diff --git a/src/views/courselibrary/CoursewareManage.vue b/src/views/courselibrary/CoursewareManage.vue
index 735d5fd1..1d0ff559 100644
--- a/src/views/courselibrary/CoursewareManage.vue
+++ b/src/views/courselibrary/CoursewareManage.vue
@@ -140,7 +140,7 @@
                   v-model:value="xzinputV1"
                   v-model:validated="validated"
                   :id="offcourseId"
-                  :maxlength="20"
+                  :maxlength="50"
                   show-count
                   :type="2"
                 ></NameInput>