fix: 修复H5端openLocation导航按钮功能不正常的Bug

src/platforms/h5/components/system-routes/open-location/index.vue

@@ -70,7 +70,7 @@ export default {
     },
     _nav () {
       var url =
-					`https://apis.map.qq.com/uri/v1/routeplan?type=drive&to=${encodeURIComponent(this.name)}&tocoord=${this.latitude},${this.longitude}&referer=${referer}`
+					`https://apis.map.qq.com/uri/v1/routeplan?type=drive&to=${encodeURIComponent(this.name || '目的地')}&tocoord=${this.latitude},${this.longitude}&referer=${referer}`
       this.$refs.map.src = url
     }
   }