diff --git a/src/pages/course/compenents/create.tsx b/src/pages/course/compenents/create.tsx
index 231cc5e..654445f 100644
--- a/src/pages/course/compenents/create.tsx
+++ b/src/pages/course/compenents/create.tsx
@@ -462,7 +462,7 @@ export const CourseCreate: React.FC<PropInterface> = ({
               rules={[{ required: true, message: "请选择指派部门!" }]}
             >
               <Radio.Group onChange={getType}>
-                <Radio value="open">所有部门</Radio>
+                <Radio value="open">全部部门</Radio>
                 <Radio value="elective">选择部门</Radio>
               </Radio.Group>
             </Form.Item>
@@ -584,7 +584,7 @@ export const CourseCreate: React.FC<PropInterface> = ({
             </Form.Item>
             <Form.Item label="课程简介" name="short_desc">
               <Input.TextArea
-                style={{ width: 424, height: 80 }}
+                style={{ width: 424, height: 80, resize: "none" }}
                 allowClear
                 placeholder="请输入课程简介（最多200字）"
                 maxLength={200}
diff --git a/src/pages/course/compenents/update.tsx b/src/pages/course/compenents/update.tsx
index f09c120..274e7ce 100644
--- a/src/pages/course/compenents/update.tsx
+++ b/src/pages/course/compenents/update.tsx
@@ -218,7 +218,7 @@ export const CourseUpdate: React.FC<PropInterface> = ({
               rules={[{ required: true, message: "请选择指派部门!" }]}
             >
               <Radio.Group onChange={getType}>
-                <Radio value="open">所有部门</Radio>
+                <Radio value="open">全部部门</Radio>
                 <Radio value="elective">选择部门</Radio>
               </Radio.Group>
             </Form.Item>
@@ -340,7 +340,7 @@ export const CourseUpdate: React.FC<PropInterface> = ({
             </Form.Item>
             <Form.Item label="课程简介" name="short_desc">
               <Input.TextArea
-                style={{ width: 424, height: 80 }}
+                style={{ width: 424, height: 80, resize: "none" }}
                 allowClear
                 placeholder="请输入课程简介（最多200字）"
                 maxLength={200}
diff --git a/src/pages/dashboard/index.tsx b/src/pages/dashboard/index.tsx
index 2ed483f..3899fab 100644
--- a/src/pages/dashboard/index.tsx
+++ b/src/pages/dashboard/index.tsx
@@ -512,11 +512,11 @@ const DashboardPage = () => {
             </div>
           </div>
           <div className="playedu-main-top mt-24">
-            <div className={styles["large-title"]}>使用指南</div>
+            <div className={styles["large-title"]}>产品文档</div>
             <div className={styles["usage-guide"]}>
               <img className={styles["banner"]} src={banner} alt="" />
               <Link to="https://www.playedu.xyz/" className={styles["link"]}>
-                点击查看使用指南，快速玩转Playedu！
+                点击查看产品文档，快速玩转Playedu！
                 <img className={styles["icon"]} src={icon} alt="" />
               </Link>
             </div>