diff --git a/src/app/ui/collection-tools/collection-tools.component.ts b/src/app/ui/collection-tools/collection-tools.component.ts
index eaafa8a..f12602c 100644
--- a/src/app/ui/collection-tools/collection-tools.component.ts
+++ b/src/app/ui/collection-tools/collection-tools.component.ts
@@ -488,11 +488,13 @@ export class CollectionToolsComponent implements OnInit {
           let config = new MatSnackBarConfig();
           config.verticalPosition = 'top';
           config.duration = 3000
+          this.canvasData.isChange = false
           this.snackBar.open('保存成功','确定',config);
         },err=>{
           let config = new MatSnackBarConfig();
           config.verticalPosition = 'top';
           config.duration = 3000
+          this.canvasData.isChange = true
           this.snackBar.open('平面图数据保存失败','确定',config);
         })
 
@@ -500,11 +502,13 @@ export class CollectionToolsComponent implements OnInit {
           let config = new MatSnackBarConfig();
           config.verticalPosition = 'top';
           config.duration = 3000
+          this.canvasData.isChange = false
           this.snackBar.open('保存成功','确定',config);
         },err=>{
           let config = new MatSnackBarConfig();
           config.verticalPosition = 'top';
           config.duration = 3000
+          this.canvasData.isChange = true
           this.snackBar.open('单位数据保存失败','确定',config);
         })
       }else{
@@ -512,11 +516,13 @@ export class CollectionToolsComponent implements OnInit {
           let config = new MatSnackBarConfig();
           config.verticalPosition = 'top';
           config.duration = 3000
+          this.canvasData.isChange = false
           this.snackBar.open('保存成功','确定',config);
         },err=>{
           let config = new MatSnackBarConfig();
           config.verticalPosition = 'top';
           config.duration = 3000
+          this.canvasData.isChange = true
           this.snackBar.open('平面图数据保存失败','确定',config);
         })
 
@@ -524,11 +530,13 @@ export class CollectionToolsComponent implements OnInit {
           let config = new MatSnackBarConfig();
           config.verticalPosition = 'top';
           config.duration = 3000
+          this.canvasData.isChange = false
           this.snackBar.open('保存成功','确定',config);
         },err=>{
           let config = new MatSnackBarConfig();
           config.verticalPosition = 'top';
           config.duration = 3000
+          this.canvasData.isChange = true
           this.snackBar.open('单位数据保存失败','确定',config);
         })
       }