diff --git a/Language/en_US.xaml b/Language/en_US.xaml
index f04442b..4c3228b 100644
--- a/Language/en_US.xaml
+++ b/Language/en_US.xaml
@@ -2,13 +2,13 @@
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:sys="clr-namespace:System;assembly=netstandard">
     <!--Text-->
-    <sys:String x:Key="ProcName">Starshine</sys:String>
+    <sys:String x:Key="ProcName">Spark</sys:String>
     
-    <sys:String x:Key="StartTest">Start Detection</sys:String>
+    <sys:String x:Key="StartTest">START</sys:String>
     <sys:String x:Key="StartTestFan">MEASURE</sys:String>
-    <sys:String x:Key="Config">Configuration</sys:String>
+    <sys:String x:Key="Config">SYS</sys:String>
     <sys:String x:Key="ConfigFan">SETTING</sys:String>
-    <sys:String x:Key="Help">Help</sys:String>
+    <sys:String x:Key="Help">HELP</sys:String>
     <sys:String x:Key="HelpFan">HELP</sys:String>
     <sys:String x:Key="NameType">NAME</sys:String>
     
@@ -16,18 +16,18 @@
     <sys:String x:Key="DetectionResult">Detection Result</sys:String>
     <sys:String x:Key="StartDetection">Starting detection, please wait...</sys:String>
     
-    <sys:String x:Key="ImportModel">Import Template</sys:String>
-    <sys:String x:Key="Save">Update and Save</sys:String>
-    <sys:String x:Key="AddRow">Add Row</sys:String>
+    <sys:String x:Key="ImportModel">Import</sys:String>
+    <sys:String x:Key="Save">Update</sys:String>
+    <sys:String x:Key="AddRow">Add</sys:String>
     
-    <sys:String x:Key="AlgorithmConfig">Algorithm Configuration</sys:String>
-    <sys:String x:Key="LevelConfig">Grading Configuration</sys:String>
-    <sys:String x:Key="CutConfig">Cutting Tool Configuration</sys:String>
+    <sys:String x:Key="AlgorithmConfig">Algorithm</sys:String>
+    <sys:String x:Key="LevelConfig">Grading</sys:String>
+    <sys:String x:Key="CutConfig">Cut Machine</sys:String>
     <sys:String x:Key="NoPassword">Username or password incorrect, please try again</sys:String>
-    <sys:String x:Key="DeleteConfig">Delete Configuration</sys:String>
-    <sys:String x:Key="ImportConfig">Import Configuration</sys:String>
-    <sys:String x:Key="BeautifyJson">Beautify Json</sys:String>
-    <sys:String x:Key="UglifyJson">Compress Json</sys:String>
+    <sys:String x:Key="DeleteConfig">Delete</sys:String>
+    <sys:String x:Key="ImportConfig">Import</sys:String>
+    <sys:String x:Key="BeautifyJson">Beautify</sys:String>
+    <sys:String x:Key="UglifyJson">Compress</sys:String>
     
 
     <sys:String x:Key="ExitAsk">Do you want to exit the program?</sys:String>
@@ -35,19 +35,19 @@
     <sys:String x:Key="Yes">Yes</sys:String>
     <sys:String x:Key="No">No</sys:String>
     <sys:String x:Key="Cancel">Cancel</sys:String>
-    <sys:String x:Key="Confirm">Confirm</sys:String>
+    <sys:String x:Key="Confirm">OK</sys:String>
     <!-- Grading Configuration Screen -->
     <sys:String x:Key="Save_successful_message">Data saved successfully</sys:String>
     <sys:String x:Key="save_fail_message">Data save failed</sys:String>
     <sys:String x:Key="no_data_message">No data imported</sys:String>
-    <sys:String x:Key="grade_config_left_top">Parameters \\ Cutting Grade</sys:String>
-    <sys:String x:Key="GRADE_NAME">GRADE_NAME</sys:String>
-    <sys:String x:Key="STANDARD_NAME">STANDARD_NAME</sys:String>
-    <sys:String x:Key="SHAPE_NAME">SHAPE_NAME</sys:String>
-    <sys:String x:Key="INSTITUTE_NAME">INSTITUTE_NAME</sys:String>
-    <sys:String x:Key="RULE_NAME">RULE_NAME</sys:String>
+    <sys:String x:Key="grade_config_left_top">Parameters \ Cutting Grade</sys:String>
+    <sys:String x:Key="GRADE_NAME">GRADE_EN_NAME</sys:String>
+    <sys:String x:Key="STANDARD_NAME">STANDARD_EN_NAME</sys:String>
+    <sys:String x:Key="SHAPE_NAME">SHAPE_EN_NAME</sys:String>
+    <sys:String x:Key="INSTITUTE_NAME">INSTITUTE_EN_NAME</sys:String>
+    <sys:String x:Key="RULE_NAME">RULE_EN_NAME</sys:String>
     <!-- Start Detection Button Popup-->
-    <sys:String x:Key="UpdateDiamondCode">Please enter the diamond code to upload</sys:String>
+    <sys:String x:Key="UpdateDiamondCode">Please enter the diamond code</sys:String>
     <sys:String x:Key="ok">OK</sys:String>
     <sys:String x:Key="Skip">Skip</sys:String>
     <sys:String x:Key="NoDiamondCode">No diamond code entered</sys:String>
@@ -90,10 +90,10 @@
     <sys:String x:Key="SavePathIsnotExists">Save path does not exist</sys:String>
     
     <!-- System Configuration Multilingual -->
-    <sys:String x:Key="SystemSetting">System Settings</sys:String>
-    <sys:String x:Key="SystemSettingCustomSet">General Settings</sys:String>
-    <sys:String x:Key="SystemSettingModelSet">Model Settings</sys:String>
-    <sys:String x:Key="SystemSettingSave">Save/Save</sys:String>
+    <sys:String x:Key="SystemSetting">System</sys:String>
+    <sys:String x:Key="SystemSettingCustomSet">General</sys:String>
+    <sys:String x:Key="SystemSettingModelSet">Model</sys:String>
+    <sys:String x:Key="SystemSettingSave">Save</sys:String>
     <sys:String x:Key="SystemSettingCustomSetLanguageSet">Language Settings</sys:String>
     <sys:String x:Key="SystemSettingCustomSetUploadFileSet">Upload Files</sys:String>
     <sys:String x:Key="SystemSettingCustomSetUploadFileText">TXT Files</sys:String>
@@ -125,7 +125,7 @@
     <sys:String x:Key="SystemSettingModelSetLowerGirdleColor">Lower Girdle Color</sys:String>
     <sys:String x:Key="SystemSettingModelSetCuletColor">Culet Color</sys:String>
     <!-- Dialog Default Language -->
-    <sys:String x:Key="DialogConfirmDefaultTitle">Confirm</sys:String>
+    <sys:String x:Key="DialogConfirmDefaultTitle">OK</sys:String>
     <sys:String x:Key="DialogCancelDefaultTitle">Cancel</sys:String>
     
     
@@ -144,20 +144,21 @@
     <sys:String x:Key="ViewportRightMenuSelectFaceKind">Show Similar Faces</sys:String>
     <sys:String x:Key="ViewportRightMenuShowDefectFace">Show Defective Faces</sys:String>
     <sys:String x:Key="ViewportRightMenuShowFront">Show Positive Direction Mark</sys:String>
+    <sys:String x:Key="ViewportRightMenuShowMeshLines">Show grid lines</sys:String>
     <sys:String x:Key="ViewportSaveSucceed">Save Successful</sys:String>
     <sys:String x:Key="ViewportSaveFail">Save Failed</sys:String>
     <sys:String x:Key="ViewportSelectPath">Select Path</sys:String>
     
     <!-- Login Page -->
-    <sys:String x:Key="LoginWindowTitle">Spark Diamond Detection System</sys:String>
+    <sys:String x:Key="LoginWindowTitle">SparkDetectionSystem</sys:String>
     <sys:String x:Key="LoginWindowAccount">Account</sys:String>
     <sys:String x:Key="LoginWindowPassword">Password</sys:String>
     <sys:String x:Key="LoginWindowRemember">Remember Password</sys:String>
     <sys:String x:Key="LoginWindowLogin">Login</sys:String>
     <sys:String x:Key="LoginWindowExit">Exit System</sys:String>
-    <sys:String x:Key="LoginWindowForgot">If you forgot your password, please contact us</sys:String>
+    <sys:String x:Key="LoginWindowForgot">Forgot password, please contact the administrator</sys:String>
     
-    <!-- New Detection Results -->
+    <!-- 【New】 Detection Results -->
     <sys:String x:Key="DiamondResultSave">Save</sys:String>
     <sys:String x:Key="DiamondResultExport">Export</sys:String>
     <sys:String x:Key="DiamondResultDs">DS</sys:String>
@@ -168,16 +169,16 @@
     <sys:String x:Key="DiamondResultWeight">Weight (ct)</sys:String>
     <sys:String x:Key="DiamondResultCutGrade">Cut Grade</sys:String>
     <sys:String x:Key="DiamondResultSymmetryGrade">Symmetry Grade</sys:String>
-    <sys:String x:Key="DiamondResultGridAvgValue">Average</sys:String>
-    <sys:String x:Key="DiamondResultGridDeviationValue">Deviation</sys:String>
-    <sys:String x:Key="DiamondResultGridMaxValue">Max Value</sys:String>
-    <sys:String x:Key="DiamondResultGridMinValue">Min Value</sys:String>
-    <sys:String x:Key="DiamondResultGridCutLevel">Cut Level</sys:String>
-    <sys:String x:Key="DiamondResultGridSymLevel">SYM Level</sys:String>
+    <sys:String x:Key="DiamondResultGridAvgValue">Avg</sys:String>
+    <sys:String x:Key="DiamondResultGridDeviationValue">Dev</sys:String>
+    <sys:String x:Key="DiamondResultGridMaxValue">Max</sys:String>
+    <sys:String x:Key="DiamondResultGridMinValue">Min</sys:String>
+    <sys:String x:Key="DiamondResultGridCutLevel">Cut Grade</sys:String>
+    <sys:String x:Key="DiamondResultGridSymLevel">SYM Grade</sys:String>
     <sys:String x:Key="DiamondResultPopupFacet1">Facet 1</sys:String>
     <sys:String x:Key="DiamodResultCloseConfirm">Are you sure you want to close the detection results screen?</sys:String>
 
-        <!-- External Interface Messages-->
+    <!-- External Interface Messages-->
     <sys:String x:Key="InProgress">S001: Image capture in progress</sys:String>   
     <sys:String x:Key="CacheCleared">S002: Cache image cleared</sys:String>   
     <sys:String x:Key="CannotSendCommand">S003: Unable to send command to microcontroller</sys:String>   
@@ -197,5 +198,5 @@
     <sys:String x:Key="CUDANoInstall">CUDA not installed, program may encounter errors during execution</sys:String>
     <sys:String x:Key="MSVCRuntimeNoInstall">MSVC Runtime not installed, program may encounter errors during execution</sys:String>
     <sys:String x:Key="FilePathNotExists">File path does not exist</sys:String>
-
+    <sys:String x:Key="LevelConfigFormatError">The file format is incorrect</sys:String>
 </ResourceDictionary>
diff --git a/Language/zh_CN.xaml b/Language/zh_CN.xaml
index fd4985e..02263e1 100644
--- a/Language/zh_CN.xaml
+++ b/Language/zh_CN.xaml
@@ -24,7 +24,6 @@
     <sys:String x:Key="LevelConfig">定级配置</sys:String>
     <sys:String x:Key="CutConfig">切工仪配置</sys:String>
     <sys:String x:Key="NoPassword">用户名或密码错误，请重试</sys:String>
-    <!-- <sys:String x:Key="LevelConfig">定级配置</sys:String> -->
     <sys:String x:Key="DeleteConfig">删除配置</sys:String>
     <sys:String x:Key="ImportConfig">导入配置</sys:String>
     <sys:String x:Key="BeautifyJson">美化Json</sys:String>
@@ -41,14 +40,14 @@
     <sys:String x:Key="Save_successful_message">数据保存成功</sys:String>
     <sys:String x:Key="save_fail_message">数据保存失败</sys:String>
     <sys:String x:Key="no_data_message">没有导入数据</sys:String>
-    <sys:String x:Key="grade_config_left_top">参数 \\ 切工等级</sys:String>
+    <sys:String x:Key="grade_config_left_top">参数 \ 切工等级</sys:String>
     <sys:String x:Key="GRADE_NAME">GRADE_NAME</sys:String>
     <sys:String x:Key="STANDARD_NAME">STANDARD_NAME</sys:String>
     <sys:String x:Key="SHAPE_NAME">SHAPE_NAME</sys:String>
     <sys:String x:Key="INSTITUTE_NAME">INSTITUTE_NAME</sys:String>
     <sys:String x:Key="RULE_NAME">RULE_NAME</sys:String>
     <!-- 开始检测按钮点击后弹窗-->
-    <sys:String x:Key="UpdateDiamondCode">请输入上传钻石编码</sys:String>
+    <sys:String x:Key="UpdateDiamondCode">请输入钻石编码</sys:String>
     <sys:String x:Key="ok">确定</sys:String>
     <sys:String x:Key="Skip">跳过</sys:String>
     <sys:String x:Key="NoDiamondCode">没有输入钻石编码</sys:String>
@@ -179,7 +178,7 @@
     <sys:String x:Key="DiamondResultPopupFacet1">面1</sys:String>
     <sys:String x:Key="DiamodResultCloseConfirm">是否关闭检测结果画面。</sys:String>
 
-        <!-- 外部接口MSG-->
+    <!-- 外部接口MSG-->
     <sys:String x:Key="InProgress">S001：采图正在进行中</sys:String>   
     <sys:String x:Key="CacheCleared">S002:缓存图片被清理</sys:String>   
     <sys:String x:Key="CannotSendCommand">S003:无法向单片机发送指令</sys:String>   
@@ -194,10 +193,10 @@
     <sys:String x:Key="NoDiamond">P011:未检测到钻石</sys:String>   
     <sys:String x:Key="OpenOfTheHatch">S007:请检查切工仪设备舱门是否关闭</sys:String>     
     
-         
+    
     <sys:String x:Key="ApplicationError">应用程序出现错误：</sys:String>
     <sys:String x:Key="CUDANoInstall">CUDA未安装，程序执行中可能会出错</sys:String>
     <sys:String x:Key="MSVCRuntimeNoInstall">MSVC Runtime未安装，程序执行中可能会出错</sys:String>
     <sys:String x:Key="FilePathNotExists">文件路径不存在</sys:String>
-    <sys:String x:Key="LevelConfigFormatError">定级配置文件格式不正</sys:String>
+    <sys:String x:Key="LevelConfigFormatError">文件格式不正确</sys:String>
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Views/UserControl/Viewport3D.xaml.cs b/Views/UserControl/Viewport3D.xaml.cs
index 74a0429..3e6dc03 100644
--- a/Views/UserControl/Viewport3D.xaml.cs
+++ b/Views/UserControl/Viewport3D.xaml.cs
@@ -413,12 +413,14 @@ public partial class Viewport3D
                 ViewportManager.ResetChooseAddModels();
                 break;
             case "ViewportRightMenuShowMeshLines":
+                var center = ViewportManager.ModelBounds.Center;
                 var maxDimension = ViewportManager.ModelBounds.Size.Length();
                 var distance = maxDimension * 1.2; // 调整相机到模型的距离，保证视野范围内
-                var center = ViewportManager.ModelBounds.Center;
+                // 获取当前相机
                 var camera = Viewport3Dx.Camera as HelixToolkit.Wpf.SharpDX.PerspectiveCamera;
                 camera.Position = new Point3D(center.X, center.Y - distance, center.Z); // 从底部看，Y轴负方向
                 camera.UpDirection = new Vector3D(0, 0, -1);
+                camera.LookDirection = new Vector3D(center.X - camera.Position.X, center.Y - camera.Position.Y, center.Z - camera.Position.Z);
                 ViewportManager.ShowMeshLines(checkResult);
                 //camera.LookDirection = new Vector3D(center.X - camera.Position.X, center.Y - camera.Position.Y, center.Z - camera.Position.Z);
 
diff --git a/Views/UserControl/ViewportData/Helper/LineCalculationHelper.cs b/Views/UserControl/ViewportData/Helper/LineCalculationHelper.cs
index cdc7622..7789ba1 100644
--- a/Views/UserControl/ViewportData/Helper/LineCalculationHelper.cs
+++ b/Views/UserControl/ViewportData/Helper/LineCalculationHelper.cs
@@ -12,7 +12,7 @@ namespace SparkClient.Views.UserControl.ViewportData.Helper
     {
         private readonly float Y = -0.01F;
         private Vector3 point1;
-        private Vector3 point2;
+        private Vector3 center;
         /// <summary>
         /// 常数a（y=ax+b）
         /// </summary>
@@ -21,21 +21,21 @@ namespace SparkClient.Views.UserControl.ViewportData.Helper
         /// 常数b（y=ax+b）
         /// </summary>
         private float b;
-        public LineCalculationHelper(Vector3 point1, Vector3 point2) { 
+        public LineCalculationHelper(Vector3 point1, Vector3 center) { 
             this.point1 = point1;
-            this.point2 = point2;
-            this.a = calA(point1, point2);
+            this.center = center;
+            this.a = calA(point1, center);
             this.b = calB(point1, a);
         }
         /// <summary>
         /// 常数a的计算
         /// </summary>
         /// <param name="point1"></param>
-        /// <param name="point2"></param>
+        /// <param name="center"></param>
         /// <returns></returns>
-        private float calA(Vector3 point1, Vector3 point2)
+        private float calA(Vector3 point1, Vector3 center)
         {
-            return (point1.Z - point2.Z) / (point1.X - point2.X);
+            return (point1.Z - center.Z) / (point1.X - center.X);
         }
         /// <summary>
         /// 常数b的计算
@@ -50,18 +50,20 @@ namespace SparkClient.Views.UserControl.ViewportData.Helper
 
         public Tuple<Vector3, Vector3> calXline(float length)
         {
-            var x1 = 5;
-            var z1 = calZ(x1);
-            var x2 = -5;
-            var z2 = calZ(x2);
+            var twoPoint = CalculatePointsOnLine(this.a,length);
+            var x1 = twoPoint.p1.X;
+            var z1 = twoPoint.p1.Y;
+            var x2 = twoPoint.p2.X;
+            var z2 = twoPoint.p2.X;
             return new Tuple<Vector3, Vector3>(new Vector3(x1, Y, z1), new Vector3(x2, Y, z2));
         }
         public Tuple<Vector3, Vector3> calYline(float length)
         {
-            var x1 = 5;
-            var z1 = calZVertical(x1);
-            var x2 = -5;
-            var z2 = calZVertical(x2);
+            var twoPoint = CalculatePointsOnLine(-(1/a), length);
+            var x1 = twoPoint.p1.X;
+            var z1 = twoPoint.p1.Y;
+            var x2 = twoPoint.p2.X;
+            var z2 = twoPoint.p2.X;
             return new Tuple<Vector3, Vector3>(new Vector3(x1, Y, z1), new Vector3(x2, Y, z2));
         }
 
@@ -95,5 +97,33 @@ namespace SparkClient.Views.UserControl.ViewportData.Helper
         {
             return (-x / a)  + b + offset;
         }
+
+        private ((float X, float Y) p1, (float X, float Y) p2) CalculatePointsOnLine(float k ,float L)
+        {
+            float x0 = center.X;
+            float y0 = center.Z;
+            // 将距离公式展开并整理为关于 t 的二次方程
+            float A = 1 + k * k;
+            float B = -2 * x0 + 2 * k * (b - y0);
+            float C = x0 * x0 + (b - y0) * (b - y0) - L * L;
+
+            // 计算判别式
+            float discriminant = B * B - 4 * A * C;
+
+            if (discriminant < 0)
+            {
+                throw new InvalidOperationException("无解：距离 L 太小，无法找到满足条件的点。");
+            }
+
+            // 计算 t 的两个解
+            float t1 = (float)(-B + Math.Sqrt(discriminant)) / (2 * A);
+            float t2 = (float)(-B - Math.Sqrt(discriminant)) / (2 * A);
+
+            // 计算两点坐标
+            var p1 = (X: t1, Y: k * t1 + b);
+            var p2 = (X: t2, Y: k * t2 + b);
+
+            return (p1, p2);
+        }
     }
 }
diff --git a/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs b/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
index a7db89b..48d063d 100644
--- a/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
+++ b/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
@@ -1273,6 +1273,12 @@ public class ViewportHelperPro
         lights.ForEach(item => viewport.Items.Remove(item));
     }
     private static Dictionary<Guid, Guid> moveLines = new Dictionary<Guid, Guid>();
+    /// <summary>
+    /// 网状参考线
+    /// </summary>
+    /// <param name="entities"></param>
+    /// <param name="thickness"></param>
+    /// <returns></returns>
     public static List<LineGeometryModel3D> ShowMeshLines(List<Viewport3DTriangleEntity> entities, double thickness = 1.0)
     {
         moveLines = new();
@@ -1288,9 +1294,14 @@ public class ViewportHelperPro
         
         var edgeLines = new List<Tuple<Vector3, Vector3>>();
         Color4 XlineColor =new Color4(80f, 0f, 0f, 1f);
-        var x1 = 5;
+        float r =5;
+        if(double.TryParse(ViewportManager.DiamondData["M2"].ToString(), out var v))
+        {
+            r = (float)(v*0.501);
+        }
+        var x1 = r;
         var z1 = lineCal.calZ(x1);
-        var x2 = -5;
+        var x2 = -r;
         var z2 = lineCal.calZ(x2);
         edgeLines.Add(new Tuple<Vector3, Vector3>(new Vector3(x1, Y, z1), new Vector3(x2, Y, z2)));
         lines.Add(DisplayLineModel3D(edgeLines, XlineColor));
@@ -1318,9 +1329,9 @@ public class ViewportHelperPro
         bindingMoveLine(lineE, lineF);
 
         Color4 YlineColor = new Color4(0F, 80f, 0f, 1f);
-        var x3 = 5;
+        var x3 = r;
         var z3 = lineCal.calZVertical(x3);
-        var x4 = -5;
+        var x4 = -r;
         var z4 = lineCal.calZVertical(x4);
 
         edgeLines = new List<Tuple<Vector3, Vector3>>();
@@ -1350,7 +1361,11 @@ public class ViewportHelperPro
         bindingMoveLine(lineG, lineH);
         return lines;
     }
-
+    /// <summary>
+    /// 网状参考线 对向移动绑定
+    /// </summary>
+    /// <param name="lineA"></param>
+    /// <param name="lineB"></param>
     private static void bindingMoveLine(LineGeometryModel3D lineA, LineGeometryModel3D lineB)
     {
         lineA.MouseDown3D += LineA_MouseDown3D;
@@ -1386,7 +1401,7 @@ public class ViewportHelperPro
                 var perpendicularDirection = Vector3D.CrossProduct(lineDirection.ToVector3D(), Vector3D.CrossProduct(moveDirection, lineDirection.ToVector3D()));
                 perpendicularDirection.Normalize();
 
-                double scaleFactor = 0.1; // 缩放因子
+                double scaleFactor = 0.05; // 缩放因子
                 // 计算垂直距离
                 double perpendicularDistance = Vector3D.DotProduct(moveDirection, perpendicularDirection) * scaleFactor;
                 System.Console.WriteLine("距离："+ perpendicularDistance);
@@ -1436,11 +1451,11 @@ public class ViewportHelperPro
         // 创建射线
         var ray = new Ray3D(
             camera.Position,
-            new Vector3D(mousePosition.X - Viewport.ActualWidth / 2, -(mousePosition.Y - Viewport.ActualHeight / 2), -camera.Position.Z)
+            new Vector3D(mousePosition.X - Viewport.ActualWidth / 2, -camera.Position.Y, -(mousePosition.Y - Viewport.ActualHeight / 2) )
         );
 
         // 创建平面（假设平面为 Y=0）
-        var plane = new Plane3D(new Point3D(0, 0, 0), new Vector3D(0, 0, 1));
+        var plane = new Plane3D(new Point3D(0, 0, 0), new Vector3D(0, 1, 0));
 
         // 计算射线与平面的交点
         var intersection = GetIntersection(ray, plane);
@@ -1456,13 +1471,23 @@ public class ViewportHelperPro
         // 使用 Plane3D.LineIntersection 方法计算交点
         return plane.LineIntersection(ray.Origin, rayEnd);
     }
-
+    private static double initialRadius = 1.0; // 初始半径
+    private static double endRadius = 1.0; // 拖拽后半径
+    private static double initDistance = 1.0; // 初始与圆心之间距离
+    private static double endDistance = 1.0; // 拖拽后与圆心之间距离
+    private static Point dragStartPoint;
+    /// <summary>
+    /// 圆圈参考线
+    /// </summary>
+    /// <param name="radius"></param>
+    /// <param name="thickness"></param>
+    /// <returns></returns>
     public static LineGeometryModel3D ShowCircleLine(double radius = 1.0, double thickness = 1.0)
     {
         var Y = -0.01F;
         var center = ViewportManager.CenterVector;
         center.Y = Y;
-        return UpdateCircleGeometry(center);
+        return UpdateCircleGeometry(center, initialRadius);
     }
     private static LineGeometryModel3D UpdateCircleGeometry(Vector3 center, double radius = 1.0)
     {
@@ -1482,11 +1507,106 @@ public class ViewportHelperPro
             indices.Add(i);
             indices.Add((i + 1) % segments);
         }
-
+        var Circle = DisplayLineModel3D(positions, Color4.Black);
+        Circle.MouseDown3D += Circle_MouseDown3D;
+        Circle.MouseUp3D += Circle_MouseUp3D;
+        Circle.MouseMove3D += Circle_MouseMove3D;
         // 更新圆形线的几何形状
-       return DisplayLineModel3D(positions, Color4.Black);
+        return Circle;
+    }
+
+    private static void Circle_MouseMove3D(object sender, RoutedEventArgs e)
+    {
+        if (isDrawing)
+        {
+            if (e is HelixToolkit.Wpf.SharpDX.MouseMove3DEventArgs ev)
+            {
+                var line = sender as LineGeometryModel3D;
+
+                if (line==null)
+                {
+                    return;
+                }
+                var MinRadius = 0.1;
+                var MaxRadius = (ViewportManager.ModelBounds.Maximum.X - ViewportManager.ModelBounds.Minimum.X) * 0.6;
+                // 现在鼠标对于3d模型的位置
+                var mousePosition = ev.Position;
+                var Y = -0.01F;
+                var center = ViewportManager.CenterVector;
+                center.Y = Y;
+
+                Point3D mouseWorldPosition = Get3DPointFromMouse(mousePosition);
+
+                // 计算鼠标与圆心的距离
+                double distance = CalculateDistance(mouseWorldPosition, center.ToPoint3D());
+
+                double scaleFactor = 0;
+
+                if (distance < initDistance)
+                {
+                    // 鼠标靠近圆心，缩小半径
+                    scaleFactor = -0.01;
+                }
+                else
+                {
+                    // 鼠标远离圆心，扩大半径
+                    scaleFactor = +0.01;
+                }
+
+                // 计算鼠标移动的距离（以屏幕坐标为单位）
+                double delta = (dragStartPoint - mousePosition).Length;
+
+                // 计算新的半径
+                double newRadius = initialRadius + delta * scaleFactor; // 缩放因子
+
+                // 限制半径范围
+                newRadius = Math.Clamp(newRadius, MinRadius, MaxRadius);
+
+                var scaleTransform = new ScaleTransform3D(newRadius, 1, newRadius); // 缩放变换
+                line.Transform = scaleTransform;
+                endRadius = newRadius;
+                endDistance = distance;
+            }
+        }
+    }
+    // 计算两点之间的距离
+    private static double CalculateDistance(Point3D p1, Point3D p2)
+    {
+        double dx = p2.X - p1.X;
+        double dy = p2.Y - p1.Y;
+        double dz = p2.Z - p1.Z;
+
+        return Math.Sqrt(dx * dx + dy * dy + dz * dz);
+    }
+    private static void Circle_MouseUp3D(object sender, RoutedEventArgs e)
+    {
+        isDrawing = false;
+        var Viewport = ViewportManager.GetViewport3D();
+        initialRadius = endRadius;
+        initDistance = endDistance;
+        // 释放鼠标捕获
+        Viewport.ReleaseMouseCapture();
     }
 
+    private static void Circle_MouseDown3D(object sender, RoutedEventArgs e)
+    {
+        isDrawing = true;
+        if (e is HelixToolkit.Wpf.SharpDX.MouseDown3DEventArgs ev)
+        {
+            var line = sender as LineGeometryModel3D;
+
+            // 获取鼠标点击的位置
+            dragStartPoint = ev.Position;
+            Point3D mouseWorldPosition = Get3DPointFromMouse(dragStartPoint);
+            var Y = -0.01F;
+            var center = ViewportManager.CenterVector;
+            center.Y = Y;
+            initDistance = CalculateDistance(mouseWorldPosition, center.ToPoint3D());
+            var Viewport = ViewportManager.GetViewport3D();
+            // 捕获鼠标
+            Viewport.CaptureMouse();
+        }
+    }
     #region 私有方法
 
     /// <summary>
diff --git a/Views/UserControl/ViewportData/Helper/ViewportManager.cs b/Views/UserControl/ViewportData/Helper/ViewportManager.cs
index 399d6ec..94ef6db 100644
--- a/Views/UserControl/ViewportData/Helper/ViewportManager.cs
+++ b/Views/UserControl/ViewportData/Helper/ViewportManager.cs
@@ -278,6 +278,7 @@ public class ViewportManager
         _viewport.Camera.UpDirection = new Vector3D(0, -1, 0);
         _viewport.RenderHost.MSAA = MSAALevel.Maximum;
         // TODO:
+        MainModelMeshLines.Clear();
         MainModelMeshLines.AddRange(ViewportHelperPro.ShowMeshLines(entities));
         MainModelCircleLine = ViewportHelperPro.ShowCircleLine();
     }