diff --git a/src/pages/course/compenents/create.tsx b/src/pages/course/compenents/create.tsx
index 46f0716..64a8fae 100644
--- a/src/pages/course/compenents/create.tsx
+++ b/src/pages/course/compenents/create.tsx
@@ -576,7 +576,8 @@ export const CourseCreate: React.FC<PropInterface> = ({
               <Input.TextArea
                 style={{ width: 424, height: 80 }}
                 allowClear
-                placeholder="请输入课程简介"
+                placeholder="请输入课程简介（最多200字）"
+                maxLength={200}
               />
             </Form.Item>
             <Form.Item
diff --git a/src/pages/course/compenents/update.tsx b/src/pages/course/compenents/update.tsx
index 432da2f..c82e1a2 100644
--- a/src/pages/course/compenents/update.tsx
+++ b/src/pages/course/compenents/update.tsx
@@ -382,7 +382,8 @@ export const CourseUpdate: React.FC<PropInterface> = ({
               <Input.TextArea
                 style={{ width: 424, height: 80 }}
                 allowClear
-                placeholder="请输入课程简介"
+                placeholder="请输入课程简介（最多200字）"
+                maxLength={200}
               />
             </Form.Item>
           </Form>