diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
index 233443f..a53e84e 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
@@ -87,13 +87,16 @@ namespace JoyD.Windows.CS
         /// </summary>
         private void InitializeTempDiffDataGridView()
         {
+            // 设置整个DataGridView为只读
+            dataGridViewTempDiff.ReadOnly = true;
+            
             // 添加列：温差值
             DataGridViewTextBoxColumn columnTempDiff = new DataGridViewTextBoxColumn
             {
                 Name = "tempDiffValue",
                 HeaderText = "温差值",
                 Width = 80,
-                ReadOnly = false
+                ReadOnly = true
             };
             
             // 添加列：颜色