diff --git a/src/components/drawers/AddActive.vue b/src/components/drawers/AddActive.vue
index e35fabaa..a51d0cb4 100644
--- a/src/components/drawers/AddActive.vue
+++ b/src/components/drawers/AddActive.vue
@@ -208,7 +208,7 @@ const closeDrawer = () => {
 function timeChange(time, timeStr) {
   formData.value.activityStartTime = timeStr[0]
   formData.value.activityEndTime = timeStr[1]
-  formData.activityDuration || (formData.activityDuration = dayjs(timeStr[1]).diff(dayjs(timeStr(0)),'minute'))
+  formData.activityDuration || (formData.activityDuration = dayjs(timeStr[1]).diff(dayjs(timeStr[0]),'minute'))
 }
 
 const disabledDate = (current) => {
diff --git a/src/components/drawers/AddLive.vue b/src/components/drawers/AddLive.vue
index e9cfb512..de7334af 100644
--- a/src/components/drawers/AddLive.vue
+++ b/src/components/drawers/AddLive.vue
@@ -336,7 +336,7 @@ const closeDrawer = () => {
 function timeChange(time, timeStr) {
   formData.value.liveStartTime = timeStr[0];
   formData.value.liveEndTime = timeStr[1];
-  formData.liveDuration || (formData.liveDuration = dayjs(timeStr[1]).diff(dayjs(timeStr(0)),'minute'))
+  formData.liveDuration || (formData.liveDuration = dayjs(timeStr[1]).diff(dayjs(timeStr[0]),'minute'))
 }
 const disabledDate = (current) => {
   return current && current < dayjs().startOf("day");
diff --git a/src/components/drawers/AddOpenCourse.vue b/src/components/drawers/AddOpenCourse.vue
index 7c02bb97..3df99c86 100644
--- a/src/components/drawers/AddOpenCourse.vue
+++ b/src/components/drawers/AddOpenCourse.vue
@@ -527,7 +527,7 @@ const { validate } = Form.useForm(formData, formDataRule);
 function timeChange(time, timeStr) {
   formData.value.beginTime = timeStr[0];
   formData.value.endTime = timeStr[1];
-  formData.duration || (formData.duration = dayjs(timeStr[1]).diff(dayjs(timeStr(0)),'minute'))
+  formData.duration || (formData.duration = dayjs(timeStr[1]).diff(dayjs(timeStr[0]),'minute'))
 }
 
 function search() {
diff --git a/src/views/courselibrary/CoursewareManage.vue b/src/views/courselibrary/CoursewareManage.vue
index 42565a85..df8e3c16 100644
--- a/src/views/courselibrary/CoursewareManage.vue
+++ b/src/views/courselibrary/CoursewareManage.vue
@@ -2817,7 +2817,7 @@ export default defineComponent({
     });
 
     function timeChange(time, timeStr) {
-      state.duration || (state.duration = dayjs(timeStr[1]).diff(dayjs(timeStr(0)),'minute'))
+      state.duration || (state.duration = dayjs(timeStr[1]).diff(dayjs(timeStr[0]),'minute'))
     }
 
     function findClassFullName(list, classify, name = "") {
diff --git a/src/views/projectcenter/ProjectAdd.vue b/src/views/projectcenter/ProjectAdd.vue
index 5f5c07f2..406f6842 100644
--- a/src/views/projectcenter/ProjectAdd.vue
+++ b/src/views/projectcenter/ProjectAdd.vue
@@ -91,7 +91,7 @@
           <div class="in">
             <a-range-picker separator="至" :show-time="{ format: 'HH:mm' }"
                             :placeholder="['      开始时间', '        结束时间']"
-                            :disabledDate="disabledDate" v-model:value="timeRange" @calendarChange="calendarChange"
+                            v-model:value="timeRange" @calendarChange="calendarChange"
                             style="width: 100%; height: 40px; border-radius: 5px" :allowClear="false"
                             format="YYYY-MM-DD HH:mm"
                             valueFormat="YYYY-MM-DD HH:mm" @change="timeChange" :disabled="!!viewDetail"/>