完善页面

lib/pages/home/nearby_tab.dart

@@ -103,7 +103,7 @@ class _NearbyTabState extends State<NearbyTab> with AutomaticKeepAliveClientMixi
                   height: MediaQuery.of(context).size.height - totalBottomPadding,
                   child: const Center(
                     child: Text(
-                      "暂未获取到定位，请稍后重试",
+                      "你未开启定位，请开启定位后再试",
                       style: TextStyle(fontSize: 14, color: Color(0xFF999999)),
                     ),
                   ),