fix: 处理表单双向绑定失效问题

src/pages/events/banner/components/BannerFormModal.tsx

@@ -481,7 +481,15 @@ export default defineComponent({
               >
                 {/* ===== Banner 标题 ===== */}
                 <Form.Item label="Banner标题" name="title" rules={titleRules}>
-                  <Input placeholder="请输入标题" maxlength={TITLE_MAX} allowClear />
+                  <Input
+                    value={formData.title}
+                    onUpdate:value={(val: any) => {
+                      formData.title = val;
+                    }}
+                    placeholder="请输入标题"
+                    maxlength={TITLE_MAX}
+                    allowClear
+                  />
                 </Form.Item>
 
                 {/* ===== 上传图片（必填，带裁剪） ===== */}
@@ -537,13 +545,24 @@ export default defineComponent({
 
                 {/* ===== 跳转类型 ===== */}
                 <Form.Item label="跳转类型" name="type" rules={typeRules}>
-                  <Select options={JUMP_TYPE_OPTIONS as any} placeholder="请选择" />
+                  <Select
+                    value={formData.type}
+                    onUpdate:value={(val: any) => {
+                      formData.type = val;
+                    }}
+                    options={JUMP_TYPE_OPTIONS as any}
+                    placeholder="请选择"
+                  />
                 </Form.Item>
 
                 {/* ===== 联动字段：赛事详情页 → 模糊搜索关联赛事 ===== */}
                 {formData.type === '1' && (
                   <Form.Item label="关联赛事" name="relatedEventId">
                     <Select
+                      value={formData.relatedEventId}
+                      onUpdate:value={(val: any) => {
+                        formData.relatedEventId = val;
+                      }}
                       showSearch
                       filterOption={false}
                       allowClear={!eventSearchLoading.value}
@@ -563,14 +582,30 @@ export default defineComponent({
                 {/* ===== 联动字段：自定义链接 ===== */}
                 {formData.type === '2' && (
                   <Form.Item label="跳转地址" name="linkUrl" rules={linkUrlRules}>
-                    <Input placeholder="https://xxx" maxlength={URL_MAX} allowClear />
+                    <Input
+                      value={formData.linkUrl}
+                      onUpdate:value={(val: any) => {
+                        formData.linkUrl = val;
+                      }}
+                      placeholder="https://xxx"
+                      maxlength={URL_MAX}
+                      allowClear
+                    />
                   </Form.Item>
                 )}
 
                 {/* ===== 联动字段：小程序页面 ===== */}
                 {formData.type === '3' && (
                   <Form.Item label="小程序路径" name="linkUrl" rules={miniProgramPathRules}>
-                    <Input placeholder="/pages/index/index" maxlength={PATH_MAX} allowClear />
+                    <Input
+                      value={formData.linkUrl}
+                      onUpdate:value={(val: any) => {
+                        formData.linkUrl = val;
+                      }}
+                      placeholder="/pages/index/index"
+                      maxlength={PATH_MAX}
+                      allowClear
+                    />
                   </Form.Item>
                 )}
 
@@ -649,6 +684,10 @@ export default defineComponent({
                 {/* ===== 排序 ===== */}
                 <Form.Item label="排序" name="sort" rules={sortRules}>
                   <InputNumber
+                    value={formData.sort}
+                    onUpdate:value={(val: any) => {
+                      formData.sort = val;
+                    }}
                     placeholder="数字越小越靠前"
                     min={1}
                     max={999}