diff --git a/cmake-build-debug/.ninja_deps b/cmake-build-debug/.ninja_deps
index dce7b24..98cc5ff 100644
Binary files a/cmake-build-debug/.ninja_deps and b/cmake-build-debug/.ninja_deps differ
diff --git a/cmake-build-debug/.ninja_log b/cmake-build-debug/.ninja_log
index 77819ff..acbd072 100644
--- a/cmake-build-debug/.ninja_log
+++ b/cmake-build-debug/.ninja_log
@@ -19,3 +19,5 @@
 180	229	1664115743542209642	MSTL	5fce564c316cd3aa
 0	181	1664115749406173515	CMakeFiles/MSTL.dir/main.cpp.o	134556d569115d52
 181	230	1664115749454173219	MSTL	5fce564c316cd3aa
+1	192	1664116226535223733	CMakeFiles/MSTL.dir/main.cpp.o	134556d569115d52
+192	243	1664116226587223410	MSTL	5fce564c316cd3aa
diff --git a/cmake-build-debug/CMakeFiles/MSTL.dir/main.cpp.o b/cmake-build-debug/CMakeFiles/MSTL.dir/main.cpp.o
index 210a3c8..fec3019 100644
Binary files a/cmake-build-debug/CMakeFiles/MSTL.dir/main.cpp.o and b/cmake-build-debug/CMakeFiles/MSTL.dir/main.cpp.o differ
diff --git a/cmake-build-debug/MSTL b/cmake-build-debug/MSTL
index 506a0ed..a130e4a 100755
Binary files a/cmake-build-debug/MSTL and b/cmake-build-debug/MSTL differ
diff --git a/cmake-build-debug/Testing/Temporary/LastTest.log b/cmake-build-debug/Testing/Temporary/LastTest.log
index 58c6b12..9364158 100644
--- a/cmake-build-debug/Testing/Temporary/LastTest.log
+++ b/cmake-build-debug/Testing/Temporary/LastTest.log
@@ -1,3 +1,3 @@
-Start testing: Sep 25 22:22 CST
+Start testing: Sep 25 22:30 CST
 ----------------------------------------------------------
-End testing: Sep 25 22:22 CST
+End testing: Sep 25 22:30 CST
diff --git a/main.cpp b/main.cpp
index 30ab2ff..73f83ab 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,12 +1,13 @@
 #include <iostream>
 #include "h/LinkList.h"
+#include "h/String.h"
 
 int main() {
-    Link *link = new Link;
-    link->add(6);
-    link->add(7);
-    link->add(8);
-    auto begin = link->begin();
-    std::cout << ++begin->data << std::endl;
+    String string("123456");
+    // 赋值 重载函数 返回了 *this
+    // 这使得以 目的值具有 对象的this
+    // 更改的值 不在函数内  而是申请的堆中
+    String str = string;
+    std::cout << str.get_c_str() << std::endl;
     return 0;
 }