diff --git a/app/src/main/java/com/yizhuan/erban/MainActivity.java b/app/src/main/java/com/yizhuan/erban/MainActivity.java
index 09936d579..81691c4e8 100644
--- a/app/src/main/java/com/yizhuan/erban/MainActivity.java
+++ b/app/src/main/java/com/yizhuan/erban/MainActivity.java
@@ -231,20 +231,9 @@ public class MainActivity extends BaseMvpActivity<IMainView, MainPresenter>
     private LivingIconView userLivingView;
     private View viewClose;
 
-    private FloatingLiveMiniView floatingLiveMiniView;
 
     private MainTabLayout mMainTabLayout;
     private int mCurrentMainPosition = MainTabLayout.MAIN_TAB_POS_HOME;
-    /**
-     * 是否需要预加载home，by lvzebiao v3.1.2
-     * 因为首页标签添加帧动画，防止，第一次点击标签过于卡顿
-     */
-    private final static boolean PRELOAD_HOME = false;
-
-    /**
-     * 保存登录的次数
-     */
-    private LongSparseArray<Integer> loginCountMap = new LongSparseArray<>(1);
 
     /**
      * 房间最小化动画，换成属性动画，原先的补间动画影响了activity的生命周期
@@ -255,8 +244,6 @@ public class MainActivity extends BaseMvpActivity<IMainView, MainPresenter>
      */
     private LimitEnterRoomHelper limitEnterRoomHelper;
 
-    GestureDetector detector;
-
 
     public static void start(Context context) {
         start(context, null);
diff --git a/app/src/main/java/com/yizhuan/erban/ui/widget/AppBarLayoutBehavior.java b/app/src/main/java/com/yizhuan/erban/ui/widget/AppBarLayoutBehavior.java
index 0cfb114cc..eea8a7a37 100644
--- a/app/src/main/java/com/yizhuan/erban/ui/widget/AppBarLayoutBehavior.java
+++ b/app/src/main/java/com/yizhuan/erban/ui/widget/AppBarLayoutBehavior.java
@@ -129,9 +129,7 @@ public class AppBarLayoutBehavior extends AppBarLayout.Behavior {
             if (overScroller != null && !overScroller.isFinished()) {
                 overScroller.abortAnimation();
             }
-        } catch (NoSuchFieldException e) {
-            e.printStackTrace();
-        } catch (IllegalAccessException e) {
+        } catch (Exception e) {
             e.printStackTrace();
         }
     }
diff --git a/core/src/main/java/com/yizhuan/xchat_android_core/linked/LinkedModel.java b/core/src/main/java/com/yizhuan/xchat_android_core/linked/LinkedModel.java
index f54d200f0..c33b0ceeb 100644
--- a/core/src/main/java/com/yizhuan/xchat_android_core/linked/LinkedModel.java
+++ b/core/src/main/java/com/yizhuan/xchat_android_core/linked/LinkedModel.java
@@ -3,8 +3,6 @@ package com.yizhuan.xchat_android_core.linked;
 import com.yizhuan.xchat_android_core.base.BaseModel;
 import com.yizhuan.xchat_android_core.linked.bean.LinkedInfo;
 
-import org.greenrobot.eventbus.EventBus;
-
 public class LinkedModel extends BaseModel implements ILinkedModel{
 
     private LinkedInfo linkedInfo;
@@ -23,7 +21,6 @@ public class LinkedModel extends BaseModel implements ILinkedModel{
     }
 
     private LinkedModel() {
-        EventBus.getDefault().register(this);
     }