diff --git a/app/Http/Controllers/ProgramConstructController.php b/app/Http/Controllers/ProgramConstructController.php
index ce73735..33225b7 100644
--- a/app/Http/Controllers/ProgramConstructController.php
+++ b/app/Http/Controllers/ProgramConstructController.php
@@ -63,11 +63,15 @@ class ProgramConstructController extends BaseController
                 "message" => "该BVID下已有{$count}个节目关联，请手动添加",
             ]);
         }
-        $regex = "/^p(?P<part>\d{1,2})[-# _:,)]+(?P<time>(0?1[:：])?(\d{1,3}[:：])\d{1,2})?[ :]?(?P<content>.+)$/i";
-        foreach (explode("\n", $content) as $line) {
-            $match = [];
-            $match_count = preg_match($regex, $line, $match);
-            if ($match_count > 0) {
+        $regex = "/^p(?P<part>\d{1,2})[-# _:,)]+(?P<time>(0?1[:：])?\d{1,3}[:：]\d{1,2}) ?(?P<content>.+)$/ui";
+        DB::beginTransaction();
+        try {
+            foreach (explode("\n", $content) as $line) {
+                $match = [];
+                $match_count = preg_match($regex, $line, $match);
+                if ($match_count === 0) {
+                    continue;
+                }
                 $time = $match["time"];
                 $time = str_replace("：", ":", $time);
                 while (substr_count($time, ":") < 2) {
@@ -83,6 +87,12 @@ class ProgramConstructController extends BaseController
                 $program->save();
                 $program->video_pivots()->save($video_pivot);
             }
+            DB::commit();
+        } catch (QueryException $e) {
+            DB::rollBack();
+            return back()->withInput()->withErrors([
+                "content" => $e->getMessage()
+            ]);
         }
         return redirect(route("program.construct.list"));
     }