feat: 处理上传壁纸页面返回导航栏不显示的问题

pages/piano/wallpaper/wallpaper.json

@@ -1,5 +1,10 @@
 {
   "usingComponents": {
     "nav-bar": "./../../../components/navbar/navbar"
-  }
+  },
+  "window": {
+    "navigationStyle": "default"
+  },
+  "navigationStyle": "default",
+  "navigationBarTitleText": "壁纸设置"
 }