diff --git a/src/pages/course/compenents/create.tsx b/src/pages/course/compenents/create.tsx
index 77adc61..10d1fee 100644
--- a/src/pages/course/compenents/create.tsx
+++ b/src/pages/course/compenents/create.tsx
@@ -357,6 +357,7 @@ export const CourseCreate: React.FC<PropInterface> = ({
               rules={[{ required: true, message: "请选择课程分类!" }]}
             >
               <Cascader
+                expandTrigger="hover"
                 style={{ width: 424 }}
                 options={categories}
                 changeOnSelect
diff --git a/src/pages/course/compenents/update.tsx b/src/pages/course/compenents/update.tsx
index a9e02ce..24738b7 100644
--- a/src/pages/course/compenents/update.tsx
+++ b/src/pages/course/compenents/update.tsx
@@ -216,6 +216,7 @@ export const CourseUpdate: React.FC<PropInterface> = ({
               rules={[{ required: true, message: "请选择课程分类!" }]}
             >
               <Cascader
+                expandTrigger="hover"
                 style={{ width: 424 }}
                 options={categories}
                 changeOnSelect