diff --git a/examples/auto_accept_friend_request.py b/examples/auto_accept_friend_request.py
index 1695f39..6af0f36 100644
--- a/examples/auto_accept_friend_request.py
+++ b/examples/auto_accept_friend_request.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 import sys
+import time
 import ntchat
 import xml.dom.minidom
 
@@ -24,9 +25,11 @@ def on_recv_text_msg(wechat_instance: ntchat.WeChat, message):
     wechat_instance.accept_friend_request(encryptusername, ticket, int(scene))
 
 
+# 以下是为了让程序不结束，如果有用于PyQt等有主循环消息的框架，可以去除下面代码
 try:
     while True:
-        pass
+        time.sleep(0.5)
 except KeyboardInterrupt:
     ntchat.exit_()
     sys.exit()
+
diff --git a/examples/echo_bot_msg_register.py b/examples/echo_bot_msg_register.py
index 41de497..6bd29ec 100644
--- a/examples/echo_bot_msg_register.py
+++ b/examples/echo_bot_msg_register.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 import sys
+import time
 import ntchat
 
 wechat = ntchat.WeChat()
@@ -22,9 +23,10 @@ def on_recv_text_msg(wechat_instance: ntchat.WeChat, message):
         wechat_instance.send_text(to_wxid=from_wxid, content=f"你发送的消息是: {data['msg']}")
 
 
+# 以下是为了让程序不结束，如果有用于PyQt等有主循环消息的框架，可以去除下面代码
 try:
     while True:
-        pass
+        time.sleep(0.5)
 except KeyboardInterrupt:
     ntchat.exit_()
     sys.exit()
diff --git a/examples/echo_bot_on.py b/examples/echo_bot_on.py
index 34be141..32ccf54 100644
--- a/examples/echo_bot_on.py
+++ b/examples/echo_bot_on.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 import sys
+import time
 import ntchat
 
 wechat = ntchat.WeChat()
@@ -22,9 +23,10 @@ def on_recv_text_msg(wechat_instance: ntchat.WeChat, message):
 # 监听接收文本消息
 wechat.on(ntchat.MT_RECV_TEXT_MSG, on_recv_text_msg)
 
+# 以下是为了让程序不结束，如果有用于PyQt等有主循环消息的框架，可以去除下面代码
 try:
     while True:
-        pass
+        time.sleep(0.5)
 except KeyboardInterrupt:
     ntchat.exit_()
     sys.exit()
diff --git a/examples/get_contacts.py b/examples/get_contacts.py
index 372ee30..7a6e1c1 100644
--- a/examples/get_contacts.py
+++ b/examples/get_contacts.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 import sys
+import time
 import ntchat
 
 wechat = ntchat.WeChat()
@@ -17,9 +18,11 @@ print("联系人列表: ")
 print(contacts)
 
 
+# 以下是为了让程序不结束，如果有用于PyQt等有主循环消息的框架，可以去除下面代码
 try:
     while True:
-        pass
+        time.sleep(0.5)
 except KeyboardInterrupt:
     ntchat.exit_()
     sys.exit()
+
diff --git a/examples/get_rooms.py b/examples/get_rooms.py
index 644f93d..f187f7c 100644
--- a/examples/get_rooms.py
+++ b/examples/get_rooms.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 import sys
+import time
 import ntchat
 
 wechat = ntchat.WeChat()
@@ -17,9 +18,11 @@ print("群列表: ")
 print(rooms)
 
 
+# 以下是为了让程序不结束，如果有用于PyQt等有主循环消息的框架，可以去除下面代码
 try:
     while True:
-        pass
+        time.sleep(0.5)
 except KeyboardInterrupt:
     ntchat.exit_()
     sys.exit()
+
diff --git a/examples/send_text.py b/examples/send_text.py
index 0f217dc..536aa3c 100644
--- a/examples/send_text.py
+++ b/examples/send_text.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 import sys
+import time
 import ntchat
 
 wechat = ntchat.WeChat()
@@ -13,12 +14,14 @@ wechat.wait_login()
 # 向文件助手发送一条消息
 wechat.send_text(to_wxid="filehelper", content="hello, filehelper")
 
+# 以下是为了让程序不结束，如果有用于PyQt等有主循环消息的框架，可以去除下面代码
 try:
     while True:
-        pass
+        time.sleep(0.5)
 except KeyboardInterrupt:
     ntchat.exit_()
     sys.exit()
 
 
 
+