diff --git a/Assets/TEngine/Runtime/Utility/StringExtension.cs b/Assets/TEngine/Runtime/Extension/StringExtension.cs
similarity index 100%
rename from Assets/TEngine/Runtime/Utility/StringExtension.cs
rename to Assets/TEngine/Runtime/Extension/StringExtension.cs
diff --git a/Assets/TEngine/Runtime/Utility/StringExtension.cs.meta b/Assets/TEngine/Runtime/Extension/StringExtension.cs.meta
similarity index 100%
rename from Assets/TEngine/Runtime/Utility/StringExtension.cs.meta
rename to Assets/TEngine/Runtime/Extension/StringExtension.cs.meta
diff --git a/Assets/TEngine/Runtime/Utility/UnityExtension.cs b/Assets/TEngine/Runtime/Extension/UnityExtension.cs
similarity index 100%
rename from Assets/TEngine/Runtime/Utility/UnityExtension.cs
rename to Assets/TEngine/Runtime/Extension/UnityExtension.cs
diff --git a/Assets/TEngine/Runtime/Utility/UnityExtension.cs.meta b/Assets/TEngine/Runtime/Extension/UnityExtension.cs.meta
similarity index 100%
rename from Assets/TEngine/Runtime/Utility/UnityExtension.cs.meta
rename to Assets/TEngine/Runtime/Extension/UnityExtension.cs.meta