diff --git a/lib_base/src/main/java/com/android/base/adapter/DataManager.java b/lib_base/src/main/java/com/android/base/adapter/DataManager.java
index f92f4ad..f35a37b 100644
--- a/lib_base/src/main/java/com/android/base/adapter/DataManager.java
+++ b/lib_base/src/main/java/com/android/base/adapter/DataManager.java
@@ -56,6 +56,8 @@ public interface DataManager<T> {
 
     void removeItems(List<T> elements);
 
+    void removeItems(List<T> elements, boolean isSuccessive);
+
     //get
     T getItem(int position);
 
diff --git a/lib_base/src/main/java/com/android/base/adapter/list/BaseListAdapter.java b/lib_base/src/main/java/com/android/base/adapter/list/BaseListAdapter.java
index ba792db..6fc5a36 100644
--- a/lib_base/src/main/java/com/android/base/adapter/list/BaseListAdapter.java
+++ b/lib_base/src/main/java/com/android/base/adapter/list/BaseListAdapter.java
@@ -136,6 +136,11 @@ public abstract class BaseListAdapter<T, VH extends ViewHolder> extends BaseAdap
         mDataManager.removeItems(elements);
     }
 
+    @Override
+    public void removeItems(List<T> elements, boolean isSuccessive) {
+        mDataManager.removeItems(elements, isSuccessive);
+    }
+
     @Override
     public void removeAt(int index) {
         mDataManager.removeAt(index);
diff --git a/lib_base/src/main/java/com/android/base/adapter/list/ListDataManagerImpl.java b/lib_base/src/main/java/com/android/base/adapter/list/ListDataManagerImpl.java
index c6efa6a..52221f0 100644
--- a/lib_base/src/main/java/com/android/base/adapter/list/ListDataManagerImpl.java
+++ b/lib_base/src/main/java/com/android/base/adapter/list/ListDataManagerImpl.java
@@ -123,6 +123,11 @@ final class ListDataManagerImpl<T> implements DataManager<T> {
         }
     }
 
+    @Override
+    public void removeItems(List<T> elements, boolean isSuccessive) {
+        removeItems(elements);
+    }
+
     @Override
     public void removeAt(int index) {
         if (mData != null && mData.size() > index) {
diff --git a/lib_base/src/main/java/com/android/base/adapter/recycler/DiffRecyclerAdapter.java b/lib_base/src/main/java/com/android/base/adapter/recycler/DiffRecyclerAdapter.java
index 6054520..5a29991 100644
--- a/lib_base/src/main/java/com/android/base/adapter/recycler/DiffRecyclerAdapter.java
+++ b/lib_base/src/main/java/com/android/base/adapter/recycler/DiffRecyclerAdapter.java
@@ -195,6 +195,11 @@ public abstract class DiffRecyclerAdapter<T, VH extends ViewHolder> extends Recy
         mAsyncListDiffer.submitList(newList);
     }
 
+    @Override
+    public void removeItems(List<T> elements, boolean isSuccessive) {
+        removeItems(elements);
+    }
+
     @Override
     public void removeAt(int index) {
         if (getDataSize() > index) {
diff --git a/lib_base/src/main/java/com/android/base/adapter/recycler/MultiTypeAdapter.java b/lib_base/src/main/java/com/android/base/adapter/recycler/MultiTypeAdapter.java
index 7571c1a..cc4f88e 100644
--- a/lib_base/src/main/java/com/android/base/adapter/recycler/MultiTypeAdapter.java
+++ b/lib_base/src/main/java/com/android/base/adapter/recycler/MultiTypeAdapter.java
@@ -120,6 +120,11 @@ public class MultiTypeAdapter extends me.drakeet.multitype.MultiTypeAdapter impl
         mRecyclerDataManager.removeItems(elements);
     }
 
+    @Override
+    public void removeItems(List<Object> elements, boolean isSuccessive) {
+        mRecyclerDataManager.removeItems(elements, isSuccessive);
+    }
+
     @Override
     public Object getItem(int position) {
         return mRecyclerDataManager.getItem(position);
diff --git a/lib_base/src/main/java/com/android/base/adapter/recycler/RecyclerAdapter.java b/lib_base/src/main/java/com/android/base/adapter/recycler/RecyclerAdapter.java
index 4326a66..b8f897c 100644
--- a/lib_base/src/main/java/com/android/base/adapter/recycler/RecyclerAdapter.java
+++ b/lib_base/src/main/java/com/android/base/adapter/recycler/RecyclerAdapter.java
@@ -112,6 +112,11 @@ public abstract class RecyclerAdapter<T, VH extends ViewHolder> extends Recycler
         mDataManager.removeItems(elements);
     }
 
+    @Override
+    public void removeItems(List<T> elements, boolean isSuccessive) {
+        mDataManager.removeItems(elements, isSuccessive);
+    }
+
     @Override
     public void removeAt(int index) {
         mDataManager.removeAt(index);
diff --git a/lib_base/src/main/java/com/android/base/adapter/recycler/RecyclerDataManagerImpl.java b/lib_base/src/main/java/com/android/base/adapter/recycler/RecyclerDataManagerImpl.java
index 1524222..e923ec4 100644
--- a/lib_base/src/main/java/com/android/base/adapter/recycler/RecyclerDataManagerImpl.java
+++ b/lib_base/src/main/java/com/android/base/adapter/recycler/RecyclerDataManagerImpl.java
@@ -170,6 +170,25 @@ final class RecyclerDataManagerImpl<T> implements DataManager<T> {
         }
     }
 
+    @Override
+    public void removeItems(List<T> elements, boolean isSuccessive) {
+        if (Checker.isEmpty(elements) || Checker.isEmpty(mData)) {
+            return;
+        }
+        if (!isSuccessive) {
+            removeItems(elements);
+            return;
+        }
+        T data = elements.get(0);
+        int index = mData.indexOf(data);
+        if (index == -1) {
+            removeItems(elements);
+        } else {
+            mData.removeAll(elements);
+            notifyItemRangeRemoved(index, elements.size());
+        }
+    }
+
     @Override
     public T getItem(int position) {
         position = position - getHeaderSize();
@@ -241,6 +260,10 @@ final class RecyclerDataManagerImpl<T> implements DataManager<T> {
         mAdapter.notifyItemRemoved(index);
     }
 
+    private void notifyItemRangeRemoved(int index, int size) {
+        mAdapter.notifyItemRangeRemoved(index, size);
+    }
+
     void setHeaderSize(HeaderSize headerSize) {
         mHeaderSize = headerSize;
     }
diff --git a/lib_base/src/main/java/com/android/base/app/aac/AutoDisposeLiveData.kt b/lib_base/src/main/java/com/android/base/app/aac/AutoDisposeLiveData.kt
index db50540..57b9438 100644
--- a/lib_base/src/main/java/com/android/base/app/aac/AutoDisposeLiveData.kt
+++ b/lib_base/src/main/java/com/android/base/app/aac/AutoDisposeLiveData.kt
@@ -8,38 +8,6 @@ import com.github.dmstocking.optional.java.util.Optional
 import com.uber.autodispose.*
 
 
-fun <T> ObservableSubscribeProxy<T>.toLiveData(): LiveData<T> {
-    val liveData = MutableLiveData<T>()
-    this.subscribeIgnoreError {
-        liveData.postValue(it)
-    }
-    return liveData
-}
-
-fun <T> FlowableSubscribeProxy<T>.toLiveData(): LiveData<T> {
-    val liveData = MutableLiveData<T>()
-    this.subscribeIgnoreError {
-        liveData.postValue(it)
-    }
-    return liveData
-}
-
-fun <T> SingleSubscribeProxy<T>.toLiveData(): LiveData<T> {
-    val liveData = MutableLiveData<T>()
-    this.subscribeIgnoreError {
-        liveData.postValue(it)
-    }
-    return liveData
-}
-
-fun <T> MaybeSubscribeProxy<T>.toLiveData(): LiveData<T> {
-    val liveData = MutableLiveData<T>()
-    this.subscribeIgnoreError {
-        liveData.postValue(it)
-    }
-    return liveData
-}
-
 //-----------------------------------------------------------------------------------------
 
 fun <T> ObservableSubscribeProxy<T>.subscribeWithLiveData(liveData: MutableLiveData<Resource<T>>) {
@@ -152,6 +120,18 @@ fun CompletableSubscribeProxy.subscribeWithLiveData(liveData: MutableLiveData<Re
     )
 }
 
+fun <T> CompletableSubscribeProxy.subscribeWithLiveData(liveData: MutableLiveData<Resource<T>>, provider: () -> T) {
+    liveData.postValue(Resource.loading())
+    this.subscribe(
+            {
+                liveData.postValue(Resource.success(provider()))
+            },
+            {
+                liveData.postValue(Resource.error(it))
+            }
+    )
+}
+
 //-----------------------------------------------------------------------------------------
 
 fun <T> ObservableSubscribeProxy<T>.toResourceLiveData(): LiveData<Resource<T>> {
@@ -222,4 +202,38 @@ fun CompletableSubscribeProxy.toResourceLiveData(): LiveData<Resource<Any>> {
             }
     )
     return mutableLiveData
+}
+
+//-----------------------------------------------------------------------------------------
+
+fun <T> ObservableSubscribeProxy<T>.toLiveData(): LiveData<T> {
+    val liveData = MutableLiveData<T>()
+    this.subscribeIgnoreError {
+        liveData.postValue(it)
+    }
+    return liveData
+}
+
+fun <T> FlowableSubscribeProxy<T>.toLiveData(): LiveData<T> {
+    val liveData = MutableLiveData<T>()
+    this.subscribeIgnoreError {
+        liveData.postValue(it)
+    }
+    return liveData
+}
+
+fun <T> SingleSubscribeProxy<T>.toLiveData(): LiveData<T> {
+    val liveData = MutableLiveData<T>()
+    this.subscribeIgnoreError {
+        liveData.postValue(it)
+    }
+    return liveData
+}
+
+fun <T> MaybeSubscribeProxy<T>.toLiveData(): LiveData<T> {
+    val liveData = MutableLiveData<T>()
+    this.subscribeIgnoreError {
+        liveData.postValue(it)
+    }
+    return liveData
 }
\ No newline at end of file
diff --git a/lib_base/src/main/java/com/android/base/app/aac/ResourceLiveData.kt b/lib_base/src/main/java/com/android/base/app/aac/ResourceLiveData.kt
index d2c21fb..d8553d8 100644
--- a/lib_base/src/main/java/com/android/base/app/aac/ResourceLiveData.kt
+++ b/lib_base/src/main/java/com/android/base/app/aac/ResourceLiveData.kt
@@ -120,6 +120,18 @@ fun Completable.subscribeWithLiveData(liveData: MutableLiveData<Resource<Any>>)
     )
 }
 
+fun <T> Completable.subscribeWithLiveData(liveData: MutableLiveData<Resource<T>>, provider: () -> T) {
+    liveData.postValue(Resource.loading())
+    this.subscribe(
+            {
+                liveData.postValue(Resource.success(provider()))
+            },
+            {
+                liveData.postValue(Resource.error(it))
+            }
+    )
+}
+
 //-----------------------------------------------------------------------------------------
 
 fun <T> Observable<T>.toResourceLiveData(): LiveData<Resource<T>> {
diff --git a/lib_base/src/main/java/com/android/base/app/fragment/Fragments.kt b/lib_base/src/main/java/com/android/base/app/fragment/Fragments.kt
index d77e9e3..b0cef5f 100644
--- a/lib_base/src/main/java/com/android/base/app/fragment/Fragments.kt
+++ b/lib_base/src/main/java/com/android/base/app/fragment/Fragments.kt
@@ -86,7 +86,7 @@ fun <T : Fragment> FragmentManager.findFragmentByTag(clazz: KClass<T>): T? {
     return findFragmentByTag(clazz.java.name) as? T
 }
 
-fun FragmentManager.popBackTo(flag: String, immediate: Boolean = false) {
+fun FragmentManager.popBackUntil(flag: String, immediate: Boolean = false) {
     if (immediate) {
         popBackStackImmediate(flag, FragmentManager.POP_BACK_STACK_INCLUSIVE)
     } else {
@@ -94,6 +94,14 @@ fun FragmentManager.popBackTo(flag: String, immediate: Boolean = false) {
     }
 }
 
+fun FragmentManager.popBackTo(flag: String, immediate: Boolean = false) {
+    if (immediate) {
+        popBackStackImmediate(flag, 0)
+    } else {
+        popBackStack(flag,0)
+    }
+}
+
 fun FragmentManager.clearBackStack(immediate: Boolean = false) {
     if (immediate) {
         this.popBackStackImmediate(null, FragmentManager.POP_BACK_STACK_INCLUSIVE)
diff --git a/lib_base/src/main/java/com/android/base/app/fragment/RefreshableStateLayoutImpl.java b/lib_base/src/main/java/com/android/base/app/fragment/RefreshableStateLayoutImpl.java
index 5fe8cdb..e088fa4 100644
--- a/lib_base/src/main/java/com/android/base/app/fragment/RefreshableStateLayoutImpl.java
+++ b/lib_base/src/main/java/com/android/base/app/fragment/RefreshableStateLayoutImpl.java
@@ -120,7 +120,7 @@ final class RefreshableStateLayoutImpl implements RefreshStateLayout, StateLayou
     @Override
     public void showServerErrorLayout() {
         refreshCompleted();
-        checkMultiStateView().showNetErrorLayout();
+        checkMultiStateView().showServerErrorLayout();
     }
 
     @Override
diff --git a/lib_base/src/main/java/com/android/base/app/ui/UIEx.kt b/lib_base/src/main/java/com/android/base/app/ui/UIEx.kt
index 1c7ec40..96b1b60 100644
--- a/lib_base/src/main/java/com/android/base/app/ui/UIEx.kt
+++ b/lib_base/src/main/java/com/android/base/app/ui/UIEx.kt
@@ -148,8 +148,14 @@ fun RefreshStateLayout.processErrorWithStatus(throwable: Throwable?) {
     val errorTypeClassifier = BaseKit.get().errorClassifier()
     if (errorTypeClassifier != null) {
         when {
-            errorTypeClassifier.isNetworkError(throwable) -> showNetErrorLayout()
-            errorTypeClassifier.isServerError(throwable) -> showServerErrorLayout()
+            errorTypeClassifier.isNetworkError(throwable) -> {
+                Timber.d("isNetworkError showNetErrorLayout")
+                showNetErrorLayout()
+            }
+            errorTypeClassifier.isServerError(throwable) -> {
+                Timber.d("isServerError showServerErrorLayout")
+                showServerErrorLayout()
+            }
             else -> showErrorLayout()
         }
     } else {
diff --git a/lib_base/src/main/java/com/android/base/kotlin/Collections.kt b/lib_base/src/main/java/com/android/base/kotlin/Collections.kt
index 8f33905..78e2629 100644
--- a/lib_base/src/main/java/com/android/base/kotlin/Collections.kt
+++ b/lib_base/src/main/java/com/android/base/kotlin/Collections.kt
@@ -2,6 +2,18 @@ package com.android.base.kotlin
 
 import com.android.base.utils.common.CollectionUtils
 
-fun <T> List<T>?.toArrayList(): ArrayList<T> {
+fun <E> List<E>?.toArrayList(): ArrayList<E> {
     return CollectionUtils.toArrayList(this)
+}
+
+fun <E> MutableList<E>.removeWhich(filter: (E) -> Boolean): Boolean {
+    var removed = false
+    val each = iterator()
+    while (each.hasNext()) {
+        if (filter(each.next())) {
+            each.remove()
+            removed = true
+        }
+    }
+    return removed
 }
\ No newline at end of file
diff --git a/lib_base/src/main/java/com/android/base/widget/MultiStateView.java b/lib_base/src/main/java/com/android/base/widget/MultiStateView.java
index 2898281..fc1a733 100644
--- a/lib_base/src/main/java/com/android/base/widget/MultiStateView.java
+++ b/lib_base/src/main/java/com/android/base/widget/MultiStateView.java
@@ -1,6 +1,5 @@
 package com.android.base.widget;
 
-import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.support.annotation.NonNull;
@@ -8,6 +7,7 @@ import android.support.annotation.Nullable;
 import android.util.AttributeSet;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
@@ -32,7 +32,7 @@ public class MultiStateView extends FrameLayout {
     private LayoutInflater mInflater;
     private SparseArray<ViewHolder> mChildren;
     private View mContentView;
-    private boolean mDisableOperationWhenRequesting = true;
+    private boolean mDisableOperationWhenRequesting = false;
 
     @Nullable
     private StateListener mListener;
@@ -64,7 +64,7 @@ public class MultiStateView extends FrameLayout {
         int emptyViewResId = a.getResourceId(R.styleable.MultiStateView_msv_emptyView, -1);
         int errorViewResId = a.getResourceId(R.styleable.MultiStateView_msv_errorView, -1);
         int netErrorViewResId = a.getResourceId(R.styleable.MultiStateView_msv_net_errorView, -1);
-        int serverErrorViewResId = a.getResourceId(R.styleable.MultiStateView_msv_net_errorView, -1);
+        int serverErrorViewResId = a.getResourceId(R.styleable.MultiStateView_msv_server_errorView, -1);
 
         mChildren.put(LOADING, new ViewHolder(loadingViewResId));
         mChildren.put(REQUESTING, new ViewHolder(requestingViewResId));
@@ -73,7 +73,7 @@ public class MultiStateView extends FrameLayout {
         mChildren.put(NET_ERROR, new ViewHolder(netErrorViewResId));
         mChildren.put(SERVER_ERROR, new ViewHolder(serverErrorViewResId));
 
-        mDisableOperationWhenRequesting = a.getBoolean(R.styleable.MultiStateView_msv_disable_when_requesting, true);
+        mDisableOperationWhenRequesting = a.getBoolean(R.styleable.MultiStateView_msv_disable_when_requesting, false);
 
         ensureInitState(a.getInt(R.styleable.MultiStateView_msv_viewState, CONTENT));
 
@@ -272,25 +272,35 @@ public class MultiStateView extends FrameLayout {
 
         View curStateView = ensureStateView(mViewState);
         int size = mChildren.size();
+
         for (int i = 0; i < size; i++) {
             ViewHolder viewHolder = mChildren.valueAt(i);
             if (viewHolder.mView == null) {
                 continue;
             }
+
             if (viewHolder.mView != curStateView) {
-                if (mViewState == REQUESTING && viewHolder.mView != mContentView) {
-                    viewHolder.mView.setVisibility(GONE);
+                if (mViewState == REQUESTING && viewHolder.mView == mContentView) {
+                    viewHolder.mView.setVisibility(VISIBLE);
                 } else {
                     viewHolder.mView.setVisibility(GONE);
                 }
             }
         }
+
         curStateView.setVisibility(VISIBLE);
+    }
 
-        if (mViewState == REQUESTING) {
-            curStateView.setOnTouchListener(mDisableOperationWhenRequesting ? NO_ACTION_TOUCH_LISTENER : null);
+    @Override
+    public boolean onInterceptTouchEvent(MotionEvent ev) {
+        if (ev.getAction() == MotionEvent.ACTION_DOWN) {
+            if (mViewState == REQUESTING) {
+                return mDisableOperationWhenRequesting;
+            } else {
+                return false;
+            }
         }
-
+        return super.onInterceptTouchEvent(ev);
     }
 
     /**
@@ -322,17 +332,6 @@ public class MultiStateView extends FrameLayout {
 
     public void setDisableOperationWhenRequesting(boolean disableOperationWhenRequesting) {
         mDisableOperationWhenRequesting = disableOperationWhenRequesting;
-        ViewHolder viewHolder = mChildren.get(LOADING);
-        if (viewHolder == null || viewHolder.mView == null) {
-            return;
-        }
-        if (disableOperationWhenRequesting) {
-            if (mViewState == REQUESTING) {
-                viewHolder.mView.setOnTouchListener(NO_ACTION_TOUCH_LISTENER);
-            }
-        } else {
-            viewHolder.mView.setOnTouchListener(null);
-        }
     }
 
     /**
@@ -361,21 +360,18 @@ public class MultiStateView extends FrameLayout {
         void onStateInflated(@ViewState int viewState, @NonNull View view);
     }
 
-    @SuppressLint("ClickableViewAccessibility")
-    private static final OnTouchListener NO_ACTION_TOUCH_LISTENER = (v, event) -> true;
-
     private class ViewHolder {
         private View mView;
         private int mViewLayoutId;
 
-        public ViewHolder(int viewLayoutId) {
+        ViewHolder(int viewLayoutId) {
             this(null, viewLayoutId);
         }
 
-        public ViewHolder(View view, int viewLayoutId) {
+        ViewHolder(View view, int viewLayoutId) {
             mView = view;
             mViewLayoutId = viewLayoutId;
         }
     }
 
-}
+}
\ No newline at end of file
diff --git a/lib_base/src/main/res/values/base_ids.xml b/lib_base/src/main/res/values/base_ids.xml
index c2d29c2..7256f19 100644
--- a/lib_base/src/main/res/values/base_ids.xml
+++ b/lib_base/src/main/res/values/base_ids.xml
@@ -4,7 +4,6 @@
     <item name="base_item_tag_view_id" type="id"/>
     <item name="base_tag_multi_state_view" type="id"/>
 
-
     <item name="base_retry_tv" type="id"/><!--重试text-->
     <item name="base_retry_icon" type="id"/><!--重试icon-->
     <item name="base_retry_btn" type="id"/><!--重试btn-->
@@ -14,5 +13,4 @@
     <item name="base_state_layout" type="id"/><!--状态布局控件，如multiStatusView-->
     <item name="common_toolbar" type="id"/><!--toolbar-->
 
-
 </resources>
\ No newline at end of file