diff --git a/src/app/working-area/working-area.component.ts b/src/app/working-area/working-area.component.ts
index c5431d6..d063522 100644
--- a/src/app/working-area/working-area.component.ts
+++ b/src/app/working-area/working-area.component.ts
@@ -88,15 +88,12 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
         this.emit('deleteIcon');
       }
     });
-    // // 测试代码
-    // this.eventManager.addGlobalEventListener('window', 'keypress', (event: any) => {
-    //   if (event.keyCode === 97) {
-    //     this.copy();
-    //   }
-    //   if (event.keyCode === 115) {
-    //     this.paste('1', '2', '3');
-    //   }
-    // });
+    // 测试代码
+    this.eventManager.addGlobalEventListener('window', 'keypress', (event: any) => {
+      if (event.keyCode === 97) {
+        console.log(Guid.uuid2(24, 16));
+      }
+    });
   }
 
   ngAfterViewInit(): void {
@@ -384,7 +381,7 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
                 FixedSize: this.canvasData.selectTemplateData.fixedSize,
                 Height : 32,
                 Width : 32,
-                Id: Guid.NewGuid().ToString(),
+                Id: Guid.uuid2(24, 16),
                 ImageUrl: this.canvasData.selectTemplateData.imageUrl,
                 InteractiveMode: this.canvasData.selectTemplateData.interactiveMode,
                 MultiPoint : null,
@@ -435,7 +432,7 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
                 FixedSize: this.canvasData.selectTemplateData.fixedSize,
                 Height: 32,
                 Width: 32,
-                Id: Guid.NewGuid().ToString(),
+                Id: Guid.uuid2(24, 16),
                 ImageUrl: this.canvasData.selectTemplateData.imageUrl,
                 InteractiveMode: this.canvasData.selectTemplateData.interactiveMode,
                 MultiPoint: JSON.parse(JSON.stringify(this.paintPoints)),
@@ -704,7 +701,7 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
             FixedSize: this.canvasData.selectTemplateData.fixedSize,
             Height: 32,
             Width: 32,
-            Id: Guid.NewGuid().ToString(),
+            Id: Guid.uuid2(24, 16),
             ImageUrl: this.canvasData.selectTemplateData.imageUrl,
             InteractiveMode: this.canvasData.selectTemplateData.interactiveMode,
             MultiPoint: JSON.parse(JSON.stringify(this.paintPoints)),
@@ -746,7 +743,7 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
     this.copyData.forEach(item => {
       item.Point = new PIXI.Point(item.Point.x + 5, item.Point.y + 5);
       const newData = JSON.parse(JSON.stringify(item));
-      newData.Id = Guid.NewGuid().ToString();
+      newData.Id = Guid.uuid2(24, 16),
       newData.CompanyId = companyId;
       newData.BuildingId = buildingId;
       newData.FloorId = floorId;
@@ -1334,30 +1331,40 @@ export class Selection {
  * guid
  */
 export class Guid {
-  private _guid: string;
-  constructor(public guid: string) {
-    this._guid = guid;
-  }
-  // Static member
-  static NewGuid(): Guid {
-    let result: string;
-    let i: string;
-    let j: number;
-
-    result = '';
-    for (j = 0; j < 32; j++) {
-      if (j === 8 || j === 12 || j === 16 || j === 20) {
-        result = result + '-';
+
+  static uuid2(len, radix) {
+  const chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
+
+  // tslint:disable-next-line: one-variable-per-declaration
+  let uuid = [], i;
+  radix = radix || chars.length;
+
+  if (len) {
+    // Compact form
+    // tslint:disable-next-line: no-bitwise
+    for (i = 0; i < len; i++) { uuid[i] = chars[0 | Math.random() * radix]; }
+  } else {
+    // rfc4122, version 4 form
+    let r;
+
+    // rfc4122 requires these characters
+    uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';
+    uuid[14] = '4';
+
+    // Fill in random data.  At i==19 set the high bits of clock sequence as
+    // per rfc4122, sec. 4.1.5
+    for (i = 0; i < 36; i++) {
+      if (!uuid[i]) {
+        // tslint:disable-next-line: no-bitwise
+        r = 0 | Math.random() * 16;
+        // tslint:disable-next-line: no-bitwise
+        uuid[i] = chars[(i === 19) ? (r & 0x3) | 0x8 : r];
       }
-      i = Math.floor(Math.random() * 16).toString(16).toUpperCase();
-      result = result + i;
     }
-    return new Guid(result);
   }
 
-  public ToString(): string {
-    return this.guid;
-  }
+  return uuid.join('');
+}
 }
 
 /**