diff --git a/general/src/utils.cpp b/general/src/utils.cpp
index 8c4c87b..108e515 100644
--- a/general/src/utils.cpp
+++ b/general/src/utils.cpp
@@ -61,8 +61,6 @@ inline ENV_COMPILER CurrentEnvCompiler()
     return UNKNOWN;
 }
 
-
-
 // 限制float有效位
 float LimitFloat(float in,int size) {
 	uint64_t tmp =  1;
diff --git a/test/src/cpp11/template.cpp b/test/src/cpp11/template.cpp
index f72f447..57838db 100644
--- a/test/src/cpp11/template.cpp
+++ b/test/src/cpp11/template.cpp
@@ -9,8 +9,14 @@
 #include "iostream"
 #include <vector>
 #include "pattern/ringbuffer.hpp"
+#include <tuple>
+
 using namespace std;
 
+std::tuple<int,std::string> ReturnMoreData(){
+    return std::tuple<int,std::string> (1,"sss");
+}
+
 void clearBuffer(int *dat,int len){
     for(int i = 0;i < len;i++){
         dat[i] = 0;
@@ -94,6 +100,8 @@ void TestRingBuffer(){
 }
 
 int main() {
+    auto x = ReturnMoreData();
+    std::cout<<"x first is "<<std::get<0>(x) << std::get<1>(x)<<std::endl;
     std::cout<<"main"<<std::endl;
     TestRingBuffer();
 }
\ No newline at end of file