fix:修复点击空白区域popconfirm间距问题

src/modules/course-manage/video-course/AddVideoCourse.less

@@ -236,10 +236,22 @@
     justify-content: flex-end;
     justify-content: flex-end;
     padding-right: 72px;
     padding-right: 72px;
     background: #fff;
     background: #fff;
-    border-top: 1px solid #E8E8E8;
+    border-top: 1px solid #ccc2c2;
     z-index: 999;
     z-index: 999;
     .ant-btn {
     .ant-btn {
       margin-left: 10px;
       margin-left: 10px;
     }
     }
   }
   }
 }
 }
+
+.chapter-popover {
+  .ant-form-item {
+    margin-bottom: 0!important;
+  }
+  .ant-form-item-explain.ant-form-item-explain-error {
+    height: 24px;
+  }
+  .ant-form-item-explain {
+    min-height: 0;
+  }
+}
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