diff --git a/lib/generated_plugin_registrant.dart b/lib/generated_plugin_registrant.dart
index 222a4e7a..a8fa733e 100644
--- a/lib/generated_plugin_registrant.dart
+++ b/lib/generated_plugin_registrant.dart
@@ -9,6 +9,7 @@ import 'package:firebase_core_web/firebase_core_web.dart';
 import 'package:image_picker_for_web/image_picker_for_web.dart';
 import 'package:package_info_plus_web/package_info_plus_web.dart';
 import 'package:shared_preferences_web/shared_preferences_web.dart';
+import 'package:syncfusion_flutter_pdfviewer_web/pdfviewer_web.dart';
 import 'package:url_launcher_web/url_launcher_web.dart';
 
 import 'package:flutter_web_plugins/flutter_web_plugins.dart';
@@ -20,6 +21,7 @@ void registerPlugins(Registrar registrar) {
   ImagePickerPlugin.registerWith(registrar);
   PackageInfoPlugin.registerWith(registrar);
   SharedPreferencesPlugin.registerWith(registrar);
+  SyncfusionFlutterPdfViewerPlugin.registerWith(registrar);
   UrlLauncherPlugin.registerWith(registrar);
   registrar.registerMessageHandler();
 }
diff --git a/lib/ui/profile/house/contract_preview_page.dart b/lib/ui/profile/house/contract_preview_page.dart
index 736636fc..62772cd6 100644
--- a/lib/ui/profile/house/contract_preview_page.dart
+++ b/lib/ui/profile/house/contract_preview_page.dart
@@ -2,7 +2,6 @@ import 'dart:io';
 import 'dart:typed_data';
 
 import 'package:aku_community/base/base_style.dart';
-import 'package:aku_community/const/resource.dart';
 import 'package:aku_community/constants/api.dart';
 import 'package:aku_community/ui/profile/house/download_contract_page.dart';
 import 'package:aku_community/ui/profile/house/house_func.dart';
@@ -15,6 +14,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
 import 'package:power_logger/power_logger.dart';
+import 'package:syncfusion_flutter_pdfviewer/pdfviewer.dart';
 import 'package:velocity_x/velocity_x.dart';
 
 class ContractPreviewPage extends StatefulWidget {
@@ -59,18 +59,7 @@ class _ContractPreviewPageState extends State<ContractPreviewPage> {
       title: '合同预览',
       body: ListView(
         children: [
-          Stack(
-            children: [
-              FadeInImage.assetNetwork(
-                  placeholder: R.ASSETS_IMAGES_PLACEHOLDER_WEBP,
-                  image: API.image(widget.url)),
-              Positioned(
-                right: 70.w,
-                bottom: 200.w,
-                child: signName,
-              ),
-            ],
-          ),
+          SfPdfViewer.network(API.image(widget.url)),
         ],
       ),
       bottomNavi: BottomButton(
diff --git a/pubspec.lock b/pubspec.lock
index d7dac438..ffc67ea6 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1054,6 +1054,41 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.0"
+  syncfusion_flutter_core:
+    dependency: transitive
+    description:
+      name: syncfusion_flutter_core
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "19.1.69"
+  syncfusion_flutter_pdf:
+    dependency: transitive
+    description:
+      name: syncfusion_flutter_pdf
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "19.1.69-beta"
+  syncfusion_flutter_pdfviewer:
+    dependency: "direct main"
+    description:
+      name: syncfusion_flutter_pdfviewer
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "19.1.69-beta"
+  syncfusion_flutter_pdfviewer_platform_interface:
+    dependency: transitive
+    description:
+      name: syncfusion_flutter_pdfviewer_platform_interface
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "19.1.69-beta"
+  syncfusion_flutter_pdfviewer_web:
+    dependency: transitive
+    description:
+      name: syncfusion_flutter_pdfviewer_web
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "19.1.69-beta"
   synchronized:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index f28e24de..55f87de6 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -104,6 +104,9 @@ dependencies:
   qr_code_scanner: ^0.4.0
   #model 插件
   equatable: ^2.0.0
+  #pdf文件预览
+  syncfusion_flutter_pdfviewer: ^19.1.69-beta
+
 
 dev_dependencies:
   flutter_test: