diff --git a/src/kiwano-physics/Global.cpp b/src/kiwano-physics/Global.cpp
index ce6eeeba..4c6ee2da 100644
--- a/src/kiwano-physics/Global.cpp
+++ b/src/kiwano-physics/Global.cpp
@@ -18,7 +18,6 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
-#pragma once
 #include <kiwano-physics/Global.h>
 
 namespace kiwano
diff --git a/src/kiwano/2d/action/Action.cpp b/src/kiwano/2d/action/Action.cpp
index 6dc75105..796fc25b 100644
--- a/src/kiwano/2d/action/Action.cpp
+++ b/src/kiwano/2d/action/Action.cpp
@@ -65,6 +65,9 @@ void Action::UpdateStep(Actor* target, Duration dt)
     case Status::Started:
         Update(target, dt);
         break;
+
+    default:
+        break;
     }
 
     if (status_ == Status::Done)
diff --git a/src/kiwano/core/Any.h b/src/kiwano/core/Any.h
index f530ddb1..461895bf 100644
--- a/src/kiwano/core/Any.h
+++ b/src/kiwano/core/Any.h
@@ -73,9 +73,9 @@ public:
 
     /// \~chinese
     /// @brief 获取含有对象类型
-    inline const type_info& GetType() const noexcept
+    inline const std::type_info& GetType() const noexcept
     {
-        const type_info* const info = GetTypeinfo();
+        const std::type_info* const info = GetTypeinfo();
         if (info)
         {
             return *info;
@@ -132,7 +132,7 @@ public:
     {
         static_assert(!std::is_void<_Ty>::value, "oc::Any cannot contain void");
 
-        const type_info* const info = GetTypeinfo();
+        const std::type_info* const info = GetTypeinfo();
         if (info && (*info == typeid(std::decay<_Ty>::type)))
         {
             if (HasSmallType())
@@ -193,12 +193,12 @@ public:
     }
 
 private:
-    const type_info*& GetTypeinfo()
+    const std::type_info*& GetTypeinfo()
     {
         return storage_.small_.info_;
     }
 
-    const type_info* GetTypeinfo() const
+    const std::type_info* GetTypeinfo() const
     {
         return storage_.small_.info_;
     }
@@ -430,14 +430,14 @@ private:
 private:
     struct SmallStorage
     {
-        const type_info* info_;
+        const std::type_info* info_;
         SmallStorageRTTI rtti_;
         char             buffer_[ANY_SMALL_SPACE_SIZE];
     };
 
     struct BigStorage
     {
-        const type_info* info_;
+        const std::type_info* info_;
         BigStorageRTTI   rtti_;
         void*            ptr_;
     };
diff --git a/src/kiwano/core/Function.h b/src/kiwano/core/Function.h
index 0f85e1af..8cfcce51 100644
--- a/src/kiwano/core/Function.h
+++ b/src/kiwano/core/Function.h
@@ -75,9 +75,9 @@ public:
     virtual void Release()                     = 0;
     virtual _Ret Invoke(_Args&&... args) const = 0;
 
-    virtual const type_info& TargetType() const noexcept = 0;
+    virtual const std::type_info& TargetType() const noexcept = 0;
 
-    virtual const void* Target(const type_info& type) const noexcept = 0;
+    virtual const void* Target(const std::type_info& type) const noexcept = 0;
 };
 
 template <typename _Ret, typename... _Args>
@@ -121,12 +121,12 @@ public:
         return std::invoke(callee_, std::forward<_Args>(args)...);
     }
 
-    virtual const type_info& TargetType() const noexcept
+    virtual const std::type_info& TargetType() const noexcept
     {
         return typeid(_Ty);
     }
 
-    virtual const void* Target(const type_info& type) const noexcept
+    virtual const void* Target(const std::type_info& type) const noexcept
     {
         if (type == this->TargetType())
             return &callee_;
@@ -153,12 +153,12 @@ public:
         return std::invoke(func_, ptr_, std::forward<_Args>(args)...);
     }
 
-    virtual const type_info& TargetType() const noexcept
+    virtual const std::type_info& TargetType() const noexcept
     {
         return typeid(ProxyMemCallable);
     }
 
-    virtual const void* Target(const type_info& type) const noexcept
+    virtual const void* Target(const std::type_info& type) const noexcept
     {
         if (type == this->TargetType())
             return this;
@@ -193,12 +193,12 @@ public:
         return std::invoke(func_, ptr_, std::forward<_Args>(args)...);
     }
 
-    virtual const type_info& TargetType() const noexcept
+    virtual const std::type_info& TargetType() const noexcept
     {
         return typeid(ProxyConstMemCallable);
     }
 
-    virtual const void* Target(const type_info& type) const noexcept
+    virtual const void* Target(const std::type_info& type) const noexcept
     {
         if (type == this->TargetType())
             return this;
@@ -321,7 +321,7 @@ public:
         std::swap(callable_, rhs.callable_);
     }
 
-    const type_info& target_type() const noexcept
+    const std::type_info& target_type() const noexcept
     {
         return callable_->TargetType();
     }
diff --git a/src/kiwano/core/IntrusiveList.h b/src/kiwano/core/IntrusiveList.h
index 3fe724ed..651e2830 100644
--- a/src/kiwano/core/IntrusiveList.h
+++ b/src/kiwano/core/IntrusiveList.h
@@ -246,13 +246,13 @@ public:
     }
 
 public:
-    template <typename _PtrTy>
+    template <typename _IterPtrTy>
     struct Iterator
     {
         using iterator_category = std::bidirectional_iterator_tag;
-        using value_type        = _PtrTy;
-        using pointer           = _PtrTy*;
-        using reference         = _PtrTy&;
+        using value_type        = _IterPtrTy;
+        using pointer           = _IterPtrTy*;
+        using reference         = _IterPtrTy&;
         using difference_type   = ptrdiff_t;
 
         inline Iterator(value_type ptr = nullptr, bool is_end = false)
diff --git a/src/kiwano/core/SmartPtr.hpp b/src/kiwano/core/SmartPtr.hpp
index 9b1989fd..ad01496c 100644
--- a/src/kiwano/core/SmartPtr.hpp
+++ b/src/kiwano/core/SmartPtr.hpp
@@ -73,13 +73,13 @@ public:
     SmartPtr(pointer_type p)
         : ptr_(p)
     {
-        typename _ProxyTy::Retain(ptr_);
+        _ProxyTy::Retain(ptr_);
     }
 
     SmartPtr(const SmartPtr& other)
         : ptr_(other.ptr_)
     {
-        typename _ProxyTy::Retain(ptr_);
+        _ProxyTy::Retain(ptr_);
     }
 
     SmartPtr(SmartPtr&& other) noexcept
@@ -97,7 +97,7 @@ public:
     SmartPtr(const SmartPtr<_UTy, _ProxyTy>& other)
     {
         ptr_ = const_cast<pointer_type>(dynamic_cast<const_pointer_type>(other.Get()));
-        typename _ProxyTy::Retain(ptr_);
+        _ProxyTy::Retain(ptr_);
     }
 
     inline pointer_type Get() noexcept
@@ -193,7 +193,7 @@ public:
 private:
     void Tidy()
     {
-        typename _ProxyTy::Release(ptr_);
+        _ProxyTy::Release(ptr_);
         ptr_ = nullptr;
     }
 
diff --git a/src/kiwano/render/Brush.h b/src/kiwano/render/Brush.h
index 32992be7..f2e1648d 100644
--- a/src/kiwano/render/Brush.h
+++ b/src/kiwano/render/Brush.h
@@ -19,6 +19,7 @@
 // THE SOFTWARE.
 
 #pragma once
+#include <kiwano/render/Color.h>
 #include <kiwano/render/NativeObject.h>
 #include <kiwano/render/Texture.h>