diff --git a/.README.md.un~ b/.README.md.un~
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diff --git a/README.md b/README.md
index 8dd4fc9..4784ccf 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@
 - [explicit 那些事](./basic_content/explicit)
 - [friend 那些事](./basic_content/friend)
 - [using 那些事](./basic_content/using)
-- [:: 那些事](./basic_content/::)
+- [:: 那些事](./basic_content/maohao)
 - [enum 那些事](./basic_content/enum)
 - [decltype 那些事](./basic_content/decltype)
 - [引用与指针那些事](./basic_content/pointer_refer)
diff --git a/README.md~ b/README.md~
index abd2e38..8dd4fc9 100644
--- a/README.md~
+++ b/README.md~
@@ -267,7 +267,7 @@ map<int, int> mp{
     <tr>
       <th align="center" style="width: 80px;">
         <a href="https://github.com/Light-City">
-          <img src="https://avatars2.githubusercontent.com/u/25699850?s=460&v=4" style="width: 50px;"><br>
+          <img src="https://avatars2.githubusercontent.com/u/25699850?s=50&v=4" style="width: 50px;"><br>
           <sub>Francis</sub>
         </a><br>
       </th>
diff --git a/basic_content/::/:: b/basic_content/::/::
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index da06a11..0000000
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diff --git a/basic_content/maohao/README.md b/basic_content/maohao/README.md
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--- /dev/null
+++ b/basic_content/maohao/README.md
@@ -0,0 +1,14 @@
+# :: 范围解析运算符那些事
+
+## 关于作者：
+
+个人公众号：
+
+![](../img/wechat.jpg)
+
+- 全局作用域符（::name）：用于类型名称（类、类成员、成员函数、变量等）前，表示作用域为全局命名空间
+- 类作用域符（class::name）：用于表示指定类型的作用域范围是具体某个类的
+- 命名空间作用域符（namespace::name）:用于表示指定类型的作用域范围是具体某个命名空间的
+
+具体代码见：[maohao.cpp](maohao.cpp)
+
diff --git a/basic_content/::/README.md b/basic_content/maohao/README.md~
similarity index 100%
rename from basic_content/::/README.md
rename to basic_content/maohao/README.md~
diff --git a/basic_content/::/::.cpp b/basic_content/maohao/maohao.cpp
similarity index 100%
rename from basic_content/::/::.cpp
rename to basic_content/maohao/maohao.cpp