diff --git a/src/Add-on/DrawRegion.ts b/src/Add-on/DrawRegion.ts
index c1edbf39c..bffa3d957 100644
--- a/src/Add-on/DrawRegion.ts
+++ b/src/Add-on/DrawRegion.ts
@@ -35,11 +35,11 @@ export class DrawRegion implements Command
             {
                 if (en.IsClose)
                 {
-                    let reg = new Region(en.Export());
+                    let reg = new Region(en.Explode());
                     app.m_Database.ModelSpace.Append(reg);
                 }
                 else
-                    lines.push(...en.Export());
+                    lines.push(...en.Explode());
             }
             else if (en instanceof Curve)
             {
diff --git a/src/Add-on/Export.ts b/src/Add-on/Explode.ts
similarity index 89%
rename from src/Add-on/Export.ts
rename to src/Add-on/Explode.ts
index 2e2cf02fb..e7d14674b 100644
--- a/src/Add-on/Export.ts
+++ b/src/Add-on/Explode.ts
@@ -4,7 +4,7 @@ import { PromptStatus } from "../Editor/PromptResult";
 import { app } from "../ApplicationServices/Application";
 
 
-export class Command_Export implements Command
+export class Command_Explode implements Command
 {
     async exec(ss: SelectSet)
     {
@@ -19,7 +19,7 @@ export class Command_Export implements Command
 
         for (let en of ss.SelectEntityList)
         {
-            let ens = en.Export();
+            let ens = en.Explode();
             en.Erase();
 
             for (let e of ens)
diff --git a/src/DatabaseServices/Dimension/AlignedDimension.ts b/src/DatabaseServices/Dimension/AlignedDimension.ts
index 5bba3d217..ee86b0851 100644
--- a/src/DatabaseServices/Dimension/AlignedDimension.ts
+++ b/src/DatabaseServices/Dimension/AlignedDimension.ts
@@ -69,7 +69,7 @@ export class AlignedDimension extends Dimension
         this.m_Oblique = v;
         this.Update();
     }
-    Export()
+    Explode()
     {
         //TODO:箭头实体
         let [ept1, ept2, extEndPt1, extEndPt2, scaleSPt, scaleEPt] = this.GetDimPts();
diff --git a/src/DatabaseServices/Dimension/LineAngularDimension.ts b/src/DatabaseServices/Dimension/LineAngularDimension.ts
index 4667d0cf8..f716b1954 100644
--- a/src/DatabaseServices/Dimension/LineAngularDimension.ts
+++ b/src/DatabaseServices/Dimension/LineAngularDimension.ts
@@ -94,7 +94,7 @@ export class LineAngularDimension extends Dimension
     {
         super.TextString = v;
     }
-    Export()
+    Explode()
     {
         let { lineStartPt, lineEndPt } = this.getDimLineData();
         let { arcStartPt, arcEndPt, extSpt, extEpt, scaleSPt, scaleEPt, bul } = this.getDimArcData();
diff --git a/src/DatabaseServices/Dimension/dimTest.ts b/src/DatabaseServices/Dimension/dimTest.ts
index 74d3b1b97..f68cbf0a3 100644
--- a/src/DatabaseServices/Dimension/dimTest.ts
+++ b/src/DatabaseServices/Dimension/dimTest.ts
@@ -18,7 +18,7 @@ export class Command_DimTest implements Command
         let dim = new AlignedDimension(new Vector3(), new Vector3(5), new Vector3(1, 3), "123");
         dim.GetSnapPoints()
         app.m_Database.ModelSpace.Append(dim);
-        let cus = dim.Export();
+        let cus = dim.Explode();
         cus.forEach(cu =>
         {
             app.m_Database.ModelSpace.Append(cu);
diff --git a/src/DatabaseServices/Entity.ts b/src/DatabaseServices/Entity.ts
index 33bbf2bea..4b597a550 100644
--- a/src/DatabaseServices/Entity.ts
+++ b/src/DatabaseServices/Entity.ts
@@ -49,7 +49,7 @@ export class Entity extends CADObject
      * @returns {Entity[]} 
      * @memberof Entity
      */
-    Export(): Entity[] { return [] }
+    Explode(): Entity[] { return [] }
 
     /**
      * 返回对象的包围框.
diff --git a/src/DatabaseServices/Polyline.ts b/src/DatabaseServices/Polyline.ts
index 02f5f6a49..c35333e68 100644
--- a/src/DatabaseServices/Polyline.ts
+++ b/src/DatabaseServices/Polyline.ts
@@ -224,12 +224,12 @@ export class Polyline extends Curve
      * 返回参数所在的点. 如果曲线不闭合,会试图返回延伸点参数
      * 
      * @param {Vector3} pt 
-     * @returns {number} 
+     * @returns {number}
      * @memberof Polyline
      */
     GetParamAtPoint(pt: Vector3): number
     {
-        let cus = this.Export();
+        let cus = this.Explode();
         if (cus.length === 0) return NaN;
         for (let i = 0; i < cus.length; i++)
         {
@@ -263,12 +263,11 @@ export class Polyline extends Curve
             return pt.distanceToSquared(this.StartPoint) < pt.distanceToSquared(this.EndPoint) ?
                 startParam : endParam;
         }
-
         return NaN;
     }
     GetParamAtDist(dist: number): number
     {
-        let cus = this.Export();
+        let cus = this.Explode();
         for (let i = 0; i < cus.length; i++)
         {
             let cu = cus[i];
@@ -724,7 +723,7 @@ export class Polyline extends Curve
      * 
      * @memberof Polyline
      */
-    Export(): Curve[]
+    Explode(): Curve[]
     {
         let exportCus: Curve[] = [];
         for (let i = 0; i < this.EndParam; i++)
diff --git a/src/Editor/CommandRegister.ts b/src/Editor/CommandRegister.ts
index 5fc3ae938..f6b463ce5 100644
--- a/src/Editor/CommandRegister.ts
+++ b/src/Editor/CommandRegister.ts
@@ -23,7 +23,7 @@ import { DrawText } from '../Add-on/DrawText';
 import { DrawCircle0 } from '../Add-on/DrawZeroCircle';
 import { Entsel } from '../Add-on/Entsel';
 import { Command_Erase } from '../Add-on/Erase';
-import { Command_Export } from '../Add-on/Export';
+import { Command_Explode } from '../Add-on/Explode';
 import { Command_Extend } from '../Add-on/Extends';
 import { CommandFillet } from '../Add-on/Fillet';
 import { Command_GenerateCode } from '../Add-on/GenerateCode';
@@ -147,7 +147,7 @@ export function registerCommand()
     /*******test ↓↓↓*********/
     commandMachine.RegisterCommand("tt", new Command_PLTest());
     commandMachine.RegisterCommand("tt2", new Command_INsTest());
-    commandMachine.RegisterCommand("x", new Command_Export());
+    commandMachine.RegisterCommand("x", new Command_Explode());
     commandMachine.RegisterCommand("close", new Command_ClosePt());
     //用于测试包围盒
     commandMachine.RegisterCommand("box", new Command_TestBox());
diff --git a/src/GraphicsSystem/IntersectWith.ts b/src/GraphicsSystem/IntersectWith.ts
index 3247a8dbc..c43350f54 100644
--- a/src/GraphicsSystem/IntersectWith.ts
+++ b/src/GraphicsSystem/IntersectWith.ts
@@ -238,11 +238,11 @@ export function IntersectLineAndLine(l1: Line, l2: Line, extType: IntersectOptio
 
 export function IntersectPolylineAndCurve(pl: Polyline, cu: Curve, extType: IntersectOption): Vector3[]
 {
-    let cus: Curve[] = pl.Export();
+    let cus: Curve[] = pl.Explode();
     let cus2: Curve[];
 
     if (cu instanceof Polyline)
-        cus2 = cu.Export()
+        cus2 = cu.Explode()
     else
         cus2 = [cu];