diff --git a/src/main.cpp b/src/main.cpp
index c27ce38..7884ff5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,15 +1,19 @@
 #include <exception>
 #include <filesystem>
 #include<fstream>
+#include <sstream>
 #include <stdexcept>
 #include<string>
 #include<algorithm>
 #include<iostream>
-#include <type_traits>
 #include"tools.hpp"
 
 // std::string reversedComplement(std::string DNAsequence);
 
+#define OPEN_IFS_AND_CHECK(file_path,value_name)std::ifstream value_name(file_path);if(value_name.is_open()==false){std::stringstream ss;ss<<"cannot open input file stream : "<<file_path.filename();throw std::runtime_error(ss.str());}
+
+#define OPEN_OFS_AND_CHECK(file_path,value_name)std::ofstream value_name(file_path);if(value_name.is_open()==false){std::stringstream ss;ss<<"cannot open output file stream : "<<file_path.filename();throw std::runtime_error(ss.str());}
+
 std::string reverseComplement(std::string DNAsequence)
 {
 	using namespace std;
@@ -40,12 +44,10 @@ std::string reverseComplement(std::string DNAsequence)
 	return l;
 }
 
-
-
 int main()
 {
 	try{
-        std::ios_base::sync_with_stdio(false); //加了没效果 
+        // std::ios_base::sync_with_stdio(false); //加了没效果 
         using namespace std;
         
         char buf[50000];
@@ -53,8 +55,10 @@ int main()
 
         filesystem::path input_path("filteredReads.txt"),output_path("reversedSequence.txt");
         
-        ifstream input_file_stream(input_path);
-        ofstream output_file_stream(output_path);
+        // ifstream input_file_stream(input_path);
+        // ofstream output_file_stream(output_path);
+        OPEN_IFS_AND_CHECK(input_path, input_file_stream)
+        OPEN_OFS_AND_CHECK(output_path, output_file_stream)
         
         zt::check_fstream_isopen(input_file_stream, output_file_stream);
 
diff --git a/src/tools/tools.hpp b/src/tools/tools.hpp
index 1d7cb11..6e80d6d 100644
--- a/src/tools/tools.hpp
+++ b/src/tools/tools.hpp
@@ -70,12 +70,12 @@ namespace zt {
         return;
     }
 
-    template <class ...Args>
-    inline void check_fstream_isopen(const Args&...args)noexcept(false){
-        bool is_open=true;
-        (((!args.is_open())?is_open=false:true),...);
-        if(is_open==false){
-            throw std::runtime_error("cannot open file stream ");
-        }
-    }
+    // template <class ...Args>
+    // inline void check_fstream_isopen(const Args&...args)noexcept(false){
+    //     bool is_open=true;
+    //     (((!args.is_open())?is_open=false:true),...);
+    //     if(is_open==false){
+    //         throw std::runtime_error("cannot open file stream ");
+    //     }
+    // }
 }
\ No newline at end of file