diff --git a/CommonLibrary/Extensions.cs b/CommonLibrary/Extensions.cs
index ae09064..baf872b 100644
--- a/CommonLibrary/Extensions.cs
+++ b/CommonLibrary/Extensions.cs
@@ -7,25 +7,23 @@ namespace CommonLibrary
     {
         public static string PathCombineL(params string[] paths)
         {
-            string directorySeparatorChar = System.IO.Path.AltDirectorySeparatorChar.ToString();
+            var directorySeparatorChar = System.IO.Path.AltDirectorySeparatorChar.ToString();
             return PathCombine(directorySeparatorChar, paths).Replace("\\", "/");
         }
 
         public static string PathCombineW(params string[] paths)
         {
-            string directorySeparatorChar = System.IO.Path.DirectorySeparatorChar.ToString();
+            var directorySeparatorChar = System.IO.Path.DirectorySeparatorChar.ToString();
             return PathCombine(directorySeparatorChar, paths).Replace("/", "\\");
         }
 
-        private static string PathCombine(string directorySeparator, params string[] paths)
+        static string PathCombine(string directorySeparator, params string[] paths)
         {
-            if (paths.Length == 0)
-            {
-                return string.Empty;
-            }
+            if (paths.Length == 0) return string.Empty;
 
-            StringBuilder path = new StringBuilder();
+            var path = new StringBuilder();
             path.Append(paths[0]);
+
             for (int i = 1; i < paths.Length; i++)
             {
                 if (path.ToString().Substring(path.Length - 1, 1) == directorySeparator)
@@ -52,46 +50,36 @@ namespace CommonLibrary
                     }
                 }
             }
+
             return path.ToString();
         }
+
         public static bool IsDefault<T>(ref this T data) where T : struct
-        {
-            return default(T).Equals(data);
-        }
+=> default(T).Equals(data);
 
         public static void DeepMove(this DirectoryInfo sourceDirectoryInfo, DirectoryInfo targetDirectoryInfo)
         {
-            if (!sourceDirectoryInfo.Exists)
-            {
-                return;
-            }
+            if (!sourceDirectoryInfo.Exists) return;
 
-            if (sourceDirectoryInfo.Root == targetDirectoryInfo.Root)
+            if (sourceDirectoryInfo.Root.Name == targetDirectoryInfo.Root.Name)
             {
                 sourceDirectoryInfo.MoveTo(targetDirectoryInfo.FullName);
-                return;
             }
-
-            DirectoryInfo[] directoryInfos = sourceDirectoryInfo.GetDirectories("*", SearchOption.AllDirectories);
-            FileInfo[] fileInfos = sourceDirectoryInfo.GetFiles("*", SearchOption.AllDirectories);
-
-            foreach (var directoryInfo in directoryInfos)
+            else
             {
-                DirectoryInfo targetDirectory = new DirectoryInfo(directoryInfo.FullName.Replace(sourceDirectoryInfo.FullName, targetDirectoryInfo.FullName));
-                if (!targetDirectory.Exists)
+                var fileInfos = sourceDirectoryInfo.GetFiles("*", SearchOption.AllDirectories);
+
+                foreach (var file in fileInfos)
                 {
+                    var targetDirectory = new DirectoryInfo(file.DirectoryName.Replace(sourceDirectoryInfo.FullName, targetDirectoryInfo.FullName));
                     targetDirectory.Create();
+                    var targetFileName = System.IO.Path.Combine(targetDirectory.FullName, file.Name);
+
+                    file.CopyTo(targetFileName, true);
                 }
-            }
 
-            foreach (var file in fileInfos)
-            {
-                DirectoryInfo targetDirectory = new DirectoryInfo(file.DirectoryName.Replace(sourceDirectoryInfo.FullName, targetDirectoryInfo.FullName));
-                string targetFileName = System.IO.Path.Combine(targetDirectory.FullName, file.Name);
-
-                file.CopyTo(targetFileName, true);
+                sourceDirectoryInfo.Delete(true);
             }
-            sourceDirectoryInfo.Delete(true);
         }
     }
 }
\ No newline at end of file