diff --git a/DTLib.Dtsod/DtsodV23.cs b/DTLib.Dtsod/DtsodV23.cs
index a4853ec..646d647 100644
--- a/DTLib.Dtsod/DtsodV23.cs
+++ b/DTLib.Dtsod/DtsodV23.cs
@@ -28,7 +28,7 @@ public class DtsodV23 : DtsodDict<string, dynamic>, IDtsod
         while (i < text.Length)
         {
             string name = ReadName();
-            if (name == "") goto end;
+            if (name.IsNullOrEmpty()) goto end;
             dynamic value = ReadValue(out bool _);
             if (partOfDollarList)
             {
@@ -250,7 +250,6 @@ public class DtsodV23 : DtsodDict<string, dynamic>, IDtsod
                     case '[':
                         value=ReadList();
                         goto case ';';
-                        break;
                     case ']':
                         endOfList = true;
                         break;
diff --git a/DTLib/Filesystem/OldFilework.cs b/DTLib/Filesystem/OldFilework.cs
index c771425..489ddb4 100644
--- a/DTLib/Filesystem/OldFilework.cs
+++ b/DTLib/Filesystem/OldFilework.cs
@@ -45,7 +45,7 @@ public static class OldFilework
                             value += st[i];
                     }
                     reader.Close();
-                    //if (value == "") throw new System.Exception($"ReadFromConfig({configfile}, {key}) error: key not found");
+                    //if (value.NullOrEmpty()) throw new System.Exception($"ReadFromConfig({configfile}, {key}) error: key not found");
                     return value;
                 }
             }