更新

ViewModels/StationViewModel.cs

@@ -1624,7 +1624,7 @@ namespace TabletTester2025.ViewModels
                     AddHardnessSample(value);
                     await ReadHardnessMaxCaptureAsync();
                     ApplyHardnessStatistics(count);
-                    await WaitForCoilStateAsync(completeCoil, false, TimeSpan.FromSeconds(10), "硬度完成信号未回落");
+                    await TryWaitForCoilStateAsync(completeCoil, false, TimeSpan.FromSeconds(2));
                 }
 
                 if (_hardnessResults.Count < count)
@@ -1786,6 +1786,20 @@ namespace TabletTester2025.ViewModels
             throw new TimeoutException(timeoutMessage);
         }
 
+        private async Task<bool> TryWaitForCoilStateAsync(ushort coilAddress, bool expectedState, TimeSpan timeout)
+        {
+            DateTime deadline = DateTime.Now.Add(timeout);
+            while (_isHardnessRunning && DateTime.Now <= deadline)
+            {
+                if (await _plc.ReadCoilAsync(coilAddress) == expectedState)
+                    return true;
+
+                await Task.Delay(100);
+            }
+
+            return false;
+        }
+
         private void ApplyHardnessStatistics(int requiredCount)
         {
             var stats = TestCalculationService.CalculateHardness(