diff --git a/__test__/FileSystem/__snapshots__/file.test.ts.snap b/__test__/FileSystem/__snapshots__/file.test.ts.snap
index 538076267..ac0430a64 100644
--- a/__test__/FileSystem/__snapshots__/file.test.ts.snap
+++ b/__test__/FileSystem/__snapshots__/file.test.ts.snap
@@ -1,6 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`changev 1`] = `"[1,[\\"BlockTableRecord\\",1,0,1,[\\"Line\\",1,1,1,[2,3,4],[0,0,0]]]]"`;
+exports[`changev 1`] = `"[1,[\\"BlockTableRecord\\",1,0,1,[\\"Line\\",1,2,1,[2,3,4],[0,0,0]]],[\\"MaerialTableRecord\\",1,1,0]]"`;
 
 exports[`测试创建 1`] = `"[1,-1,1,[]]"`;
 
diff --git a/__test__/FileSystem/file.test.ts b/__test__/FileSystem/file.test.ts
index bb23357bc..a2062ae89 100644
--- a/__test__/FileSystem/file.test.ts
+++ b/__test__/FileSystem/file.test.ts
@@ -1,10 +1,14 @@
 import { Vector3 } from 'three';
+import * as THREE from 'three';
+
 import
 {
     AllObjectData,
     BlockTableRecord,
     CADFactory,
     CADFile,
+    CADObject,
+    ColorMaterial,
     CommandHistoryRecord,
     CreateObjectData,
     Database,
@@ -12,7 +16,6 @@ import
     Line,
     ObjectAllDataHistoryRecord,
     RemoveObjectData,
-    CADObject,
 } from '../../src/DatabaseServices/FileSystem';
 
 function CadObjectToString(obj: CADObject)
@@ -158,3 +161,22 @@ test('xxx', () =>
 
     expect(f3.ToString()).toBe(f.ToString());//对象序列化反序列化后 数据应该一样
 });
+
+
+
+test('create material', () =>
+{
+    let materialRed = new ColorMaterial();
+
+    materialRed.Color = new THREE.Color(321321);
+
+    materialRed.ClassName /*?*/
+
+    let f = new CADFile();
+    f.WriteObject(materialRed);
+    let materialCopy = f.ReadObject(undefined);
+
+    f.ToString()/*?*/
+
+    CadObjectToString(materialRed) /*?*/
+});
diff --git a/src/DatabaseServices/FileSystem.ts b/src/DatabaseServices/FileSystem.ts
index 3c8a38b4b..d296e93a8 100644
--- a/src/DatabaseServices/FileSystem.ts
+++ b/src/DatabaseServices/FileSystem.ts
@@ -912,6 +912,7 @@ export class Database
     //模型空间
     ModelSpace: BlockTableRecord;
     //材质字典...
+    MaterialDict: MaerialTableRecord;
 
     private idCout = -1;
     private idMap = new Map<number, ObjectId>();
@@ -920,6 +921,9 @@ export class Database
     {
         this.ModelSpace = new BlockTableRecord();
         this.ModelSpace.InitObjectId(this);
+        this.MaterialDict = new MaerialTableRecord();
+        this.MaterialDict.InitObjectId(this);
+
         this.hm = new HistoricManage();
         this.hm.SetDefaultDb(this);
     }
@@ -929,12 +933,14 @@ export class Database
         let file = new CADFile();
         file.Write(1);//ver;
         file.WriteObject(this.ModelSpace);
+        file.WriteObject(this.MaterialDict);
         return file;
     }
     FileRead(file: CADFile)
     {
         let ver = file.Read();
         file.ReadObject(this, this.ModelSpace);
+        file.ReadObject(this, this.MaterialDict);
     }
 
     //创建一个id,自动递增它的索引号,并且会自动加入到db的id列表中.
@@ -976,35 +982,16 @@ export class Database
 @Factory
 export class BlockTableRecord extends ObjectCollection<Entity>
 {
-    constructor()
-    {
-        super();
-    }
-
-    //#region -----------------------------File-----------------------------
-    //对象应该实现dataIn和DataOut的方法,为了对象的序列化和反序列化
-    //对象从文件中读取数据,初始化自身
-    ReadFile(file: CADFile)
-    {
-        super.ReadFile(file);
-    }
-    //对象将自身数据写入到文件.
-    WriteFile(file: CADFile)
-    {
-        super.WriteFile(file);
-    }
-    //局部撤销
-    ApplyPartialUndo(undoData: CADObject)
-    {
-        super.ApplyPartialUndo(undoData);
-    }
-    //#endregion-----------------------------File End-----------------------------
 }
+
+
 //所有图元的基类
 @Factory
 export class Entity extends CADObject
 {
     protected m_DrawEntity = new Map<RenderType, Object3D>();
+    //材质id
+    protected m_MaterialId: ObjectId;
     //绘制一个threeJs对象.
     Draw(renderType: RenderType = RenderType.Wireframe): Object3D
     {
@@ -1088,3 +1075,70 @@ export class Line extends Entity
 
     //#endregion
 }
+
+
+@Factory
+export class MaerialTableRecord extends ObjectCollection<Material>
+{
+
+}
+
+@Factory
+export class Material extends CADObject
+{
+}
+
+
+//颜色材质,对于二维图像来说可能有用,应该不对三维对象使用该材质
+@Factory
+export class ColorMaterial extends Material
+{
+    private m_Color: THREE.Color;
+    constructor()
+    {
+        super();
+        this.m_Color = new THREE.Color();
+    }
+
+    get Color(): THREE.Color
+    {
+        return this.m_Color;
+    }
+    set Color(v: THREE.Color)
+    {
+        this.m_Color.copy(v);
+    }
+
+    private m_Material: THREE.LineBasicMaterial;
+    get LineMaterial(): THREE.LineBasicMaterial
+    {
+        if (!this.m_Material)
+        {
+            this.m_Material = new THREE.LineBasicMaterial({ color: this.m_Color });
+        }
+        return this.m_Material;
+    }
+
+    //#region -------------------------File-------------------------
+    //对象应该实现dataIn和DataOut的方法,为了对象的序列化和反序列化
+
+    //对象从文件中读取数据,初始化自身
+    ReadFile(file: CADFile)
+    {
+        let ver = file.Read();
+        let hex = file.Read();
+        this.m_Color.setHex(hex);
+    }
+    //对象将自身数据写入到文件.
+    WriteFile(file: CADFile)
+    {
+        file.Write(1);
+        file.Write(this.m_Color.getHex());
+    }
+    //局部撤销
+    ApplyPartialUndo(undoData: CADObject)
+    {
+    }
+    //#endregion
+}
+