diff --git a/include/element.h b/include/element.h
index 754e7e9..a495472 100644
--- a/include/element.h
+++ b/include/element.h
@@ -2,15 +2,15 @@
 #define ACPA_ELEMENT_H
 
 #include <map>
-#include <set>
-#include <utility>
 #include <memory>
+#include <set>
 #include <string>
+#include <utility>
 #include <vector>
 
 using std::map;
-using std::set;
 using std::pair;
+using std::set;
 using std::shared_ptr;
 using std::string;
 using std::vector;
@@ -37,40 +37,70 @@ struct ValType {
 		FUNCTION
 	};
 	virtual ValType::Type type() const = 0;
-	virtual shared_ptr<ValType> struct_replace(shared_ptr<StructType>, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) = 0;
-	virtual shared_ptr<ValType> function_replace(const map<shared_ptr<TemplateType>, shared_ptr<ValType>>&, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) = 0;
-	virtual bool sameType(shared_ptr<ValType>, set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>>&) = 0;
+	virtual shared_ptr<ValType> struct_replace(
+		shared_ptr<StructType>,
+		map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&)
+		= 0;
+	virtual shared_ptr<ValType> function_replace(
+		const map<shared_ptr<TemplateType>, shared_ptr<ValType>>&,
+		map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&)
+		= 0;
+	virtual bool sameType(shared_ptr<ValType>,
+			      set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>>&)
+		= 0;
 	virtual ~ValType() = default;
 };
 
-struct TemplateType : ValType, std::enable_shared_from_this<TemplateType> {
+struct TemplateType
+	: ValType
+	, std::enable_shared_from_this<TemplateType> {
 	ValType::Type type() const override;
-	shared_ptr<ValType> struct_replace(shared_ptr<StructType>, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
-	shared_ptr<ValType> function_replace(const map<shared_ptr<TemplateType>, shared_ptr<ValType>>&, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
-	bool sameType(shared_ptr<ValType>, set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>>&) override;
+	shared_ptr<ValType> struct_replace(
+		shared_ptr<StructType>,
+		map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
+	shared_ptr<ValType> function_replace(
+		const map<shared_ptr<TemplateType>, shared_ptr<ValType>>&,
+		map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
+	bool sameType(shared_ptr<ValType>,
+		      set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>>&) override;
 };
 
-struct StructType : ValType, std::enable_shared_from_this<StructType> {
+struct StructType
+	: ValType
+	, std::enable_shared_from_this<StructType> {
 	ValType::Type type() const override;
-	shared_ptr<ValType> struct_replace(shared_ptr<StructType>, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
-	shared_ptr<ValType> function_replace(const map<shared_ptr<TemplateType>, shared_ptr<ValType>>&, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
-	bool sameType(shared_ptr<ValType>, set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>>&) override;
+	shared_ptr<ValType> struct_replace(
+		shared_ptr<StructType>,
+		map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
+	shared_ptr<ValType> function_replace(
+		const map<shared_ptr<TemplateType>, shared_ptr<ValType>>&,
+		map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
+	bool sameType(shared_ptr<ValType>,
+		      set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>>&) override;
 	shared_ptr<Struct> str;
 	map<shared_ptr<TemplateType>, shared_ptr<ValType>> mp;
 };
 
-struct FunctionType : ValType, std::enable_shared_from_this<FunctionType> {
+struct FunctionType
+	: ValType
+	, std::enable_shared_from_this<FunctionType> {
 	ValType::Type type() const override;
-	shared_ptr<ValType> struct_replace(shared_ptr<StructType>, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
-	shared_ptr<ValType> function_replace(const map<shared_ptr<TemplateType>, shared_ptr<ValType>>&, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
-	bool sameType(shared_ptr<ValType>, set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>>&) override;
+	shared_ptr<ValType> struct_replace(
+		shared_ptr<StructType>,
+		map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
+	shared_ptr<ValType> function_replace(
+		const map<shared_ptr<TemplateType>, shared_ptr<ValType>>&,
+		map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>&) override;
+	bool sameType(shared_ptr<ValType>,
+		      set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>>&) override;
 	vector<shared_ptr<TemplateType>> c1;
 	vector<shared_ptr<ValType>> c2;
 	shared_ptr<ValType> c3;
 };
 
 shared_ptr<ValType> struct_replace(shared_ptr<ValType>, shared_ptr<StructType>);
-shared_ptr<ValType> function_replace(shared_ptr<ValType>, const map<shared_ptr<TemplateType>, shared_ptr<ValType>>&);
+shared_ptr<ValType> function_replace(shared_ptr<ValType>,
+				     const map<shared_ptr<TemplateType>, shared_ptr<ValType>>&);
 bool sameType(shared_ptr<ValType>, shared_ptr<ValType>);
 
 #endif
\ No newline at end of file
diff --git a/scripts/check.py b/scripts/check.py
index 1e7f2fb..0087d68 100644
--- a/scripts/check.py
+++ b/scripts/check.py
@@ -23,7 +23,7 @@ def test_compiler(test_dir, should_fail):
 			result = subprocess.run(['./acpa', file_path], capture_output=True, text=True)
 			elapsed_time = time.time() - start_time
 
-			if result.returncode != 0:
+			if 'runtime error' in result.stderr or result.returncode not in [0, 1]:
 				print(f'  {Color.RED}测试失败:{Color.RESET} 在编译 {file_path} 时发生运行时错误')
 				has_failed_tests = True
 				continue
diff --git a/src/element.cpp b/src/element.cpp
index c0a67b1..3ed14c9 100644
--- a/src/element.cpp
+++ b/src/element.cpp
@@ -15,7 +15,9 @@ ValType::Type FunctionType::type() const {
 	return ValType::FUNCTION;
 }
 
-shared_ptr<ValType> TemplateType::struct_replace(shared_ptr<StructType> ut, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>> &eq) {
+shared_ptr<ValType> TemplateType::struct_replace(
+	shared_ptr<StructType> ut,
+	map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>& eq) {
 	auto vt = shared_from_this();
 	auto it1 = ut->mp.find(vt);
 	auto it2 = eq.find(vt);
@@ -29,15 +31,16 @@ shared_ptr<ValType> TemplateType::struct_replace(shared_ptr<StructType> ut, map<
 	return static_pointer_cast<ValType>(vt);
 }
 
-shared_ptr<ValType> StructType::struct_replace(shared_ptr<StructType> ut, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>> &eq) {
+shared_ptr<ValType> StructType::struct_replace(
+	shared_ptr<StructType> ut,
+	map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>& eq) {
 	auto tt = make_shared<StructType>();
 	(*tt) = (*ut);
 	set<shared_ptr<Struct>> vis;
 	for (auto u = str; u.get() != nullptr; u = u->fa.lock()) {
 		vis.insert(u);
 	}
-	for (auto u = ut->str; u.get() != nullptr && vis.find(u) == vis.end();
-			u = u->fa.lock()) {
+	for (auto u = ut->str; u.get() != nullptr && vis.find(u) == vis.end(); u = u->fa.lock()) {
 		for (auto tem : u->c1) {
 			tt->mp.erase(tem);
 		}
@@ -48,7 +51,9 @@ shared_ptr<ValType> StructType::struct_replace(shared_ptr<StructType> ut, map<sh
 	return static_pointer_cast<ValType>(tt);
 }
 
-shared_ptr<ValType> FunctionType::struct_replace(shared_ptr<StructType> ut, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>> &eq) {
+shared_ptr<ValType> FunctionType::struct_replace(
+	shared_ptr<StructType> ut,
+	map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>& eq) {
 	auto tt = make_shared<FunctionType>();
 	for (size_t i = 0; i < c1.size(); i++) {
 		tt->c1.push_back(eq[c1[i]] = make_shared<TemplateType>());
@@ -65,10 +70,12 @@ shared_ptr<ValType> FunctionType::struct_replace(shared_ptr<StructType> ut, map<
 
 shared_ptr<ValType> struct_replace(shared_ptr<ValType> vt, shared_ptr<StructType> ut) {
 	static map<shared_ptr<TemplateType>, shared_ptr<TemplateType>> eq;
-	return vt->struct_replace(ut,eq);
+	return vt->struct_replace(ut, eq);
 }
 
-shared_ptr<ValType> TemplateType::function_replace(const map<shared_ptr<TemplateType>, shared_ptr<ValType>> &mp, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>> &eq) {
+shared_ptr<ValType> TemplateType::function_replace(
+	const map<shared_ptr<TemplateType>, shared_ptr<ValType>>& mp,
+	map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>& eq) {
 	auto tt = shared_from_this();
 	auto it1 = mp.find(tt);
 	auto it2 = eq.find(tt);
@@ -82,7 +89,9 @@ shared_ptr<ValType> TemplateType::function_replace(const map<shared_ptr<Template
 	return static_pointer_cast<ValType>(tt);
 }
 
-shared_ptr<ValType> StructType::function_replace(const map<shared_ptr<TemplateType>, shared_ptr<ValType>> &mp, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>> &eq) {
+shared_ptr<ValType> StructType::function_replace(
+	const map<shared_ptr<TemplateType>, shared_ptr<ValType>>& mp,
+	map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>& eq) {
 	auto tt = make_shared<StructType>();
 	(*tt) = (*this);
 	for (auto& pr : tt->mp) {
@@ -91,7 +100,9 @@ shared_ptr<ValType> StructType::function_replace(const map<shared_ptr<TemplateTy
 	return tt;
 }
 
-shared_ptr<ValType> FunctionType::function_replace(const map<shared_ptr<TemplateType>, shared_ptr<ValType>> &mp, map<shared_ptr<TemplateType>, shared_ptr<TemplateType>> &eq) {
+shared_ptr<ValType> FunctionType::function_replace(
+	const map<shared_ptr<TemplateType>, shared_ptr<ValType>>& mp,
+	map<shared_ptr<TemplateType>, shared_ptr<TemplateType>>& eq) {
 	auto tt = make_shared<FunctionType>();
 	for (size_t i = 0; i < c1.size(); i++) {
 		tt->c1.push_back(eq[c1[i]] = make_shared<TemplateType>());
@@ -106,17 +117,21 @@ shared_ptr<ValType> FunctionType::function_replace(const map<shared_ptr<Template
 	return static_pointer_cast<ValType>(tt);
 }
 
-shared_ptr<ValType> function_replace(shared_ptr<ValType> t, const map<shared_ptr<TemplateType>, shared_ptr<ValType>>& mp) {
+shared_ptr<ValType> function_replace(
+	shared_ptr<ValType> t,
+	const map<shared_ptr<TemplateType>, shared_ptr<ValType>>& mp) {
 	static map<shared_ptr<TemplateType>, shared_ptr<TemplateType>> eq;
 	return t->function_replace(mp, eq);
 }
 
-bool TemplateType::sameType(shared_ptr<ValType> b, set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>> &eq) {
+bool TemplateType::sameType(shared_ptr<ValType> b,
+			    set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>>& eq) {
 	auto aa = shared_from_this(), bb = static_pointer_cast<TemplateType>(b);
 	return aa == bb || eq.find({aa, bb}) != eq.end();
 }
 
-bool StructType::sameType(shared_ptr<ValType> b, set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>> &eq) {
+bool StructType::sameType(shared_ptr<ValType> b,
+			  set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>>& eq) {
 	auto bb = static_pointer_cast<StructType>(b);
 	if (str != bb->str) {
 		return false;
@@ -131,7 +146,8 @@ bool StructType::sameType(shared_ptr<ValType> b, set<pair<shared_ptr<TemplateTyp
 	return true;
 }
 
-bool FunctionType::sameType(shared_ptr<ValType> b, set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>> &eq) {
+bool FunctionType::sameType(shared_ptr<ValType> b,
+			    set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>>& eq) {
 	auto bb = static_pointer_cast<FunctionType>(b);
 	if (c1.size() != bb->c1.size() || c2.size() != bb->c2.size()) {
 		return false;
diff --git a/src/main.cpp b/src/main.cpp
index 89eaf39..e8c961d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4,10 +4,23 @@
 #include "token.h"
 #include "work.h"
 #include <argparse/argparse.hpp>
+#include <csignal>
 
 using namespace std;
 
+void signal_handler(int signal) {
+	std::cerr << "runtime error, signal: " << signal << std::endl;
+	std::exit(signal);
+}
+
 int main(int argc, char* argv[]) {
+	std::signal(SIGSEGV, signal_handler);  // 捕获段错误，如空指针异常
+	std::signal(SIGABRT, signal_handler);  // 捕获异常终止，如释放后使用
+	std::signal(SIGFPE, signal_handler);   // 捕获浮点异常
+	std::signal(SIGILL, signal_handler);   // 捕获非法指令
+	std::signal(SIGINT, signal_handler);   // 捕获中断信号
+	std::signal(SIGTERM, signal_handler);  // 捕获终止信号
+
 	argparse::ArgumentParser program("acpa",
 					 "0.1a0",
 					 argparse::default_arguments::help,