diff --git a/pub/index.html b/pub/index.html
index 402f673..f0e7fe0 100644
--- a/pub/index.html
+++ b/pub/index.html
@@ -13,7 +13,7 @@
 		<!-- Адаптив -->
 		<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />
 		<script src="https://snipp.ru/cdn/jquery/2.1.1/jquery.min.js"></script>
-		<script src="js/button"></script>
+		<script src="js/button.js"></script>
 	</head>
 	<body>
 
@@ -40,26 +40,31 @@
 	</body>
 
 	<script>
-		$('.input-file input[type=file]').on('change', function(){
+	$('.input-file input[type=file]').on('change', function(){
 			let file = this.files[0];
 			$(this).closest('.input-file').find('.input-file-text').html(file.name);
-		});
+	});
 
-		function uploadFile() {
+	function uploadFile() {
 		let fileInput = document.getElementById("myFile");
 		file = fileInput.files[0]
 		let formData = new FormData();
 		formData.append("file", file);
 		let fileDown = file.name.replace(/\.[^.]+$/, "")
-
+		let fileRes = file.name.split('').reverse().join('').split('.')[0].split('').reverse().join('');
+		
+		if (fileRes != "json") {
+			alert(`Format file not json`);
+			return
+		}
 		
 		fetch("https://sirius.gitstore.ru/api/sirius", {
 			method: "POST",
 			body: formData
-		 })
+		})
 		.then(response => { 
 			if (!response.ok) {
-				throw new Error(`HTTP ${response.status} - ${response.statusText}`);
+				throw new Error(`HTTP ${response.status} - ${response.body}`);
 			}
 			return response.blob();
 		})
@@ -74,10 +79,11 @@
 			a.click();
 			a.parentNode.removeChild(a);
 			setTimeout(() => { URL.revokeObjectURL(downloadUrl) }, 1000);
-		  })
-		  .catch((err) => {
-			throw err;
-		  });
+		})
+		.catch((err) => {
+			alert(err);
+			return
+		});
 	}	
 	</script>
 </html>
\ No newline at end of file
