diff --git a/src/components/mobile/MapSheet.vue b/src/components/mobile/MapSheet.vue
index 295be4f9..e6a988a0 100644
--- a/src/components/mobile/MapSheet.vue
+++ b/src/components/mobile/MapSheet.vue
@@ -48,7 +48,7 @@ export default {
 
         return {
             mapSupported: !!this.mapHolder,
-            mapDependencyLoaded: this.mapHolder.dependencyLoaded,
+            mapDependencyLoaded: this.mapHolder && this.mapHolder.dependencyLoaded,
             mapInited: false,
             initCenter: {
                 latitude: 0,
@@ -105,7 +105,7 @@ export default {
 
             if (!this.mapHolder.inited) {
                 const languageInfo = this.$locale.getCurrentLanguageInfo();
-                
+
                 initMapInstance(this.mapHolder, this.$refs.map, {
                     language: languageInfo ? languageInfo.code : null,
                     initCenter: this.initCenter,