upload 1

frontend/src/components/competition/ProjectSubmission.jsx

@@ -202,10 +202,39 @@ const ProjectSubmission = ({ competitionId, initialValues, onCancel, onSuccess }
 
         <Form.Item
           name="cover_image_url"
-          label="封面图片链接"
-          rules={[{ type: 'url', message: '请输入有效的URL' }]}
+          label="封面图片"
+          extra="支持上传本地图片，自动转换为URL"
         >
-          <Input prefix={<LinkOutlined />} placeholder="https://example.com/image.jpg" />
+          {initialValues ? (
+            <Upload 
+              showUploadList={false}
+              accept="image/*"
+              beforeUpload={(file) => {
+                console.log('Cover image selected:', file.name);
+                const formData = new FormData();
+                formData.append('file', file);
+                
+                uploadProjectFile(formData)
+                  .then(res => {
+                    const imageUrl = res.data.file_url_display || res.data.file_url;
+                    form.setFieldsValue({ cover_image_url: imageUrl });
+                    message.success('封面上传成功');
+                  })
+                  .catch(err => {
+                    message.error(`上传失败: ${err.response?.data?.detail || err.message}`);
+                  });
+                
+                return Upload.LIST_IGNORE;
+              }}
+            >
+              <Button icon={<CloudUploadOutlined />}>选择图片</Button>
+            </Upload>
+          ) : null}
+          <Input 
+            placeholder="上传图片或输入URL" 
+            style={{ marginTop: 8 }}
+            onChange={(e) => form.setFieldsValue({ cover_image_url: e.target.value })}
+          />
         </Form.Item>
         
         {initialValues?.id && (