+            foreach ($this->taskFile as $taskFile) {
+                $tmp = $taskFile->replicate();
+                $tmp->task_id = $task->id;
+                $tmp->created_at = Carbon::now();
+                $tmp->save();
+            }
+            // 复制任务成员
+            foreach ($this->taskUser as $taskUser) {
+                $tmp = $taskUser->replicate();
+                $tmp->task_id = $task->id;
+                $tmp->task_pid = $task->id;
+                $tmp->created_at = Carbon::now();
+                $tmp->save();
+            }
+            //
+            return $task;
+        });
+    }
+
     /**
      * 同步项目成员至聊天室
      */
diff --git a/app/Tasks/LoopTask.php b/app/Tasks/LoopTask.php
new file mode 100644
index 000000000..4c55f5eb6
--- /dev/null
+++ b/app/Tasks/LoopTask.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Tasks;
+
+use App\Models\ProjectTask;
+use Carbon\Carbon;
+
+@error_reporting(E_ALL & ~E_NOTICE & ~E_WARNING);
+
+
+/**
+ * 任务重复周期
+ */
+class LoopTask extends AbstractTask
+{
+    public function __construct()
+    {
+
+    }
+
+    public function start()
+    {
+        ProjectTask::whereBetween('loop_at', [
+            Carbon::now()->subMinutes(10),
+            Carbon::now()
+        ])->chunkById(100, function ($list) {
+            /** @var ProjectTask $item */
+            foreach ($list as $item) {
+                try {
+                    $task = $item->copyTask();
+                    if ($item->start_at) {
+                        $diffSecond = Carbon::parse($item->start_at)->diffInSeconds(Carbon::parse($item->end_at), true);
+                        $task->start_at = Carbon::parse($item->loop_at);
+                        $task->end_at = $task->start_at->addSeconds($diffSecond);
+                    }
+                    $task->refreshLoop(true);
+                    $task->addLog("创建任务来自周期任务ID：" . $item->id, [], $item->userid);
+                    //
+                    $item->loop = '';
+                    $item->loop_at = null;
+                    $item->save();
+                } catch (\Throwable $e) {
+                    $item->addLog("生成重复任务失败：" . $e->getMessage(), [], $item->userid);
+                }
+            }
+        });
+    }
+}
diff --git a/database/migrations/2022_06_24_115034_add_project_tasks_loop_loop_at.php b/database/migrations/2022_06_24_115034_add_project_tasks_loop_loop_at.php
new file mode 100644
index 000000000..a04cae338
--- /dev/null
+++ b/database/migrations/2022_06_24_115034_add_project_tasks_loop_loop_at.php
@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddProjectTasksLoopLoopAt extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('project_tasks', function (Blueprint $table) {
+            if (!Schema::hasColumn('project_tasks', 'loop')) {
+                $table->timestamp('loop_at')->nullable()->after('sort')->comment('下一次重复时间');
+                $table->string('loop', 20)->nullable()->default('')->after('sort')->comment('重复周期');
+            }
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('project_tasks', function (Blueprint $table) {
+            $table->dropColumn("loop_at");
+            $table->dropColumn("loop");
+        });
+    }
+}
diff --git a/public/css/fonts/taskfont.ttf b/public/css/fonts/taskfont.ttf
index e17bde5e0..c29b5f9cc 100644
Binary files a/public/css/fonts/taskfont.ttf and b/public/css/fonts/taskfont.ttf differ
diff --git a/public/css/fonts/taskfont.woff b/public/css/fonts/taskfont.woff
index 8f621aceb..8719ce888 100644
Binary files a/public/css/fonts/taskfont.woff and b/public/css/fonts/taskfont.woff differ
diff --git a/public/css/fonts/taskfont.woff2 b/public/css/fonts/taskfont.woff2
index 028678d6e..7c2672fb9 100644
Binary files a/public/css/fonts/taskfont.woff2 and b/public/css/fonts/taskfont.woff2 differ
diff --git a/resources/assets/js/pages/manage/components/TaskDetail.vue b/resources/assets/js/pages/manage/components/TaskDetail.vue
index 7e4a2fe5a..6cacfbb2f 100644
--- a/resources/assets/js/pages/manage/components/TaskDetail.vue
+++ b/resources/assets/js/pages/manage/components/TaskDetail.vue
@@ -275,6 +275,29 @@
                             </li>
                         </ul>
                     </FormItem>
+                    <FormItem v-if="(taskDetail.loop && taskDetail.loop != 'never') || loopForce">
+                        <div class="item-label" slot="label">
+                            <i class="taskfont">&#xe68c;</i>{{$L('重复周期')}}
+                        </div>
+                        <ul class="item-content">
+                            <li>
+                                <EDropdown
+                                    ref="loop"
+                                    trigger="click"
+                                    placement="bottom"
+                                    @command="updateData('loop', $event)">
+                                    <ETooltip :disabled="windowSmall || !taskDetail.loop_at" :content="`${$L('下个周期')}: ${taskDetail.loop_at}`" placement="right">
+                                        <span>{{$L(loopLabel(taskDetail.loop))}}</span>
+                                    </ETooltip>
+                                    <EDropdownMenu slot="dropdown" class="task-detail-loop">
+                                        <EDropdownItem v-for="item in loops" :key="item.key" :command="item.key">
+                                            {{$L(item.label)}}
+                                        </EDropdownItem>
+                                    </EDropdownMenu>
+                                </EDropdown>
+                            </li>
+                        </ul>
+                    </FormItem>
                     <FormItem v-if="fileList.length > 0">
                         <div class="item-label" slot="label">
                             <i class="taskfont">&#xe6e6;</i>{{$L('附件')}}
@@ -490,6 +513,8 @@ export default {
             timeValue: [],
             timeOptions: {shortcuts:$A.timeOptionShortcuts()},
 
+            loopForce: false,
+
             nowTime: $A.Time(),
             nowInterval: null,
 
@@ -527,6 +552,17 @@ export default {
             dialogDrag: false,
             imageAttachment: true,
             receiveTaskSubscribe: null,
+
+            loops: [
+                {key: 'never', label: '从不'},
+                {key: 'day', label: '每天'},
+                {key: 'weekdays', label: '每个工作日'},
+                {key: 'week', label: '每周'},
+                {key: 'twoweeks', label: '每两周'},
+                {key: 'month', label: '每月'},
+                {key: 'year', label: '每年'},
+                {key: 'custom', label: '自定义'},
+            ]
         }
     },
 
@@ -711,6 +747,13 @@ export default {
                     name: '截止时间',
                 });
             }
+            if (!taskDetail.loop || taskDetail.loop == 'never') {
+                list.push({
+                    command: 'loop',
+                    icon: '&#xe68c;',
+                    name: '重复周期',
+                });
+            }
             if (this.fileList.length == 0) {
                 list.push({
                     command: 'file',
@@ -751,6 +794,7 @@ export default {
                     }
                     this.timeOpen = false;
                     this.timeForce = false;
+                    this.loopForce = false;
                     this.assistForce = false;
                     this.addsubForce = false;
                     this.receiveShow = false;
@@ -784,6 +828,14 @@ export default {
             return $A.Date(taskDetail.end_at, true) < this.nowTime;
         },
 
+        loopLabel(loop) {
+            const item = this.loops.find(item => item.key === loop)
+            if (item) {
+                return item.label
+            }
+            return loop ? `每${loop}天` : '从不'
+        },
+
         onNameKeydown(e) {
             if (e.keyCode === 13) {
                 if (!e.shiftKey) {
@@ -850,6 +902,14 @@ export default {
                     this.$set(this.taskDetail, 'times', [params.start_at, params.end_at])
                     break;
 
+                case 'loop':
+                    if (params === 'custom') {
+                        this.customLoop()
+                        return;
+                    }
+                    this.$set(this.taskDetail, 'loop', params)
+                    break;
+
                 case 'content':
                     const content = this.$refs.desc.getContent();
                     if (content == this.taskContent) {
@@ -883,6 +943,51 @@ export default {
             })
         },
 
+        customLoop() {
+            let value = this.taskDetail.loop || 1
+            $A.Modal.confirm({
+                render: (h) => {
+                    return h('div', [
+                        h('div', {
+                            style: {
+                                fontSize: '16px',
+                                fontWeight: '500',
+                                marginBottom: '20px',
+                            }
+                        }, this.$L('重复周期')),
+                        h('Input', {
+                            style: {
+                                width: '160px',
+                                margin: '0 auto',
+                            },
+                            props: {
+                                type: 'number',
+                                value,
+                                maxlength: 3
+                            },
+                            on: {
+                                input: (val) => {
+                                    value = $.runNum(val)
+                                }
+                            }
+                        }, [
+                            h('span', {slot: 'prepend'}, this.$L('每')),
+                            h('span', {slot: 'append'}, this.$L('天'))
+                        ])
+                    ])
+                },
+                onOk: _ => {
+                    this.$Modal.remove()
+                    if (value > 0) {
+                        this.updateData('loop', value)
+                    }
+                },
+                loading: true,
+                okText: this.$L('确定'),
+                cancelText: this.$L('取消'),
+            });
+        },
+
         openOwner() {
             const list = this.getOwner.map(({userid}) => userid)
             this.$set(this.taskDetail, 'owner_userid', list)
@@ -1070,6 +1175,13 @@ export default {
                     })
                     break;
 
+                case 'loop':
+                    this.loopForce = true;
+                    this.$nextTick(() => {
+                        this.$refs.loop.show();
+                    })
+                    break;
+
                 case 'file':
                     this.onUploadClick(true)
                     break;
diff --git a/resources/assets/sass/pages/components/task-detail.scss b/resources/assets/sass/pages/components/task-detail.scss
index e265a5110..b31825f7a 100644
--- a/resources/assets/sass/pages/components/task-detail.scss
+++ b/resources/assets/sass/pages/components/task-detail.scss
@@ -825,6 +825,12 @@
     }
 }
 
+.task-detail-loop {
+    > li {
+        text-align: center;
+    }
+}
+
 @media (max-width: 768px) {
     .task-detail {
         .task-info {
diff --git a/resources/assets/statics/public/css/fonts/taskfont.ttf b/resources/assets/statics/public/css/fonts/taskfont.ttf
index e17bde5e0..c29b5f9cc 100644
Binary files a/resources/assets/statics/public/css/fonts/taskfont.ttf and b/resources/assets/statics/public/css/fonts/taskfont.ttf differ
diff --git a/resources/assets/statics/public/css/fonts/taskfont.woff b/resources/assets/statics/public/css/fonts/taskfont.woff
index 8f621aceb..8719ce888 100644
Binary files a/resources/assets/statics/public/css/fonts/taskfont.woff and b/resources/assets/statics/public/css/fonts/taskfont.woff differ
diff --git a/resources/assets/statics/public/css/fonts/taskfont.woff2 b/resources/assets/statics/public/css/fonts/taskfont.woff2
index 028678d6e..7c2672fb9 100644
Binary files a/resources/assets/statics/public/css/fonts/taskfont.woff2 and b/resources/assets/statics/public/css/fonts/taskfont.woff2 differ