diff --git a/python/hfc/hfc.py b/python/hfc/hfc.py
index a63bf70..7e03cc6 100644
--- a/python/hfc/hfc.py
+++ b/python/hfc/hfc.py
@@ -111,11 +111,8 @@ class ModbusGasAnalyzer:
         self.test_time_entry = tk.Entry(left_frame, font=('Arial', 12), width=20)
         self.test_time_entry.grid(row=1, column=1, sticky='ew', pady=10)
         # 自动填入当前时间，但如果已有信息则保留
-        if self.user_info["测试时间"]:
-            self.test_time_entry.insert(0, self.user_info["测试时间"])
-        else:
-            current_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
-            self.test_time_entry.insert(0, current_time)
+        current_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+        self.test_time_entry.insert(0, current_time)
         
         # 样品信息
         tk.Label(left_frame, text="样品信息:", font=('Arial', 12), bg=self.custom_blue).grid(row=2, column=0, sticky='w', pady=10, padx=(30, 20))
@@ -329,6 +326,8 @@ class ModbusGasAnalyzer:
         tk.Button(button_frame, text="退出", font=('Arial', 12),
                  command=self.root.quit, bg='red', fg='white').pack(side='right', padx=20)
         
+        # 自动通过MQTT上传到云
+        self.auto_upload_mqtt_start()
         # 自动保存报告
         self.save_report()
     
@@ -796,6 +795,66 @@ class ModbusGasAnalyzer:
             print(f"MQTT断开错误: {e}")
             return
 
+    def auto_upload_mqtt_start(self):
+        # 将数据通过MQTT上传到服务器
+        print(f"自动开始上传到MQTT");
+        """连接MQTT服务器"""
+        try:
+            self.mqtt_client = mqtt.Client()
+            self.mqtt_client.username_pw_set(
+                self.mqtt_info["用户名"],
+                self.mqtt_info["密码"]
+            )
+            def on_connect(client, userdata, flags, rc):
+                if rc == 0:
+                    print(f"自动上传MQTT连接成功: {rc}")
+                else:
+                    print(f"自动上传MQTT连接失败: {rc}")
+                    return
+            self.mqtt_client.on_connect = on_connect
+            self.mqtt_client.connect(
+                self.mqtt_info["服务器地址"],
+                int(self.mqtt_info["端口号"]),
+                1
+            )
+            self.mqtt_client.loop_start()
+        except ValueError as e:
+            # 处理端口号转换错误
+            print(f"自动上传的端口号必须是数字: {str(e)}")
+            return
+        except Exception as e:
+            print(f"自动上传MQTT连接错误: {str(e)}")
+            return
+        """整理MQTT数据"""
+        mqtt_payload = []
+        for key, value in self.user_info.items():
+            mqtt_payload.append(f"{key}: {value}")
+        mqtt_payload.append(f"浓度: {max(0.0, min(self.show_concentration, 99.990)):.3f}%")
+        """上传数据到MQTT"""
+        try:
+            if self.mqtt_client:
+                result = self.mqtt_client.publish(
+                    self.mqtt_info["主题"],
+                    "\r\n".join(mqtt_payload),
+                    qos=1 #服务质量等级
+                )
+                if result.rc == mqtt.MQTT_ERR_SUCCESS:
+                    print(f"自动MQTT上传成功")
+                else:
+                    print(f"自动MQTT上传失败: {result}")
+                    return
+        except Exception as e:
+            print(f"自动MQTT上传错误: {str(e)}")
+            return
+        """断开MQTT连接"""
+        try:
+            self.mqtt_client.loop_stop()
+            self.mqtt_client.disconnect()
+            self.mqtt_client = None
+        except Exception as e:
+            print(f"自动MQTT断开错误: {e}")
+            return
+
 def get_windows_serial_number():
     """
     获取Windows系统的唯一序列号