增加高低速偏移属性

Rs.SkyLine/Commom/GlobalVar.cs

@@ -377,5 +377,16 @@ namespace Rs.Framework
                 return SysConfigParam.GetValue<int> (nameof(PressLowSpeed));
             }
         }
+
+        /// <summary>
+        /// 高低速偏移
+        /// </summary>
+        public static double PressLowSpeedOffset
+        {
+            get
+            {
+                return SysConfigParam.GetValue<int>(nameof(PressLowSpeedOffset));
+            }
+        }
     }
 }