fix: 图片提交4x，提示画质。iOS logo提交；

lib/utils/tools/app_sp.dart

@@ -5,7 +5,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 // 用法： AppSp().setString("key", "value");
 class AppSp {
   static SharedPreferences? _instance;
-  static final String _basePrefix = "omiyo.";
+  static final String _basePrefix = "app.";
   static Future<SharedPreferences>? _instanceFuture;
 
   static Future<SharedPreferences> getInstance() {

lib/utils/tools/help_img.dart

@@ -17,6 +17,14 @@ class ConstImg {
   static const String tabMineUnselect = "assets/common/tab_mine_unselect.png";
   // loading
   static const String loading = "assets/common/loading.gif";
+  static const String btnBg = "assets/common/btn_bg.png";
+  static const String noData = "assets/common/no_data.png";
+  static const String nodataImg = "assets/common/nodata_img.png";
+  static const String noworkImg = "assets/common/nowork_img.png";
+  // applogo
+  static const String appLogo = "assets/common/applogo.png";
+
+
   static const String homeBg = "assets/imgs/home_bg.png";
 
   // home_card_bg
@@ -91,10 +99,9 @@ class ConstImg {
   static const String mineAb = "assets/mine/mine_ab.png";
   static const String minePp = "assets/mine/mine_pp.png";
   static const String mineUa = "assets/mine/mine_ua.png";
+  static const String collection = "assets/mine/collection.png";
 
 
-  // nodata
-  static const String noData = "assets/images/nodata.png";
 
   static const String loadingJson = "assets/bagua.json";
   // static get appLoading => Lottie.asset(loadingJson, width: 60, height: 60);
@@ -180,15 +187,18 @@ class HelpImg {
       fit: fit,
       loadingBuilder: (context, child, loadingProgress) {
         if (loadingProgress == null) return child;
-        return Center(
-          //CircularProgressIndicator
-          child: Container(
-            width: 50,
-            height: 50,
-            padding: const EdgeInsets.all(5),
-            child: CircularProgressIndicator(
-              color: Colors.white,
-              strokeWidth: 2,
+        return SizedBox(
+          width: width, height: height,
+          child: Center(
+            //CircularProgressIndicator
+            child: Container(
+              width: 30,
+              height: 30,
+              padding: const EdgeInsets.all(5),
+              child: CircularProgressIndicator(
+                color: Colors.white,
+                strokeWidth: 1,
+              ),
             ),
           ),
         );