diff --git a/src/compenents/upload-courseware-button/index.tsx b/src/compenents/upload-courseware-button/index.tsx
index 64435c0..741b1ae 100644
--- a/src/compenents/upload-courseware-button/index.tsx
+++ b/src/compenents/upload-courseware-button/index.tsx
@@ -189,10 +189,11 @@ export const UploadCoursewareButton = (props: PropsInterface) => {
                 <p className="ant-upload-drag-icon">
                   <InboxOutlined />
                 </p>
-                <p className="ant-upload-text">
-                  支持word、excel、ppt、pdf、zip、txt格式文件
+                <p className="ant-upload-text">请将文件拖拽到此处上传</p>
+                <p className="ant-upload-hint">
+                  支持一次上传多个 /
+                  支持word、excel、ppt、pdf、zip、rar、txt格式文件
                 </p>
-                <p className="ant-upload-hint">支持一次上传多个文件</p>
               </Dragger>
             </Col>
             <Col span={24}>
diff --git a/src/index.less b/src/index.less
index 090e205..e9f6e6d 100644
--- a/src/index.less
+++ b/src/index.less
@@ -594,8 +594,9 @@ textarea.ant-input {
 
 .list-select-column-box {
   .ant-checkbox-wrapper {
+    display: flex;
     height: 38px !important;
-    align-items: center !important;
+    align-items: center;
   }
 
   .video-title {
@@ -603,12 +604,10 @@ textarea.ant-input {
     white-space: nowrap;
     overflow: hidden;
     text-overflow: ellipsis;
-    line-height: 38px;
   }
   .video-time {
     width: 80px;
     display: flex;
-    line-height: 38px;
     flex-direction: row-reverse;
   }
 }