diff --git a/app/Http/Controllers/ProgramConstructController.php b/app/Http/Controllers/ProgramConstructController.php
index d191b62..db653cb 100644
--- a/app/Http/Controllers/ProgramConstructController.php
+++ b/app/Http/Controllers/ProgramConstructController.php
@@ -112,7 +112,6 @@ class ProgramConstructController extends BaseController
                 $video_pivot->video_bvid = $bvid;
                 $video_pivot->start_part = $match["part"];
                 $video_pivot->start_time = $time;
-                $video_pivot->stop_part = $match["part"];
                 $program->save();
                 $program->video_pivots()->save($video_pivot);
             }
diff --git a/app/Http/Controllers/ProgramVideoConstructController.php b/app/Http/Controllers/ProgramVideoConstructController.php
index d652893..9dc7201 100644
--- a/app/Http/Controllers/ProgramVideoConstructController.php
+++ b/app/Http/Controllers/ProgramVideoConstructController.php
@@ -32,7 +32,6 @@ class ProgramVideoConstructController extends BaseController
             "stop_part" => ["required", "int", "gte:start_part"],
             "start_time" => ["required", "date_format:H:i:s"],
             "stop_time" => ["required", "date_format:H:i:s"],
-            "created_at" => ["date"],
         ]);
         $program_video = new ProgramVideos();
         $createPayload = $request->only(["start_part", "start_time", "stop_part", "stop_time"]);
@@ -54,6 +53,7 @@ class ProgramVideoConstructController extends BaseController
             $program_video->created_at = $request->post("created_at");
         }
         $program->video_pivots()->save($program_video);
+        ProgramVideoUtil::fix_created_at_by_part_info($program_video->video_bvid);
         return redirect(route("program.construct.video.list", [
             "program"=>$program_video->program_id
         ]));
diff --git a/app/Models/VideoParts.php b/app/Models/VideoParts.php
index 72275ab..b9a46fb 100644
--- a/app/Models/VideoParts.php
+++ b/app/Models/VideoParts.php
@@ -6,6 +6,7 @@ use Illuminate\Database\Eloquent\Model;
 
 /**
  * @property \Carbon\Carbon $duration
+ * @property int $part_num
  */
 class VideoParts extends Model
 {
diff --git a/app/Util/ProgramVideoUtil.php b/app/Util/ProgramVideoUtil.php
index ac97aac..b12b0ce 100644
--- a/app/Util/ProgramVideoUtil.php
+++ b/app/Util/ProgramVideoUtil.php
@@ -80,10 +80,15 @@ class ProgramVideoUtil
                         $base_time,
                         $start_time->secondsSinceMidnight()
                     );
-                    if ($cur_part->duration->diffInMinutes($start_time) < 20) {
-                        $program_video->stop_part += 1;
-                        if ($program_video->stop_part > $video_parts->pluck("part_num")->max()) {
-                            $program_video->stop_part = $video_parts->pluck("part_num")->max();
+                    if (!$program_video->stop_part) {
+                        // 没有再去修复
+                        if ($cur_part->duration->diffInMinutes($start_time) < 20) {
+                            $program_video->stop_part = $cur_part->part_num + 1;
+                            if ($program_video->stop_part > $video_parts->pluck("part_num")->max()) {
+                                $program_video->stop_part = $video_parts->pluck("part_num")->max();
+                            }
+                        } else {
+                            $program_video->stop_part = $cur_part->part_num;
                         }
                     }
                     $program_video->save();
diff --git a/resources/views/program/construct/video/create.blade.php b/resources/views/program/construct/video/create.blade.php
index f90a1ba..cab7fab 100644
--- a/resources/views/program/construct/video/create.blade.php
+++ b/resources/views/program/construct/video/create.blade.php
@@ -28,10 +28,6 @@
         @endif
         <input class="form-input border-0 border-b-2 w-full" type="file" name="start_image">
     </label>
-    <label class="block my-2">
-        节目开打时间
-        <input class="form-input border-0 border-b-2 w-full" type="datetime-local" step="1" name="created_at" value="{{ old("created_at", $program_video->created_at) }}">
-    </label>
     <label class="block my-2">
         结束P数
         <input class="form-input border-0 border-b-2 w-full" type="number" name="stop_part" value="{{ old("stop_part", $program_video->stop_part) }}">
@@ -61,11 +57,6 @@
            href="https://www.bilibili.com/video/{{$program_video->video_bvid}}?p={{$program_video->stop_part}}&t={{$program_video->stop_sec}}"
            title="P{{$program_video->stop_part}}#{{$program_video->stop_time}}"
         >打开至结束位置</a>
-        @if($program_video->created_at)
-        <a class="px-6 py-2 inline-block rounded-full bg-cyan-600 text-white"
-           href="{{ url(route("program.construct.video.manual_fix_created_at.view", ["program_video" => $program_video->id])) }}"
-        >手动修复开打时间</a>
-        @endif
         @if($program_video->video->parts()->count() > 0)
         <a class="px-6 py-2 inline-block rounded-full bg-cyan-600 text-white"
            href="{{ url(route("program.construct.video.auto_fix_created_at", ["bvid" => $program_video->video_bvid])) }}"