diff --git a/README.md b/README.md
index 4735ec5..bb3611b 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@
 ### 单目录 (root)
 |名称|路径|介绍|语言|
 |:---|:---|----|----|
+|README|README.md|自述文件|Markdown|
 |LAN++|./lanpp|一个跨平台的简易局域网文件传输工具|Python|
 |Plane Fighting|./plane_fighting|一个跨平台的简易"飞机大战"小游戏|Python|
 |Python HTTPS Server|./python_https_server|一个 HTTPS 网络服务器程序|Python|
@@ -15,6 +16,7 @@
 ### 单文件 (onefile)
 |文件名|介绍|语言|
 |----|----|----|
+|README|README.md|自述文件|Markdown|
 |file_reader.cpp|输出文件内容至终端|C++|
 |pause.cpp|按任意键继续|C++|
 |fastmaillib.py|开箱即用的 Python 邮件封装|Python|
diff --git a/onefile/fastmaillib.py b/onefile/fastmaillib.py
index 49d7794..c4c7bc5 100644
--- a/onefile/fastmaillib.py
+++ b/onefile/fastmaillib.py
@@ -1,11 +1,17 @@
 # fastmaillib.py
 # LICENSE: MIT
-# VERSION: v0.2
+# VERSION: v0.2.1
 """
+说明:
 更加方便地使用 Python 收邮件
 部分基于 Liao Xuefeng 的代码, 并进行了封装操作
 此代码为 Python 3.x 而设计, 但理论上兼容 Python 2.x(2.7)
 """
+"""
+日志:
+v0.2.3:
+    修复 Get.get 函数中 num 参数不可用问题
+"""
 
 import email, smtplib
 from email.mime.text import MIMEText
@@ -23,33 +29,33 @@ class Get:
             obj.pass_(password)
             return obj
         except Exception as e:
-            return False
+            return e
     def num(obj):
         """Get the number of messages on hand"""
         try:
             resp, mails, octets = obj.list()
             return len(mails)
         except Exception as e:
-            return False
+            return e
     def get(obj, num):
         """Get mail's content"""
         try:
             resp, mails, octets = obj.list()
             index = len(mails)
-            resp, lines, octets = obj.retr(index - 1) #
+            resp, lines, octets = obj.retr(num)
             message_content = b'\r\n'.join(lines).decode('utf-8')
             message = Parser().parsestr(message_content)
             info = Get.print_info(message)
             return info
         except Exception as e:
-            return False
+            return e
     def quit(obj):
         """Break connection"""
         try:
             obj.quit()
             return True
         except Exception as e:
-            return False
+            return e
     def print_info(msg, indent=0):
         """Convert mail object to content"""
         total = {}
@@ -64,9 +70,9 @@ class Get:
                         hdr, addr = parseaddr(value)
                         name = Get.decode_str(hdr)
                         value = u'%s <%s>' % (name, addr)
-                        total["name"] = name
-                        total["addr"] = addr
-                        # print(value)
+                        if not("name" in total):
+                            total["name"] = name
+                            total["addr"] = addr
         if msg.is_multipart():
             parts = msg.get_payload()
             for n, part in enumerate(parts):
@@ -94,4 +100,4 @@ class Get:
             pos = content_type.find('charset=')
             if pos >= 0:
                 charset = content_type[pos + 8:].strip()
-        return charset
+        return charset
\ No newline at end of file
diff --git a/onefile/file_reader.cpp b/onefile/file_reader.cpp
index ccb0c1a..f66fd76 100644
--- a/onefile/file_reader.cpp
+++ b/onefile/file_reader.cpp
@@ -1,5 +1,5 @@
 // file_reader.cpp
-// LICENSE: MIT
+// LICENSE: Nothing(do what ever you want!)
 #include <iostream>
 using namespace std;