兼容老版本没有刘海屏下巴高度

plugins/mixins.js

@@ -18,8 +18,11 @@ const mixins = {
         let height = _this.$rocNative.isIOS ? res.statusBarHeight : res.statusBarHeight / window.devicePixelRatio;
         _this.statusBarHeight = height;
         //	刘海屏底部高度
-        let homeIndicatorHeight = _this.$rocNative.isIOS ? res.homeIndicatorHeight : res.homeIndicatorHeight / window.devicePixelRatio;
-        _this.homeIndicatorHeight = homeIndicatorHeight;
+         if(res.homeIndicatorHeight) {
+           let homeIndicatorHeight = _this.$rocNative.isIOS ? res.homeIndicatorHeight : res.homeIndicatorHeight / window.devicePixelRatio;
+           _this.homeIndicatorHeight = homeIndicatorHeight;
+         }
+
       })
     }
   },