diff --git a/Assets/Scripts/App.cs b/Assets/Scripts/App.cs
index d333d6e9..805e6e11 100644
--- a/Assets/Scripts/App.cs
+++ b/Assets/Scripts/App.cs
@@ -15,7 +15,7 @@ using System.Timers;
 
 public static class App
 {
-    public static string Host = "http://192.168.0.101:5085/";
+    public static string Host = "http://192.168.0.101:5084/";
 
     public static string AppVersion = Application.version;
 
@@ -111,7 +111,7 @@ public static class App
         Host = "https://wx.powerfun.com.cn/";
         UdpAddress = new IPEndPoint(IPAddress.Parse("47.97.84.8"), 11000);
         TcpAddress = new IPEndPoint(IPAddress.Parse("47.97.84.8"), 11001);
-        Debug.unityLogger.logEnabled = false;
+        //Debug.unityLogger.logEnabled = false;
 #endif
         var isRower = PlayerPrefs.GetString("IsRowerMode");
         if (!string.IsNullOrEmpty(isRower))
diff --git a/Assets/Scripts/UI/Prefab/MapList/MapItem.cs b/Assets/Scripts/UI/Prefab/MapList/MapItem.cs
index 70e26c25..e0d7e3ea 100644
--- a/Assets/Scripts/UI/Prefab/MapList/MapItem.cs
+++ b/Assets/Scripts/UI/Prefab/MapList/MapItem.cs
@@ -43,8 +43,13 @@ public class MapItem : MonoBehaviour, IPointerExitHandler, IPointerEnterHandler,
     }
     float? localY = null;
     MapRoute map;
-    public void Initial(MapRoute myMap)
+    Dictionary<string, Texture> caches;
+    public void Initial(MapRoute myMap, Dictionary<string, Texture> caches)
     {
+        if (caches != null) 
+        {
+            this.caches = caches;
+        }
         map = myMap;
         //localY = transform.GetComponent<RectTransform>().rect.height;
         //Debug.Log(localY);
@@ -122,8 +127,8 @@ public class MapItem : MonoBehaviour, IPointerExitHandler, IPointerEnterHandler,
         transform.Find("BtnInfo").GetComponent<Button>().onClick.AddListener(Info);
         transform.Find("BtnRide").GetComponent<Button>().onClick.AddListener(Ride);
 
-        Utils.DisplayImage(transform.Find("MapTitleImg").GetComponent<RawImage>(), myMap.CoverImage, true);
-        Utils.DisplayImage(transform.Find("MapHBImg").GetComponent<RawImage>(), myMap.AltitudeGraph, true);
+        Utils.DisplayImageTempDict(transform.Find("MapTitleImg").GetComponent<RawImage>(), myMap.CoverImage, this.caches);
+        Utils.DisplayImageTempDict(transform.Find("MapHBImg").GetComponent<RawImage>(), myMap.AltitudeGraph, this.caches);
         
         SetActive4Button(false);
     }
@@ -140,11 +145,11 @@ public class MapItem : MonoBehaviour, IPointerExitHandler, IPointerEnterHandler,
             App.MainSceneParam["Name"] = "MapListPanel";
         }
         SceneManager.LoadScene("Ride");
-        foreach (var item in Utils.propTextureCache)
-        {
-            DestroyImmediate(item.Value);
-        }
-        Utils.propTextureCache.Clear();
+        //foreach (var item in Utils.propTextureCache)
+        //{
+        //    DestroyImmediate(item.Value);
+        //}
+        //Utils.propTextureCache.Clear();
     }
 
     private void Info()
@@ -262,7 +267,7 @@ public class MapItem : MonoBehaviour, IPointerExitHandler, IPointerEnterHandler,
             AltitudeGraph = model.AltitudeGraph,
             Distance = model.Distance,
             IsFavorite = model.IsFavorite,
-        });
+        },null);
     }
 
     public void Move(Vector3 position)
diff --git a/Assets/Scripts/UI/Prefab/Panel/MapListController.cs b/Assets/Scripts/UI/Prefab/Panel/MapListController.cs
index d28e0eea..277a8113 100644
--- a/Assets/Scripts/UI/Prefab/Panel/MapListController.cs
+++ b/Assets/Scripts/UI/Prefab/Panel/MapListController.cs
@@ -262,6 +262,7 @@ public class MapListController : PFUIPanel
             });
             //sortDir.GetComponent<Button>().onClick.AddListener();
         }
+        caches = new Dictionary<string, Texture>();
     }
     void onEndEdit() 
     {
@@ -354,6 +355,7 @@ public class MapListController : PFUIPanel
         }
         
     }
+    Dictionary<string, Texture> caches = null;
     void DisplayMaps(List<MapRoute> list) 
     {
         if (map != null)
@@ -361,7 +363,7 @@ public class MapListController : PFUIPanel
             foreach (var item in list)
             {
                 var obj = Instantiate(map);
-                obj.GetComponent<MapItem>().Initial(item);
+                obj.GetComponent<MapItem>().Initial(item, caches);
                 //obj.SendMessage("Initial", );
                 obj.transform.SetParent(content.transform);
                 obj.transform.localScale = new Vector3(1, 1, 1);
@@ -468,4 +470,12 @@ public class MapListController : PFUIPanel
         ResetPanel();
         transform.MyDOFade();
     }
+
+    protected override void OnDestroy()
+    {
+        caches = null;
+        Resources.UnloadUnusedAssets();
+        GC.Collect();
+        Debug.Log("list empty");
+    }
 }
diff --git a/Assets/Scripts/UI/Prefab/Race/RaceItemScript.cs b/Assets/Scripts/UI/Prefab/Race/RaceItemScript.cs
index d7524b67..3137fd08 100644
--- a/Assets/Scripts/UI/Prefab/Race/RaceItemScript.cs
+++ b/Assets/Scripts/UI/Prefab/Race/RaceItemScript.cs
@@ -40,6 +40,10 @@ public class RaceItemScript : MonoBehaviour, IPointerExitHandler, IPointerEnterH
     }
     public void Initial(MapCompetition mapCompetition,Transform parent,string from = "list")
     {
+        if (parent != null)
+        {
+            this.parent = parent;
+        }
         transform.GetComponent<Button>().onClick.RemoveAllListeners();
 #if !(UNITY_ANDROID || UNITY_IOS)
         transform.GetComponent<Button>().onClick.AddListener(() =>
@@ -48,7 +52,7 @@ public class RaceItemScript : MonoBehaviour, IPointerExitHandler, IPointerEnterH
             App.CompetionId = mapCompetition.Id;
             SceneManager.LoadScene("Ride");
         });
-        Utils.DisplayImage(transform.GetComponent<RawImage>(), mapCompetition.RouteCover, true);
+        Utils.DisplayImageTempDict(transform.GetComponent<RawImage>(), mapCompetition.RouteCover, this.parent.GetComponent<RaceScript>().caches);
 #else
         if (string.IsNullOrEmpty(_from)) 
         {
@@ -56,14 +60,14 @@ public class RaceItemScript : MonoBehaviour, IPointerExitHandler, IPointerEnterH
         }
         if (_from == "list")
         {
-            Utils.DisplayImage(transform.GetComponent<RawImage>(), mapCompetition.RouteCover, true);
+            Utils.DisplayImageTempDict(transform.GetComponent<RawImage>(), mapCompetition.RouteCover, this.parent.GetComponent<RaceScript>().caches);
             transform.GetComponent<Button>().onClick.AddListener(() =>
             {
                 UIManager.ShowRaceDetailModal(transform,mapCompetition);
             });
         }
 #endif
-        Utils.DisplayImage(transform.Find("AltitudeCurve").GetComponent<RawImage>(), mapCompetition.AltitudeGraph, true);
+        Utils.DisplayImageTempDict(transform.Find("AltitudeCurve").GetComponent<RawImage>(), mapCompetition.AltitudeGraph, this.parent.GetComponent<RaceScript>().caches);
         transform.Find("InfoContainer/Text").GetComponent<Text>().SetTextWithEllipsis(mapCompetition.Title);
         transform.Find("GetReadyContainer").gameObject.SetActive(mapCompetition.Status != 4);
         transform.Find("GetReadyContainer-2").gameObject.SetActive(mapCompetition.Status == 1);
@@ -91,10 +95,7 @@ public class RaceItemScript : MonoBehaviour, IPointerExitHandler, IPointerEnterH
             SetButtonGroup(mapCompetition);
         }
 #endif
-        if (parent != null) 
-        {
-            this.parent = parent;
-        }
+        
         this.mapCompetition = mapCompetition;
     }
 
diff --git a/Assets/Scripts/UI/Prefab/Race/RaceScript.cs b/Assets/Scripts/UI/Prefab/Race/RaceScript.cs
index 4eb775a7..71e20d04 100644
--- a/Assets/Scripts/UI/Prefab/Race/RaceScript.cs
+++ b/Assets/Scripts/UI/Prefab/Race/RaceScript.cs
@@ -1,5 +1,6 @@
 using Assets.Scripts;
 using DG.Tweening;
+using System;
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
@@ -10,6 +11,8 @@ public class RaceScript : PFUIPanel
     // Start is called before the first frame update
     protected Transform currentItem { get; set; }
     IEnumerator _timer { get; set; }
+    public Dictionary<string, Texture> caches { get; set; }
+
     public override void Show()
     {
         base.Show();
@@ -71,7 +74,6 @@ public class RaceScript : PFUIPanel
         while (true)
         {
             yield return new WaitForSeconds(1.0f); // 
-            Debug.Log(123);
             HandleTime();
             //time = UIManager.Now.GetDateTime().AddSeconds(1);
         }
@@ -138,8 +140,10 @@ public class RaceScript : PFUIPanel
         }
     }
 
-    void Awake()
+    protected override void Awake()
     {
+        base.Awake();
+        caches = new Dictionary<string, Texture>();
         if (_timer == null) 
         {
             _timer = Timer();
@@ -151,4 +155,12 @@ public class RaceScript : PFUIPanel
     {
         
     }
+
+    protected override void OnDestroy()
+    {
+        caches = null;
+        Resources.UnloadUnusedAssets();
+        GC.Collect();
+        Debug.Log("list empty");
+    }
 }
diff --git a/Assets/Scripts/Utils/Utils.cs b/Assets/Scripts/Utils/Utils.cs
index c36f71db..b3c1c3ca 100644
--- a/Assets/Scripts/Utils/Utils.cs
+++ b/Assets/Scripts/Utils/Utils.cs
@@ -309,7 +309,7 @@ namespace Assets.Scripts
         /*显示网络图片*/
         public static Dictionary<string, Texture> propTextureCache = new Dictionary<string, Texture>();
         public delegate Coroutine StartCoroutine(IEnumerator routine);
-        public static void DisplayImage(RawImage img, string url, bool cache = false)
+        public static void DisplayImage(RawImage img, string url, bool cache = false,Dictionary<string,Texture> caches = null)
         {
             if (string.IsNullOrEmpty(url))
                 return;
@@ -332,12 +332,38 @@ namespace Assets.Scripts
                 }
             }
             UIManager.Instance.StartCoroutine(DownloadImage(img, url,(texture)=> {
-                if (cache && !propTextureCache.ContainsKey(url))
-                {
-                    propTextureCache.Add(url, texture);
-                }
+                //if (cache && !propTextureCache.ContainsKey(url))
+                //{
+                //    propTextureCache.Add(url, texture);
+                //}
             }));
             
+        }
+        /// <summary>
+        /// 使用临时字典存放图片，切换页面后清除
+        /// </summary>
+        /// <param name="img"></param>
+        /// <param name="url"></param>
+        /// <param name="caches"></param>
+        public static void DisplayImageTempDict(RawImage img, string url, Dictionary<string, Texture> caches = null)
+        {
+            if (string.IsNullOrEmpty(url))
+                return;
+            if (caches!=null)
+            {
+                if (caches.ContainsKey(url))
+                {
+                    img.texture = caches[url];
+                    return;
+                }
+            }
+            UIManager.Instance.StartCoroutine(DownloadImage(img, url, (texture) => {
+                if (caches != null && !caches.ContainsKey(url))
+                {
+                    caches.Add(url, texture);
+                }
+            }));
+
         }
 
         public static void DisplayImageAysnc(StartCoroutine startCoroutine, RawImage img, string url,Action<string> action)
@@ -349,13 +375,15 @@ namespace Assets.Scripts
 
         static IEnumerator DownloadImage(RawImage img,string MediaUrl, Action<Texture> action = null)
         {
-            UnityWebRequest request = UnityWebRequestTexture.GetTexture(MediaUrl);
+            UnityWebRequest request = UnityWebRequestTexture.GetTexture(MediaUrl,true);
             yield return request.SendWebRequest();
             if (request.isNetworkError || request.isHttpError)
                 Debug.Log(request.error);
             else if(img!=null)
             {
-                img.texture = ((DownloadHandlerTexture)request.downloadHandler).texture;
+                var _t = ((DownloadHandlerTexture)request.downloadHandler).texture;
+                _t.name = MediaUrl;
+                img.texture = _t;
                 if (action != null) 
                 {
                     action.Invoke(img.texture);
@@ -365,7 +393,7 @@ namespace Assets.Scripts
 
         static IEnumerator DownloadImageCallBack(RawImage img, string MediaUrl,Action<string> action)
         {
-            UnityWebRequest request = UnityWebRequestTexture.GetTexture(MediaUrl);
+            UnityWebRequest request = UnityWebRequestTexture.GetTexture(MediaUrl, true);
             yield return request.SendWebRequest();
             if (request.isNetworkError || request.isHttpError)
                 Debug.Log(request.error);
diff --git a/ProjectSettings/ProjectSettings.asset b/ProjectSettings/ProjectSettings.asset
index b907b183..526a5358 100644
--- a/ProjectSettings/ProjectSettings.asset
+++ b/ProjectSettings/ProjectSettings.asset
@@ -179,7 +179,7 @@ PlayerSettings:
   applicationIdentifier:
     Android: com.ZhiXingPai.PowerFunUnity
   buildNumber:
-    iPhone: 2.0.5.0
+    iPhone: 2.0.6.2
   AndroidBundleVersionCode: 8
   AndroidMinSdkVersion: 24
   AndroidTargetSdkVersion: 30
@@ -256,7 +256,7 @@ PlayerSettings:
   clonedFromGUID: c0afd0d1d80e3634a9dac47e8a0426ea
   templatePackageId: com.unity.template.3d@4.2.8
   templateDefaultScene: Assets/Scenes/SampleScene.unity
-  AndroidTargetArchitectures: 3
+  AndroidTargetArchitectures: 1
   AndroidSplashScreenScale: 0
   androidSplashScreen: {fileID: 0}
   AndroidKeystoreName: '{inproject}: Assets/Plugins/Android/powerfun.keystore'
@@ -868,7 +868,7 @@ PlayerSettings:
   platformArchitecture:
     iPhone: 1
   scriptingBackend:
-    Android: 1
+    Android: 0
     Standalone: 0
   il2cppCompilerConfiguration:
     Standalone: 0