[完善]修改Viewer报错

src/app/ui/collection-tools/collection-tools.component.ts

@@ -526,10 +526,13 @@ export class CollectionToolsComponent implements OnInit {
    if(type == 1){
      this.isProperty = true
      setTimeout(() => {
-      this.gallery = new Viewer(document.getElementById('viewerjs'),{
-        url: 'data-original'
-      });
-      this.gallery.update()
+       if(document.getElementById('viewerjs')){
+        this.gallery = new Viewer(document.getElementById('viewerjs'),{
+          url: 'data-original'
+        });
+        this.gallery.update()
+       }
+      
      }, 0);
      
    }else{

src/app/ui/plan/collection-tools.component.ts

@@ -145,10 +145,12 @@ export class planComponent implements OnInit {
     if(type == 1){
       this.isProperty = true
       setTimeout(() => {
-        this.gallery = new Viewer(document.getElementById('viewerjs'),{
-          url: 'data-original'
-        });
-        this.gallery.update()
+        if(document.getElementById('viewerjs')){
+          this.gallery = new Viewer(document.getElementById('viewerjs'),{
+            url: 'data-original'
+          });
+          this.gallery.update()
+        }
        }, 0);
     }else{
       this.isProperty = false