diff --git a/network.py b/network.py
index 2d3372c..ea46c61 100644
--- a/network.py
+++ b/network.py
@@ -679,6 +679,128 @@ class NetworkManager:
             self.logger.error(f"[WIFI-TCP] 接收数据异常: {e}")
             return b""
 
+    def _upload_log_file(self, upload_url, wifi_ssid=None, wifi_password=None):
+        """上传日志文件到指定URL
+        
+        Args:
+            upload_url: 上传目标URL，例如 "https://example.com/upload/"
+            wifi_ssid: WiFi SSID（可选，如果未连接WiFi则尝试连接）
+            wifi_password: WiFi 密码（可选）
+        
+        Note:
+            该功能仅在 WiFi 连接时可用，4G 网络暂不支持文件上传
+        """
+        import requests
+        import shutil
+        from datetime import datetime
+        
+        try:
+            # 检查 WiFi 连接状态，如果未连接则尝试连接
+            if not self.is_wifi_connected():
+                if wifi_ssid and wifi_password:
+                    self.logger.info(f"[LOG_UPLOAD] WiFi 未连接，尝试连接 WiFi: {wifi_ssid}")
+                    self.safe_enqueue({"result": "log_upload_connecting_wifi", "ssid": wifi_ssid}, 2)
+                    
+                    ip, error = self.connect_wifi(wifi_ssid, wifi_password)
+                    if error:
+                        self.logger.error(f"[LOG_UPLOAD] WiFi 连接失败: {error}")
+                        self.safe_enqueue({
+                            "result": "log_upload_failed",
+                            "reason": "wifi_connect_failed",
+                            "detail": error
+                        }, 2)
+                        return
+                    
+                    self.logger.info(f"[LOG_UPLOAD] WiFi 连接成功，IP: {ip}")
+                else:
+                    self.logger.warning("[LOG_UPLOAD] WiFi 未连接且未提供 WiFi 凭证，无法上传日志")
+                    self.safe_enqueue({
+                        "result": "log_upload_failed",
+                        "reason": "wifi_not_connected",
+                        "detail": "WiFi not connected and no credentials provided"
+                    }, 2)
+                    return
+            else:
+                self.logger.info("[LOG_UPLOAD] WiFi 已连接，跳过连接步骤")
+            
+            self.logger.info(f"[LOG_UPLOAD] 开始上传日志文件...")
+            
+            # 获取日志文件路径
+            log_file_path = config.LOG_FILE  # /maixapp/apps/t11/app.log
+            
+            if not os.path.exists(log_file_path):
+                self.logger.error(f"[LOG_UPLOAD] 日志文件不存在: {log_file_path}")
+                self.safe_enqueue({"result": "log_upload_failed", "reason": "log_file_not_found"}, 2)
+                return
+            
+            # 生成带时间戳的文件名
+            # 格式: app_20260131_143025_d19566161359c372.log
+            timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+            device_id = self._device_id or "unknown"
+            new_filename = f"app_{timestamp}_{device_id}.log"
+            
+            # 创建临时文件（带时间戳的名字）
+            temp_dir = "/tmp"
+            temp_file_path = os.path.join(temp_dir, new_filename)
+            
+            # 复制日志文件到临时位置
+            shutil.copy2(log_file_path, temp_file_path)
+            self.logger.info(f"[LOG_UPLOAD] 日志文件已复制到: {temp_file_path}")
+            
+            # 使用 multipart/form-data 上传文件
+            with open(temp_file_path, 'rb') as f:
+                files = {'file': (new_filename, f, 'text/plain')}
+                
+                # 添加额外的头部信息
+                headers = {
+                    'User-Agent': 'Archery-Device/1.0',
+                    'X-Device-ID': device_id,
+                }
+                
+                # 如果是 ngrok-free.dev，添加绕过警告页面的头
+                if 'ngrok-free.dev' in upload_url or 'ngrok.io' in upload_url:
+                    headers['ngrok-skip-browser-warning'] = 'true'
+                
+                self.logger.info(f"[LOG_UPLOAD] 正在上传到: {upload_url}")
+                
+                # 禁用 SSL 警告（用于自签名证书或 SSL 兼容性问题）
+                import urllib3
+                urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
+                
+                # 发送请求，verify=False 跳过 SSL 证书验证（解决 MaixCAM SSL 兼容性问题）
+                response = requests.post(upload_url, files=files, headers=headers, timeout=60, verify=False)
+                
+                if response.status_code in (200, 201, 204):
+                    self.logger.info(f"[LOG_UPLOAD] 上传成功! 状态码: {response.status_code}")
+                    self.safe_enqueue({
+                        "result": "log_upload_ok",
+                        "filename": new_filename,
+                        "status_code": response.status_code
+                    }, 2)
+                else:
+                    self.logger.error(f"[LOG_UPLOAD] 上传失败! 状态码: {response.status_code}, 响应: {response.text[:200]}")
+                    self.safe_enqueue({
+                        "result": "log_upload_failed",
+                        "reason": f"http_{response.status_code}",
+                        "detail": response.text[:100]
+                    }, 2)
+            
+            # 清理临时文件
+            try:
+                os.remove(temp_file_path)
+                self.logger.debug(f"[LOG_UPLOAD] 临时文件已删除: {temp_file_path}")
+            except Exception as e:
+                self.logger.warning(f"[LOG_UPLOAD] 删除临时文件失败: {e}")
+                
+        except requests.exceptions.Timeout:
+            self.logger.error("[LOG_UPLOAD] 上传超时")
+            self.safe_enqueue({"result": "log_upload_failed", "reason": "timeout"}, 2)
+        except requests.exceptions.ConnectionError as e:
+            self.logger.error(f"[LOG_UPLOAD] 连接失败: {e}")
+            self.safe_enqueue({"result": "log_upload_failed", "reason": "connection_error"}, 2)
+        except Exception as e:
+            self.logger.error(f"[LOG_UPLOAD] 上传异常: {e}")
+            self.safe_enqueue({"result": "log_upload_failed", "reason": str(e)[:100]}, 2)
 
     def generate_token(self, device_id):
         """生成用于 HTTP 接口鉴权的 Token（HMAC-SHA256）"""
@@ -970,6 +1092,21 @@ class NetworkManager:
                                 time.sleep_ms(2000)
                                 os.system("poweroff")
                                 return
+                            elif inner_cmd == 43:  # 上传日志命令
+                                # 格式: {"cmd":43, "data":{"ssid":"xxx","password":"xxx","url":"xxx"}}
+                                inner_data = data_obj.get("data", {})
+                                upload_url = inner_data.get("url")
+                                wifi_ssid = inner_data.get("ssid")
+                                wifi_password = inner_data.get("password")
+                                
+                                if not upload_url:
+                                    self.logger.error("[LOG_UPLOAD] 缺少 url 参数")
+                                    self.safe_enqueue({"result": "log_upload_failed", "reason": "missing_url"}, 2)
+                                else:
+                                    self.logger.info(f"[LOG_UPLOAD] 收到日志上传命令，目标URL: {upload_url}")
+                                    # 在新线程中执行上传，避免阻塞主循环
+                                    import _thread
+                                    _thread.start_new_thread(self._upload_log_file, (upload_url, wifi_ssid, wifi_password))
                     else:
                         time.sleep_ms(5)
 
diff --git a/version.py b/version.py
index 26d787c..8defd66 100644
--- a/version.py
+++ b/version.py
@@ -4,11 +4,14 @@
 应用版本号
 每次 OTA 更新时，只需要更新这个文件中的版本号
 """
-VERSION = '1.2.1'
+VERSION = '1.2.3'
 
 # 1.2.0 开始使用C++编译成.so，替换部分代码
 # 1.2.1 ota使用加密包
 # 1.2.2 支持wifi ota，并且设定时区，并使用单独线程保存图片
+# 1.2.3 修改ADC_TRIGGER_THRESHOLD 为2300，支持上传日志到服务器
+
+