修改test_valve.py

test_valve.py

@@ -263,11 +263,17 @@ def main(argv=None):
             print("连接失败。")
             return 3
 
+        try:
+            opening, position = set_opening(hardware, opening)
+        except (ValueError, RuntimeError) as exc:
+            print(f"初始开度设置失败：{exc}")
+            return 4
+
         recorder = ManualValveRecorder(OUTPUT_DIRECTORY)
         print("手动阀门控制已启动：按 S 输入新开度，按 Ctrl+C 退出。")
         print(
-            f"连接时按已知状态记录：开度 {opening:.2f}%（行程 {position:.1f}）；"
-            "未向电机写入位置。"
+            f"初始开度已下发：{opening:.2f}%"
+            f"（行程 {position:.1f}）。"
         )
         print(f"CSV 将保存到：{recorder.csv_path}")
 
@@ -352,7 +358,10 @@ def main(argv=None):
     except KeyboardInterrupt:
         if input_mode:
             print()
-        print("收到 Ctrl+C，正在保存数据并退出；不改变当前阀门开度。")
+        print(
+            "收到 Ctrl+C，正在保存数据并退出；退出前不再下发开度命令。"
+            "断开连接后的阀门位置由硬件决定。"
+        )
     except Exception as exc:
         if input_mode:
             print()