diff --git a/src/views/courselibrary/CoursewareManage.vue b/src/views/courselibrary/CoursewareManage.vue
index 85747eed..735d5fd1 100644
--- a/src/views/courselibrary/CoursewareManage.vue
+++ b/src/views/courselibrary/CoursewareManage.vue
@@ -4089,6 +4089,7 @@ function onFocusEnd(){
           state.addLoading = false;
         })
         .catch((err) => {
+          handleSearchTable();
           message.destroy()
           message.error(err.data.msg)
           state.addLoading = false;
diff --git a/src/views/lecturer/ExternalLecturer.vue b/src/views/lecturer/ExternalLecturer.vue
index 67f69410..d93ed152 100644
--- a/src/views/lecturer/ExternalLecturer.vue
+++ b/src/views/lecturer/ExternalLecturer.vue
@@ -155,7 +155,15 @@
               </a-form-item>
             </a-col>
           <a-col :span="24">
-            <a-form-item label="初始授课时长" name="defaultTeachingTime">
+            <a-form-item name="defaultTeachingTime">
+                <template v-slot:label>
+                  <img
+                    style="margin-right:4px;width: 7px;height: 7px"
+                    src="@/assets/images/coursewareManage/asterisk.png"
+                    alt=""
+                  />
+                  初始授课时长
+                </template>
                 <a-input v-model:value="formParam.defaultTeachingTime" style="width:100%; height: 40px; border-radius: 8px ; "
                   placeholder="0" allowClear showSearch suffix="分钟" @blur="clearNonNumber" @focus="focusTeaching">
                 </a-input>