绘制干管bug修复

adm_comp/src/views/DiagramTemplate.vue

@@ -982,7 +982,7 @@
 
 			const params:any = {lines: lines, templateId: this.currentTemplate.id};
 			const sel = this.editor.getSelComp();
-			if(sel.compType == 'mainPipe')
+			if(sel && sel.compType == 'mainPipe')
 				params.currentCompId = sel.id;
 			this.callAction('drawMainPipe', params);
 		}