diff --git a/README.md b/README.md
index 4fa267e..2f39a11 100644
--- a/README.md
+++ b/README.md
@@ -41,16 +41,30 @@ TinySTL
 ###测试结果：
     //std::vector<int> vec;
     TinySTL::vector<int> vec;
-	   ProfilerInstance::start();
-	   int i = 0;
-	   for (; i != 10000; ++i){
-		   vec.push_back(i);
-	   }
-	   ProfilerInstance::finish();
-	   ProfilerInstance::dumpDuringTime();
+	ProfilerInstance::start();
+	int i = 0;
+	for (; i != 10000; ++i){
+		vec.push_back(i);
+	}
+	ProfilerInstance::finish();
+	ProfilerInstance::dumpDuringTime();
     
 ######i = 100000 -> (TinySTL::vector<int>：2ms \\ std::vector<int>：6ms)
 ######i = 1000000 -> (TinySTL::vector<int>：11ms \\ std::vector<int>：16ms)
-######i = 10000000 -> (TinySTL::vector<int>：129ms \\ std::vector<int>：210ms)
+######i = 10000000 -> (TinySTL::vector<int>：129ms \\ std::vector<int>：210ms)  
+    //std::vector<std::string> vec;
+    TinySTL::vector<std::string> vec;
+	ProfilerInstance::start();
+	int i = 0;
+	for (; i != 10000; ++i){
+		vec.push_back(std::string("zouxiaohang"));
+	}
+	ProfilerInstance::finish();
+	ProfilerInstance::dumpDuringTime();
+    
+######i = 100000 -> (TinySTL::vector<int>：18ms \\ std::vector<int>：29ms)
+######i = 1000000 -> (TinySTL::vector<int>：181ms \\ std::vector<int>：232ms)
+######i = 10000000 -> (TinySTL::vector<int>：2372ms \\ std::vector<int>：1972ms)
+