diff --git a/app/Models/ProjectTask.php b/app/Models/ProjectTask.php
index 987ad0936..1d1f1518b 100644
--- a/app/Models/ProjectTask.php
+++ b/app/Models/ProjectTask.php
@@ -879,41 +879,42 @@ class ProjectTask extends AbstractModel
      */
     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()}"));
+        if ($this->start_at) {
+            $base = Carbon::parse($this->start_at);
+            if ($base->lt(Carbon::today())) {
+                // 如果任务开始时间小于今天则基数时间为今天
+                $base = Carbon::parse(date("Y-m-d {$base->toTimeString()}"));
+            }
+        } else {
+            // 未设置任务时间时基数时间为今天
+            $base = Carbon::today();
         }
         switch ($this->loop) {
             case "day":
-                $this->loop_at = $start->addDay();
+                $this->loop_at = $base->addDay();
                 break;
             case "weekdays":
-                $this->loop_at = $start->addWeekday();
+                $this->loop_at = $base->addWeekday();
                 break;
             case "week":
-                $this->loop_at = $start->addWeek();
+                $this->loop_at = $base->addWeek();
                 break;
             case "twoweeks":
-                $this->loop_at = $start->addWeeks(2);
+                $this->loop_at = $base->addWeeks(2);
                 break;
             case "month":
-                $this->loop_at = $start->addMonth();
+                $this->loop_at = $base->addMonth();
                 break;
             case "year":
-                $this->loop_at = $start->addYear();
+                $this->loop_at = $base->addYear();
                 break;
             case "never":
                 $this->loop_at = null;
                 break;
             default:
                 if (Base::isNumber($this->loop)) {
-                    $this->loop_at = $start->addDays($this->loop);
+                    $this->loop_at = $base->addDays($this->loop);
                 } else {
                     $success = false;
                 }
diff --git a/public/css/fonts/taskfont.ttf b/public/css/fonts/taskfont.ttf
index c29b5f9cc..31f323783 100644
Binary files a/public/css/fonts/taskfont.ttf and b/public/css/fonts/taskfont.ttf differ
diff --git a/public/css/fonts/taskfont.woff b/public/css/fonts/taskfont.woff
index 8719ce888..8032f7de3 100644
Binary files a/public/css/fonts/taskfont.woff and b/public/css/fonts/taskfont.woff differ
diff --git a/public/css/fonts/taskfont.woff2 b/public/css/fonts/taskfont.woff2
index 7c2672fb9..20f1a2941 100644
Binary files a/public/css/fonts/taskfont.woff2 and b/public/css/fonts/taskfont.woff2 differ
diff --git a/resources/assets/js/pages/manage/components/TaskDetail.vue b/resources/assets/js/pages/manage/components/TaskDetail.vue
index 6cacfbb2f..b868369b7 100644
--- a/resources/assets/js/pages/manage/components/TaskDetail.vue
+++ b/resources/assets/js/pages/manage/components/TaskDetail.vue
@@ -277,7 +277,7 @@
                     </FormItem>
                     <FormItem v-if="(taskDetail.loop && taskDetail.loop != 'never') || loopForce">
                         <div class="item-label" slot="label">
-                            <i class="taskfont">&#xe68c;</i>{{$L('重复周期')}}
+                            <i class="taskfont">&#xe93f;</i>{{$L('重复周期')}}
                         </div>
                         <ul class="item-content">
                             <li>
@@ -750,7 +750,7 @@ export default {
             if (!taskDetail.loop || taskDetail.loop == 'never') {
                 list.push({
                     command: 'loop',
-                    icon: '&#xe68c;',
+                    icon: '&#xe93f;',
                     name: '重复周期',
                 });
             }
diff --git a/resources/assets/statics/public/css/fonts/taskfont.ttf b/resources/assets/statics/public/css/fonts/taskfont.ttf
index c29b5f9cc..31f323783 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 8719ce888..8032f7de3 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 7c2672fb9..20f1a2941 100644
Binary files a/resources/assets/statics/public/css/fonts/taskfont.woff2 and b/resources/assets/statics/public/css/fonts/taskfont.woff2 differ