diff --git a/app/Models/ProjectTask.php b/app/Models/ProjectTask.php
index c10162f2b..300806b24 100644
--- a/app/Models/ProjectTask.php
+++ b/app/Models/ProjectTask.php
@@ -702,7 +702,7 @@ class ProjectTask extends AbstractModel
                 $this->start_at = null;
                 $this->end_at = null;
                 $times = $data['times'];
-                list($start, $end) = is_string($times) ? explode(",", $times) : (is_array($times) ? $times : []);
+                list($start, $end, $desc) = is_string($times) ? explode(",", $times) : (is_array($times) ? $times : []);
                 if (Base::isDate($start) && Base::isDate($end) && $start != $end) {
                     $start_at = Carbon::parse($start);
                     $end_at = Carbon::parse($end);
@@ -763,7 +763,7 @@ class ProjectTask extends AbstractModel
                     });
                 }
                 $newStringAt = $this->start_at ? ($this->start_at->toDateTimeString() . '~' . $this->end_at->toDateTimeString()) : '';
-                $this->addLog("修改{任务}时间", [
+                $this->addLog("修改{任务}时间" . ($desc ? "（备注：{$desc}）" : ""), [
                     'change' => [$oldStringAt, $newStringAt]
                 ]);
 
diff --git a/resources/assets/js/pages/manage/components/TaskDetail.vue b/resources/assets/js/pages/manage/components/TaskDetail.vue
index 9ed045505..c1c666c7d 100644
--- a/resources/assets/js/pages/manage/components/TaskDetail.vue
+++ b/resources/assets/js/pages/manage/components/TaskDetail.vue
@@ -922,7 +922,24 @@ export default {
                     break;
 
                 case 'times':
-                    this.$set(this.taskDetail, 'times', [params.start_at, params.end_at])
+                    if (this.taskDetail.start_at
+                        && (Math.abs($A.Time(this.taskDetail.start_at) - $A.Time(params.start_at)) > 60 || Math.abs($A.Time(this.taskDetail.end_at) - $A.Time(params.end_at)) > 60)
+                        && typeof params.desc === "undefined") {
+                        $A.modalInput({
+                            title: `修改任务时间`,
+                            placeholder: `请输入修改备注`,
+                            okText: "确定",
+                            onOk: (desc) => {
+                                if (!desc) {
+                                    return `请输入修改备注`
+                                }
+                                this.updateData("times", Object.assign(params, {desc}))
+                                return false
+                            },
+                        });
+                        return;
+                    }
+                    this.$set(this.taskDetail, 'times', [params.start_at, params.end_at, params.desc])
                     break;
 
                 case 'loop':