修改左侧导航功能

components/drawer/threeLineDrawer.vue

@@ -66,7 +66,12 @@
 			},
 			closeDrawer: function() {
 				this.drawerIsShow = false;
-				this.$parent.leftbar();
+				
+				if(this.$parent!=undefined)
+				{
+					this.$parent.leftbar();
+				}
+				
 			},
 			clickChangeColor: function(index) {
 				this.changeGary = index;