diff --git a/app/Http/Admin/Controllers/ChapterController.php b/app/Http/Admin/Controllers/ChapterController.php
index 9b0ff8e7..1c81ebbc 100644
--- a/app/Http/Admin/Controllers/ChapterController.php
+++ b/app/Http/Admin/Controllers/ChapterController.php
@@ -110,8 +110,6 @@ class ChapterController extends Controller
 
             $this->view->pick('chapter/edit_lesson');
 
-            $resources = $chapterService->getResources($chapter->id);
-
             $cos = $chapterService->getSettings('cos');
 
             $this->view->setVar('cos', $cos);
diff --git a/app/Http/Admin/Views/chapter/edit_lesson_vod.volt b/app/Http/Admin/Views/chapter/edit_lesson_vod.volt
index 95be1e74..6dceb8ef 100644
--- a/app/Http/Admin/Views/chapter/edit_lesson_vod.volt
+++ b/app/Http/Admin/Views/chapter/edit_lesson_vod.volt
@@ -1,3 +1,5 @@
+{% set file_id = vod ? vod.file_id : '' %}
+
 {% if play_urls %}
     <fieldset class="layui-elem-field layui-field-title">
         <legend>视频信息</legend>
@@ -51,7 +53,7 @@
     <div class="layui-form-item">
         <label class="layui-form-label">文件编号</label>
         <div class="layui-input-block">
-            <input class="layui-input" type="text" name="file_id" value="{{ vod.file_id }}" readonly="readonly" lay-verify="required">
+            <input class="layui-input" type="text" name="file_id" value="{{ file_id }}" readonly="readonly" lay-verify="required">
         </div>
     </div>
     <div class="layui-form-item">
diff --git a/app/Http/Admin/Views/course/edit_basic.volt b/app/Http/Admin/Views/course/edit_basic.volt
index e28afa78..bf0f5709 100644
--- a/app/Http/Admin/Views/course/edit_basic.volt
+++ b/app/Http/Admin/Views/course/edit_basic.volt
@@ -30,10 +30,10 @@
     <div class="layui-form-item">
         <label class="layui-form-label">难度</label>
         <div class="layui-input-block">
-            <input type="radio" name="level" value="1" title="入门" {% if course.level == '1' %}checked="checked"{% endif %}>
-            <input type="radio" name="level" value="2" title="初级" {% if course.level == '2' %}checked="checked"{% endif %}>
-            <input type="radio" name="level" value="3" title="中级" {% if course.level == '3' %}checked="checked"{% endif %}>
-            <input type="radio" name="level" value="4" title="高级" {% if course.level == '4' %}checked="checked"{% endif %}>
+            <input type="radio" name="level" value="1" title="入门" {% if course.level == 1 %}checked="checked"{% endif %}>
+            <input type="radio" name="level" value="2" title="初级" {% if course.level == 2 %}checked="checked"{% endif %}>
+            <input type="radio" name="level" value="3" title="中级" {% if course.level == 3 %}checked="checked"{% endif %}>
+            <input type="radio" name="level" value="4" title="高级" {% if course.level == 4 %}checked="checked"{% endif %}>
         </div>
     </div>
     <div class="layui-form-item">