diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
index 9a8e3f7..2f6c683 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
@@ -219,8 +219,11 @@ namespace JoyD.Windows.CS
             {
                 string value = e.FormattedValue.ToString().Trim();
                 
+                // 去掉单位，只保留数字部分
+                string numericValue = System.Text.RegularExpressions.Regex.Replace(value, @"[^0-9.-]", "");
+                
                 // 尝试解析输入为浮点数
-                if (!float.TryParse(value, out float tempValue))
+                if (!float.TryParse(numericValue, out float tempValue))
                 {
                     dataGridViewTempDiff.Rows[e.RowIndex].ErrorText = "请输入有效的温度值";
                     e.Cancel = true;