diff --git a/Cargo.lock b/Cargo.lock
index 3b9329b..12e5f19 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -647,6 +647,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serialport",
+ "winapi",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 20d3c42..4d9ed52 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,3 +9,13 @@ anyhow = "1.0"
 rumqttc = "0.23"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
+
+[profile.release]
+opt-level = 3
+lto = true
+codegen-units = 1
+panic = 'abort'
+strip = true
+
+[target.'cfg(windows)'.dependencies]
+winapi = { version = "0.3", features = ["winbase"] }
diff --git a/src/main.rs b/src/main.rs
index 0ad3ffe..c76cdf1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,6 +6,7 @@ use std::io::{self, Read};
 use std::time::Duration;
 use std::thread;
 use serialport;
+use std::process::Command;
 
 #[derive(Serialize, Deserialize)]
 struct WeightData {
@@ -13,7 +14,19 @@ struct WeightData {
     timestamp: u64,
 }
 
-
+fn get_mac_address() -> String {
+    let output = Command::new("getmac")
+        .arg("/fo")
+        .arg("csv")
+        .arg("/nh")
+        .output()
+        .expect("Failed to execute getmac command");
+    
+    let output_str = String::from_utf8_lossy(&output.stdout);
+    let first_line = output_str.lines().next().unwrap_or("");
+    let mac = first_line.split(',').next().unwrap_or("").trim_matches('"');
+    mac.replace('-', ":").to_lowercase()
+}
 
 fn main() -> Result<()> {
     // 创建 MQTT 客户端
@@ -97,14 +110,24 @@ fn main() -> Result<()> {
                             .as_secs(),
                     };
 
-                    // 序列化数据
-                    let json_data = serde_json::to_string(&weight_data)?;
+                    // 开始循环发送数据
+                    loop {
+                        // 序列化数据
+                        let json_data = serde_json::to_string(&weight_data)?;
+                        println!("当前JSON数据: {}", json_data);
+                        
+                        // 获取MAC地址
+                        let mac_address = get_mac_address();
+                        println!("MAC地址: {}", mac_address);
+                        // 发布到 MQTT，主题中包含MAC地址
+                        if let Err(e) = client.publish(format!("weight/data/{}", mac_address), QoS::AtLeastOnce, false, json_data) {
+                            eprintln!("MQTT发布错误: {:?}", e);
+                        } else {
+                            println!("成功发送数据到MQTT");
+                        }
 
-                    // 发布到 MQTT
-                    if let Err(e) = client.publish("weight/data", QoS::AtLeastOnce, false, json_data) {
-                        eprintln!("MQTT发布错误: {:?}", e);
-                    } else {
-                        println!("成功发送数据到MQTT");
+                        // 等待3秒
+                        thread::sleep(Duration::from_secs(3));
                     }
                 }
             }