diff --git a/frontend/mobile-app/lib/features/contract_signing/presentation/pages/contract_signing_page.dart b/frontend/mobile-app/lib/features/contract_signing/presentation/pages/contract_signing_page.dart
index 974cb749..f0a0825a 100644
--- a/frontend/mobile-app/lib/features/contract_signing/presentation/pages/contract_signing_page.dart
+++ b/frontend/mobile-app/lib/features/contract_signing/presentation/pages/contract_signing_page.dart
@@ -343,8 +343,14 @@ class _ContractSigningPageState extends ConsumerState<ContractSigningPage> {
             actions: [
               TextButton(
                 onPressed: () {
-                  Navigator.of(context).pop();
-                  context.pop(true);
+                  Navigator.of(context).pop(); // 关闭对话框
+                  // 检查是否可以返回上一页
+                  if (context.canPop()) {
+                    context.pop(true);
+                  } else {
+                    // 如果没有上一页，跳转到首页
+                    context.go('/');
+                  }
                 },
                 child: const Text('完成'),
               ),