diff --git a/src/views/flow/create.vue b/src/views/flow/create.vue
index 5607b6a..bb958d2 100644
--- a/src/views/flow/create.vue
+++ b/src/views/flow/create.vue
@@ -1260,7 +1260,7 @@
                     :href="getContractAttachmentUrl(contractDrawerDetail)"
                     target="_blank"
                   >
-                    {{ (contractDrawerDetail.attachment && contractDrawerDetail.attachment.original_name) || (contractDrawerDetail.attachment && contractDrawerDetail.attachment.name) || '查看附件' }}
+                    {{ getContractAttachmentName(contractDrawerDetail) }}
                   </el-link>
                 </template>
                 <span v-else>-</span>
@@ -2100,9 +2100,28 @@ export default {
       }
       return String(rawValue);
     },
+    getContractAttachment(detail) {
+      if (!detail) return null;
+      return detail.effective_attachment || detail.oa_inferred_attachment || detail.attachment || null;
+    },
+    getContractAttachmentName(detail) {
+      const att = this.getContractAttachment(detail);
+      return att?.original_name || att?.name || '查看附件';
+    },
     getContractAttachmentUrl(detail) {
-      const att = detail?.attachment;
-      return att?.url || att?.path || att?.file_url || att?.download_url || att?.preview_url || '';
+      const att = this.getContractAttachment(detail);
+      if (!att) return '';
+
+      const directUrl = att.url || att.path || att.file_url || att.download_url || att.preview_url;
+      if (directUrl) return directUrl;
+
+      if (!att.folder || !att.name) return '';
+
+      const configuredBase = process.env.VUE_APP_BASE_API || window.location.origin;
+      const baseUrl = configuredBase.replace(/\/$/, '').replace(/\/api\/?$/, '');
+      const folder = String(att.folder).replace(/^\/+|\/+$/g, '');
+      const name = encodeURIComponent(String(att.name));
+      return `${baseUrl}/${folder}/${name}`;
     },
     // 格式化日期时间
     formatDateTime(dateTime) {