diff --git a/src/app/working-area/working-area.component.ts b/src/app/working-area/working-area.component.ts
index 9891df1..4d9e2f7 100644
--- a/src/app/working-area/working-area.component.ts
+++ b/src/app/working-area/working-area.component.ts
@@ -140,6 +140,8 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
     if (delta > 0) {
       if (this.backgroundImage.scale.x >= 32) {
         this.backgroundImage.scale.x = 32;
+        this.backgroundImage.scale.y = 32;
+        this.emit('mouseWheel', this.backgroundImage.scale.x);
         return;
       }
       this.backgroundImage.pivot.set(pivot.x, pivot.y);
@@ -151,7 +153,9 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
       this.backgroundImage.position.y += delY;
     } else if (delta < 0) {
       if (this.backgroundImage.scale.x <= 0.1) {
+        this.backgroundImage.scale.x = 0.1;
         this.backgroundImage.scale.y = 0.1;
+        this.emit('mouseWheel', this.backgroundImage.scale.x);
         return;
       }
       this.backgroundImage.pivot.set(pivot.x, pivot.y);
@@ -162,6 +166,7 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
       this.backgroundImage.position.x += delX;
       this.backgroundImage.position.y += delY;
     }
+    this.emit('mouseWheel', this.backgroundImage.scale.x);
   }
   /**
    * 创建画布
@@ -845,8 +850,8 @@ export class SinglePointIcon extends PIXI.Container {
     this.y = this.assetData.Point.y;
     this.name = this.assetData.Id;
     const singlePointIcon = PIXI.Sprite.from(this.assetData.ImageUrl);
-    singlePointIcon.x = 0; // this.assetData.Point.x;
-    singlePointIcon.y = 0; // this.assetData.Point.y;
+    singlePointIcon.x = 0;
+    singlePointIcon.y = 0;
     singlePointIcon.width = this.assetData.Width;
     singlePointIcon.height = this.assetData.Height;
 
@@ -892,6 +897,14 @@ export class SinglePointIcon extends PIXI.Container {
 
      });
 
+    this.workingArea.on('mouseWheel', data => {
+      if (this.assetData.FixedSize) {
+        const scale = 1 / data;
+        console.log(scale);
+        this.scale.set(scale);
+      }
+    });
+
     this.text.x = singlePointIcon.x;
     this.text.y = singlePointIcon.y - singlePointIcon.height / 2;
     this.text.anchor.set(0.5, 1);