diff --git a/Editor/EncryptionVM/Instructions/AddInstruction.cs b/Editor/EncryptionVM/Instructions/AddInstruction.cs
index 2681fff..7a93633 100644
--- a/Editor/EncryptionVM/Instructions/AddInstruction.cs
+++ b/Editor/EncryptionVM/Instructions/AddInstruction.cs
@@ -29,7 +29,7 @@ namespace Obfuz.EncryptionVM.Instructions
 
         public override void GenerateDecryptCode(List<string> lines, string indent)
         {
-            lines.Add(indent + $"value = ((value  - {_addValue}) ^ salt) - _secretKey[{_opKeyIndex}];");
+            lines.Add(indent + $"value = ((value - {_addValue}) ^ salt) - _secretKey[{_opKeyIndex}];");
         }
     }
 }
diff --git a/Editor/EncryptionVM/Instructions/MultipleInstruction.cs b/Editor/EncryptionVM/Instructions/MultipleInstruction.cs
index a788a67..e7f6cd7 100644
--- a/Editor/EncryptionVM/Instructions/MultipleInstruction.cs
+++ b/Editor/EncryptionVM/Instructions/MultipleInstruction.cs
@@ -35,7 +35,7 @@ namespace Obfuz.EncryptionVM.Instructions
 
         public override void GenerateEncryptCode(List<string> lines, string indent)
         {
-            lines.Add(indent + $"value = value *  {_multiValue} + _secretKey[{_opKeyIndex}] + salt;");
+            lines.Add(indent + $"value = value * {_multiValue} + _secretKey[{_opKeyIndex}] + salt;");
         }
 
         public override void GenerateDecryptCode(List<string> lines, string indent)
diff --git a/Editor/EncryptionVM/VirtualMachineCodeGenerator.cs b/Editor/EncryptionVM/VirtualMachineCodeGenerator.cs
index f12d368..1662570 100644
--- a/Editor/EncryptionVM/VirtualMachineCodeGenerator.cs
+++ b/Editor/EncryptionVM/VirtualMachineCodeGenerator.cs
@@ -73,7 +73,7 @@ namespace Obfuz.EncryptionVM
             {");
             foreach (var opCode in _vm.opCodes)
             {
-                lines.Add($@"               case {opCode.code}:
+                lines.Add($@"                case {opCode.code}:
                 {{
                     // {opCode.function.GetType().Name}");
                 AppendEncryptCode(lines, opCode.function);
@@ -82,8 +82,7 @@ namespace Obfuz.EncryptionVM
             }
 
             lines.Add(@"
-                default:
-                    throw new System.Exception($""Invalid opCode:{opCode}"");
+                default: throw new System.Exception($""Invalid opCode:{opCode}"");
             }
         }");
         }
@@ -97,7 +96,7 @@ namespace Obfuz.EncryptionVM
             {");
             foreach (var opCode in _vm.opCodes)
             {
-                lines.Add($@"               case {opCode.code}:
+                lines.Add($@"                case {opCode.code}:
                 {{
                     // {opCode.function.GetType().Name}");
                 AppendDecryptCode(lines, opCode.function);
@@ -106,8 +105,7 @@ namespace Obfuz.EncryptionVM
             }
 
             lines.Add(@"
-                default:
-                    throw new System.Exception($""Invalid opCode:{opCode}"");
+                default: throw new System.Exception($""Invalid opCode:{opCode}"");
             }
         }");
         }