[修改]修改平面图消防要素树报错bug

src/app/ui/collection-tools-building/collection-tools.component.html

@@ -527,7 +527,7 @@
                 <span title="{{node.name}}" [ngClass]="{'treeText': !node.isTemplate}">
                   {{node.name}}
                 </span>
-                <span *ngIf="node.isTemplate">({{node.children.length}})</span>
+                <span *ngIf="node.isTemplate && node.children">({{node.children.length}})</span>
                 <span class="isLookCss" (click)="clickLookItem(node)">
                   <mat-icon [ngClass]="{'icongray': node.isLook == false}">visibility</mat-icon>
                 </span>

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

@@ -505,7 +505,7 @@
                 <span title="{{node.name}}" [ngClass]="{'treeText': !node.isTemplate}">
                   {{node.name}}
                 </span>
-                <span *ngIf="node.isTemplate">({{node.children.length}})</span>
+                <span *ngIf="node.isTemplate && node.children">({{node.children.length}})</span>
                 <span class="isLookCss" (click)="clickLookItem(node)">
                   <mat-icon [ngClass]="{'icongray': node.isLook == false}">visibility</mat-icon>
                 </span>

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

@@ -633,7 +633,7 @@
                 <span title="{{node.name}}" [ngClass]="{'treeText': !node.isTemplate}">
                   {{node.name}}
                 </span>
-                <span *ngIf="node.isTemplate">({{node.children.length}})</span>
+                <span *ngIf="node.isTemplate && node.children">({{node.children.length}})</span>
                 <span class="isLookCss" (click)="clickLookItem(node)">
                   <mat-icon [ngClass]="{'icongray': node.isLook == false}">visibility</mat-icon>
                 </span>