移除Host头验证中间件及相关逻辑，简化OAuth相关API的请求处理，优化代码结构和可读性。

app/routes/rules-files.tsx

@@ -512,14 +512,13 @@ export default function RulesFiles() {
     try {
       setAttachmentUploading(true);
       const docId = parseInt(selectedDocumentId, 10);
-      const jwtToken = (frontendJWT as string | undefined) || (userInfo?.frontend_jwt as unknown as string | undefined);
       const result = await appendContractAttachments(
         docId,
         attachmentFiles,
         attachmentMergeMode,
         true,
         attachmentRemark || undefined,
-        jwtToken
+        frontendJWT as string | undefined
       );
       if (result.error) {
         throw new Error(result.error);
@@ -666,7 +665,7 @@ export default function RulesFiles() {
           >
             查看
           </Button>
-          {reviewType === 'contract' && file.status === 'Processed' && (
+          {file.fileTypeId === 1 && file.status === 'Processed' && (
             <button
               type="button"
               className="text-xs px-2 py-1 h-7 mr-1 bg-primary text-white hover:bg-primary-dark rounded"