diff --git a/WindowsFormsApp6/MainForm.Designer.cs b/WindowsFormsApp6/MainForm.Designer.cs
index e86a8a1..cd1e6a7 100644
--- a/WindowsFormsApp6/MainForm.Designer.cs
+++ b/WindowsFormsApp6/MainForm.Designer.cs
@@ -379,7 +379,7 @@ namespace WindowsFormsApp6
             this.button5.TabIndex = 3;
             this.button5.Text = "🎲 模拟数据";
             this.button5.UseVisualStyleBackColor = false;
-            this.button5.Visible = true;
+            this.button5.Visible = false;
             this.button5.Click += new System.EventHandler(this.Button5_Click);
             // 
             // buttonExport
diff --git a/WindowsFormsApp6/MainForm.cs b/WindowsFormsApp6/MainForm.cs
index 9ad9445..25914a9 100644
--- a/WindowsFormsApp6/MainForm.cs
+++ b/WindowsFormsApp6/MainForm.cs
@@ -520,7 +520,7 @@ namespace WindowsFormsApp6
                 int hangTime = ConvertSingleRegisterToInt(hangTimeReg[0]);
                 
                 // 读取运行速度（D410，1个寄存器，整数，单位：mm/min）
-                ushort[] runSpeedReg = _modbusMaster.ReadHoldingRegisters(slaveId, 410, 5);
+                ushort[] runSpeedReg = _modbusMaster.ReadHoldingRegisters(slaveId, 410, 1);
                 int runSpeed = ConvertSingleRegisterToInt(runSpeedReg[0]);
 
                 // 使用反射获取Form2的私有字段