diff --git a/app/app.class.js b/app/app.class.js
index 0b218d5..eea6a66 100644
--- a/app/app.class.js
+++ b/app/app.class.js
@@ -38,7 +38,7 @@ class App
 			_options.domain = ip.address()
 
 		if( typeof _options.port === 'undefined' )
-			_options.port = 3000
+			_options.port = 1571
 
 		// Save
 		this.options = _options
diff --git a/readme.md b/readme.md
index b0fb37a..f34482a 100644
--- a/readme.md
+++ b/readme.md
@@ -36,7 +36,6 @@ The project URL appears. Share it with the viewers on the same wifi.
 
 ### Todo
 
-- [ ] Prevent new version if no change
 - [ ] Ignore too big files
 - [ ] Ignore non txt files
 - [ ] NPM package
diff --git a/site/app.class.js b/site/app.class.js
index 6e7f201..e193d5e 100644
--- a/site/app.class.js
+++ b/site/app.class.js
@@ -229,7 +229,7 @@ class App
 			{
 				project = this.projects.create_project( data.name )
 
-				console.log( util.inspect( project.files.describe(), { depth: null, colors: true } ) )
+				// console.log( util.inspect( project.files.describe(), { depth: null, colors: true } ) )
 			} )
 
 			// Update file
@@ -237,7 +237,7 @@ class App
 			{
 				project.files.create_version( data.path, data.content )
 
-				console.log( util.inspect( project.files.describe(), { depth: null, colors: true } ) )
+				// console.log( util.inspect( project.files.describe(), { depth: null, colors: true } ) )
 			} )
 
 			// Create file
@@ -245,7 +245,7 @@ class App
 			{
 				project.files.create( data.path, data.content )
 
-				console.log( util.inspect( project.files.describe(), { depth: null, colors: true } ) )
+				// console.log( util.inspect( project.files.describe(), { depth: null, colors: true } ) )
 			} )
 
 			// Delete file
@@ -253,15 +253,15 @@ class App
 			{
 				project.files.delete( data.path )
 
-				console.log( util.inspect( project.files.describe(), { depth: null, colors: true } ) )
+				// console.log( util.inspect( project.files.describe(), { depth: null, colors: true } ) )
 			} )
 
 			// Disconnect
 			socket.on( 'disconnect', () =>
 			{
-				console.log( 'socket app'.green.bold + ' - ' + 'disconnect'.cyan + ' - ' + socket.id.cyan )
-
 				this.projects.delete_project( project.slug )
+
+				console.log( 'socket app'.green.bold + ' - ' + 'disconnect'.cyan + ' - ' + socket.id.cyan )
 			} );
 		} )
 	}
diff --git a/site/models/file.class.js b/site/models/file.class.js
index 98bf806..178476d 100644
--- a/site/models/file.class.js
+++ b/site/models/file.class.js
@@ -2,6 +2,7 @@
 
 // Depedencies
 let diff  = require( 'diff' ),
+	util  = require( 'util' ),
 	paths = require( '../utils/paths.class.js' ),
 	ids   = require( '../utils/ids.class.js' )
 
@@ -39,8 +40,11 @@ class File
 		version.content = content
 
 		if( !last_version )
+		{
 			version.diff = false
+		}
 		else
+		{
 			version.diff = diff.diffLines(
 				last_version.content,
 				version.content,
@@ -49,6 +53,11 @@ class File
 				}
 			)
 
+			// No changed
+			if( version.diff.length === 1 )
+				return false
+		}
+
 		// Emit
 		this.socket.emit( 'create_version', { file: this.path.full, version: version } )