diff --git a/components/questionnaire/forms/DigitalSignaturesList.js b/components/questionnaire/forms/DigitalSignaturesList.js
index 2b41d5c..55ba372 100644
--- a/components/questionnaire/forms/DigitalSignaturesList.js
+++ b/components/questionnaire/forms/DigitalSignaturesList.js
@@ -76,21 +76,27 @@ export default class DigitalSignaturesList extends React.Component
 	_sign = () => 
 	{
 		downloadQuestionnaire(false)
-		.then(({ filedata, filename }) => 
+		.then(({ file, filename }) => 
 		{
 			//let created_at = moment().format('DD-MM-yyyy');
 			//let filename = `Коммерческое предложение №${this.props.proposal.proposalId} от ${createAt}.docx`
-			let file = new File([ filedata ], filename);
+			let file_to_sign = new File([ file ], filename);
 
 			console.log("this.state", this.state);
+			console.log("file");
+			console.log(file);
 
-			generateSignature(file, this.state.certificate_selected.certificate)
+			console.log("file_to_sign");
+			console.log(file_to_sign);
+
+			const now = moment().format("DDMMYYYY_HHmmss");
+			generateSignature(file_to_sign, this.state.certificate_selected.certificate)
 			.then(signature => {
 				console.log("signature");
 				console.log(signature);
 
-				fileDownload(signature, `${ filename }.sig`);
-				fileDownload(filedata, filename);
+				fileDownload(signature, `${ now }_${ filename }.sig`);
+				fileDownload(file, `${ now }_${ filename }`);
 				alert("Подписание ЭЦП прошло успешно.");
 			});
   		})
diff --git a/utils/digital_signature/index.js b/utils/digital_signature/index.js
index 06c9c60..8eba6ae 100644
--- a/utils/digital_signature/index.js
+++ b/utils/digital_signature/index.js
@@ -11,23 +11,30 @@ export function isPluginCryptoProInstalled()
 		{
 			console.log("window.cadesplugin", "AFTER", window.cadesplugin);
 
-			window.cadesplugin.async_spawn(function *(args) 
+			if(window.cadesplugin !== undefined)
 			{
-				try 
+				window.cadesplugin.async_spawn(function *(args) 
 				{
-					yield window.cadesplugin
-				} 
-				catch (e) 
-				{
-					console.error("isPluginCryptoProInstalled");
-					console.error(e);
-	
-					reject({ message: e })
-					return;
-				}
-	
-				resolve();
-			});
+					try 
+					{
+						yield window.cadesplugin
+					} 
+					catch (e) 
+					{
+						console.error("isPluginCryptoProInstalled");
+						console.error(e);
+		
+						reject({ message: e })
+						return;
+					}
+		
+					resolve();
+				});
+			}
+			else
+			{
+				reject();
+			}
 		}, 500);
 	});
 }