diff --git a/angular.json b/angular.json
index fefd3d8..b44cd73 100644
--- a/angular.json
+++ b/angular.json
@@ -64,8 +64,8 @@
               "budgets": [
                 {
                   "type": "initial",
-                  "maximumWarning": "6mb",
-                  "maximumError": "6mb"
+                  "maximumWarning": "8mb",
+                  "maximumError": "8mb"
                 },
                 {
                   "type": "anyComponentStyle",
diff --git a/src/app/ui/collection-tools-plan/collection-tools.component.ts b/src/app/ui/collection-tools-plan/collection-tools.component.ts
index dd5db9b..c591b0f 100644
--- a/src/app/ui/collection-tools-plan/collection-tools.component.ts
+++ b/src/app/ui/collection-tools-plan/collection-tools.component.ts
@@ -627,7 +627,6 @@ export class CollectionToolsPlanComponent implements OnInit {
   firstMultipleAssetData:any//当前多选的第一个素材
   ngOnInit(): void {
     let _this = this
-    
     AxMessageSystem.addListener('selectionChanged', ()=>{
       if(this.canvas.selection.size() == 1){//如果是单选
         this.isMultipleAsset = false
diff --git a/src/app/ui/collection-tools/collection-tools.component.ts b/src/app/ui/collection-tools/collection-tools.component.ts
index 400ca8b..c8227de 100644
--- a/src/app/ui/collection-tools/collection-tools.component.ts
+++ b/src/app/ui/collection-tools/collection-tools.component.ts
@@ -822,7 +822,14 @@ export class CollectionToolsComponent implements OnInit {
   copyAssetData:any //存储用于复制的素材
   //复制素材
   copyAsset(){
-    this.canvas.copy()
+    if(this.canvas.selection.allowEdit()){//如果当前选中素材可以编辑
+      this.canvas.copy()
+    }else{
+      let config = new MatSnackBarConfig();
+      config.verticalPosition = 'top';
+      config.duration = 3000
+      this.snackBar.open('当前选中素材不可复制','确定',config);
+    }
   }
   //粘贴素材
   pasteAsset(){