diff --git a/PenetrateBasic/cmds_basic.h b/PenetrateBasic/cmds_basic.h
index 448b059..257fedb 100644
--- a/PenetrateBasic/cmds_basic.h
+++ b/PenetrateBasic/cmds_basic.h
@@ -134,7 +134,6 @@ namespace Inlet {
 	};
 	template<void* addr, typename Ret, typename... Args> CmdsImpl<addr, Ret, Args...>* CmdsImpl<addr, Ret, Args...>::_unique_inst = nullptr;
 
-
 	template<void* addr, typename Ret, typename... Args> struct EventsImpl : public IRunbase {
 	private:
 		Callable<Ret, Args...> _func = (Callable<Ret, Args...>)addr;
@@ -168,7 +167,5 @@ namespace Inlet {
 			_args_value.loadFrom(0, object);
 		}
 	};
-
 	template<void* addr, typename Ret, typename... Args> EventsImpl<addr, Ret, Args...>* EventsImpl<addr, Ret, Args...>::_unique_inst = nullptr;
-
 }
diff --git a/PenetrateBasic/main.cpp b/PenetrateBasic/main.cpp
index fa1381e..8438f97 100644
--- a/PenetrateBasic/main.cpp
+++ b/PenetrateBasic/main.cpp
@@ -5,13 +5,15 @@
 #include "dispatch.h"
 #include "cmds.h"
 #include "validation.h"
+#include "validate_impl.h"
 
 int vp(int c) {
 	qDebug() << c;
 	return c;
 }
-
 verify::T<int(int)>::Validation<vp> vp_check; 
+auto args0 = vp_check.pos<0>() & new impls::Int32Limit<true, true>(QString(u8"Hello World"), 0, 3);
+
 
 namespace xproc {
 	int xmp(int arg) {
@@ -19,7 +21,6 @@ namespace xproc {
 		return 3;
 	}
 }
-
 cmds::T<int(int)>::Cmd<vp> entry("hello");
 cmds::T<int(int)>::Cmd<xproc::xmp> xvv("sfaf");
 
@@ -37,6 +38,9 @@ int main(int argc, char* argv[]) {
 	exec.execute(5);
 
 	entry(50);
+	entry(2);
+	entry(0);
+	entry(3);
 	xvv(2);
 
 	return a.exec();
diff --git a/PenetrateBasic/validate_impl.h b/PenetrateBasic/validate_impl.h
index c07840d..aa7d923 100644
--- a/PenetrateBasic/validate_impl.h
+++ b/PenetrateBasic/validate_impl.h
@@ -37,14 +37,46 @@ namespace impls {
 	};
 
 	template<bool min_equal, bool max_equal>
-	class IntegerLimit : public validate::Validator<int64_t> {
+	class Int32Limit : public validate::Validator<int32_t> {
+	private:
+		QString _name_store;
+		int32_t _limit_max, _limit_min;
+		int32_t _limit_max_times = 0, _limit_min_times = 0;
+
+	public:
+		Int32Limit(const QString& name, int32_t min, int32_t max)
+			: _name_store(name), _limit_min(min), _limit_max(max) {
+			_limit_max_times = _limit_max + max_equal;
+			_limit_min_times = _limit_min - min_equal;
+		}
+
+
+		virtual bool check(int32_t value) const {
+			return _limit_min_times < value && value < _limit_max_times;
+		}
+
+		virtual void getDepict(datas::IDataObject& self_description) {
+			self_description.setString(u8"ValidatorName", _name_store);
+			self_description.setString(u8"ValueType", u8"Integer");
+			self_description.setInt32(u8"MinValue", _limit_min);
+			self_description.setInt32(u8"MaxValue", _limit_max);
+
+			auto description = QString(u8"%1 %3 value %4 %2").arg(_limit_min).arg(_limit_max);
+			description = description.arg(min_equal ? u8"<=" : u8"<", max_equal ? u8"<=" : u8"<");
+			self_description.setString(u8"Description", description);
+		}
+	};
+
+
+	template<bool min_equal, bool max_equal>
+	class Int64Limit : public validate::Validator<int64_t> {
 	private:
 		QString _name_store;
 		int64_t _limit_max, _limit_min;
 		int64_t _limit_max_times = 0, _limit_min_times = 0;
 
 	public:
-		IntegerLimit(const QString& name, int64_t min, int64_t max)
+		Int64Limit(const QString& name, int64_t min, int64_t max)
 			: _name_store(name), _limit_min(min), _limit_max(max) {
 			_limit_max_times = _limit_max + max_equal;
 			_limit_min_times = _limit_min - min_equal;
@@ -67,6 +99,7 @@ namespace impls {
 		}
 	};
 
+
 	class EnumsValidator : public validate::Validator<int32_t> {
 	private:
 		QString _name_store;
diff --git a/PenetrateBasic/validation_basic.h b/PenetrateBasic/validation_basic.h
index ef412c2..dd2eb89 100644
--- a/PenetrateBasic/validation_basic.h
+++ b/PenetrateBasic/validation_basic.h
@@ -15,7 +15,7 @@ namespace validate {
 	};
 	template<typename T> class ValidatorReceiver {
 	public:
-		virtual void append(Validator<T> inst) { }
+		virtual void append(Validator<T>* inst) { }
 	};
 
 
@@ -32,15 +32,15 @@ namespace validate {
 	template<typename head_type, typename... rest_type>
 	struct ValidateTemplet<head_type, rest_type...> : public ValidateTemplet<rest_type...> {
 	private:
-		QList<Validator<head_type>> validator_list;
+		QList<Validator<head_type>*> validator_list;
 
 	public:
-		void add(Validator<head_type> vinst) {
+		void add(Validator<head_type>* vinst) {
 			validator_list << vinst;
 		}
 		bool check(head_type value) const {
 			for (auto u : validator_list)
-				if (!u.check(value))
+				if (!u->check(value))
 					return false;
 			return true;
 		}
@@ -72,7 +72,7 @@ namespace validate {
 
 	template<int idx, typename head_type, typename... rest_type>
 	void __validator_insert_helper(ValidateTemplet<head_type, rest_type...>& target,
-		Validator<typename ElmPos<idx, ValidateTemplet<head_type, rest_type...>>::value_type> inst) {
+		Validator<typename ElmPos<idx, ValidateTemplet<head_type, rest_type...>>::value_type>* inst) {
 		using templet_type = typename ElmPos<idx, ValidateTemplet<head_type, rest_type...>>::templet_type;
 		target.templet_type::add(inst);
 	}
@@ -103,7 +103,7 @@ namespace validate {
 
 		ArgsPosition(ValidateTemplet<args_type...>& target) :_templet_bind(target) { }
 
-		ArgsPosition<n, args_type...>& operator&(Validator<param_type> vinst) {
+		ArgsPosition<n, args_type...>& operator&(Validator<param_type>* vinst) {
 			append(vinst);
 			return *this;
 		}
@@ -115,7 +115,7 @@ namespace validate {
 		}
 
 		// ValidatorReceiver
-		virtual void append(Validator<param_type> inst) {
+		virtual void append(Validator<param_type>* inst) {
 			__validator_insert_helper<n, args_type...>(_templet_bind, inst);
 		}
 
@@ -128,7 +128,7 @@ namespace validate {
 		SlicePosition(ValidatorReceiver<s_type>& host, std::function<t_type(s_type)> func)
 			:_conv_func(func), _prev_bind(host) { }
 
-		SlicePosition<n, s_type, t_type, ArgsPosition<n, args_type...>>& operator&(Validator<t_type> vinst) {
+		SlicePosition<n, s_type, t_type, ArgsPosition<n, args_type...>>& operator&(Validator<t_type>* vinst) {
 			append(vinst);
 			return *this;
 		}
@@ -140,7 +140,7 @@ namespace validate {
 		}
 
 		// ValidatorReceiver
-		virtual void append(Validator<t_type> inst) {
+		virtual void append(Validator<t_type>* inst) {
 			SliceValidator<s_type, t_type> mid_validator(_conv_func, inst);
 			_prev_bind.append(mid_validator);
 		}