diff --git a/src/components/index.vue b/src/components/index.vue
index abedee2..f8fd329 100644
--- a/src/components/index.vue
+++ b/src/components/index.vue
@@ -334,6 +334,7 @@
     },
     ChangeBGC() {
       // 给予gis的方法调用demo  A
+      if(this.$refs["PathView"].hasOwnProperty('REFSFunctionToGis'))
       this.$refs["PathView"].REFSFunctionToGis(this.flag);
       // 给予gis的方法调用demo  E