diff --git a/mainwindow.py b/mainwindow.py
index 1eabcd0..37301f5 100644
--- a/mainwindow.py
+++ b/mainwindow.py
@@ -8,7 +8,7 @@ from typing import Tuple, Optional
 import matplotlib
 import matplotlib.pyplot as plt
 from PyQt5.QtCore import QTimer
-from PyQt5.QtWidgets import QFrame, QStatusBar, QSizePolicy, QFileDialog
+from PyQt5.QtWidgets import QFrame, QStatusBar, QSizePolicy, QFileDialog, QApplication, QMainWindow, QWidget
 from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas, NavigationToolbar2QT
 from scipy.fft import fft, fftfreq
 
@@ -189,7 +189,7 @@ class SocketClientApp(QMainWindow):
         self.ipv4_config_button.setEnabled(False)
         self.calibration_config_button.setEnabled(False)
         self.get_version_button.setEnabled(False)
-        self.ip_input.setText("192.168.0.199")
+        self.ip_input.setText("192.168.0.191")
         self.port_input.setText("12345")
 
         # 预留绘图区域
@@ -470,7 +470,7 @@ class SocketClientApp(QMainWindow):
                     end_time = time.time()
                     execution_time = end_time - self.start_time
                     print(f"结束时间戳: {end_time}")
-                    print(f"代码执行时间: {execution_time} 秒")
+                    print(f"代码执行时间: {round(execution_time, 3)} 秒")
                     print(f"speed :{round((self.sampling_rate * 4 * 8) / execution_time, 3)} Kbps")
                     self.process_wave_packet(bytes(self.partial_data))
                     self.recv_state = 'WAIT_HEADER'
@@ -534,8 +534,8 @@ class SocketClientApp(QMainWindow):
     def process_wave_packet(self, wave_data):
         data = wave_data  # 接收所有数据
         data = np.frombuffer(data, dtype=np.int32)  # 根据实际数据格式转换
-        for i in range(min(100, len(data))):  # 确保不超过数据长度
-            print(f"{data[i]:1f}", end=" ")
+        for i in range(min(5, len(data))):  # 确保不超过数据长度
+            print(f"{data[i]:.3f}", end=" ")
         print()  # 换行
         LSB_32BIT = (2.8 / (2 ** 31)) * ((750 + 287) / 287) * 1000 / 10.2
         # LSB_32BIT = (2.8 / (2 ** 31)) * ((750 + 287) / 287) * 1000
@@ -561,16 +561,16 @@ class SocketClientApp(QMainWindow):
         # 速度有效值
 
         speed_rms_value = calc_vel_pass_rms(self.scaled_data, self.sampling_rate)
-        print("速度有效值：", speed_rms_value)
+        print("速度有效值：", round(speed_rms_value, 1))
         # 速度峰值
         speed_vel_p = calc_vel_p(self.scaled_data, self.sampling_rate)
-        print("速度峰值：", speed_vel_p)
+        print("速度峰值：", round(speed_vel_p, 1))
         # 加速度有效值
         acc_rms = calc_acc_rms(self.scaled_data, self.sampling_rate)
-        print("加速度有效值：", acc_rms)
+        print("加速度有效值：", round(acc_rms, 1))
         # 加速度峰值
         acc_p = calc_acc_p(self.scaled_data, self.sampling_rate)
-        print("加速度峰值：", acc_p)
+        print("加速度峰值：", round(acc_p, 1))
         self.acceleration_label_rms.setText(f"加速度有效值：{round(acc_rms, 3)} m/s^2")
         self.acceleration_label_pp.setText(f"加速度峰值：{round(acc_p, 3)} m/s^2")
         self.velocity_label_rms.setText(f"速度有效值：{round(speed_rms_value, 3)} mm/s")
@@ -657,7 +657,23 @@ class SocketClientApp(QMainWindow):
             print(f"Upgrade length: {upgrade_len}, CRC: {crc}")
             print(f"Total packet size: {len(full_packet)} bytes")
 
-            self.socket.write(full_packet)
+            # 分包处理：每包最大1500字节
+            max_packet_size = 1500
+            total_size = len(full_packet)
+            num_packets = (total_size // max_packet_size) + (1 if total_size % max_packet_size != 0 else 0)
+
+            print(f"Total packets: {num_packets}, each up to {max_packet_size} bytes")
+
+            # 分包并发送
+            for i in range(num_packets):
+                start_index = i * max_packet_size
+                end_index = min((i + 1) * max_packet_size, total_size)
+                packet_chunk = full_packet[start_index:end_index]
+
+                print(f"Sending packet {i + 1}/{num_packets}, size: {len(packet_chunk)} bytes")
+                self.socket.write(packet_chunk)
+                print(f"Packet {i + 1} sent successfully")
+                time.sleep(0.05)
             print("Upgrade packet ready to send (commented out actual send code)")
         except Exception as e:
             print(f"Upgrade failed: {str(e)}")