diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 5bba4d8..8521e95 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -20,7 +20,7 @@
         android:hardwareAccelerated="true"
         tools:targetApi="31">
         <activity
-            android:name=".MainActivity"
+            android:name=".HomeActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
diff --git a/app/src/main/java/org/sifacai/vlcjellyfin/CollectionActivity2.java b/app/src/main/java/org/sifacai/vlcjellyfin/CollectionActivity2.java
index 150f279..bfdafde 100644
--- a/app/src/main/java/org/sifacai/vlcjellyfin/CollectionActivity2.java
+++ b/app/src/main/java/org/sifacai/vlcjellyfin/CollectionActivity2.java
@@ -74,7 +74,7 @@ public class CollectionActivity2 extends BaseActivity{
                 fillItems();
                 setLoadMore();
             }
-        });
+        },null);
     }
 
     /**
@@ -93,7 +93,7 @@ public class CollectionActivity2 extends BaseActivity{
                 setTitleTip();
                 mGridContiner.finishLoadMore();
             }
-        });
+        },null);
     }
 
     private void setLoadMore(){
diff --git a/app/src/main/java/org/sifacai/vlcjellyfin/Config.java b/app/src/main/java/org/sifacai/vlcjellyfin/Config.java
index 98d7f97..964f551 100644
--- a/app/src/main/java/org/sifacai/vlcjellyfin/Config.java
+++ b/app/src/main/java/org/sifacai/vlcjellyfin/Config.java
@@ -66,7 +66,7 @@ public class Config {
      */
     public void getConfigFromSP() {
         SharedPreferences sp = context.getSharedPreferences("Jellyfin", context.MODE_PRIVATE);
-        this.JellyfinUrl = sp.getString("url", "");
+        this.JellyfinUrl = sp.getString("url", "http://");
         this.UserName = sp.getString("username", "");
         this.PassWord = sp.getString("password", "");
         this.SortBy = sp.getString("sortby","DateCreated");
diff --git a/app/src/main/java/org/sifacai/vlcjellyfin/HomeActivity.java b/app/src/main/java/org/sifacai/vlcjellyfin/HomeActivity.java
index 306f6e3..4b52caf 100644
--- a/app/src/main/java/org/sifacai/vlcjellyfin/HomeActivity.java
+++ b/app/src/main/java/org/sifacai/vlcjellyfin/HomeActivity.java
@@ -53,12 +53,19 @@ public class HomeActivity extends BaseActivity{
                                     showLoginDialog();
                                 }
                             }
-                        },false);
+                        },null,false);
                     }else{
                         ShowToask("服务器地址不正确！");
                         showLoginDialog();
                     }
                 }
+            },new JfClient.JJCallBack(){
+                @Override
+                public void onError(String str) {
+                    dismissLoadingDialog();
+                    ShowToask("服务器连接失败！");
+                    showLoginDialog();
+                }
             });
         }else{
             initView();
@@ -108,11 +115,17 @@ public class HomeActivity extends BaseActivity{
                                         ShowToask("用户名密码不正确！");
                                     }
                                 }
-                            },saveBox.isChecked());
+                            },null,saveBox.isChecked());
                         }else{
                             ShowToask("服务器地址不正确！");
                         }
                     }
+                },new JfClient.JJCallBack(){
+                    @Override
+                    public void onError(String str) {
+                        dismissLoadingDialog();
+                        ShowToask("服务器地址不正确！");
+                    }
                 });
             }
         });
@@ -134,17 +147,17 @@ public class HomeActivity extends BaseActivity{
                         public void onSuccess(JsonArray latests) {
                             addRowTvRecyclerView("新的 " + name,latests,false);
                         }
-                    });
+                    },null);
                 }
                 dismissLoadingDialog();
             }
-        });
+        },null);
         JfClient.GetResume(new JfClient.JJCallBack(){
             @Override
             public void onSuccess(JsonArray resumes) {
                 addRowTvRecyclerView("最近播放",resumes,false);
             }
-        });
+        },null);
     }
 
 
diff --git a/app/src/main/java/org/sifacai/vlcjellyfin/JfClient.java b/app/src/main/java/org/sifacai/vlcjellyfin/JfClient.java
index 543f5ff..4a74f71 100644
--- a/app/src/main/java/org/sifacai/vlcjellyfin/JfClient.java
+++ b/app/src/main/java/org/sifacai/vlcjellyfin/JfClient.java
@@ -75,7 +75,7 @@ public class JfClient {
             public void onSuccess(String str) {
                 //回放报告
             }
-        });
+        },null);
     }
 
     /**
@@ -113,7 +113,7 @@ public class JfClient {
      * @param itemid
      * @param cb
      */
-    public static void GetAddPart(String itemid,JJCallBack cb){
+    public static void GetAddPart(String itemid,JJCallBack cb,JJCallBack errcb){
         String AddPartUrl = "/Videos/" + itemid + "/AdditionalParts?userId=" + UserId;
         SendGet(AddPartUrl,new JJCallBack(){
             @Override
@@ -124,7 +124,7 @@ public class JfClient {
                     cb.onSuccess(items);
                 }
             }
-        });
+        },errcb);
     }
 
     /**
@@ -133,7 +133,7 @@ public class JfClient {
      * @param seasonId 季ID
      * @param cb
      */
-    public static void GetEpisodes(String seriesId, String seasonId, JJCallBack cb) {
+    public static void GetEpisodes(String seriesId, String seasonId, JJCallBack cb,JJCallBack errcb) {
         String EpisodesUrl = config.getJellyfinUrl() + "/Shows/" + seriesId + "/Episodes?seasonId=" + seasonId;
         EpisodesUrl += "&userId=" + UserId;
         EpisodesUrl += "&Fields=ItemCounts,PrimaryImageAspectRatio,BasicSyncInfo,CanDelete,MediaSourceCount,Overview";
@@ -147,7 +147,7 @@ public class JfClient {
                     cb.onSuccess(items);
                 }
             }
-        });
+        },errcb);
 
     }
 
@@ -157,7 +157,7 @@ public class JfClient {
      * @param seriesId 剧ID
      * @param cb
      */
-    public static void GetSeasons(String seriesId, JJCallBack cb) {
+    public static void GetSeasons(String seriesId, JJCallBack cb,JJCallBack errcb) {
         String SeasonsUrl = config.getJellyfinUrl() + "/Shows/" + seriesId + "/Seasons?userId=" + UserId;
         SeasonsUrl += "&Fields=ItemCounts,PrimaryImageAspectRatio,BasicSyncInfo,MediaSourceCount";
 
@@ -170,7 +170,7 @@ public class JfClient {
                     cb.onSuccess(items);
                 }
             }
-        });
+        },errcb);
     }
 
     /**
@@ -184,7 +184,7 @@ public class JfClient {
      * @param page      页
      * @param cb
      */
-    public static void GetCollection(String parentId, String type, String sortBy, String sortOrder, int limit, int page, JJCallBack cb) {
+    public static void GetCollection(String parentId, String type, String sortBy, String sortOrder, int limit, int page, JJCallBack cb,JJCallBack errcb) {
         String itemsUrl = config.getJellyfinUrl() + "/Users/" + UserId + "/Items?ParentId=" + parentId + "&Limit=" + limit;
         itemsUrl += "&Recursive=true&Fields=PrimaryImageAspectRatio,BasicSyncInfo,Seasons,Episodes&ImageTypeLimit=1";
         itemsUrl += "&EnableImageTypes=Primary,Backdrop,Banner,Thumb";
@@ -206,7 +206,7 @@ public class JfClient {
                 JsonObject items = strToGson(str, JsonObject.class);
                 cb.onSuccess(items);
             }
-        });
+        },errcb);
     }
 
     /**
@@ -215,7 +215,7 @@ public class JfClient {
      * @param parentId
      * @param cb
      */
-    public static void GetLatest(String parentId, JJCallBack cb) {
+    public static void GetLatest(String parentId, JJCallBack cb,JJCallBack errcb) {
         String lastestUrl = config.getJellyfinUrl() + "/Users/" + UserId + "/Items/Latest?";
         lastestUrl += "Limit=16&Fields=PrimaryImageAspectRatio%2CBasicSyncInfo%2CPath";
         lastestUrl += "&ImageTypeLimit=1&EnableImageTypes=Primary,Backdrop,Thumb";
@@ -229,7 +229,7 @@ public class JfClient {
                     cb.onSuccess(latestObj);
                 }
             }
-        });
+        },errcb);
     }
 
     /**
@@ -237,7 +237,7 @@ public class JfClient {
      *
      * @param cb
      */
-    public static void GetResume(JJCallBack cb) {
+    public static void GetResume(JJCallBack cb,JJCallBack err) {
         String resumeUrl = config.getJellyfinUrl() + "/Users/" + UserId + "/Items/Resume?";
         resumeUrl += "Limit=12&Recursive=true&Fields=PrimaryImageAspectRatio,BasicSyncInfo";
         resumeUrl += "&ImageTypeLimit=1&EnableImageTypes=Primary,Backdrop,Thumb";
@@ -252,7 +252,7 @@ public class JfClient {
                     cb.onSuccess(resumes);
                 }
             }
-        });
+        },err);
     }
 
     /**
@@ -260,7 +260,7 @@ public class JfClient {
      *
      * @param cb
      */
-    public static void GetViews(JJCallBack cb) {
+    public static void GetViews(JJCallBack cb,JJCallBack err) {
         String viewsUrl = config.getJellyfinUrl() + "/Users/" + UserId + "/Views";
         SendGet(viewsUrl, new JJCallBack() {
             @Override
@@ -271,7 +271,7 @@ public class JfClient {
                     cb.onSuccess(views);
                 }
             }
-        });
+        },err);
     }
 
     /**
@@ -280,7 +280,7 @@ public class JfClient {
      * @param itemid
      * @param cb
      */
-    public static void GetItemInfo(String itemid, JJCallBack cb) {
+    public static void GetItemInfo(String itemid, JJCallBack cb,JJCallBack err) {
         String url = config.getJellyfinUrl() + "/Users/" + UserId + "/Items/" + itemid;
         SendGet(url, new JJCallBack() {
             @Override
@@ -290,7 +290,7 @@ public class JfClient {
                     cb.onSuccess(item);
                 }
             }
-        });
+        },err);
     }
 
     /**
@@ -300,7 +300,7 @@ public class JfClient {
      * @param password
      * @param cb
      */
-    public static void AuthenticateByName(String username, String password, JJCallBack cb, boolean saveUser) {
+    public static void AuthenticateByName(String username, String password, JJCallBack cb,JJCallBack err, boolean saveUser) {
         String url = config.getJellyfinUrl() + "/Users/authenticatebyname";
         String reqjson = "{\"Username\":\"" + username + "\",\"Pw\":\"" + password + "\"}";
         SendPost(url, reqjson, new JJCallBack() {
@@ -326,7 +326,7 @@ public class JfClient {
                     cb.onSuccess(false);
                 }
             }
-        });
+        },err);
     }
 
     /**
@@ -334,7 +334,7 @@ public class JfClient {
      *
      * @param cb
      */
-    public static void GetUsers(JJCallBack cb) {
+    public static void GetUsers(JJCallBack cb,JJCallBack err) {
         String url = config.getJellyfinUrl() + "/users/public";
         SendGet(url, new JJCallBack() {
             @Override
@@ -342,7 +342,7 @@ public class JfClient {
                 JsonArray users = strToGson(str, JsonArray.class);
                 cb.onSuccess(users);
             }
-        });
+        },err);
     }
 
     /**
@@ -351,7 +351,7 @@ public class JfClient {
      * @param url
      * @param cb
      */
-    public static void VerityServerUrl(String url, JJCallBack cb) {
+    public static void VerityServerUrl(String url, JJCallBack cb,JJCallBack err) {
         if (url.length() > 0) {
             if (url.startsWith("http://") || url.startsWith("https://")) {
 
@@ -368,7 +368,7 @@ public class JfClient {
                             cb.onSuccess(true);
                         }
                     }
-                });
+                },err);
 
             }
         }else{
@@ -396,7 +396,7 @@ public class JfClient {
      * @param url
      * @param cb
      */
-    public static void SendGet(String url, JJCallBack cb) {
+    public static void SendGet(String url, JJCallBack cb,JJCallBack errcb) {
             OkGo.<String>get(url).headers(headers).execute(new AbsCallback<String>() {
                 @Override
                 public String convertResponse(okhttp3.Response response) throws IOException {
@@ -414,7 +414,9 @@ public class JfClient {
 
                 @Override
                 public void onError(Response<String> response) {
-                    cb.onSuccess("");
+                    if(errcb != null){
+                        errcb.onError(response.body());
+                    }
                 }
             });
     }
@@ -426,7 +428,7 @@ public class JfClient {
      * @param jsonStr
      * @param cb
      */
-    public static void SendPost(String url, String jsonStr, JJCallBack cb) {
+    public static void SendPost(String url, String jsonStr, JJCallBack cb,JJCallBack errcb) {
         OkGo.<String>post(url).headers(headers).upJson(jsonStr).execute(new AbsCallback<String>() {
             @Override
             public String convertResponse(okhttp3.Response response) throws Throwable {
@@ -444,7 +446,9 @@ public class JfClient {
 
             @Override
             public void onError(Response<String> response) {
-                cb.onSuccess("");
+                if(errcb != null){
+                    errcb.onError(response.body());
+                }
             }
         });
     }
@@ -513,6 +517,11 @@ public class JfClient {
         public void onSuccess(JsonArray jsonArray) {
 
         }
+
+        @Override
+        public void onError(String str) {
+
+        }
     }
 
     public interface JCallBack {
@@ -523,5 +532,7 @@ public class JfClient {
         void onSuccess(JsonObject jsonObject);
 
         void onSuccess(JsonArray jsonArray);
+
+        void onError(String str);
     }
 }