diff --git a/ReadMe.txt b/ReadMe.txt
index e47737d..90cb4fd 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -120,5 +120,7 @@
     添加huffman压缩编码,已完成编码,未验证
 2023.12.9
     删除huffman相关，分析工具不过滤异常数据
+2023.12.13
+    解决关闭dhcp时崩溃的问题，解决关闭软件时dhcp线程未退出的问题
 
 
diff --git a/coder_2ch/prottcp.py b/coder_2ch/prottcp.py
index 3178bfa..f3ea2b3 100644
--- a/coder_2ch/prottcp.py
+++ b/coder_2ch/prottcp.py
@@ -489,6 +489,9 @@ if __name__ == "__main__":
     # data=bytearray([0x01,100,0])
     # data=bytearray([0x02]) # 上升
     # data=bytearray([0x03]) # 下降
+    # 直接测量
+    u.cmd=0x44
+    data=bytearray([5])
 
     print(u.encode(data).hex(' '))
     # with open("file/EX_Coder_Test_2023-07-6.json","rb") as f:
@@ -511,5 +514,6 @@ if __name__ == "__main__":
 # 59 6d 03 00 30 00 00 60 0f
 # 结束应答
 # 59 6D 03 00 31 00 00 31 CF
-
+# 直接检测
+# 59 6d 04 00 44 00 00 05 d5 6c
 
diff --git a/updata/updata_ssh.py b/updata/updata_ssh.py
index 2acd41b..0af4639 100644
--- a/updata/updata_ssh.py
+++ b/updata/updata_ssh.py
@@ -160,6 +160,8 @@ class updata_dlg(QWidget):
         if(self.udp is not None):
             print("close udp thread")
             self.udp.close()
+        if(self.dhcp_server is not None):
+            self.dhcp_server.close()
 
         # 初始化文件列表
     def file_list_init(self):
@@ -546,7 +548,7 @@ class updata_dlg(QWidget):
             self.dhcp_server.run_in_thread()
         else:
             self.dhcp_but.setEnabled(False)
-            self.dhcp_server.new_ip_addr_signal.disconnect(dlg.add_slave_slot)
+            self.dhcp_server.new_ip_addr_signal.disconnect(self.add_slave_slot)
             self.dhcp_server.close()
     def dhcp_start_slot(self):
             self.dhcp_but.setText("关闭DHCP")