地图选择位置null解决；

lib/login/login_page.dart

@@ -343,7 +343,8 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
         EasyLoading.dismiss();
 
       } else {
-        // SmartDialog.showToast("${value?.msg ??""}", alignment: Alignment.center);
+        if(value?.msg !=null)
+        SmartDialog.showToast("${value?.msg ??""}", alignment: Alignment.center);
       }
     });
   }

lib/retrofit/min_api.dart

@@ -102,7 +102,7 @@ abstract class MinApiService {
           }
         } else if (map["code"] != 0 && response.request.baseUrl == baseUrl) {
           ///高德地图的poi服务请求不需要toast
-          SmartDialog.showToast(map["msg"], alignment: Alignment.center);
+          // SmartDialog.showToast(map["msg"], alignment: Alignment.center);
         }
         debugPrint(
             "======================= Min_响应数据结束 =======================\n");

lib/retrofit/retrofit_api.dart

@@ -130,7 +130,7 @@ abstract class ApiService {
           }
         } else if (map["code"] != 0 && response.request.baseUrl == baseUrl) {
           ///高德地图的poi服务请求不需要toast
-          SmartDialog.showToast(map["msg"], alignment: Alignment.center);
+          // SmartDialog.showToast(map["msg"], alignment: Alignment.center);
         }
         debugPrint("======================= 响应数据结束 =======================\n");
       }, onError: (DioError e) {

lib/retrofit/retrofit_api.g.dart

@@ -92,7 +92,7 @@ class _ApiService implements ApiService {
         data: _data);
     final value = BaseData<LoginInfo>.fromJson(
       _result.data,
-      (json) => LoginInfo.fromJson(json),
+      (json) => json==""?null :LoginInfo.fromJson(json),
     );
     return value;
   }