diff --git a/src/DatabaseServices/MaterialDictionary.ts b/src/DatabaseServices/MaterialDictionary.ts
index d75234673..5fb77f797 100644
--- a/src/DatabaseServices/MaterialDictionary.ts
+++ b/src/DatabaseServices/MaterialDictionary.ts
@@ -1,5 +1,4 @@
-import * as THREE from 'three';
-
+import { Material, MeshPhysicalMaterial } from "three";
 
 export const MaterialNeedUpdateKey = "needUpdateImg";
 
@@ -9,17 +8,17 @@ export const MaterialNeedUpdateKey = "needUpdateImg";
 export class MaterialDictionary
 {
 
-    MaterialDict: Map<number, THREE.Material>;
+    MaterialDict: Map<number, Material>;
     MaterialCallback: Map<number, any>;
     private _cout = 0;//Id 分配器.
     constructor()
     {
-        this.MaterialDict = new Map<number, THREE.Material>();
+        this.MaterialDict = new Map<number, Material>();
         this.MaterialCallback = new Map<number, any>();
     }
 
     //添加材质..
-    addMaterial(mat: THREE.Material)
+    addMaterial(mat: Material)
     {
         this.extendObservable(mat, this._cout);
         this.MaterialDict.set(this._cout, mat);
@@ -27,11 +26,11 @@ export class MaterialDictionary
     }
     createMaterial()
     {
-        let mat = new THREE.MeshPhysicalMaterial({ roughness: 0.2, metalness: 0.2, bumpScale: 0.0005 });
+        let mat = new MeshPhysicalMaterial({ roughness: 0.2, metalness: 0.2, bumpScale: 0.0005 });
         mat.name = "材质" + this._cout;
         this.addMaterial(mat);
     }
-    extendObservable(mat: THREE.Material, id: number)
+    extendObservable(mat: Material, id: number)
     {
         // let mobxData: Object = {};
 
@@ -41,7 +40,7 @@ export class MaterialDictionary
         // for (let key of colorList)
         // {
         //     let newKey = "mobx_" + key;
-        //     mobxData[newKey] = "#" + (mat[key] as THREE.Color).getHexString();
+        //     mobxData[newKey] = "#" + (mat[key] as Color).getHexString();
         // }
         // for (let d of ["name", "transparent", "roughness", "metalness", "opacity", "depthTest", "map", "bumpMap", "bumpScale", "roughnessMap"])
         // {
@@ -56,14 +55,14 @@ export class MaterialDictionary
         // {
         //     for (let key of colorList)
         //     {
-        //         (mat[key] as THREE.Color).set(mat["mobx_" + key])
+        //         (mat[key] as Color).set(mat["mobx_" + key])
         //     }
         // })
 
         // this.MaterialCallback.set(id, mobxRemove);
     }
 
-    getMaterial(id: number): THREE.Material
+    getMaterial(id: number): Material
     {
         return this.MaterialDict.get(Number(id));
     }
@@ -74,4 +73,4 @@ export class MaterialDictionary
         if (callback) callback();
         this.MaterialCallback.delete(id);
     }
-}
\ No newline at end of file
+}
diff --git a/src/DatabaseServices/MaterialTable.ts b/src/DatabaseServices/MaterialTable.ts
index 3746a4fdf..5da6cdb7c 100644
--- a/src/DatabaseServices/MaterialTable.ts
+++ b/src/DatabaseServices/MaterialTable.ts
@@ -1,6 +1,5 @@
 import { SymbolTable } from "./SymbolTable";
 import { PhysicalMaterialRecord } from "./PhysicalMaterialRecord";
-import { Status } from "../Common/Status";
 
 export class MaterialTable extends SymbolTable
 {
diff --git a/src/DatabaseServices/PointInPolyline.ts b/src/DatabaseServices/PointInPolyline.ts
index 4da7e1d68..463dc8aa3 100644
--- a/src/DatabaseServices/PointInPolyline.ts
+++ b/src/DatabaseServices/PointInPolyline.ts
@@ -9,9 +9,9 @@ import { Polyline } from './Entity/Polyline';
  * 点在扇形内部,提供一个简单实现的版本.
  * 优化版本请参照:http://www.cnblogs.com/miloyip/archive/2013/04/19/3029852.html
  * 
- * @param {Arc} arc 二维圆弧
- * @param {Vector3} pt 
- * @returns {boolean} 点在扇形内部.
+ * @param arc 二维圆弧
+ * @param pt 
+ * @returns 点在扇形内部.
  */
 function IsPointInCircularSector(arc: Arc, pt: Vector3): boolean
 {
@@ -26,10 +26,10 @@ function IsPointInCircularSector(arc: Arc, pt: Vector3): boolean
 /**
  * 点在弓型内部
  * 
- * @param {Arc} arc 二维圆弧
- * @param {Vector3} pt 点
- * @param {boolean} isInChrodIsTrue 当点在弦上也认为在弓形内部
- * @returns {boolean} 点在内部
+ * @param arc 二维圆弧
+ * @param pt 点
+ * @param isInChrodIsTrue 当点在弦上也认为在弓形内部
+ * @returns 点在内部
  */
 export function IsPointInBowArc(arc: Arc, pt: Vector3, isInChrodIsTrue = false): boolean
 {
@@ -56,11 +56,9 @@ export function IsPointInBowArc(arc: Arc, pt: Vector3, isInChrodIsTrue = false):
 
 /**
  * 判断点在多段线内外
- * 
- * @export
- * @param {Polyline} pl 多段线
- * @param {Vector3} pt 点
- * @returns {boolean} 点在多段线内部
+ * @param pl 多段线
+ * @param pt 点
+ * @returns 点在多段线内部
  */
 export function IsPointInPolyLine(pl: Polyline, pt: Vector3): boolean
 {
@@ -160,8 +158,8 @@ export function IsPointInPolyLine(pl: Polyline, pt: Vector3): boolean
 /**
  * 点在区域内部
  * 
- * @param {Vector3} pt 
- * @param {Vector2[]} pts 
+ * @param pt 
+ * @param pts 
  * @returns 
  */
 function IsPointInPolygon(pt: Vector3, pts: Vector2[])