diff --git a/src/app/ui/collection-tools/collection-tools.component.ts b/src/app/ui/collection-tools/collection-tools.component.ts
index 52ec061..7e8064b 100644
--- a/src/app/ui/collection-tools/collection-tools.component.ts
+++ b/src/app/ui/collection-tools/collection-tools.component.ts
@@ -1451,6 +1451,8 @@ export class CollectionToolsComponent implements OnInit {
         isSuccess.then(res=>{
           this.canvas.refreshBackgroundImage()
         })
+      }else if (data == '更新背景图') {
+        this.canvas.refreshBackgroundImage()
       }
     })
   }
diff --git a/src/app/ui/collection-tools/editPlaneFigure.html b/src/app/ui/collection-tools/editPlaneFigure.html
index bab09da..d21cbf3 100644
--- a/src/app/ui/collection-tools/editPlaneFigure.html
+++ b/src/app/ui/collection-tools/editPlaneFigure.html
@@ -42,7 +42,7 @@
       <button mat-raised-button color="primary" type="submit" [disabled]="!form.form.valid">
           确定
       </button>
-      <button mat-raised-button mat-dialog-close>取消</button>
+      <button mat-raised-button (click)='close()'>取消</button>
     </div>
 
   </form>
diff --git a/src/app/ui/collection-tools/leftFunctionalDomain.ts b/src/app/ui/collection-tools/leftFunctionalDomain.ts
index 92be8fb..079f199 100644
--- a/src/app/ui/collection-tools/leftFunctionalDomain.ts
+++ b/src/app/ui/collection-tools/leftFunctionalDomain.ts
@@ -73,6 +73,8 @@ export class editPlaneFigureComponent implements OnInit {
     this.details = this.data.buildingData.details || ''
     this.imgWidth = this.data.buildingData.imageWidth || 0
     this.imgHeight = this.data.buildingData.imageHeight || 0
+    this.oldWidth = JSON.parse(JSON.stringify(this.data.buildingData.imageWidth || 0))
+    this.oldHeight = JSON.parse(JSON.stringify(this.data.buildingData.imageHeight || 0))
     if (this.imgWidth==0 && this.imgHeight==0 && this.data.buildingData.imageUrl) {
       let that = this
       let img = new Image()
@@ -93,6 +95,9 @@ export class editPlaneFigureComponent implements OnInit {
     });
   }
 
+  oldWidth:number; //原图片宽
+  oldHeight:number; //原图片高
+
   name:any; //name
   checked:boolean = false;//是否为避难层
   area:number; //面积
@@ -126,6 +131,17 @@ export class editPlaneFigureComponent implements OnInit {
     e.checked? this.imgScale = Number((this.imgWidth/this.imgHeight)) : null
   }
 
+  //关闭
+  close () {
+    if (this.oldWidth === this.imgWidth && this.oldHeight === this.imgHeight) {
+      this.dialogRef.close()
+    } else {
+      this.canvasData.selectStorey.imageWidth = this.oldWidth
+      this.canvasData.selectStorey.imageHeight = this.oldHeight
+      this.dialogRef.close('更新背景图');
+    }
+  }
+
   //提交表单修改平面图
   onSubmit (e) {
     if (!this.data.isBuilding) { //总平面图 修改平面图