diff --git a/app/src/main/java/com/chad/baserecyclerviewadapterhelper/PullToRefreshUseActivity.java b/app/src/main/java/com/chad/baserecyclerviewadapterhelper/PullToRefreshUseActivity.java
index bf0e0a8bf..ddcf0efa0 100644
--- a/app/src/main/java/com/chad/baserecyclerviewadapterhelper/PullToRefreshUseActivity.java
+++ b/app/src/main/java/com/chad/baserecyclerviewadapterhelper/PullToRefreshUseActivity.java
@@ -63,7 +63,8 @@ public void onLoadMoreRequested() {
             mRecyclerView.post(new Runnable() {
                 @Override
                 public void run() {
-                    mQuickAdapter.isNextLoad(false);
+                   // mQuickAdapter.isNextLoad(false);
+                    mQuickAdapter.notifyDataChangedAfterLoadMore(false);
                 }
             });
 
@@ -73,7 +74,8 @@ public void run() {
                 public void run() {
                     DataServer.addData(mQuickAdapter.getData(), PAGE_SIZE);
                     mCurrentCounter = mQuickAdapter.getItemCount();
-                    mQuickAdapter.isNextLoad(true);
+                  //  mQuickAdapter.isNextLoad(true);
+                    mQuickAdapter.notifyDataChangedAfterLoadMore(true);
 
                 }
             }, delayMillis);
@@ -97,7 +99,9 @@ private void initAdapter() {
         mQuickAdapter.openLoadAnimation();
         mRecyclerView.setAdapter(mQuickAdapter);
         mCurrentCounter = mQuickAdapter.getItemCount();
-        mQuickAdapter.setOnLoadMoreListener(PAGE_SIZE, this);
+       // mQuickAdapter.setOnLoadMoreListener(PAGE_SIZE, this);
+        mQuickAdapter.setOnLoadMoreListener(this);
+        mQuickAdapter.openLoadMore(PAGE_SIZE,true);//or call mQuickAdapter.setPageSize(PAGE_SIZE);  mQuickAdapter.openLoadMore(true);
         addHeadView();
         mQuickAdapter.setOnRecyclerViewItemClickListener(new BaseQuickAdapter.OnRecyclerViewItemClickListener() {
             @Override
diff --git a/library/src/main/java/com/chad/library/adapter/base/BaseQuickAdapter.java b/library/src/main/java/com/chad/library/adapter/base/BaseQuickAdapter.java
index 9218c1416..f23349d0a 100755
--- a/library/src/main/java/com/chad/library/adapter/base/BaseQuickAdapter.java
+++ b/library/src/main/java/com/chad/library/adapter/base/BaseQuickAdapter.java
@@ -23,6 +23,7 @@
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 
 
@@ -31,7 +32,7 @@
  */
 public abstract class BaseQuickAdapter<T> extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
 
-    private boolean mNextLoadEnable;
+    private boolean mNextLoadEnable = false;
     private boolean mLoadingMoreEnable = false;
     private boolean mFirstOnlyEnable = true;
     private boolean mOpenAnimationEnable = false;
@@ -92,11 +93,19 @@ public abstract class BaseQuickAdapter<T> extends RecyclerView.Adapter<RecyclerV
     protected static final int EMPTY_VIEW = 0x00000555;
     private View mHeaderView;
     private View mFooterView;
+    private int pageSize = -1;
     /**
      * View to show if there are no items to show.
      */
     private View mEmptyView;
 
+    /**
+     * call the method will not enable the loadMore funcation and the params pageSize is invalid
+     * more infomation see{@link  public void openLoadMore(int pageSize, boolean enable),@link  public void setOnLoadMoreListener(RequestLoadMoreListener requestLoadMoreListener)} method
+     *
+     * @param pageSize
+     * @param requestLoadMoreListener
+     */
     @Deprecated
     public void setOnLoadMoreListener(int pageSize, RequestLoadMoreListener requestLoadMoreListener) {
 
@@ -104,11 +113,51 @@ public void setOnLoadMoreListener(int pageSize, RequestLoadMoreListener requestL
     }
 
     public void setOnLoadMoreListener(RequestLoadMoreListener requestLoadMoreListener) {
-
-        mNextLoadEnable = true;
         this.mRequestLoadMoreListener = requestLoadMoreListener;
     }
 
+    /**
+     * when adapter's data size than pageSize and enable is true,the loading more function is enable,or disable
+     *
+     * @param pageSize
+     * @param enable
+     */
+    public void openLoadMore(int pageSize, boolean enable) {
+        this.pageSize = pageSize;
+        mNextLoadEnable = enable;
+
+    }
+
+    /**
+     * call the method before you should call setPageSize() method to setting up the enablePagerSize value,whether it will  invalid
+     * enable the loading more data function if enable's value is true,or disable
+     *
+     * @param enable
+     */
+    public void openLoadMore(boolean enable) {
+        mNextLoadEnable = enable;
+
+    }
+
+    /**
+     * setting up the size to decide the loading more data funcation whether enable
+     * enable if the data size than pageSize,or diable
+     *
+     * @param pageSize
+     */
+    public void setPageSize(int pageSize) {
+        this.pageSize = pageSize;
+    }
+
+    /**
+     * return the value of pageSize
+     *
+     * @return
+     */
+    public int getPageSize() {
+        return this.pageSize;
+    }
+
     public void setOnRecyclerViewItemClickListener(OnRecyclerViewItemClickListener onRecyclerViewItemClickListener) {
         this.onRecyclerViewItemClickListener = onRecyclerViewItemClickListener;
     }
@@ -149,12 +198,17 @@ public void onClick(View v) {
     public BaseQuickAdapter(Context context, int layoutResId, List<T> data) {
         this.mData = data == null ? new ArrayList<T>() : new ArrayList<T>(data);
         this.mContext = context;
-        this.mLayoutResId = layoutResId;
+        if (layoutResId != 0) {
+            this.mLayoutResId = layoutResId;
+        }
     }
 
     public BaseQuickAdapter(Context context, List<T> data) {
-        this.mData = data == null ? new ArrayList<T>() : new ArrayList<T>(data);
-        this.mContext = context;
+        this(context, 0, data);
+    }
+
+    public BaseQuickAdapter(Context context) {
+        this(context, null);
     }
 
     public void remove(int position) {
@@ -168,6 +222,32 @@ public void add(int position, T item) {
         notifyItemInserted(position);
     }
 
+    /**
+     * After clear the adapter's data, add new collection
+     *
+     * @param collection
+     */
+    public void addAfterClear(Collection<? extends T> collection) {
+        try {
+            mData.clear();
+            mData.addAll(collection);
+            notifyDataSetChanged();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * setting up a new instance to data;
+     *
+     * @param data
+     */
+    public void setNewData(List<T> data) {
+        this.mData = data;
+        notifyDataSetChanged();
+    }
+
+
     public List getData() {
         return mData;
     }
@@ -199,7 +279,7 @@ public int getmEmptyViewCount() {
 
     @Override
     public int getItemCount() {
-        int i = mNextLoadEnable ? 1 : 0;
+        int i = isLoadMore() ? 1 : 0;
         int count = mData.size() + i + getHeaderViewsCount() + getFooterViewsCount();
         mEmptyEnable = false;
         if (count == 0) {
@@ -315,6 +395,12 @@ public View getEmptyView() {
         return mEmptyView;
     }
 
+    /**
+     * see more {@link  public void notifyDataChangedAfterLoadMore(boolean isNextLoad)}
+     *
+     * @param isNextLoad
+     */
+    @Deprecated
     public void isNextLoad(boolean isNextLoad) {
         mNextLoadEnable = isNextLoad;
         mLoadingMoreEnable = false;
@@ -322,6 +408,13 @@ public void isNextLoad(boolean isNextLoad) {
 
     }
 
+    public void notifyDataChangedAfterLoadMore(boolean isNextLoad) {
+        mNextLoadEnable = isNextLoad;
+        mLoadingMoreEnable = false;
+        notifyDataSetChanged();
+
+    }
+
 
     @Override
     public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
@@ -354,7 +447,7 @@ public void onClick(View v) {
                 }
             }
         } else if (holder instanceof FooterViewHolder) {
-            if (mNextLoadEnable && !mLoadingMoreEnable && mRequestLoadMoreListener != null) {
+            if (isLoadMore()) {
                 mLoadingMoreEnable = true;
                 mRequestLoadMoreListener.onLoadMoreRequested();
                 if (holder.itemView.getLayoutParams() instanceof StaggeredGridLayoutManager.LayoutParams) {
@@ -374,6 +467,10 @@ public void onClick(View v) {
         }
     }
 
+    private boolean isLoadMore() {
+        return mNextLoadEnable && pageSize != -1 && !mLoadingMoreEnable && mRequestLoadMoreListener != null && mData.size() >= pageSize;
+    }
+
     protected View getItemView(int layoutResId, ViewGroup parent) {
         return LayoutInflater.from(parent.getContext()).inflate(
                 layoutResId, parent, false);