diff --git a/include/xy.h b/include/xy.h
index 7ad3d6b..1c3f8ba 100644
--- a/include/xy.h
+++ b/include/xy.h
@@ -17,8 +17,8 @@
 #ifndef XY_H
 #define XY_H
 
-#define XY_Version      "v0.1.2-2024/06/11"
-#define XY_Maintain_URL "https://gitee.com/RubyMetric/chsrc/blob/main/xy.h"
+#define _XY_Version      "v0.1.2-2024/06/11"
+#define _XY_Maintain_URL "https://gitee.com/RubyMetric/chsrc/blob/main/xy.h"
 
 #include <assert.h>
 #include <stdarg.h>
@@ -220,34 +220,34 @@ xy_strdup (const char *str)
   return new;
 }
 
-#define XY_Str_Bold      1
-#define XY_Str_Faint     2
-#define XY_Str_Italic    3
-#define XY_Str_Underline 4
-#define XY_Str_Blink     5
-#define XY_Str_Cross     9
+#define _XY_Str_Bold      1
+#define _XY_Str_Faint     2
+#define _XY_Str_Italic    3
+#define _XY_Str_Underline 4
+#define _XY_Str_Blink     5
+#define _XY_Str_Cross     9
 
-#define xy_str_to_bold(str)      _xy_str_to_terminal_style (XY_Str_Bold, str)
-#define xy_str_to_faint(str)     _xy_str_to_terminal_style (XY_Str_Faint, str)
-#define xy_str_to_italic(str)    _xy_str_to_terminal_style (XY_Str_Italic, str)
-#define xy_str_to_underline(str) _xy_str_to_terminal_style (XY_Str_Underline, str)
-#define xy_str_to_blink(str)     _xy_str_to_terminal_style (XY_Str_Blink, str)
-#define xy_str_to_cross(str)     _xy_str_to_terminal_style (XY_Str_Cross, str)
+#define xy_str_to_bold(str)      _xy_str_to_terminal_style (_XY_Str_Bold, str)
+#define xy_str_to_faint(str)     _xy_str_to_terminal_style (_XY_Str_Faint, str)
+#define xy_str_to_italic(str)    _xy_str_to_terminal_style (_XY_Str_Italic, str)
+#define xy_str_to_underline(str) _xy_str_to_terminal_style (_XY_Str_Underline, str)
+#define xy_str_to_blink(str)     _xy_str_to_terminal_style (_XY_Str_Blink, str)
+#define xy_str_to_cross(str)     _xy_str_to_terminal_style (_XY_Str_Cross, str)
 
-#define XY_Str_Red     31
-#define XY_Str_Green   32
-#define XY_Str_Yellow  33
-#define XY_Str_Blue    34
-#define XY_Str_Magenta 35
-#define XY_Str_Cyan    36
+#define _XY_Str_Red     31
+#define _XY_Str_Green   32
+#define _XY_Str_Yellow  33
+#define _XY_Str_Blue    34
+#define _XY_Str_Magenta 35
+#define _XY_Str_Cyan    36
 
-#define xy_str_to_red(str)     _xy_str_to_terminal_style (XY_Str_Red, str)
-#define xy_str_to_green(str)   _xy_str_to_terminal_style (XY_Str_Green, str)
-#define xy_str_to_yellow(str)  _xy_str_to_terminal_style (XY_Str_Yellow, str)
-#define xy_str_to_blue(str)    _xy_str_to_terminal_style (XY_Str_Blue, str)
-#define xy_str_to_magenta(str) _xy_str_to_terminal_style (XY_Str_Magenta, str)
+#define xy_str_to_red(str)     _xy_str_to_terminal_style (_XY_Str_Red, str)
+#define xy_str_to_green(str)   _xy_str_to_terminal_style (_XY_Str_Green, str)
+#define xy_str_to_yellow(str)  _xy_str_to_terminal_style (_XY_Str_Yellow, str)
+#define xy_str_to_blue(str)    _xy_str_to_terminal_style (_XY_Str_Blue, str)
+#define xy_str_to_magenta(str) _xy_str_to_terminal_style (_XY_Str_Magenta, str)
 #define xy_str_to_purple        xy_str_to_magenta
-#define xy_str_to_cyan(str)    _xy_str_to_terminal_style (XY_Str_Cyan, str)
+#define xy_str_to_cyan(str)    _xy_str_to_terminal_style (_XY_Str_Cyan, str)
 
 static char *
 _xy_str_to_terminal_style (int style, const char *str)
@@ -256,29 +256,29 @@ _xy_str_to_terminal_style (int style, const char *str)
 
   switch (style)
     {
-    case XY_Str_Red:
+    case _XY_Str_Red:
       color_fmt_str = "\e[31m%s\e[0m"; break;
-    case XY_Str_Green:
+    case _XY_Str_Green:
       color_fmt_str = "\e[32m%s\e[0m"; break;
-    case XY_Str_Yellow:
+    case _XY_Str_Yellow:
       color_fmt_str = "\e[33m%s\e[0m"; break;
-    case XY_Str_Blue:
+    case _XY_Str_Blue:
       color_fmt_str = "\e[34m%s\e[0m"; break;
-    case XY_Str_Magenta:
+    case _XY_Str_Magenta:
       color_fmt_str = "\e[35m%s\e[0m"; break;
-    case XY_Str_Cyan:
+    case _XY_Str_Cyan:
       color_fmt_str = "\e[36m%s\e[0m"; break;
-    case XY_Str_Bold:
+    case _XY_Str_Bold:
       color_fmt_str = "\e[1m%s\e[0m"; break;
-    case XY_Str_Faint:
+    case _XY_Str_Faint:
       color_fmt_str = "\e[2m%s\e[0m"; break;
-    case XY_Str_Italic:
+    case _XY_Str_Italic:
       color_fmt_str = "\e[3m%s\e[0m"; break;
-    case XY_Str_Underline:
+    case _XY_Str_Underline:
       color_fmt_str = "\e[4m%s\e[0m"; break;
-    case XY_Str_Blink:
+    case _XY_Str_Blink:
       color_fmt_str = "\e[5m%s\e[0m"; break;
-    case XY_Str_Cross:
+    case _XY_Str_Cross:
       color_fmt_str = "\e[9m%s\e[0m"; break;
     }
 
@@ -414,17 +414,17 @@ xy_str_strip (const char *str)
  *                      Logging
  ******************************************************/
 
-#define XY_Log_Plain   000000001
-#define XY_Log_Success 000000001 << 1
-#define XY_Log_Info    000000001 << 2
-#define XY_Log_Warn    000000001 << 3
-#define XY_Log_Error   000000001 << 4
+#define _XY_Log_Plain   000000001
+#define _XY_Log_Success 000000001 << 1
+#define _XY_Log_Info    000000001 << 2
+#define _XY_Log_Warn    000000001 << 3
+#define _XY_Log_Error   000000001 << 4
 
-#define xy_log(prompt, str)  _xy_log (XY_Log_Plain,   prompt, str)
-#define xy_succ(prompt,str)  _xy_log (XY_Log_Success, prompt, str)
-#define xy_info(prompt,str)  _xy_log (XY_Log_Info,    prompt, str)
-#define xy_warn(prompt,str)  _xy_log (XY_Log_Warn,    prompt, str)
-#define xy_error(prompt,str) _xy_log (XY_Log_Error,   prompt, str)
+#define xy_log(prompt, str)  _xy_log (_XY_Log_Plain,   prompt, str)
+#define xy_succ(prompt,str)  _xy_log (_XY_Log_Success, prompt, str)
+#define xy_info(prompt,str)  _xy_log (_XY_Log_Info,    prompt, str)
+#define xy_warn(prompt,str)  _xy_log (_XY_Log_Warn,    prompt, str)
+#define xy_error(prompt,str) _xy_log (_XY_Log_Error,   prompt, str)
 
 static void
 _xy_log (int level, const char *prompt, const char *content)
@@ -436,24 +436,24 @@ _xy_log (int level, const char *prompt, const char *content)
   /**
    * 'app: content'
    */
-  if (level & XY_Log_Plain)
+  if (level & _XY_Log_Plain)
     {
       str = xy_strjoin (3, prompt,  ": ", content);
     }
-  else if (level & XY_Log_Success)
+  else if (level & _XY_Log_Success)
     {
       str = xy_strjoin (3, prompt,  ": ", xy_str_to_green (content));
     }
-  else if (level & XY_Log_Info)
+  else if (level & _XY_Log_Info)
     {
       str = xy_strjoin (3, prompt,  ": ", xy_str_to_blue (content));
     }
-  else if (level & XY_Log_Warn)
+  else if (level & _XY_Log_Warn)
     {
       str = xy_strjoin (3, prompt,  ": ", xy_str_to_yellow (content));
       to_stderr = true;
     }
-  else if (level & XY_Log_Error)
+  else if (level & _XY_Log_Error)
     {
       str = xy_strjoin (3, prompt,  ": ", xy_str_to_red (content));
       to_stderr = true;
@@ -478,11 +478,11 @@ _xy_log (int level, const char *prompt, const char *content)
 /**
  * remarkably 系列输出受 pip 启发，为了输出方便，使用xy.h的程序应该基于此再定义自己的 app_info_remarkbaly()
  */
-#define xy_log_remarkably(prompt1,prompt2,content)   _xy_log_remarkably(XY_Log_Plain,  prompt1,prompt2,content)
-#define xy_succ_remarkably(prompt1,prompt2,content)  _xy_log_remarkably(XY_Log_Success,prompt1,prompt2,content)
-#define xy_info_remarkably(prompt1,prompt2,content)  _xy_log_remarkably(XY_Log_Info,   prompt1,prompt2,content)
-#define xy_warn_remarkably(prompt1,prompt2,content)  _xy_log_remarkably(XY_Log_Warn,   prompt1,prompt2,content)
-#define xy_error_remarkably(prompt1,prompt2,content) _xy_log_remarkably(XY_Log_Error,  prompt1,prompt2,content)
+#define xy_log_remarkably(prompt1,prompt2,content)   _xy_log_remarkably(_XY_Log_Plain,  prompt1,prompt2,content)
+#define xy_succ_remarkably(prompt1,prompt2,content)  _xy_log_remarkably(_XY_Log_Success,prompt1,prompt2,content)
+#define xy_info_remarkably(prompt1,prompt2,content)  _xy_log_remarkably(_XY_Log_Info,   prompt1,prompt2,content)
+#define xy_warn_remarkably(prompt1,prompt2,content)  _xy_log_remarkably(_XY_Log_Warn,   prompt1,prompt2,content)
+#define xy_error_remarkably(prompt1,prompt2,content) _xy_log_remarkably(_XY_Log_Error,  prompt1,prompt2,content)
 
 static void
 _xy_log_remarkably (int level, const char *prompt1, const char *prompt2, const char *content)
@@ -491,17 +491,17 @@ _xy_log_remarkably (int level, const char *prompt1, const char *prompt2, const c
 
   bool to_stderr = false;
 
-  if (level & XY_Log_Plain)
+  if (level & _XY_Log_Plain)
     {
       str = xy_strjoin (6, "[", prompt1, " ", prompt2, "] ", content);
     }
-  else if (level & XY_Log_Success)
+  else if (level & _XY_Log_Success)
     {
       /* [app 成功]  [app success] */
       str = xy_strjoin (6,
         "[", xy_str_to_green (prompt1), " ", xy_str_to_bold (xy_str_to_green (prompt2)), "] ", xy_str_to_green (content));
     }
-  else if (level & XY_Log_Info)
+  else if (level & _XY_Log_Info)
     {
       /* [app 信息]  [app info]
          [app 提示]  [app notice]
@@ -509,14 +509,14 @@ _xy_log_remarkably (int level, const char *prompt1, const char *prompt2, const c
       str = xy_strjoin (6,
         "[", xy_str_to_blue (prompt1), " ", xy_str_to_bold (xy_str_to_blue (prompt2)), "] ", xy_str_to_blue (content));
     }
-  else if (level & XY_Log_Warn)
+  else if (level & _XY_Log_Warn)
     {
       /* [app 警告]  [app warn] */
       str = xy_strjoin (6,
         "[", xy_str_to_yellow (prompt1), " ", xy_str_to_bold (xy_str_to_yellow (prompt2)), "] ", xy_str_to_yellow (content));
       to_stderr = true;
     }
-  else if (level & XY_Log_Error)
+  else if (level & _XY_Log_Error)
     {
       /* [app 错误]  [app error] */
       str = xy_strjoin (6,