diff --git a/src/pages/events/list/components/EventDetailModal.tsx b/src/pages/events/list/components/EventDetailModal.tsx
index 57fedca..83ebc9b 100644
--- a/src/pages/events/list/components/EventDetailModal.tsx
+++ b/src/pages/events/list/components/EventDetailModal.tsx
@@ -162,6 +162,12 @@ export default defineComponent({
       }
     };
 
+    /** 显示报名起止时间 */
+    const signupTimeDisplay = (startTime?: string, endTime?: string) => {
+      if (!startTime || !endTime) return '--';
+      return `${startTime} 至 ${endTime}`;
+    };
+
     // 弹窗打开且 有 record.id 时自动请求（useEffect 带 immediate: true，兼容 destroyOnClose 重建场景）
     useEffect(() => {
       if (props.visible && props.record?.id) {
@@ -200,7 +206,7 @@ export default defineComponent({
                 </Descriptions.Item>
 
                 <Descriptions.Item label="报名起止时间" span={3}>
-                  {detail.value.signupTimeBegin} 至 {detail.value.signupTimeEnd}
+                  {signupTimeDisplay(detail.value.signupTimeBegin, detail.value.signupTimeEnd)}
                 </Descriptions.Item>
 
                 <Descriptions.Item label="省市区">{detail.value.venueArea}</Descriptions.Item>
@@ -276,7 +282,7 @@ export default defineComponent({
                       size="small"
                       pagination={false}
                       bordered
-                      scroll={{ x: 'max-content', y: 200 }}
+                      scroll={{ x: 'max-content' }}
                     />
                     {categoryPlayerTotal.value[cat.id] > 0 && (
                       <div class={styles.paginationRow}>