diff --git a/README.md b/README.md
index eba22a9..b1fa00b 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 <div align="center">
-  <img alt="chsrc logo" src="image/chsrc.png"/>
+  <img alt="chsrc logo" src="doc/image/chsrc.png"/>
 </div>
 
 全平台通用换源工具与框架 `chsrc`，**目标支持 Linux, Windows (MSYS2, Cygwin), macOS, BSD 等尽可能多的操作系统环境，龙芯、飞腾、RISC-V 等尽可能多的 CPU**。
@@ -39,9 +39,11 @@
 
 可参与的任务与挑战：
 
-1. [提供默认源地址，如Maven等的默认源URL，帮助我们进行 `chsrc reset`](https://github.com/RubyMetric/chsrc/issues/111)
+1. [Shell auto-completion 终端命令自动补全](https://github.com/RubyMetric/chsrc/issues/204)
 
-2. [CentOS (Stream) Recipe](https://github.com/RubyMetric/chsrc/issues/48)
+2. [搜集默认源地址，帮助使用 `reset` 功能](https://github.com/RubyMetric/chsrc/issues/111)
+
+3. [搜集测速地址，帮助使用 `measure` 功能](https://github.com/RubyMetric/chsrc/issues/205)
 
 <br>
 
@@ -84,7 +86,7 @@
 ## 📌 示例
 
 <div align="center">
-  <img alt="chsrc set node" src="image/example-set-nodejs.png"/>
+  <img alt="chsrc set node" src="doc/image/example-set-nodejs.png"/>
 </div>
 
 <br>
diff --git a/image/chsrc.png b/doc/image/chsrc.png
similarity index 100%
rename from image/chsrc.png
rename to doc/image/chsrc.png
diff --git a/image/example-ls-ruby.png b/doc/image/example-ls-ruby.png
similarity index 100%
rename from image/example-ls-ruby.png
rename to doc/image/example-ls-ruby.png
diff --git a/image/example-set-nodejs.png b/doc/image/example-set-nodejs.png
similarity index 100%
rename from image/example-set-nodejs.png
rename to doc/image/example-set-nodejs.png
diff --git a/image/example-set-ruby.png b/doc/image/example-set-ruby.png
similarity index 100%
rename from image/example-set-ruby.png
rename to doc/image/example-set-ruby.png
diff --git a/src/recipe/lang/Python/common.h b/src/recipe/lang/Python/common.h
index aef71a3..9daa5f7 100644
--- a/src/recipe/lang/Python/common.h
+++ b/src/recipe/lang/Python/common.h
@@ -7,7 +7,7 @@
  *                |
  * Created On     : <2023-09-03>
  * Major Revision :      1
- * Last Modified  : <2024-12-11>
+ * Last Modified  : <2025-06-12>
  * ------------------------------------------------------------*/
 
 static SourceProvider_t pl_python_pypi_upstream =
@@ -17,12 +17,13 @@ static SourceProvider_t pl_python_pypi_upstream =
 };
 
 /**
- * @update 2024-12-08
- * @note 不要添加Zju，浙大的pypi在校外访问会自动转向Tuna
+ * @update 2025-06-12
+ * @note 不要添加Zju，浙大的PyPI服务在校外访问会自动转向Tuna
  */
 static Source_t pl_python_sources[] =
 {
-  {&pl_python_pypi_upstream ,   "https://pypi.org/simple"},
+  {&pl_python_pypi_upstream,   "https://pypi.org/simple"},
+  {&MirrorZ,          "https://mirrors.cernet.edu.cn/pypi/web/simple"},
   {&Bfsu,             "https://mirrors.bfsu.edu.cn/pypi/web/simple"},
   {&Lzuoss,           "https://mirror.lzu.edu.cn/pypi/web/simple"},
   {&Jlu,              "https://mirrors.jlu.edu.cn/pypi/web/simple"},
@@ -58,15 +59,18 @@ pl_python_get_py_program_name (char **prog_name)
 
   bool py_exist = false;
 
-  // 由于Python2和Python3的历史，目前（2024-06）许多python命令实际上仍然是python2
-  // https://gitee.com/RubyMetric/chsrc/issues/I9VZL2
-  // 因此我们首先测试 python3
+  /**
+   * @issue https://gitee.com/RubyMetric/chsrc/issues/I9VZL2
+   *
+   * 由于Python2和Python3的历史，目前（2024-06）许多python命令实际上仍然是python2
+   * 因此我们首先测试 python3
+   */
   py_exist = chsrc_check_program ("python3");
 
   if (py_exist) *prog_name = "python3";
   else
     {
-      // 不要调用 python 自己，而是使用 python --version，避免Windows弹出Microsoft Store
+      /* 不要调用 python 自己，而是使用 python --version，避免Windows弹出Microsoft Store */
       py_exist = chsrc_check_program ("python");
 
       if (py_exist) *prog_name = "python";