diff --git a/templates/sender_tcp.py.tpl b/templates/sender_tcp.py.tpl
index ab5bb44..f42870c 100644
--- a/templates/sender_tcp.py.tpl
+++ b/templates/sender_tcp.py.tpl
@@ -7,6 +7,18 @@ import socket
 import time
 import logging
 import telnetlib
+import re
+
+
+def is_valid_hex(hex_str):
+    """检查字符串是否为有效的16进制格式（只包含0-9,a-f,A-F且长度为偶数）"""
+    if not hex_str:
+        return False
+    # 必须是偶数长度
+    if len(hex_str) % 2 != 0:
+        return False
+    # 只能包含16进制字符
+    return bool(re.match(r'^[0-9a-fA-F]+$', hex_str))
 
 
 def tcp_command_send(upc_addr, upc_command, data):
@@ -57,11 +69,21 @@ COMMAND_DEFINITIONS = {command_definitions}
 def upc_send_command(upc_addr, upc_command, log_file):
     """将命令发送给终端设备"""
     data = None
+    send_type = "unknown"
     
     # 查找指令定义
     if upc_command in COMMAND_DEFINITIONS:
-        hex_str = COMMAND_DEFINITIONS[upc_command]
-        data = bytes.fromhex(hex_str)
+        cmd_value = COMMAND_DEFINITIONS[upc_command]
+        # 判断是否为有效的16进制格式
+        if is_valid_hex(cmd_value):
+            data = bytes.fromhex(cmd_value)
+            send_type = "hex"
+            logging.debug(f"命令 '{{upc_command}}' 的值 '{{cmd_value}}' 识别为16进制格式")
+        else:
+            # 作为纯字符串发送
+            data = cmd_value.encode('utf-8')
+            send_type = "string"
+            logging.debug(f"命令 '{{upc_command}}' 的值 '{{cmd_value}}' 识别为字符串格式")
     
     if data is None:
         datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
@@ -73,7 +95,7 @@ def upc_send_command(upc_addr, upc_command, log_file):
         while i <= 3:  # 尝试发送3次
             if tcp_command_send(upc_addr, upc_command, data):
                 datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
-                logstr = f"{{datetime_str}} {{upc_command}}命令第{{i}}次发送成功"
+                logstr = f"{{datetime_str}} {{upc_command}}命令第{{i}}次发送成功 ({{send_type}})"
                 logging.info(logstr)
                 return
             else:
diff --git a/templates/sender_udp.py.tpl b/templates/sender_udp.py.tpl
index 7ea0a77..392cb0d 100644
--- a/templates/sender_udp.py.tpl
+++ b/templates/sender_udp.py.tpl
@@ -6,6 +6,18 @@ import sys
 import socket
 import time
 import logging
+import re
+
+
+def is_valid_hex(hex_str):
+    """检查字符串是否为有效的16进制格式（只包含0-9,a-f,A-F且长度为偶数）"""
+    if not hex_str:
+        return False
+    # 必须是偶数长度
+    if len(hex_str) % 2 != 0:
+        return False
+    # 只能包含16进制字符
+    return bool(re.match(r'^[0-9a-fA-F]+$', hex_str))
 
 
 def udp_command_send(upc_addr, upc_command, data, timeout=2):
@@ -59,11 +71,21 @@ COMMAND_DEFINITIONS = {command_definitions}
 def upc_send_command(upc_addr, upc_command, log_file):
     """将命令发送给终端设备"""
     data = None
+    send_type = "unknown"
     
     # 查找指令定义
     if upc_command in COMMAND_DEFINITIONS:
-        hex_str = COMMAND_DEFINITIONS[upc_command]
-        data = bytes.fromhex(hex_str)
+        cmd_value = COMMAND_DEFINITIONS[upc_command]
+        # 判断是否为有效的16进制格式
+        if is_valid_hex(cmd_value):
+            data = bytes.fromhex(cmd_value)
+            send_type = "hex"
+            logging.debug(f"命令 '{{upc_command}}' 的值 '{{cmd_value}}' 识别为16进制格式")
+        else:
+            # 作为纯字符串发送
+            data = cmd_value.encode('utf-8')
+            send_type = "string"
+            logging.debug(f"命令 '{{upc_command}}' 的值 '{{cmd_value}}' 识别为字符串格式")
     
     if data is None:
         datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
@@ -75,7 +97,7 @@ def upc_send_command(upc_addr, upc_command, log_file):
         while i <= 3:  # 尝试发送3次
             if udp_command_send(upc_addr, upc_command, data):
                 datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
-                logstr = f"{{datetime_str}} {{upc_command}}命令第{{i}}次发送成功"
+                logstr = f"{{datetime_str}} {{upc_command}}命令第{{i}}次发送成功 ({{send_type}})"
                 logging.info(logstr)
                 return
             else: