diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb77559..faec0f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 macro(cm_example_project sub_folder project_name)
-    target_link_libraries(${project_name} PRIVATE CMCore CMPlatform CMUtil)
+    target_link_libraries(${project_name} PRIVATE CMCore CMPlatform CMUtil tsl::robin_map)
 
     if(UNIX)
         target_link_libraries(${project_name} PRIVATE dl)
@@ -11,6 +11,12 @@
         set_debugger_directory(${project_name} ${CMAKE_CURRENT_SOURCE_DIR})
 
         target_sources(${project_name} PRIVATE ${CM_MANIFEST})
+        
+        if(MSVC)
+            target_sources(${project_name} INTERFACE
+                           ${CM_NATVIS})
+        endif()
+
     ENDIF()
 
     set_property(TARGET ${project_name} PROPERTY FOLDER "CM/Examples/${sub_folder}")
@@ -21,7 +27,10 @@ macro(set_example_project_folder sub_folder project_name)
 endmacro()
 
 ####################################################################################################
+add_executable(DebugObject debug/DebugObject.cpp)
+CM_EXAMPLE_PROJECT("Debug" DebugObject)
 
+####################################################################################################
 add_executable(TypeSizeof datatype/TypeSizeof.cpp)
 CM_EXAMPLE_PROJECT("DataType" TypeSizeof)
 
@@ -32,7 +41,7 @@ add_executable(HalfFloatTest datatype/HalfFloatTest.cpp)
 cm_example_project("DataType" HalfFloatTest)
 
 add_executable(SplitStringTest datatype/SplitStringTest.cpp)
-cm_example_project("DataType" SplitStringTest)
+cm_example_project("DataType" SplitStringTest ${CM_NATVIS})
 
 add_executable(StrChrTest datatype/strchr_test.cpp)
 cm_example_project("DataType" StrChrTest)
@@ -59,6 +68,10 @@ cm_example_project("DataType" ConstStringSetTest)
 add_executable(IDNameTest datatype/IDNameTest.cpp)
 cm_example_project("DataType" IDNameTest)
 
+####################################################################################################
+
+add_executable(OutputEpsilon math/OutputEpsilon.cpp)
+CM_EXAMPLE_PROJECT("Math" OutputEpsilon)
 
 add_executable(TransformBenchmark math/TransformBenchmark.cpp)
 CM_EXAMPLE_PROJECT("Math" TransformBenchmark)
diff --git a/debug/DebugObject.cpp b/debug/DebugObject.cpp
new file mode 100644
index 0000000..5ae69e0
--- /dev/null
+++ b/debug/DebugObject.cpp
@@ -0,0 +1,80 @@
+#include <iostream>
+
+#include<hgl/type/object/Object.h>
+
+using namespace hgl;
+
+class DebugObject:public Object
+{
+    HGL_OBJECT_CLASS_BODY(DebugObject)
+
+public:
+
+    void Initailize()
+    {
+        std::cout<<"DebugObject::Initailize("<<GetSerialNumber()<<")"<<std::endl;
+    }
+
+    void Deinitailize() override
+    {
+        std::cout<<"DebugObject::Deinitailize("<<GetSerialNumber()<<")"<<std::endl;
+    }
+};
+
+#include<hgl/type/object/ObjectManager.h>
+
+HGL_DEFINE_DEFAULT_OBJECT_MANAGER(DebugObject);
+
+#include<hgl/type/object/DefaultCreateObject.h>
+
+int main()
+{
+    SafePtr<DebugObject> obj1=HGL_NEW_OBJECT(DebugObject);
+
+    HGL_DEFINE_OBJECT(DebugObject,obj2);                    //等于上一行
+
+//    DebugObject *obj3=new DebugObject();                  //编译不过(构造函数被定义为私有)
+
+    obj1.Release();
+
+    //delete obj2;                                          //编译不过,SafePtr<>不能被delete
+
+    if(obj1.IsValid())
+    {
+        std::cerr<<"[ERROR] obj1 IsValid() error!"<<std::endl;
+    }
+    else
+    {
+        std::cout<<"[ OK ] obj1 isn't valid!"<<std::endl;
+    }
+
+    const size_t obj2_sn=obj2->GetSerialNumber();
+
+    SafePtr<DebugObject> obj2_indirect=GetObjectBySerial<DebugObject>(obj2_sn);           //直接根据序列号获取对象
+
+    if(!obj2_indirect.IsValid())
+    {
+        std::cerr<<"[ERROR] obj2_indirect isn't valid!"<<std::endl;                         //获取失败(不应该)
+    }
+    else if(obj2_indirect!=obj2)
+    {
+        std::cerr<<"[ERROR] obj2_indirect!=obj2"<<std::endl;                                //获取的对象不是obj2(不应该)
+    }
+    else
+    {
+        std::cout<<"[ OK ] obj2_indirect==obj2"<<std::endl;                                //获取的对象是obj2(成功)
+
+        obj2_indirect.Destory();
+
+        if(obj2.IsValid())
+        {
+            std::cerr<<"[ERROR] obj2 IsValid() error!"<<std::endl;                          //错误，由于obj2_indirect被Destory了,obj2也应该无效
+        }
+        else
+        {
+            std::cout<<"[ OK ] obj2 isn't valid!"<<std::endl;                              //成功
+        }
+    }
+
+    return 0;
+}
diff --git a/math/OutputEpsilon.cpp b/math/OutputEpsilon.cpp
new file mode 100644
index 0000000..3fed01c
--- /dev/null
+++ b/math/OutputEpsilon.cpp
@@ -0,0 +1,14 @@
+#include<iostream>
+#include<hgl/math/MathConst.h>
+
+using namespace std;
+using namespace hgl;
+
+int main(int,char **)
+{
+    std::cout<<"float: "<<HGL_FLOAT_EPSILON<<std::endl;
+    
+    std::cout<<"double: "<<HGL_DOUBLE_EPSILON<<std::endl;
+
+    return 0;
+}
\ No newline at end of file