diff --git a/test/__pycache__/pyvisa.cpython-313.pyc b/test/__pycache__/pyvisa.cpython-313.pyc
new file mode 100644
index 0000000..ebabcdf
Binary files /dev/null and b/test/__pycache__/pyvisa.cpython-313.pyc differ
diff --git a/test/from_datetime_import_datetime.py b/test/from_datetime_import_datetime.py
index 1a8eeb4..7d13172 100644
--- a/test/from_datetime_import_datetime.py
+++ b/test/from_datetime_import_datetime.py
@@ -4,6 +4,4 @@ today = datetime.now()
 text = f"{today.year}.{today.month}.{today.day} first time use Git"
 print(text)
 
-# 将内容写入文本文件，方便提交到Git仓库
-with open("git_note.txt", "w", encoding="utf-8") as f:
-    f.write(text)
+
diff --git a/test/pyvisa.py b/test/pyvisa.py
new file mode 100644
index 0000000..19929f3
--- /dev/null
+++ b/test/pyvisa.py
@@ -0,0 +1,71 @@
+import pyvisa
+from datetime import datetime
+import os
+
+# ==========================================
+SCOPE_IP = '192.168.1.100'  # <--- 示波器IP修改这里！！！
+# ==========================================
+
+def capture_and_save():
+    """连接示波器，截图并保存到当前文件夹"""
+    
+    print("1. 正在连接示波器...")
+    try:
+        # 创建VISA资源管理器
+        rm = pyvisa.ResourceManager()
+        
+        # 构造示波器的网络地址 (端口5025是SIGLENT的标准SCPI端口)
+        resource_string = f'TCPIP0::{SCOPE_IP}::5025::SOCKET'
+        
+        # 打开连接
+        scope = rm.open_resource(resource_string)
+        scope.timeout = 10000  # 10秒超时
+        scope.read_termination = '\n'
+        scope.write_termination = '\n'
+        
+        # 发送 *IDN? 命令确认连接成功
+        idn = scope.query('*IDN?')
+        print(f"   ✅ 连接成功！示波器型号: {idn}")
+        
+        # ==========================================
+        # 2. 核心操作：让示波器发送屏幕截图
+        # ==========================================
+        print("2. 正在获取屏幕截图...")
+        
+        # 向示波器发送“打印屏幕为PNG”的命令
+        scope.write(':PRINt? PNG')
+        
+        # 读取示波器返回的二进制图片数据
+        img_data = scope.read_raw()
+        print(f"   ✅ 截图数据已接收，大小: {len(img_data)} 字节")
+        
+        # ==========================================
+        # 3. 保存为PNG文件
+        # ==========================================
+        # 生成文件名：以当前时间命名，避免覆盖
+        timestamp = datetime.now().strftime('%Y%m%d_%H%M%S')
+        filename = f'screenshot_{timestamp}.png'
+        
+        # 保存到当前目录
+        with open(filename, 'wb') as f:
+            # 尝试直接保存，如果打不开，尝试改为 f.write(img_data[11:])
+            f.write(img_data)
+        
+        print(f"   ✅ 截图已保存为: {os.path.abspath(filename)}")
+        
+        # 4. 关闭连接
+        scope.close()
+        rm.close()
+        print("3. 连接已关闭。全部完成！")
+        
+    except Exception as e:
+        print(f"❌ 出错了！错误信息: {e}")
+        print("\n请检查：")
+        print("1. 示波器是否开机？")
+        print("2. 网线是否插好？")
+        print(f"3. IP地址 '{SCOPE_IP}' 是否和示波器屏幕显示的一致？")
+        print("4. 电脑和示波器是否在同一个局域网？")
+
+# 如果直接运行这个脚本，就执行截图函数
+if __name__ == '__main__':
+    capture_and_save()
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